c9dec5da8c
9bdd1596c Update version d151562bd Fix punctuation in changelog 346500e70 Fix gcc version check a434a8f77 Update changelog 9eb47d951 Fix markup 51c58a56b Bump version 3fc33f627 Update changelog 2e32db5b9 Update changelog c1ce6e01f Update changelog 1c3c80dc1 Update changelog d1d653d89 Implement the L specifier 73c843748 Follow naming conventions e588b02b1 Fix posix-mock-test 1a62711d0 Reduce binary size 5b0288158 Merge branch 'master' of github.com:fmtlib/fmt a133187a8 Update changelog 80ce222ca Fix wide print overload (#1609) 770a94ede Use FMT_THROW macro where applicable 2864e8432 Update readme and add compatibility option 21a295c27 Undo comment change 96c68afe6 Fix -Wsign-conversion warnings 664dd88e3 Enable FMT_STRING() use with types other than string literals 69779b4ed Fix handling of small precision in general format 01a172c96 Add .vs to .gitignore 08ca40ea9 Detect /utf-8 in MSVC dd97f4920 Improve exception safety in dynamic_format_arg_store 295116948 Move FMT_USE_FLOAT and friends to fmt/format.h d3e668418 Allow disabling floating point support (#1590) 52d0e1bbe Don't use properties when setting FMT_LIB_NAME 5d32ccfc3 Add back missing OUTPUT_NAME in target properties. (#1598) 3cf619de5 Simplify dynamic_format_arg_store 2559983e7 Color formatting fixed for wide strings (fixes issue #1594) (#1596) 026f99178 Simplify dynamic store 9f70fc3e7 Minor tweaks for dynamic_format_arg_store 6012dc9ab Dynamic arguments storage. Implementation of enhancement from issue #1170. (#1584) 85050aa2e Ability to join elements of std::initializer_list was added ff486a72a Allow leading zeros in precision (#1579) 678341275 Deprecate fmt::char8_t 6f01b6ebb Fix a typo in CMake config: STRINGS -> STRING 61c5a5160 Fix handling of empty tuples (#1588) 02bfd8a9a Add FMT_HAS_CPP14_ATTRIBUTE / FMT_HAS_CPP17_ATTRIBUTE to test for language-specific attributes. 3c24052cf Workaround 'cannot call member function without object' error on gcc 4.9 f72a905eb Fix handling of volatile enums 941d5e147 Workaround broken fallthrough attribute in the PGI compiler (#1583) ee2b828b9 Tweak a comment 5bb885665 Workaround for broken [[deprecated]] in PGI compiler (#1581) 1c0c59d4a Fix empty debug postfix b1adaa988 Remove gcc 4.4 workaround 48e8d0ebe set_doc -> set_verbose ce0097915 Cleanup CMake config db4a6cfbf is_static_compiled_format -> is_compiled_format 29a1ea795 Fix clang -Wdisabled-macro-expansion warning from FMT_STRING_IMPL. 8a06ca84c Fix ambiguous overloads of format & format_to 153f753bd Deprecate undocumented _u suffix eafd07986 Improve width computation 0c6919ec7 Make FMT_DEBUG_POSTFIX a cache variable (#1566) 197a5c372 Apply clang-format 68742e1d8 Fix clang -Wsign-conversion warning in grisu_count_digits. (#1573) 1e8493196 Make compile-time checks in format_to handle references 58e6c84f5 Fix simple -Wsign-conversion cases. (#1571) 75a4525e5 Move FMT_CLANG_VERSION definition to core.h (#1568) 6ccb2e241 Add FMT_NORETURN to assert_fail prototype. (#1569) bed134a4a Tentative fix for default template param in friend error b2d3a86ec Make FMT_ASSERT work in constexpr on clang 4.0.1 13d82e32b Don't use internal GTest API 2161a73f2 Fix FMT_FORMAT_AS const specifier position (#1554) e00997b00 improved use of find (#1560) 0415cf235 add const begin and end overload to buffer (#1553) 3bafd0749 Fix to_string docs f733882b5 Remove misleading FMT_USE_WINDOWS_H dc22360c3 Workaround broken UDL templates in GCC < 6.4 1f1b50707 Make formatter override implicit conversion to a C string 24924128e Fix a link error in gcc8 (#1548) c54cd7180 only modify CMAKE_RUNTIME_OUTPUT_DIRECTORY if it is not already set 43e9b29e5 Only use compiler features if available b55ea5870 string_view::char_type -> value_type (#1539) 4098970db Update README.rst 314e15001 Fix symbol visibility on Linux when compiling with -fvisibility=hidden (#1535) f499b393d Apply coding conventions 6c30f4144 Configure fmt.pc library name correctly. 1acb73f97 Fix formatting std::chrono::duration types to wide strings (#1533) 09a13244c Disallow passing non-string-literals to FMT_STRING 419db8baa Fix length computation of constexpr C strings 9fc4161f5 fix interal compiler error when building with mingw 25d6916b3 Fix so can work without locale defined 0b2eb6501 Add locale example fd1cabe46 Workaround a bogus MSVC warning a844d7ab8 Add namespaces 47d396809 Add more examples 7800173eb Update fill docs b4218aa0f Test invalid fill 8a3a8177d Bump version e5f2f8ce7 Add variable-width fill support (#1109) 75765bfad Avoid unnecessary unsigned overflows (#1515) 9bd9738da Remove static and simplify names bd5f903f2 Add a locale example 06e437fd9 Move docs to the proper place 1bd4f54fa update format 11cc2903e re-fix url link b124e3e8e fix url link ffd5f3469 Correct display format 0f0e5ddf5 Add vcpkg installation instructions 1f110702a Remove redundant braces 4ccbe4b5f Avoid namespace clash for fmt 40638a75b Use C++11 compatible std::is_same operations c8dd9cc99 Use type_identity to block unnecessary template argument deduction (thanks Tim Song) 4bbe57ceb Work-around for nvcc 55b613005 Use C++11-compatible operations ae3ea156e Fix for older versions of intel compiler 77165fdf8 Use FMT_NOEXCEPT instead of noexcept directly 65ac626c5 Improve join docs cd0b3f969 check if _SECURE_SCL is defined not equal to 0 cef1e4354 Optimize grisu_gen_digits 0201c8db2 Restructure float_format 9e3f3e8cf Fix handling of output iterators in format_to_n (#1506) aa07c5765 Move vprint_mojibake to the internal namespace a73d89e9c Catch invalid uses of fmt::arg cb8e7caf7 Convert 'char8_t' character sequences to 'char' sequences b3fd0005d Suppress a bogus -Wdouble-promotion warning 7b478f9de Simplify example c85efef31 More showpoint fixes and tests (#1498) 455a7c078 Clarify lifetime of basic_format_args 674c326d7 Update syntax.rst 061a9897f Update syntax.rst d2d1c9c56 warning C4267: 'argument': conversion from 'size_t' to 'DWORD', possible loss of data b6e19e595 Update apidoc f219dcd59 Add fmt::bytes dea7fde8b Deprecate u8string_view 5390e29d4 Enable mojibake 9f6434dcd Improve UTF-8 handling on Windows dac9a7f99 Improve UTF-8 handling on Windows 3ca9533f3 Flatten forward 7eec036d9 Improve UTF-8 support e6b37b4af Handle block boundaries in utf8_to_utf16 8cf4c5206 Apply clang-format 74532c23a Make type a scoped enum b308159be Make round_direction a scoped enum 162995fed Add os.h to docs 8b41362a0 Add trailing decimal point if # is specified (#1476) 1b1c70108 trailing_zeros -> showpoint d7e72a09e Simplify FMT_STRING_IMPL 2201890d7 Apply clang-format and update inclusion guards 6100ed4bb Eliminate NVCC NVidia compiler emits unreachable code warnings 1afe201ae Handle block boundaries in utf8_to_utf16 cd2b99032 Chore(readme): use https (#1481) 9acf89fef Mitigate MSVC issue with min/max macros (#1480) 9ea42fb26 Rename posix-test to os-test da2569827 posix.cc -> os.cc 35959a31d Move OS-specific APIs to a separate header ec2463c90 Implement utf8_to_utf16 using utf8_decode 0012917f6 Add a UTF-8 decoder 9e450911f Give an error on precision overflow 068d20bc3 Avoid shadowing warnings in FMT_STRING a99fbe67b Apply a typo fix retroactively adbed11ed Fix a typo 8ab1c5c6e Squelch MSVC warning exporting subclasses of runtime_error (fix for PR #1433) (#1470) a770009fc Improve error reporting 598e6042d warning C4468: 'fallthrough': attribute must be followed by a case label or a default label e09814dc9 Merge branch 'master' of github.com:fmtlib/fmt b272fb360 Extend FMT_FALLTHROUGH compatibily to gcc and clang pre-C++17 (#1469) f94b7364b Update version 7abec071b Update changelog b7eb8c892 Prepare for the next release ae7c50185 Reintroduce sprintf_format for ABI compatibility 9f2e7edae Fix handling of types convertible to std::string_view fd52de0c6 Add FMT_CUDA_TEST CMake option to enable cuda-test f675cb887 Remove redundant cast 73a16b827 Fix handling of int128_t in format-impl-test (#1461) 72879db40 Clean-up sign-conversion warnings in public headers d3aa0c3a2 Clean-up sign-conversion warnings in test code 31de9a1b8 Revert "Clean-up sign-conversion warnings in test code" 227bfe62d Clean-up sign-conversion warnings in test code 95dfdc6cc Update README.rst 5916ff63c Update README.rst 1ab80aa92 Fix handling of types with custom formatters that are convertible to std::string_view 4f4d87661 Remove '%' from the docs f443bd3ba Ditch decimal_formatter (#1363) 1219b65f2 Relax fallthrough attribute detection 071794ec6 Update version d22e4ad85 Remove trailing comma 983806b0c Update changelog 02af5beb8 Bump version and update changelog 123e7f7fc Revert #1433 because of build failures (#1450) 168460f02 Remove TYPES a64f60c84 Remove unneeded FMT_API. 1a599117d Export assert_fail with FMT_API. This fixes dll build. b160123e3 Update ChangeLog.rst 598158856 Fix compilation with MinGW 8bbe76af3 Add a missing decimal point in exponent notation with trailing zeros 4ca6821e8 Update version 7111a1eb9 Bump version ae00bbdc9 Update changelog e71e07d9f Update changlog 0184df702 Update docs 1cbae6e9b Put vprint declarations in one place 159f89e2b Fixing installation directory of '*.dll' files on Windows 4b120b68a Clean up includes 186b225d9 Update changlog 4cbf4888e Update changelog e31f2b3d0 Update changelog 62da1db62 Avoid wchar_t instantiations 3bc28fcc6 Squelch MSVC warning exporting subclasses of runtime_error 3c05fa46c Update changelog ba6e330fd digits -> num_bits 6037b3cae Fix dangling else problem in FMT_ASSERT fafb03fa6 Fix handling of fallback_uintptr 2f9acd183 Remove dependency on <cassert> aaf829bfb Fix fallback pointer formatting on big endian, take 2 b994a0ab1 Fix handling of missing fraction in snprintf_float bb205d940 Fix fallback pointer formatting on big endian ef7369ce9 Update docs 40e4c227d Update changelog ea54b21e7 Remove invalid noexcept annotation 9cbf4b087 Fix -Wconversion warnings 1200a34e1 Update changelog 9c7e2a6c6 Add missing newline 34e921f6f Update docs c3be0f593 Refactor floating-point formatting c68703c9f float_spec -> float_specs 9a21728b0 Remove gen_digits_params 3de36e934 Enable -Wswitch-enum in CI 4afb39bc2 Update README.rst 7ffa62db1 Fix precision handling in snprintf_float 0d07db123 Fix handling of streamable and convertible to string types d19ed6716 Fix hexfloat buffer reallocation 99b6e928d Fix handling of types with deleted rvalue conversion to string (#1421) 57cd3f72e Update comment 111fc127f Remove fp::operator- 6003ec3f2 Simplify Grisu implementation 8877a6772 Instantiate snprintf_float 75fff1db6 Minor cleanup 28d7191c2 Don't print trailing zero with fixed, precision=0, and showpoint (#1417) 43271ba8e Handle null terminator at the end of the buffer 63a9f3fcd fix bad oss fuzz link in the oss-fuzz badge 4cf59ce73 Integrate Grisu and sprintf digit generators 7395472dd Refactor floating-point formatting 9108b25da Merge branch 'float' 4d366c68b Merge branch 'master' of github.com:fmtlib/fmt ded1e7679 Refactor floating point formatting c7edd8e57 Cleanup FP formatting 75108a56f Don't print % for nan and inf 3e1f70fe0 Merge write_fp into write 125fc5e52 Update comment 6793ffc1d Update README.rst f4fcc5fd2 Update README.rst 4de41aa65 Move basic_writer::write_fp to where it belongs 404a880bd Make parse_arg_id more readable 092d2dc7b Merge safe-duration-cast.h into chrono.h 093e55421 Remove redundant qualification d0696b0aa warning C4456: declaration of 'num_digits' hides previous local declaration 66d7746bb Use grisu for exponent notation e9bff7881 Don't parse % unless FMT_DEPRECATED_PERCENT is set 57b6f2966 Deprecate the fmt macro d79493e5e Remove Grisu2 78842ce0d test: add default constructor for a const value 5420bcce2 Make % an opt-in to improve compatibility with std::format 56a2e2075 Refactor float spec parsing ed117baa4 Replace bool with float_format and add exponential f26446290 Move float_spec_handler to internal namespace and update asserts 7e1cb3237 Fix indentation f67783d7e Clarify that numeric alignment is deprecated 1c6d85f7b Apply coding conventions to examples 4a1da44f9 Apply coding conventions to examples 080b6899d Tweak the docs c01ec54fd Document and clean basic_format_parse_context b0c2ab93f Bump version 9b7fe2a4a Don't use POSIX API on UWP c58b7d9c2 Use overridden locale in ostream ceff9b0b2 Tweak the docs 3dc8639f8 [docs] Added conda dcde089b4 Improve POSIX API detection 2145a7bdc Move has_formatter into the public fmt namespace. (#1407) 52ae134f8 Remove broken CI config 0d6dd0cc6 Correct basic_string_view from string ctor 1f918159e [clang-tidy] Replace deprecated C headers 6868f888b [clang-tidy] Add missing override 87cd545a1 [clang-tidy] Replace {} with = default 12f9437e2 [clang-tidy] Use auto bb0c8bfea [clang-tidy] Add noexcept where move is used e6e829890 [clang-tidy] Add parentheses to macro arguments 0f0848e4f [clang-tidy] Use braced init list a1fb5c733 [clang-tidy] Changes suffixes to uppercase 8a411c2bc [clang-tidy] Turn deleted function to public 0047dc10a Mark apidoc as rst 263cdef8a Merge branch 'master' of github.com:fmtlib/fmt d4ca54253 Update docs 5bb7b28e1 Document members 1409dfe76 Try fix CI f1559e1d5 Use grouping() from locale for specifier 'n' ffd05e65e basic_parse_context -> basic_format_parse_context per standard and document 0889856d6 Fix UTF-8 truncation d6eede9e0 Remove redundant ctor 213e09644 Workaround X11 madness (#1388) 6bfc9af8c Add double support to compile 3487f1b9c Always inline grisu_gen_digits and disable grisu2 by default 791294d17 Apply get_cached_power optimization by jk-jeon 8e700619b Simplify format_handler 58c6f8c7f Make unsigned-integer-overflow sanitizer happy (#1377) 40414b344 Don't emit trailing zeros in exponential notation (#1376) b7a157401 Simplify grisu_writer 7aa58c30b Simplify NVCC checks 8e9bffa98 clang-format ce4d87acd Remove obsolete comment and clang-format 21acc2af4 Fix more Visual Studio 2019 pedantic warnings (#1371) 00669427d Patch compiler error when building using nvcc d39ebf3ff Optimize counting 6498bc6d3 Simplify grisu_writer a967dcbe2 Improve handling of signs 8498bc97d Initialize all the things e2ea94067 Handle assymetric boundaries 2bc5585ff Fix computing lower boundaries for smallest normalized double bb728a572 packed_arg_bitsize -> packed_arg_bits and remove packed_arg_mask 36d1390e6 Implement round half to even 599e0aef4 Support single precision floats in grisu formatting 91f7619cc Fix Visual Studio 2019 pedantic warning C4334: '<<': result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?) c4dc6bef2 Apply clang-format 646966e97 Reduce bigint capacity a5abe5d95 Handle negative exponent and nonnegative power 1cbc5fa6c Handle negative exponent and rename value/pow10 to numerator/denominator f7a5748fd Partially implement (FPP)^2 0e94b931a Fix a linkage error introduced by #1360 (#1362) 5e58eb97b Implement add_compare 3a15ea3ea Rename write_double to write_fp b87ac4d84 Distinguish float from double a927dda9b Use words for packed constants dd11d4584 Encode types using 5 bits b55551f90 Implement more comparison operators 96f91428c Add defaulted copy and move operations to format_error and system_error (#1347) b732f28c0 Deduplicate color vformat and vprint a82c1dc6d use memory_buffer to make color print behave atomic #1348 (#1351) 2730e9018 Fix compile error in printf with gcc9 (#1354) e4d6d9d7c Implement divmod a1079e9fd Fix undefined in format-test (#1349) b66bb6b71 Fix undefined in core-test and printf-test (#1345) b60114533 Implement more bigint operations c41cea8b1 Initial implementation of square 0c7650373 Fix handling of types convertible to std::string_view 057101370 Repoint one more Python 2 link to Python 3 d2c9276fc let README point to python 3 instead of 2 0fc7bd157 Fix ambiguity for types with dodgy conversions b4f1988c4 Provide overload for `fmt::join` that handles `std::tuple`s 4b8f8fac9 Update README.rst 3b2fc033d Making CUDA test work with CMAKE_MSVC_RUNTIME_LIBRARY ac59d9f3a workaround VS2019 Update 3 compiler bug. (#1328) 8f27ce4d8 add test for multiple compilation types 89b0c71fa fix name clash in header-only mode f6a783ad2 fix `get` ccc8f5db0 Disable integral operator<< (#1316) 20fdb88a1 Remove redundant and nonportable test (#1313) f29901097 Don't use const char* overload of operator<< (#1309) 758446c80 Fix a warning (#1319) and simplify code f7aedc5fc Fix shared build on Solaris 840a817ed add oss fuzz badge 79c923ba2 fmt.pc.in: Fix for cross compilation 5dc577c06 Update ChangeLog.rst c6d1a94a9 Fix fallback_format (#1306) 0656045d0 Fix format overload that takes text_style (#1305) c85ae23c7 Add max_value b3bf66576 Implement multiplication and part of assignment from pow of 10 0887887e2 Implement left shift ac71d853b Refactor normalize and clean up 6649b8e0c value -> bigit 56b5c192a Add a bigint stub and reenable grisu b2f0b6e44 Tweak comment 3d9f3c163 Integrate new format string compilation 19547d514 Update index.rst 972ffd315 Update README.rst 2ed412fa3 Update README.rst df4dcf2ec Fixed vs 2015 warning about unused variable when grisu is off f7a4b4ab9 Make numeric alignment optional 611cf0b3c Format octal 0 as 0 58a8f2f53 Add ccache to the list of projects 1882b9687 Reduce the numer of ifdefs with an empty (u)int128_t fallback 6de0454b4 Add support for built-in __int128 when available 16e3c48bb Move definition of FMT_USE_INT128 to core.h 8ce5f680f Rename internal::is_integral and internal::is_arithmetic 2fd8f9ec8 Initial implementation of optimal compile-time formatter generation fe642d764 Clarify use of the core API in header-only mode (#1296) a128b5b2c Simplify format string compilation 466128de0 Remove unused code and refactor 22e98a5b6 Make compile work with user-defined types f18a3f36a Remove string_view_metadata 7cad33563 Refactor format string compilation e1ab6bc00 Simplify format string compilation 24a88545d Add -Werror to tests 422e7b9d7 Fix compile-time checks for user-defined types (#1292) d1dd9d532 Document floating-point n specifier (#1291) 9a56a608e Fix warnings (#1288) c76957565 FixedEnum -> StrongEnum and make it a regression test 200ee6f10 Fix minor clang-tidy warnings bcd9b9331 Map not int enum to correct underlying_type (#1286) 345ba07f1 Add a CUDA test 9e2490be4 Rename precision parameter 3f75e2b69 Make buffer_range public and update custom formatting docs (#1281) 744302add Workaround broken [[deprecated]] in Intel compiler (#1273) f5556225a Eliminate shadow variable warning ad3c7855e Fix typos. 7512a55aa Update version 9bd2f1f9a Temporarily disable Grisu b9815cf04 Simplify part_counter fe00cddde Move part counter to the namespace scope 1a7d172dc which_value -> kind 006c2546f Get rid of basic_prepared_format 4ce006fb6 Simplify format string compilation e2e557e27 Remove preparator a5f470eb1 Test and fix compiled format_to_n and formatted_size 4070c1d80 PrepareTest -> CompileTest f8b59251c Remove unused preparator 643aa4c8c Simplify format string compilation ffe29a92f Get rid of internal::compile e94d72366 Fix compiled format string version of format_to_n a9337395a Remove unused variable 562a9f499 Remove parts_container_concept_check b257c56e5 Fix size types 1488df339 Bump version b918e3ff8 Fix docopt usage 23b04ca6d Update usage instructions 5d5918a74 Update usage instructions 413d97b33 Fix formatting in changelog 790fd90f4 Update changelog c0890be77 Update changelog 5a4b24613 Update the default floating-point format docs (#1270) 45dc3486f Update license 5a353fa8c Draft license c84d227da Update changelog b2d4ca154 Workaround an issue with std::filesystem::path being an infinitely deep range (#1268) 2aae6b120 Fix doc for importing header only target with CMake 9f09b8eed Fix a warning 2bb8120d9 Fix a warning c1e97392b Fix warnings 4e99e09bb Fix warnings 1607a0187 Suppress a warning e8219952c Restrict fmt::compile to literal strings 544b53733 Update changelog 83c13a1fe Update changelog 2546dafec Update changelog 02c04b173 Update changelog 5360ab0b5 Fix iteration over named arguments (#1168) b615eca96 Update changelog 22a42c0b0 Cleanup compile implementation c63624ed4 Update changelog 211d31240 Don't terminate on I/O errors in report_error ef55e74e0 Update changelog 612669d34 Update changelog ba63ac8c1 Make format_to a non-member 3fe49163b Revert "Make format_to a non-member" a5bd3ddb2 Make format_to a non-member 3df0ea34e Remove unnecessary overloads 436acf348 Make formatted_size & format_to_n non-members 823128049 Make format a non-member 1dfa2591b Make operator _a constexpr 6f2dd30e3 Simplify udl_formatter return type 431d0f85c Use basic_string_view in non-template UDL ad71f5a70 Use forwarding references in UDL template d0f2f3b81 Update usage.rst eac2796ce Fix locale detection ee3625746 Internalize format_part bbf0bada3 Simplify compile 3730b4f03 Cleanup compile implementation 25ff2efc0 Update changelog 9393fe26f prepare -> compile b48ffc14a Update changelog 3268531bc Workaround a broken C locale on Windows 8bd59ec93 Use fputws for outputting wide strings 1235f0a24 Fix typo in usage.rst 4fb73d114 Update README.rst f9ceefb0f Fix a warning and is_negative usage 6bcc3fd21 Fix warnings 6a497e1d0 Fix warnings e9b9b0aef clang-format ec24342b2 Fix more warnings 230b24944 Fix sign conversion warnings cadd92d69 Fix #1232. 41076d1de Use `FMT_THROW` in fmt/color.h. d561cb47a Opt-in macro to enforce use of compile-time format strings 699fe8e71 Remove const qualification in compile-time checks da2d33f1f Update changelog af4734fd1 Fix warnings a3a74672a Update signatures c11e68305 Update signatures dd8cc8b0b Disallow passing views as lvalues f6f0415b8 typedef -> using c92dc3746 typedef -> using e3f20d3e1 Remove gcc 4.4 workaround and use proper alias templates (#940) b43881232 Clean up is_output_iterator bc15e3700 typedef -> using cf5ebf205 Cleanup 9c20e72de Cleanup 79209598f core_format_specs -> sprintf_specs 5488d0b53 spec -> specs e4f84ee1c Refactor format_specs for #1109 and #940 8e0dcd20b Remove old deprecated functions 1d3e3d8c0 Make the 'n' format specifier work with grisu disabled bc628f8d4 Fix EXPECT_DEBUG_DEATH_IF_SUPPORTED (#1214) edd13fcc1 Fix small number rounding with fixed precision in grisu 6a031347e Remove unnecessary qualification bc14c6ee2 Use the decimal point from locale 476f25cd8 Remove ancient gcc workaround c9d5a08ed Add the 'n' float format specifier f487ddbdf thousands_sep -> add_thousands_sep d8fd1699b Make data names follow naming conventions c286ffc88 int_traits -> uint32_or_64_t 1289782f0 Get rid of add_thousands_sep 2249f5571 Simplify thousands separator handling and cleanup e76446958 Cleanup and remove deprecated visit de37de912 Remove deprecated color API df1a3a141 Remove null_terminating_iterator 78dec87a4 typedef -> using ded0a3bb3 Internalize undocumented basic_writer 83174f2a1 Refactor ranges c2e84ee9c Fix FormatTest.StrError on Solaris 2711cb167 Apply clang format and other minor formatting tweaks ab0ba8a9d Don't emit decimal point if there are no trailing digits (#1210) bd3fd3bfd clang-format 260c11590 Fix formatting of 0.0 with (#1210) 9d97201ed add oss-fuzz support 037b84f21 Fix warnings e37ee419c Export exceptions destructors e3488fcae Fix Warning d5d586561 Move strtod_l check to CMake since it's very system-specific 29ef7d31e Fix a warning af83192d7 Fix warnings 6952732b6 Remove misplaced checks b97e5d8c2 Remove deprecated fmt/time.h 572b077db Fix warnings 72e519a4b Add formatter<std::string_view> 635e01fe7 Update <format> to the current wording 0e72c9804 Make undocumented output_range internal f13906f40 back_insert_range<internal::buffer> -> buffer_range 22ddd4b98 Simplify feature checks bb827341e Add FMT_FUNC where necessary 64c54703d Cleanup 1c3197b8d Fix warnings fd2292f13 Cleanup checked iterators 4912cff65 Fix handling of mapped types in compile checks (#1200) 463984383 Cleanup e29708ee5 uintptr -> fallback_uintptr to avoid confusion with uintptr_t f03a6c532 Cleanup 6c3d584e6 Simplify warning suppression 12f468388 Make iterator_t an alias template 874d6727e Remove workarounds for pre-C++11 compilers a9940192f Fix warnings 34b541835 Fix warnings cbbee1b38 Fix handling of hexfloat 92a44db11 Fix warnings d05d42751 Remove old msvc workaround from arg_formatter_base and fix warning d32fe0f3f Fix hadling of nullptr e5422db4b Fix handling of uintptr_t 9d7b64a25 More cleanup 5e293bd97 Remove unnecessary qualification 4a502d980 Add remove_reference_t d384cdd39 Make is_contiguous_back_insert_iterator internal 32544b610 More cleanup 39f522a13 get_types -> encode_types d7d2bebf9 Remove redundant typename 9427f15be Fixed issue with formatting to an array of chars 87fbc6f75 get_type -> mapped_type_constant a48daa60e Remove remove_volatile afdbbac75 Cleanup e33fe14f5 Simplify visit e895da2ec Clean up value e1a67b528 Remove TODO a291f07e1 Clean up argument mapping 5d9100fa2 Move char8_t to fmt/core.h 4faadff0a Add preliminary user-defined type support 5d4873359 Clean up value construction 0f0b42861 Cleanup 209db68b2 Get rid of FMT_CONSTEXPR11 cb4c59495 Deprecate convert_to_int 40779749a is_formattable -> has_formatter b3cf8613b Make formatter specializations override implicit conversions 3fdba0492 Reduce the number of nontrivial formatter instantiations f5f3ffac5 Merge string make_value overloads a38b99a18 Fix a regression in named argument handling introduced by prepare aa31028b2 char_t_impl -> char_t 0787d6974 Simplify SFINAE bae00aa8d Simplify is_string 388bb389e integral_constant -> bool_constant 7e39c7e6f Put stringy stuff together 3eff8f94d Update docs 469a4bbd3 Use enable_if_t d2ee5f240 Merge tests c264e641e Add conditional_t for pre-C++14 4aa0dc578 Fix docs 064ce6b6c Specialize is_char for character types 7893d8539 Clarify why we cannot have nice things 5bafcb437 Add comments about things broken in MSVC 153024255 Fix signature in the docs eddb84cfc Fix formatting of exotic characters 7e42c65bb Document a more useful to_string_view overload 1e6e87cb7 Update docs 0c6a6e025 Get rid of the FILE* hack and reword apidocs 1653244c6 Fix compilation issue on VS2019 (#1186) (#1191) d54e64b3c Make buffer_context an alias template ec6651087 Remove old is_constructible workarounds and replace typedefs with using 4d4b8c238 FMT_CHAR -> char_t 56d2b9110 Install git 89d6c959b Fix cmake link 76ef39fc5 Update vagrant config af2c73772 Implement parsing of string_views 9df0e2d1f Implement string parsing 5b7bbf885 Revert "FMT_CHAR -> char_t" 4c650057a FMT_CHAR -> char_t 2833c76f2 Move char_t to template param to reduce symbol size 67feef558 Make enable_if_t more std-like and move to fmt namespace 78daa50ff Fix handling of chrono durations with minimal signed rep 87e4ea290 Fix a warning c56b17029 Add msvc2019 to CI c929684e3 inlines count_code_points(basic_string_view<char8_t) f57227a14 FMT_ENABLE_IF -> enable_if_t 634f707f2 Simplify char_t and remove msvc2013 from CI 406e632bd result_of -> invoke_result_t 49f78a427 Demacrify 637bf3c6d Workaround a bug in clang-format 8302c2f33 fmt::internal::declval -> std::declval d07cc2026 FMT_EXPLICIT -> explicit, FMT_NULL -> nullptr 4a7966c77 Drop gcc 4.4 from CI 9b3c24b99 One weird trick to simplify docs; doxygen hates it 30bce6c14 Fix a few chrono formatting corner cases (#1178) e5512c5d5 Use static_assert instead of SFINAE in arg(...) afc571aed Document join and relax its compiler requirements ad360a62b add gcc 8 c++17 release build 3cf12d7b1 add gcc 8 c++17 build bb254d146 Disable std-format-test by default 291ba837f Remove wrong compile-time checks from printf (#1173) 01c631af9 Implement unsigned and long long parsing 4fcd4a4bd Reuse parse_format_string in scan 2346779d6 More documentation fixes afc1a74a6 Minor documentation fixes ad0eade47 Remove MSVC nonsense 28c187bcd Capitalize titles 91bb3aaf0 fmtlib.net -> fmt.dev 5e7bdf1b9 Clean up vagrant config 570453f27 Add a vagrant config for testing gcc 4.4 ef6282fc4 Fix gcc 4.4 build e3e470bb6 Remove deprecated format_decimal 67179dbc2 Remove deprecated format_decimal a5ffa735d Fix gcc 4.4 build 5ee080463 Experiment with scan API 25b72fc4c Move <format> to tests not to confuse users d179ec5f8 Simplify Grisu 2a9e8b52d Fix advance_to() and begin() using iterator (#1159) 2c77562b1 Fix ambiguous formatter specialization in fmt/ranges.h (#1123) 98b377529 Add support for exotic string_view iterators (#1156) b488df6cf Fix Grisu3 stopping conditions f4dfd6e30 Suppress all clang-target-msvc test warning in CMake and other misc fixes (#1151) a6e8ed15c Disable UDL templates on GCC 9 by default (#1148) de5da5091 Fix formatting of extreme durations (#1154) ea2976e6d Move internal::uintptr_t test to format-impl-test (#1152) 77d6036cd Fix unexpected trailing decimal point (#1153) ccc318e80 Update README.rst 4c8efd694 Update README.rst d22d11b5f Update README.rst e9bab6d02 Improve handling of large durations f52c09f92 Fix format_to_n docs in 5.1.0 118d8bccc Fix compilation error under MSVC 19.21 (#1140) 6828d549e Add FMT_ENABLE_IF_T 3fd134be0 Move test_count_digits to format-impl-test and disable gtest warnings (#1147) ca7c1f89d Fixed a compile error under MSVC. ca978b3d2 Fix handling of nan durations c1d430e61 Improve handling of negative durations 38a85502e Use the same rep type for seconds to prevent overflow 241414028 Eliminate shadowed variable warnings from gcc-7.2 29c10fbf6 Fix DLL visibility of explicit instantiation "declaration" of internal::basic_data<void> in header format.h and the explicit instantiation "definition" in format.cc (#1134) 4a4d72f91 Fix handling of invalid string in chrono formatting b3cc9c056 Merge remote-tracking branch 'upstream/master' into invalidcolons 2e3352fd0 provoke assertion 4c721e3a2 Fix chrono formatting with invalid argument id (#1132) 8d8ea21c6 Partially implement Grisu3 40a797564 Remove trailing zeros cb46397df Fix typo 134904c88 Re-enabled constexpr tests bd516e342 Convert negative precision to zero in printf (#1127) 5efb24dd2 Add specialization test 946498cfb Fix handling of zero precision 6b2086391 fmt::ptr: support unique_ptr and shared_ptr. d306585a3 Don't inject internal names into std (#1120) 544b92793 Don't detect C compiler dc94010fa Remove char_traits (#1117) 397e8dd9d clang-format 2b415b7af Restructure printf_arg_formatter to make it customizable 5d755d0a4 Fix handling of volatile char (#1115) bade46aae Optimize grisu using uint128_t 41fbaeb3b Add <format> test 8bc0adb9b Get rid of obsolete cmake stuff 1763d0e7a Add MongoDB to "Projects using this library" f569c1ba2 doc fix: time -> chrono ccd70f59e Workaround bogus unreachable warnings in MSVC a4969ebe0 Link to fmt(...) docs from index a6ad29aa3 Update <format> 52eb3fe27 Update <format> 09e2ac5e4 Update <format> df4ea0c76 Update <format> 718f60acc Fix shadowing warning (#1105) and clang format aeb5ad3ce Enable [[noreturn]] some. 280839548 basic_buffer -> buffer 6e37c2003 Use compile features cxx_auto_type cxx_variadic_templates instead of cxx_std_11 3de3d76a3 Add compile features for cmake 3.8+ 07d5a86a7 Fix warnings ab1474ef6 Workaround segfault in doxygen and apply clang-format 918ab77ba Try fixing doc build 735b1fadc Only update key on Linux 3c531b735 Fix expired key error when installing with apt f10a7e2e4 Test exotic pointer formatting bd8177177 Add support for platforms without uintptr_t 0302927f5 Optimize pointer formatting bb6842ba3 Simplify to_string b23c8633f Detect presence of uintptr_t b588d7f35 Fix a couple of deprecated things. 018d8b57f Remove broken snprintf 1987db663 clang-format a6d1ad741 handle fwrite results #1098 e979c782d Extend basic_writer with write() method for doubles with optional format_specs argument 9e1531c1e install pkg-config file into libdir 0a66e4cbb Update README.rst 91acfe685 Fix UBSAN warning b7e6bf967 clang format da0ea4161 Make compile-time checks work with fallback formatter (#1088) 7ad3015f5 Added missing typename to FMT_STRING. (#1089) f0b572da0 Update wording test 6d416cf67 Forward declare is_string<FILE*> specializations b742f622a Create PR template to help agree to the licensing terms (#1083) 02a6f16b5 Update LICENSE.rst 294fd7df9 Remove isinf workaround 17c6900f8 Update docs 0faa968cc Make floating-point formatting locale-independent bc784d362 Remove isnan workaround 53379dfd0 Don't set CMAKE_BUILD_TYPE if fmt is a subproject (#1081) 76d326a2a Enable grisu for general format c21c6b8c4 Move enable_if to template params ec645ca26 Update readme and doxygen config ae0b0dab9 Remove obsolete TODO 5466a5b41 Document inherited members 9b392a683 Update readme 0fa65cf32 Add example fdd0149e7 Update readme e19a95b27 Update readme ef3927497 Update readme a7f68dcc0 Update readme 1428b3429 Update readme 97619e27a More fixed precision tests dd6cc0e6a Merge time-test into chrono-test a939c7595 Merge fmt/time.h into fmt/chrono.h 17e4b5392 Make chrono formatting work without exceptions (#1062) a82b3680d More tests and fixed precision fixes 287342dab cmake: default FMT_PKGCONFIG_DIR to a relative path e28429ee7 Prevent overflow with zero precision 49bbf3c87 Simplify shadowing warning fix 5e5506f83 Update readme e06523361 Visual Studio 2017: warning C4456: declaration of 'result' hides previous local declaration ebec00138 Reword licensing part 8daa3c683 Clarify contribution licensing 0d418a8d5 Update and rename CONTRIBUTING.rst to CONTRIBUTING.md 4c66dad8c Refactor digit generation b1f7cca89 stop -> handler and swap args f90d33ca1 error_ulp -> error 78c755dc4 Update readme f23017015 Update readme ced8aa8c9 Update readme 77d54251f Update benchmark results 1632f72cb Test get_round_direction 8129b9bc4 Test that the library can be compiled witout locales 835087dd0 Add color-test 4523053e6 Fix typos. 8407f4cb2 Round close to zero fixed precision 49d244c06 Don't emit more than precision digits (#1072) 3466d9c84 Don't override fixed formatting depending on exponent (#1072) 93d22dec3 Implement rounding up and clean up FP formatting d560ddac2 Temporarily disable Grisu for fixed formatting 2d981bb13 Add documentation for '%' format type. (#1071) d8434baa0 Declare the size of RESET_COLOR. 8f7780a4f Correct comment 2e526a664 Fix handling of output iterator in ranges 79b79f329 Add support for '%' type to output floating point values as a percentage. 287eaab3b Increment output iterator in basic_writer::write for character types (#1056) a97757736 Use grisu for fixed precision 327d4b6e9 Fixes for some pedantic warnings (#1054) 8af651be3 Implement fixed precision 187bd1b8b Clarify lifetimes of named_arg parameters (#1051) 4e5694fd0 Update arg signature 82c24edcf Workaround a bogus Qt Creator warning ed138d794 test: assert-test: fix typo in else-branch of EXPECT_DEBUG_DEATH_IF_SUPPORTED 0476a51cb Add Sublime syntax (#1037) c5aad69f2 Restore deprecated begin() 5b0006476 Make stopping condition configurable in grisu a44238f2e Improve grisu 83808076e Minor cleanup 9660ea1bf Simplify format string checks 4a9d67636 Gradle 4.10 >> Gradle 5.2 f041f128f Minor cleanup e4572e5de Update std implementation 442fa1bd4 Decouple format and parse contexts 744e66bb0 Deprecate format_context::parse_context() d231d68a8 Fix handling of custom context 01f34d0b0 Fix library deprecation warning 9a0a24f90 Test is_streamable with overloaded comma operators 430e6ac9b Protect against overloaded comma operators in decltype 467520e7a Remove unused macro 5a314a528 Eliminate extra copy on floating-point formatting 9989e7f4e Update benchmark results 31510cb43 Fix warnings from Visual Studio 61c9b563c Replace 'std::result_of' by 'std::invoke_result' where possible (#1025) 864b9a220 Correct the comment 153833683 Remove unnecessary checks 22de5a755 Fix warnings from Travis 355eb6d29 Enable grisu for shortest roundtrip (default) formatting b8d34e0db Fix rounding e61cac687 Minor grisu improvements 7fbbfed8c Fix warnings caused by usage of deprecated functionality c3268f4e5 Remove use cases of deprecated functionality 34951f199 Replace comments regarding deprecation with attributes 3f52336e6 Simplify formatter selection 7ca8fc3b1 Fix a bogus warning 5289dd600 Test formatting of special numbers bf6529f2c Update docs 070061224 Implement 'chrono' formatting specifiers '%Q' and '%q' 06c005b7b Clarify that compile-time checks don't support named arguments 4f6fda558 Add a grisu test stub 9f70b034e Implement precision for floating-point durations. 7cdb1e5e4 Workaround broken is_default_constructible in MSVC 5f1ceebc7 Make formatter<T> override ostream<< for templates (#952) 1b11b000c Update readme 83f052930 Add code from p0645 fdd8e333c Fix compilation with locales disabled (#1011) dad1eec84 Workaround unimplemented T... on gcc 4.6.x (#1008) b0cde860a Implement 'snprintf(OutputIt it, size_t n, const S &format, const Args & ... args)' (#917) e05dfb088 Fix compile errors due to name-hiding and an unused function argument. dde095fab Revert "Reorder defines" 4a059914a Reorder defines 58b6f8db4 Format the code using clang-format 9a777b9e1 Implemented fmt::prepare() da55e96f5 Install ninja to fix android build dc8f8ce4c Fix handling of dynamic width in chrono formatter f5cc77cea Get rid of 'null_terminating_iterator' in printf.h (#980) 39623a740 Replaced usage of gtest's internal scoped_ptr with unique_ptr. ae1de3a8d Add support for using text_style in format and vformat directly (#993) * Closes #993 1b8a216dd Improve docs b3ad759a0 Bump version and correct changelog git-subtree-dir: externals/fmt git-subtree-split: 9bdd1596cef1b57b9556f8bef32dc4a32322ef3e
2580 lines
95 KiB
C++
2580 lines
95 KiB
C++
// Formatting library for C++ - formatting library tests
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//
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// Copyright (c) 2012 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#include <stdint.h>
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#include <cctype>
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#include <cfloat>
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#include <climits>
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#include <cmath>
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#include <cstring>
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#include <list>
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#include <memory>
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#include <string>
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// Check if fmt/format.h compiles with windows.h included before it.
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#ifdef _WIN32
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# include <windows.h>
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#endif
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// Check if fmt/format.h compiles with the X11 index macro defined.
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#define index(x, y) no nice things
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#include "fmt/color.h"
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#include "fmt/format.h"
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#undef index
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#include "gmock.h"
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#include "gtest-extra.h"
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#include "mock-allocator.h"
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#include "util.h"
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#undef ERROR
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#undef min
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#undef max
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using std::size_t;
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using fmt::basic_memory_buffer;
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using fmt::format;
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using fmt::format_error;
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using fmt::memory_buffer;
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using fmt::string_view;
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using fmt::wmemory_buffer;
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using fmt::wstring_view;
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using fmt::internal::basic_writer;
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using fmt::internal::max_value;
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using testing::Return;
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using testing::StrictMock;
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namespace {
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#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 408
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template <typename Char, typename T> bool check_enabled_formatter() {
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static_assert(std::is_default_constructible<fmt::formatter<T, Char>>::value,
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"");
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return true;
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}
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template <typename Char, typename... T> void check_enabled_formatters() {
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auto dummy = {check_enabled_formatter<Char, T>()...};
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(void)dummy;
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}
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TEST(FormatterTest, TestFormattersEnabled) {
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check_enabled_formatters<char, bool, char, signed char, unsigned char, short,
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unsigned short, int, unsigned, long, unsigned long,
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long long, unsigned long long, float, double,
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long double, void*, const void*, char*, const char*,
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std::string, std::nullptr_t>();
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check_enabled_formatters<wchar_t, bool, wchar_t, signed char, unsigned char,
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short, unsigned short, int, unsigned, long,
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unsigned long, long long, unsigned long long, float,
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double, long double, void*, const void*, wchar_t*,
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const wchar_t*, std::wstring, std::nullptr_t>();
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}
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#endif
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// Format value using the standard library.
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template <typename Char, typename T>
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void std_format(const T& value, std::basic_string<Char>& result) {
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std::basic_ostringstream<Char> os;
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os << value;
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result = os.str();
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}
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#ifdef __MINGW32__
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// Workaround a bug in formatting long double in MinGW.
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void std_format(long double value, std::string& result) {
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char buffer[100];
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safe_sprintf(buffer, "%Lg", value);
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result = buffer;
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}
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void std_format(long double value, std::wstring& result) {
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wchar_t buffer[100];
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swprintf(buffer, L"%Lg", value);
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result = buffer;
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}
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#endif
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// Checks if writing value to BasicWriter<Char> produces the same result
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// as writing it to std::basic_ostringstream<Char>.
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template <typename Char, typename T>
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::testing::AssertionResult check_write(const T& value, const char* type) {
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fmt::basic_memory_buffer<Char> buffer;
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using range = fmt::buffer_range<Char>;
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basic_writer<range> writer(buffer);
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writer.write(value);
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std::basic_string<Char> actual = to_string(buffer);
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std::basic_string<Char> expected;
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std_format(value, expected);
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if (expected == actual) return ::testing::AssertionSuccess();
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return ::testing::AssertionFailure()
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<< "Value of: (Writer<" << type << ">() << value).str()\n"
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<< " Actual: " << actual << "\n"
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<< "Expected: " << expected << "\n";
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}
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struct AnyWriteChecker {
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template <typename T>
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::testing::AssertionResult operator()(const char*, const T& value) const {
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::testing::AssertionResult result = check_write<char>(value, "char");
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return result ? check_write<wchar_t>(value, "wchar_t") : result;
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}
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};
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template <typename Char> struct WriteChecker {
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template <typename T>
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::testing::AssertionResult operator()(const char*, const T& value) const {
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return check_write<Char>(value, "char");
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}
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};
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// Checks if writing value to BasicWriter produces the same result
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// as writing it to std::ostringstream both for char and wchar_t.
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#define CHECK_WRITE(value) EXPECT_PRED_FORMAT1(AnyWriteChecker(), value)
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#define CHECK_WRITE_CHAR(value) EXPECT_PRED_FORMAT1(WriteChecker<char>(), value)
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#define CHECK_WRITE_WCHAR(value) \
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EXPECT_PRED_FORMAT1(WriteChecker<wchar_t>(), value)
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} // namespace
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struct uint32_pair {
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uint32_t u[2];
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};
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TEST(UtilTest, BitCast) {
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auto s = fmt::internal::bit_cast<uint32_pair>(uint64_t{42});
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EXPECT_EQ(fmt::internal::bit_cast<uint64_t>(s), 42ull);
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s = fmt::internal::bit_cast<uint32_pair>(uint64_t(~0ull));
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EXPECT_EQ(fmt::internal::bit_cast<uint64_t>(s), ~0ull);
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}
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TEST(UtilTest, Increment) {
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char s[10] = "123";
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increment(s);
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EXPECT_STREQ("124", s);
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s[2] = '8';
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increment(s);
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EXPECT_STREQ("129", s);
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increment(s);
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EXPECT_STREQ("130", s);
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s[1] = s[2] = '9';
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increment(s);
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EXPECT_STREQ("200", s);
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}
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TEST(UtilTest, ParseNonnegativeInt) {
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if (max_value<int>() != static_cast<int>(static_cast<unsigned>(1) << 31)) {
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fmt::print("Skipping parse_nonnegative_int test\n");
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return;
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}
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fmt::string_view s = "10000000000";
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auto begin = s.begin(), end = s.end();
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EXPECT_THROW_MSG(
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parse_nonnegative_int(begin, end, fmt::internal::error_handler()),
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fmt::format_error, "number is too big");
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s = "2147483649";
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begin = s.begin();
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end = s.end();
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EXPECT_THROW_MSG(
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parse_nonnegative_int(begin, end, fmt::internal::error_handler()),
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fmt::format_error, "number is too big");
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}
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TEST(IteratorTest, CountingIterator) {
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fmt::internal::counting_iterator it;
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auto prev = it++;
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EXPECT_EQ(prev.count(), 0);
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EXPECT_EQ(it.count(), 1);
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}
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TEST(IteratorTest, TruncatingIterator) {
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char* p = nullptr;
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fmt::internal::truncating_iterator<char*> it(p, 3);
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auto prev = it++;
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EXPECT_EQ(prev.base(), p);
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EXPECT_EQ(it.base(), p + 1);
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}
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TEST(IteratorTest, TruncatingBackInserter) {
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std::string buffer;
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auto bi = std::back_inserter(buffer);
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fmt::internal::truncating_iterator<decltype(bi)> it(bi, 2);
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*it++ = '4';
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*it++ = '2';
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*it++ = '1';
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EXPECT_EQ(buffer.size(), 2);
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EXPECT_EQ(buffer, "42");
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}
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TEST(IteratorTest, IsOutputIterator) {
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EXPECT_TRUE(fmt::internal::is_output_iterator<char*>::value);
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EXPECT_FALSE(fmt::internal::is_output_iterator<const char*>::value);
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EXPECT_FALSE(fmt::internal::is_output_iterator<std::string>::value);
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EXPECT_TRUE(fmt::internal::is_output_iterator<
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std::back_insert_iterator<std::string>>::value);
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EXPECT_TRUE(fmt::internal::is_output_iterator<std::string::iterator>::value);
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EXPECT_FALSE(
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fmt::internal::is_output_iterator<std::string::const_iterator>::value);
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EXPECT_FALSE(fmt::internal::is_output_iterator<std::list<char>>::value);
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EXPECT_TRUE(
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fmt::internal::is_output_iterator<std::list<char>::iterator>::value);
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EXPECT_FALSE(fmt::internal::is_output_iterator<
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std::list<char>::const_iterator>::value);
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EXPECT_FALSE(fmt::internal::is_output_iterator<uint32_pair>::value);
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}
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TEST(MemoryBufferTest, Ctor) {
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basic_memory_buffer<char, 123> buffer;
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EXPECT_EQ(static_cast<size_t>(0), buffer.size());
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EXPECT_EQ(123u, buffer.capacity());
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}
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static void check_forwarding(mock_allocator<int>& alloc,
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allocator_ref<mock_allocator<int>>& ref) {
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int mem;
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// Check if value_type is properly defined.
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allocator_ref<mock_allocator<int>>::value_type* ptr = &mem;
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// Check forwarding.
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EXPECT_CALL(alloc, allocate(42)).WillOnce(testing::Return(ptr));
|
|
ref.allocate(42);
|
|
EXPECT_CALL(alloc, deallocate(ptr, 42));
|
|
ref.deallocate(ptr, 42);
|
|
}
|
|
|
|
TEST(AllocatorTest, allocator_ref) {
|
|
StrictMock<mock_allocator<int>> alloc;
|
|
typedef allocator_ref<mock_allocator<int>> test_allocator_ref;
|
|
test_allocator_ref ref(&alloc);
|
|
// Check if allocator_ref forwards to the underlying allocator.
|
|
check_forwarding(alloc, ref);
|
|
test_allocator_ref ref2(ref);
|
|
check_forwarding(alloc, ref2);
|
|
test_allocator_ref ref3;
|
|
EXPECT_EQ(nullptr, ref3.get());
|
|
ref3 = ref;
|
|
check_forwarding(alloc, ref3);
|
|
}
|
|
|
|
typedef allocator_ref<std::allocator<char>> TestAllocator;
|
|
|
|
static void check_move_buffer(
|
|
const char* str, basic_memory_buffer<char, 5, TestAllocator>& buffer) {
|
|
std::allocator<char>* alloc = buffer.get_allocator().get();
|
|
basic_memory_buffer<char, 5, TestAllocator> buffer2(std::move(buffer));
|
|
// Move shouldn't destroy the inline content of the first buffer.
|
|
EXPECT_EQ(str, std::string(&buffer[0], buffer.size()));
|
|
EXPECT_EQ(str, std::string(&buffer2[0], buffer2.size()));
|
|
EXPECT_EQ(5u, buffer2.capacity());
|
|
// Move should transfer allocator.
|
|
EXPECT_EQ(nullptr, buffer.get_allocator().get());
|
|
EXPECT_EQ(alloc, buffer2.get_allocator().get());
|
|
}
|
|
|
|
TEST(MemoryBufferTest, MoveCtorInlineBuffer) {
|
|
std::allocator<char> alloc;
|
|
basic_memory_buffer<char, 5, TestAllocator> buffer((TestAllocator(&alloc)));
|
|
const char test[] = "test";
|
|
buffer.append(test, test + 4);
|
|
check_move_buffer("test", buffer);
|
|
// Adding one more character fills the inline buffer, but doesn't cause
|
|
// dynamic allocation.
|
|
buffer.push_back('a');
|
|
check_move_buffer("testa", buffer);
|
|
}
|
|
|
|
TEST(MemoryBufferTest, MoveCtorDynamicBuffer) {
|
|
std::allocator<char> alloc;
|
|
basic_memory_buffer<char, 4, TestAllocator> buffer((TestAllocator(&alloc)));
|
|
const char test[] = "test";
|
|
buffer.append(test, test + 4);
|
|
const char* inline_buffer_ptr = &buffer[0];
|
|
// Adding one more character causes the content to move from the inline to
|
|
// a dynamically allocated buffer.
|
|
buffer.push_back('a');
|
|
basic_memory_buffer<char, 4, TestAllocator> buffer2(std::move(buffer));
|
|
// Move should rip the guts of the first buffer.
|
|
EXPECT_EQ(inline_buffer_ptr, &buffer[0]);
|
|
EXPECT_EQ("testa", std::string(&buffer2[0], buffer2.size()));
|
|
EXPECT_GT(buffer2.capacity(), 4u);
|
|
}
|
|
|
|
static void check_move_assign_buffer(const char* str,
|
|
basic_memory_buffer<char, 5>& buffer) {
|
|
basic_memory_buffer<char, 5> buffer2;
|
|
buffer2 = std::move(buffer);
|
|
// Move shouldn't destroy the inline content of the first buffer.
|
|
EXPECT_EQ(str, std::string(&buffer[0], buffer.size()));
|
|
EXPECT_EQ(str, std::string(&buffer2[0], buffer2.size()));
|
|
EXPECT_EQ(5u, buffer2.capacity());
|
|
}
|
|
|
|
TEST(MemoryBufferTest, MoveAssignment) {
|
|
basic_memory_buffer<char, 5> buffer;
|
|
const char test[] = "test";
|
|
buffer.append(test, test + 4);
|
|
check_move_assign_buffer("test", buffer);
|
|
// Adding one more character fills the inline buffer, but doesn't cause
|
|
// dynamic allocation.
|
|
buffer.push_back('a');
|
|
check_move_assign_buffer("testa", buffer);
|
|
const char* inline_buffer_ptr = &buffer[0];
|
|
// Adding one more character causes the content to move from the inline to
|
|
// a dynamically allocated buffer.
|
|
buffer.push_back('b');
|
|
basic_memory_buffer<char, 5> buffer2;
|
|
buffer2 = std::move(buffer);
|
|
// Move should rip the guts of the first buffer.
|
|
EXPECT_EQ(inline_buffer_ptr, &buffer[0]);
|
|
EXPECT_EQ("testab", std::string(&buffer2[0], buffer2.size()));
|
|
EXPECT_GT(buffer2.capacity(), 5u);
|
|
}
|
|
|
|
TEST(MemoryBufferTest, Grow) {
|
|
typedef allocator_ref<mock_allocator<int>> Allocator;
|
|
typedef basic_memory_buffer<int, 10, Allocator> Base;
|
|
mock_allocator<int> alloc;
|
|
struct TestMemoryBuffer : Base {
|
|
TestMemoryBuffer(Allocator alloc) : Base(alloc) {}
|
|
void grow(std::size_t size) { Base::grow(size); }
|
|
} buffer((Allocator(&alloc)));
|
|
buffer.resize(7);
|
|
using fmt::internal::to_unsigned;
|
|
for (int i = 0; i < 7; ++i) buffer[to_unsigned(i)] = i * i;
|
|
EXPECT_EQ(10u, buffer.capacity());
|
|
int mem[20];
|
|
mem[7] = 0xdead;
|
|
EXPECT_CALL(alloc, allocate(20)).WillOnce(Return(mem));
|
|
buffer.grow(20);
|
|
EXPECT_EQ(20u, buffer.capacity());
|
|
// Check if size elements have been copied
|
|
for (int i = 0; i < 7; ++i) EXPECT_EQ(i * i, buffer[to_unsigned(i)]);
|
|
// and no more than that.
|
|
EXPECT_EQ(0xdead, buffer[7]);
|
|
EXPECT_CALL(alloc, deallocate(mem, 20));
|
|
}
|
|
|
|
TEST(MemoryBufferTest, Allocator) {
|
|
typedef allocator_ref<mock_allocator<char>> TestAllocator;
|
|
basic_memory_buffer<char, 10, TestAllocator> buffer;
|
|
EXPECT_EQ(nullptr, buffer.get_allocator().get());
|
|
StrictMock<mock_allocator<char>> alloc;
|
|
char mem;
|
|
{
|
|
basic_memory_buffer<char, 10, TestAllocator> buffer2(
|
|
(TestAllocator(&alloc)));
|
|
EXPECT_EQ(&alloc, buffer2.get_allocator().get());
|
|
std::size_t size = 2 * fmt::inline_buffer_size;
|
|
EXPECT_CALL(alloc, allocate(size)).WillOnce(Return(&mem));
|
|
buffer2.reserve(size);
|
|
EXPECT_CALL(alloc, deallocate(&mem, size));
|
|
}
|
|
}
|
|
|
|
TEST(MemoryBufferTest, ExceptionInDeallocate) {
|
|
typedef allocator_ref<mock_allocator<char>> TestAllocator;
|
|
StrictMock<mock_allocator<char>> alloc;
|
|
basic_memory_buffer<char, 10, TestAllocator> buffer((TestAllocator(&alloc)));
|
|
std::size_t size = 2 * fmt::inline_buffer_size;
|
|
std::vector<char> mem(size);
|
|
{
|
|
EXPECT_CALL(alloc, allocate(size)).WillOnce(Return(&mem[0]));
|
|
buffer.resize(size);
|
|
std::fill(&buffer[0], &buffer[0] + size, 'x');
|
|
}
|
|
std::vector<char> mem2(2 * size);
|
|
{
|
|
EXPECT_CALL(alloc, allocate(2 * size)).WillOnce(Return(&mem2[0]));
|
|
std::exception e;
|
|
EXPECT_CALL(alloc, deallocate(&mem[0], size)).WillOnce(testing::Throw(e));
|
|
EXPECT_THROW(buffer.reserve(2 * size), std::exception);
|
|
EXPECT_EQ(&mem2[0], &buffer[0]);
|
|
// Check that the data has been copied.
|
|
for (std::size_t i = 0; i < size; ++i) EXPECT_EQ('x', buffer[i]);
|
|
}
|
|
EXPECT_CALL(alloc, deallocate(&mem2[0], 2 * size));
|
|
}
|
|
|
|
TEST(UtilTest, UTF8ToUTF16) {
|
|
fmt::internal::utf8_to_utf16 u("лошадка");
|
|
EXPECT_EQ(L"\x043B\x043E\x0448\x0430\x0434\x043A\x0430", u.str());
|
|
EXPECT_EQ(7, u.size());
|
|
// U+10437 { DESERET SMALL LETTER YEE }
|
|
EXPECT_EQ(L"\xD801\xDC37", fmt::internal::utf8_to_utf16("𐐷").str());
|
|
EXPECT_THROW_MSG(fmt::internal::utf8_to_utf16("\xc3\x28"), std::runtime_error,
|
|
"invalid utf8");
|
|
EXPECT_THROW_MSG(fmt::internal::utf8_to_utf16(fmt::string_view("л", 1)),
|
|
std::runtime_error, "invalid utf8");
|
|
EXPECT_EQ(L"123456", fmt::internal::utf8_to_utf16("123456").str());
|
|
}
|
|
|
|
TEST(UtilTest, UTF8ToUTF16EmptyString) {
|
|
std::string s = "";
|
|
fmt::internal::utf8_to_utf16 u(s.c_str());
|
|
EXPECT_EQ(L"", u.str());
|
|
EXPECT_EQ(s.size(), u.size());
|
|
}
|
|
|
|
TEST(UtilTest, FormatSystemError) {
|
|
fmt::memory_buffer message;
|
|
fmt::format_system_error(message, EDOM, "test");
|
|
EXPECT_EQ(fmt::format("test: {}", get_system_error(EDOM)),
|
|
to_string(message));
|
|
message = fmt::memory_buffer();
|
|
|
|
// Check if std::allocator throws on allocating max size_t / 2 chars.
|
|
size_t max_size = max_value<size_t>() / 2;
|
|
bool throws_on_alloc = false;
|
|
try {
|
|
std::allocator<char> alloc;
|
|
alloc.deallocate(alloc.allocate(max_size), max_size);
|
|
} catch (const std::bad_alloc&) {
|
|
throws_on_alloc = true;
|
|
}
|
|
if (!throws_on_alloc) {
|
|
fmt::print("warning: std::allocator allocates {} chars", max_size);
|
|
return;
|
|
}
|
|
fmt::format_system_error(message, EDOM, fmt::string_view(nullptr, max_size));
|
|
EXPECT_EQ(fmt::format("error {}", EDOM), to_string(message));
|
|
}
|
|
|
|
TEST(UtilTest, SystemError) {
|
|
fmt::system_error e(EDOM, "test");
|
|
EXPECT_EQ(fmt::format("test: {}", get_system_error(EDOM)), e.what());
|
|
EXPECT_EQ(EDOM, e.error_code());
|
|
|
|
fmt::system_error error(0, "");
|
|
try {
|
|
throw fmt::system_error(EDOM, "test {}", "error");
|
|
} catch (const fmt::system_error& e) {
|
|
error = e;
|
|
}
|
|
fmt::memory_buffer message;
|
|
fmt::format_system_error(message, EDOM, "test error");
|
|
EXPECT_EQ(to_string(message), error.what());
|
|
EXPECT_EQ(EDOM, error.error_code());
|
|
}
|
|
|
|
TEST(UtilTest, ReportSystemError) {
|
|
fmt::memory_buffer out;
|
|
fmt::format_system_error(out, EDOM, "test error");
|
|
out.push_back('\n');
|
|
EXPECT_WRITE(stderr, fmt::report_system_error(EDOM, "test error"),
|
|
to_string(out));
|
|
}
|
|
|
|
TEST(StringViewTest, Ctor) {
|
|
EXPECT_STREQ("abc", string_view("abc").data());
|
|
EXPECT_EQ(3u, string_view("abc").size());
|
|
|
|
EXPECT_STREQ("defg", string_view(std::string("defg")).data());
|
|
EXPECT_EQ(4u, string_view(std::string("defg")).size());
|
|
}
|
|
|
|
TEST(WriterTest, Data) {
|
|
memory_buffer buf;
|
|
fmt::internal::writer w(buf);
|
|
w.write(42);
|
|
EXPECT_EQ("42", to_string(buf));
|
|
}
|
|
|
|
TEST(WriterTest, WriteInt) {
|
|
CHECK_WRITE(42);
|
|
CHECK_WRITE(-42);
|
|
CHECK_WRITE(static_cast<short>(12));
|
|
CHECK_WRITE(34u);
|
|
CHECK_WRITE(std::numeric_limits<int>::min());
|
|
CHECK_WRITE(max_value<int>());
|
|
CHECK_WRITE(max_value<unsigned>());
|
|
}
|
|
|
|
TEST(WriterTest, WriteLong) {
|
|
CHECK_WRITE(56l);
|
|
CHECK_WRITE(78ul);
|
|
CHECK_WRITE(std::numeric_limits<long>::min());
|
|
CHECK_WRITE(max_value<long>());
|
|
CHECK_WRITE(max_value<unsigned long>());
|
|
}
|
|
|
|
TEST(WriterTest, WriteLongLong) {
|
|
CHECK_WRITE(56ll);
|
|
CHECK_WRITE(78ull);
|
|
CHECK_WRITE(std::numeric_limits<long long>::min());
|
|
CHECK_WRITE(max_value<long long>());
|
|
CHECK_WRITE(max_value<unsigned long long>());
|
|
}
|
|
|
|
TEST(WriterTest, WriteDouble) {
|
|
CHECK_WRITE(4.2);
|
|
CHECK_WRITE(-4.2);
|
|
auto min = std::numeric_limits<double>::min();
|
|
auto max = max_value<double>();
|
|
if (fmt::internal::use_grisu<double>()) {
|
|
EXPECT_EQ("2.2250738585072014e-308", fmt::format("{}", min));
|
|
EXPECT_EQ("1.7976931348623157e+308", fmt::format("{}", max));
|
|
} else {
|
|
CHECK_WRITE(min);
|
|
CHECK_WRITE(max);
|
|
}
|
|
}
|
|
|
|
TEST(WriterTest, WriteLongDouble) {
|
|
CHECK_WRITE(4.2l);
|
|
CHECK_WRITE_CHAR(-4.2l);
|
|
std::wstring str;
|
|
std_format(4.2l, str);
|
|
if (str[0] != '-')
|
|
CHECK_WRITE_WCHAR(-4.2l);
|
|
else
|
|
fmt::print("warning: long double formatting with std::swprintf is broken");
|
|
auto min = std::numeric_limits<long double>::min();
|
|
auto max = max_value<long double>();
|
|
if (fmt::internal::use_grisu<long double>()) {
|
|
EXPECT_EQ("2.2250738585072014e-308", fmt::format("{}", min));
|
|
EXPECT_EQ("1.7976931348623157e+308", fmt::format("{}", max));
|
|
} else {
|
|
CHECK_WRITE(min);
|
|
CHECK_WRITE(max);
|
|
}
|
|
}
|
|
|
|
TEST(WriterTest, WriteDoubleAtBufferBoundary) {
|
|
memory_buffer buf;
|
|
fmt::internal::writer writer(buf);
|
|
for (int i = 0; i < 100; ++i) writer.write(1.23456789);
|
|
}
|
|
|
|
TEST(WriterTest, WriteDoubleWithFilledBuffer) {
|
|
memory_buffer buf;
|
|
fmt::internal::writer writer(buf);
|
|
// Fill the buffer.
|
|
for (int i = 0; i < fmt::inline_buffer_size; ++i) writer.write(' ');
|
|
writer.write(1.2);
|
|
fmt::string_view sv(buf.data(), buf.size());
|
|
sv.remove_prefix(fmt::inline_buffer_size);
|
|
EXPECT_EQ("1.2", sv);
|
|
}
|
|
|
|
TEST(WriterTest, WriteChar) { CHECK_WRITE('a'); }
|
|
|
|
TEST(WriterTest, WriteWideChar) { CHECK_WRITE_WCHAR(L'a'); }
|
|
|
|
TEST(WriterTest, WriteString) {
|
|
CHECK_WRITE_CHAR("abc");
|
|
CHECK_WRITE_WCHAR("abc");
|
|
}
|
|
|
|
TEST(WriterTest, WriteWideString) { CHECK_WRITE_WCHAR(L"abc"); }
|
|
|
|
TEST(FormatToTest, FormatWithoutArgs) {
|
|
std::string s;
|
|
fmt::format_to(std::back_inserter(s), "test");
|
|
EXPECT_EQ("test", s);
|
|
}
|
|
|
|
TEST(FormatToTest, Format) {
|
|
std::string s;
|
|
fmt::format_to(std::back_inserter(s), "part{0}", 1);
|
|
EXPECT_EQ("part1", s);
|
|
fmt::format_to(std::back_inserter(s), "part{0}", 2);
|
|
EXPECT_EQ("part1part2", s);
|
|
}
|
|
|
|
TEST(FormatToTest, WideString) {
|
|
std::vector<wchar_t> buf;
|
|
fmt::format_to(std::back_inserter(buf), L"{}{}", 42, L'\0');
|
|
EXPECT_STREQ(buf.data(), L"42");
|
|
}
|
|
|
|
TEST(FormatToTest, FormatToMemoryBuffer) {
|
|
fmt::basic_memory_buffer<char, 100> buffer;
|
|
fmt::format_to(buffer, "{}", "foo");
|
|
EXPECT_EQ("foo", to_string(buffer));
|
|
fmt::wmemory_buffer wbuffer;
|
|
fmt::format_to(wbuffer, L"{}", L"foo");
|
|
EXPECT_EQ(L"foo", to_string(wbuffer));
|
|
}
|
|
|
|
TEST(FormatterTest, Escape) {
|
|
EXPECT_EQ("{", format("{{"));
|
|
EXPECT_EQ("before {", format("before {{"));
|
|
EXPECT_EQ("{ after", format("{{ after"));
|
|
EXPECT_EQ("before { after", format("before {{ after"));
|
|
|
|
EXPECT_EQ("}", format("}}"));
|
|
EXPECT_EQ("before }", format("before }}"));
|
|
EXPECT_EQ("} after", format("}} after"));
|
|
EXPECT_EQ("before } after", format("before }} after"));
|
|
|
|
EXPECT_EQ("{}", format("{{}}"));
|
|
EXPECT_EQ("{42}", format("{{{0}}}", 42));
|
|
}
|
|
|
|
TEST(FormatterTest, UnmatchedBraces) {
|
|
EXPECT_THROW_MSG(format("{"), format_error, "invalid format string");
|
|
EXPECT_THROW_MSG(format("}"), format_error, "unmatched '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0{}"), format_error, "invalid format string");
|
|
}
|
|
|
|
TEST(FormatterTest, NoArgs) { EXPECT_EQ("test", format("test")); }
|
|
|
|
TEST(FormatterTest, ArgsInDifferentPositions) {
|
|
EXPECT_EQ("42", format("{0}", 42));
|
|
EXPECT_EQ("before 42", format("before {0}", 42));
|
|
EXPECT_EQ("42 after", format("{0} after", 42));
|
|
EXPECT_EQ("before 42 after", format("before {0} after", 42));
|
|
EXPECT_EQ("answer = 42", format("{0} = {1}", "answer", 42));
|
|
EXPECT_EQ("42 is the answer", format("{1} is the {0}", "answer", 42));
|
|
EXPECT_EQ("abracadabra", format("{0}{1}{0}", "abra", "cad"));
|
|
}
|
|
|
|
TEST(FormatterTest, ArgErrors) {
|
|
EXPECT_THROW_MSG(format("{"), format_error, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{?}"), format_error, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0"), format_error, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0}"), format_error, "argument index out of range");
|
|
EXPECT_THROW_MSG(format("{00}", 42), format_error, "invalid format string");
|
|
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{%u", INT_MAX);
|
|
EXPECT_THROW_MSG(format(format_str), format_error, "invalid format string");
|
|
safe_sprintf(format_str, "{%u}", INT_MAX);
|
|
EXPECT_THROW_MSG(format(format_str), format_error,
|
|
"argument index out of range");
|
|
|
|
safe_sprintf(format_str, "{%u", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str), format_error, "number is too big");
|
|
safe_sprintf(format_str, "{%u}", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str), format_error, "number is too big");
|
|
}
|
|
|
|
template <int N> struct TestFormat {
|
|
template <typename... Args>
|
|
static std::string format(fmt::string_view format_str, const Args&... args) {
|
|
return TestFormat<N - 1>::format(format_str, N - 1, args...);
|
|
}
|
|
};
|
|
|
|
template <> struct TestFormat<0> {
|
|
template <typename... Args>
|
|
static std::string format(fmt::string_view format_str, const Args&... args) {
|
|
return fmt::format(format_str, args...);
|
|
}
|
|
};
|
|
|
|
TEST(FormatterTest, ManyArgs) {
|
|
EXPECT_EQ("19", TestFormat<20>::format("{19}"));
|
|
EXPECT_THROW_MSG(TestFormat<20>::format("{20}"), format_error,
|
|
"argument index out of range");
|
|
EXPECT_THROW_MSG(TestFormat<21>::format("{21}"), format_error,
|
|
"argument index out of range");
|
|
enum { max_packed_args = fmt::internal::max_packed_args };
|
|
std::string format_str = fmt::format("{{{}}}", max_packed_args + 1);
|
|
EXPECT_THROW_MSG(TestFormat<max_packed_args>::format(format_str),
|
|
format_error, "argument index out of range");
|
|
}
|
|
|
|
TEST(FormatterTest, NamedArg) {
|
|
EXPECT_EQ("1/a/A", format("{_1}/{a_}/{A_}", fmt::arg("a_", 'a'),
|
|
fmt::arg("A_", "A"), fmt::arg("_1", 1)));
|
|
EXPECT_THROW_MSG(format("{a}"), format_error, "argument not found");
|
|
EXPECT_EQ(" -42", format("{0:{width}}", -42, fmt::arg("width", 4)));
|
|
EXPECT_EQ("st", format("{0:.{precision}}", "str", fmt::arg("precision", 2)));
|
|
EXPECT_EQ("1 2", format("{} {two}", 1, fmt::arg("two", 2)));
|
|
EXPECT_EQ("42", format("{c}", fmt::arg("a", 0), fmt::arg("b", 0),
|
|
fmt::arg("c", 42), fmt::arg("d", 0), fmt::arg("e", 0),
|
|
fmt::arg("f", 0), fmt::arg("g", 0), fmt::arg("h", 0),
|
|
fmt::arg("i", 0), fmt::arg("j", 0), fmt::arg("k", 0),
|
|
fmt::arg("l", 0), fmt::arg("m", 0), fmt::arg("n", 0),
|
|
fmt::arg("o", 0), fmt::arg("p", 0)));
|
|
}
|
|
|
|
TEST(FormatterTest, AutoArgIndex) {
|
|
EXPECT_EQ("abc", format("{}{}{}", 'a', 'b', 'c'));
|
|
EXPECT_THROW_MSG(format("{0}{}", 'a', 'b'), format_error,
|
|
"cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{}{0}", 'a', 'b'), format_error,
|
|
"cannot switch from automatic to manual argument indexing");
|
|
EXPECT_EQ("1.2", format("{:.{}}", 1.2345, 2));
|
|
EXPECT_THROW_MSG(format("{0}:.{}", 1.2345, 2), format_error,
|
|
"cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{:.{0}}", 1.2345, 2), format_error,
|
|
"cannot switch from automatic to manual argument indexing");
|
|
EXPECT_THROW_MSG(format("{}"), format_error, "argument index out of range");
|
|
}
|
|
|
|
TEST(FormatterTest, EmptySpecs) { EXPECT_EQ("42", format("{0:}", 42)); }
|
|
|
|
TEST(FormatterTest, LeftAlign) {
|
|
EXPECT_EQ("42 ", format("{0:<4}", 42));
|
|
EXPECT_EQ("42 ", format("{0:<4o}", 042));
|
|
EXPECT_EQ("42 ", format("{0:<4x}", 0x42));
|
|
EXPECT_EQ("-42 ", format("{0:<5}", -42));
|
|
EXPECT_EQ("42 ", format("{0:<5}", 42u));
|
|
EXPECT_EQ("-42 ", format("{0:<5}", -42l));
|
|
EXPECT_EQ("42 ", format("{0:<5}", 42ul));
|
|
EXPECT_EQ("-42 ", format("{0:<5}", -42ll));
|
|
EXPECT_EQ("42 ", format("{0:<5}", 42ull));
|
|
EXPECT_EQ("-42.0 ", format("{0:<7}", -42.0));
|
|
EXPECT_EQ("-42.0 ", format("{0:<7}", -42.0l));
|
|
EXPECT_EQ("c ", format("{0:<5}", 'c'));
|
|
EXPECT_EQ("abc ", format("{0:<5}", "abc"));
|
|
EXPECT_EQ("0xface ", format("{0:<8}", reinterpret_cast<void*>(0xface)));
|
|
}
|
|
|
|
TEST(FormatterTest, RightAlign) {
|
|
EXPECT_EQ(" 42", format("{0:>4}", 42));
|
|
EXPECT_EQ(" 42", format("{0:>4o}", 042));
|
|
EXPECT_EQ(" 42", format("{0:>4x}", 0x42));
|
|
EXPECT_EQ(" -42", format("{0:>5}", -42));
|
|
EXPECT_EQ(" 42", format("{0:>5}", 42u));
|
|
EXPECT_EQ(" -42", format("{0:>5}", -42l));
|
|
EXPECT_EQ(" 42", format("{0:>5}", 42ul));
|
|
EXPECT_EQ(" -42", format("{0:>5}", -42ll));
|
|
EXPECT_EQ(" 42", format("{0:>5}", 42ull));
|
|
EXPECT_EQ(" -42.0", format("{0:>7}", -42.0));
|
|
EXPECT_EQ(" -42.0", format("{0:>7}", -42.0l));
|
|
EXPECT_EQ(" c", format("{0:>5}", 'c'));
|
|
EXPECT_EQ(" abc", format("{0:>5}", "abc"));
|
|
EXPECT_EQ(" 0xface", format("{0:>8}", reinterpret_cast<void*>(0xface)));
|
|
}
|
|
|
|
#if FMT_NUMERIC_ALIGN
|
|
TEST(FormatterTest, NumericAlign) {
|
|
EXPECT_EQ(" 42", format("{0:=4}", 42));
|
|
EXPECT_EQ("+ 42", format("{0:=+4}", 42));
|
|
EXPECT_EQ(" 42", format("{0:=4o}", 042));
|
|
EXPECT_EQ("+ 42", format("{0:=+4o}", 042));
|
|
EXPECT_EQ(" 42", format("{0:=4x}", 0x42));
|
|
EXPECT_EQ("+ 42", format("{0:=+4x}", 0x42));
|
|
EXPECT_EQ("- 42", format("{0:=5}", -42));
|
|
EXPECT_EQ(" 42", format("{0:=5}", 42u));
|
|
EXPECT_EQ("- 42", format("{0:=5}", -42l));
|
|
EXPECT_EQ(" 42", format("{0:=5}", 42ul));
|
|
EXPECT_EQ("- 42", format("{0:=5}", -42ll));
|
|
EXPECT_EQ(" 42", format("{0:=5}", 42ull));
|
|
EXPECT_EQ("- 42.0", format("{0:=7}", -42.0));
|
|
EXPECT_EQ("- 42.0", format("{0:=7}", -42.0l));
|
|
EXPECT_THROW_MSG(format("{0:=5", 'c'), format_error,
|
|
"missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:=5}", 'c'), format_error,
|
|
"invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:=5}", "abc"), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:=8}", reinterpret_cast<void*>(0xface)),
|
|
format_error, "format specifier requires numeric argument");
|
|
EXPECT_EQ(" 1.0", fmt::format("{:= }", 1.0));
|
|
}
|
|
|
|
TEST(FormatToTest, FormatToNonbackInsertIteratorWithSignAndNumericAlignment) {
|
|
char buffer[16] = {};
|
|
fmt::format_to(fmt::internal::make_checked(buffer, 16), "{: =+}", 42.0);
|
|
EXPECT_STREQ("+42.0", buffer);
|
|
}
|
|
#endif
|
|
|
|
TEST(FormatterTest, CenterAlign) {
|
|
EXPECT_EQ(" 42 ", format("{0:^5}", 42));
|
|
EXPECT_EQ(" 42 ", format("{0:^5o}", 042));
|
|
EXPECT_EQ(" 42 ", format("{0:^5x}", 0x42));
|
|
EXPECT_EQ(" -42 ", format("{0:^5}", -42));
|
|
EXPECT_EQ(" 42 ", format("{0:^5}", 42u));
|
|
EXPECT_EQ(" -42 ", format("{0:^5}", -42l));
|
|
EXPECT_EQ(" 42 ", format("{0:^5}", 42ul));
|
|
EXPECT_EQ(" -42 ", format("{0:^5}", -42ll));
|
|
EXPECT_EQ(" 42 ", format("{0:^5}", 42ull));
|
|
EXPECT_EQ(" -42.0 ", format("{0:^7}", -42.0));
|
|
EXPECT_EQ(" -42.0 ", format("{0:^7}", -42.0l));
|
|
EXPECT_EQ(" c ", format("{0:^5}", 'c'));
|
|
EXPECT_EQ(" abc ", format("{0:^6}", "abc"));
|
|
EXPECT_EQ(" 0xface ", format("{0:^8}", reinterpret_cast<void*>(0xface)));
|
|
}
|
|
|
|
TEST(FormatterTest, Fill) {
|
|
EXPECT_THROW_MSG(format("{0:{<5}", 'c'), format_error,
|
|
"invalid fill character '{'");
|
|
EXPECT_THROW_MSG(format("{0:{<5}}", 'c'), format_error,
|
|
"invalid fill character '{'");
|
|
EXPECT_EQ("**42", format("{0:*>4}", 42));
|
|
EXPECT_EQ("**-42", format("{0:*>5}", -42));
|
|
EXPECT_EQ("***42", format("{0:*>5}", 42u));
|
|
EXPECT_EQ("**-42", format("{0:*>5}", -42l));
|
|
EXPECT_EQ("***42", format("{0:*>5}", 42ul));
|
|
EXPECT_EQ("**-42", format("{0:*>5}", -42ll));
|
|
EXPECT_EQ("***42", format("{0:*>5}", 42ull));
|
|
EXPECT_EQ("**-42.0", format("{0:*>7}", -42.0));
|
|
EXPECT_EQ("**-42.0", format("{0:*>7}", -42.0l));
|
|
EXPECT_EQ("c****", format("{0:*<5}", 'c'));
|
|
EXPECT_EQ("abc**", format("{0:*<5}", "abc"));
|
|
EXPECT_EQ("**0xface", format("{0:*>8}", reinterpret_cast<void*>(0xface)));
|
|
EXPECT_EQ("foo=", format("{:}=", "foo"));
|
|
EXPECT_EQ(std::string("\0\0\0*", 4), format(string_view("{:\0>4}", 6), '*'));
|
|
EXPECT_EQ("жж42", format("{0:ж>4}", 42));
|
|
EXPECT_THROW_MSG(format("{:\x80\x80\x80\x80\x80>}", 0), format_error,
|
|
"invalid fill");
|
|
}
|
|
|
|
TEST(FormatterTest, PlusSign) {
|
|
EXPECT_EQ("+42", format("{0:+}", 42));
|
|
EXPECT_EQ("-42", format("{0:+}", -42));
|
|
EXPECT_EQ("+42", format("{0:+}", 42));
|
|
EXPECT_THROW_MSG(format("{0:+}", 42u), format_error,
|
|
"format specifier requires signed argument");
|
|
EXPECT_EQ("+42", format("{0:+}", 42l));
|
|
EXPECT_THROW_MSG(format("{0:+}", 42ul), format_error,
|
|
"format specifier requires signed argument");
|
|
EXPECT_EQ("+42", format("{0:+}", 42ll));
|
|
EXPECT_THROW_MSG(format("{0:+}", 42ull), format_error,
|
|
"format specifier requires signed argument");
|
|
EXPECT_EQ("+42.0", format("{0:+}", 42.0));
|
|
EXPECT_EQ("+42.0", format("{0:+}", 42.0l));
|
|
EXPECT_THROW_MSG(format("{0:+", 'c'), format_error,
|
|
"missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:+}", 'c'), format_error,
|
|
"invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:+}", "abc"), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:+}", reinterpret_cast<void*>(0x42)), format_error,
|
|
"format specifier requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, MinusSign) {
|
|
EXPECT_EQ("42", format("{0:-}", 42));
|
|
EXPECT_EQ("-42", format("{0:-}", -42));
|
|
EXPECT_EQ("42", format("{0:-}", 42));
|
|
EXPECT_THROW_MSG(format("{0:-}", 42u), format_error,
|
|
"format specifier requires signed argument");
|
|
EXPECT_EQ("42", format("{0:-}", 42l));
|
|
EXPECT_THROW_MSG(format("{0:-}", 42ul), format_error,
|
|
"format specifier requires signed argument");
|
|
EXPECT_EQ("42", format("{0:-}", 42ll));
|
|
EXPECT_THROW_MSG(format("{0:-}", 42ull), format_error,
|
|
"format specifier requires signed argument");
|
|
EXPECT_EQ("42.0", format("{0:-}", 42.0));
|
|
EXPECT_EQ("42.0", format("{0:-}", 42.0l));
|
|
EXPECT_THROW_MSG(format("{0:-", 'c'), format_error,
|
|
"missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:-}", 'c'), format_error,
|
|
"invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:-}", "abc"), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:-}", reinterpret_cast<void*>(0x42)), format_error,
|
|
"format specifier requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, SpaceSign) {
|
|
EXPECT_EQ(" 42", format("{0: }", 42));
|
|
EXPECT_EQ("-42", format("{0: }", -42));
|
|
EXPECT_EQ(" 42", format("{0: }", 42));
|
|
EXPECT_THROW_MSG(format("{0: }", 42u), format_error,
|
|
"format specifier requires signed argument");
|
|
EXPECT_EQ(" 42", format("{0: }", 42l));
|
|
EXPECT_THROW_MSG(format("{0: }", 42ul), format_error,
|
|
"format specifier requires signed argument");
|
|
EXPECT_EQ(" 42", format("{0: }", 42ll));
|
|
EXPECT_THROW_MSG(format("{0: }", 42ull), format_error,
|
|
"format specifier requires signed argument");
|
|
EXPECT_EQ(" 42.0", format("{0: }", 42.0));
|
|
EXPECT_EQ(" 42.0", format("{0: }", 42.0l));
|
|
EXPECT_THROW_MSG(format("{0: ", 'c'), format_error,
|
|
"missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0: }", 'c'), format_error,
|
|
"invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0: }", "abc"), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0: }", reinterpret_cast<void*>(0x42)), format_error,
|
|
"format specifier requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, HashFlag) {
|
|
EXPECT_EQ("42", format("{0:#}", 42));
|
|
EXPECT_EQ("-42", format("{0:#}", -42));
|
|
EXPECT_EQ("0b101010", format("{0:#b}", 42));
|
|
EXPECT_EQ("0B101010", format("{0:#B}", 42));
|
|
EXPECT_EQ("-0b101010", format("{0:#b}", -42));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42));
|
|
EXPECT_EQ("0X42", format("{0:#X}", 0x42));
|
|
EXPECT_EQ("-0x42", format("{0:#x}", -0x42));
|
|
EXPECT_EQ("0", format("{0:#o}", 0));
|
|
EXPECT_EQ("042", format("{0:#o}", 042));
|
|
EXPECT_EQ("-042", format("{0:#o}", -042));
|
|
EXPECT_EQ("42", format("{0:#}", 42u));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42u));
|
|
EXPECT_EQ("042", format("{0:#o}", 042u));
|
|
|
|
EXPECT_EQ("-42", format("{0:#}", -42l));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42l));
|
|
EXPECT_EQ("-0x42", format("{0:#x}", -0x42l));
|
|
EXPECT_EQ("042", format("{0:#o}", 042l));
|
|
EXPECT_EQ("-042", format("{0:#o}", -042l));
|
|
EXPECT_EQ("42", format("{0:#}", 42ul));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42ul));
|
|
EXPECT_EQ("042", format("{0:#o}", 042ul));
|
|
|
|
EXPECT_EQ("-42", format("{0:#}", -42ll));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42ll));
|
|
EXPECT_EQ("-0x42", format("{0:#x}", -0x42ll));
|
|
EXPECT_EQ("042", format("{0:#o}", 042ll));
|
|
EXPECT_EQ("-042", format("{0:#o}", -042ll));
|
|
EXPECT_EQ("42", format("{0:#}", 42ull));
|
|
EXPECT_EQ("0x42", format("{0:#x}", 0x42ull));
|
|
EXPECT_EQ("042", format("{0:#o}", 042ull));
|
|
|
|
EXPECT_EQ("-42.0", format("{0:#}", -42.0));
|
|
EXPECT_EQ("-42.0", format("{0:#}", -42.0l));
|
|
EXPECT_EQ("4.e+01", format("{:#.0e}", 42.0));
|
|
EXPECT_EQ("0.", format("{:#.0f}", 0.01));
|
|
auto s = format("{:#.0f}", 0.5); // MSVC's printf uses wrong rounding mode.
|
|
EXPECT_TRUE(s == "0." || s == "1.");
|
|
EXPECT_THROW_MSG(format("{0:#", 'c'), format_error,
|
|
"missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:#}", 'c'), format_error,
|
|
"invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:#}", "abc"), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:#}", reinterpret_cast<void*>(0x42)), format_error,
|
|
"format specifier requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, ZeroFlag) {
|
|
EXPECT_EQ("42", format("{0:0}", 42));
|
|
EXPECT_EQ("-0042", format("{0:05}", -42));
|
|
EXPECT_EQ("00042", format("{0:05}", 42u));
|
|
EXPECT_EQ("-0042", format("{0:05}", -42l));
|
|
EXPECT_EQ("00042", format("{0:05}", 42ul));
|
|
EXPECT_EQ("-0042", format("{0:05}", -42ll));
|
|
EXPECT_EQ("00042", format("{0:05}", 42ull));
|
|
EXPECT_EQ("-0042.0", format("{0:07}", -42.0));
|
|
EXPECT_EQ("-0042.0", format("{0:07}", -42.0l));
|
|
EXPECT_THROW_MSG(format("{0:0", 'c'), format_error,
|
|
"missing '}' in format string");
|
|
EXPECT_THROW_MSG(format("{0:05}", 'c'), format_error,
|
|
"invalid format specifier for char");
|
|
EXPECT_THROW_MSG(format("{0:05}", "abc"), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{0:05}", reinterpret_cast<void*>(0x42)),
|
|
format_error, "format specifier requires numeric argument");
|
|
}
|
|
|
|
TEST(FormatterTest, Width) {
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{0:%u", UINT_MAX);
|
|
increment(format_str + 3);
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
std::size_t size = std::strlen(format_str);
|
|
format_str[size] = '}';
|
|
format_str[size + 1] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
|
|
safe_sprintf(format_str, "{0:%u", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
safe_sprintf(format_str, "{0:%u}", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
EXPECT_EQ(" -42", format("{0:4}", -42));
|
|
EXPECT_EQ(" 42", format("{0:5}", 42u));
|
|
EXPECT_EQ(" -42", format("{0:6}", -42l));
|
|
EXPECT_EQ(" 42", format("{0:7}", 42ul));
|
|
EXPECT_EQ(" -42", format("{0:6}", -42ll));
|
|
EXPECT_EQ(" 42", format("{0:7}", 42ull));
|
|
EXPECT_EQ(" -1.23", format("{0:8}", -1.23));
|
|
EXPECT_EQ(" -1.23", format("{0:9}", -1.23l));
|
|
EXPECT_EQ(" 0xcafe", format("{0:10}", reinterpret_cast<void*>(0xcafe)));
|
|
EXPECT_EQ("x ", format("{0:11}", 'x'));
|
|
EXPECT_EQ("str ", format("{0:12}", "str"));
|
|
EXPECT_EQ(fmt::format("{:*^5}", "🤡"), "**🤡**");
|
|
}
|
|
|
|
template <typename T> inline T const_check(T value) { return value; }
|
|
|
|
TEST(FormatterTest, RuntimeWidth) {
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{0:{%u", UINT_MAX);
|
|
increment(format_str + 4);
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
std::size_t size = std::strlen(format_str);
|
|
format_str[size] = '}';
|
|
format_str[size + 1] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
format_str[size + 1] = '}';
|
|
format_str[size + 2] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:{", 0), format_error, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0:{}", 0), format_error,
|
|
"cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{0:{?}}", 0), format_error, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0), format_error,
|
|
"argument index out of range");
|
|
|
|
EXPECT_THROW_MSG(format("{0:{0:}}", 0), format_error,
|
|
"invalid format string");
|
|
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, -1), format_error, "negative width");
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, (INT_MAX + 1u)), format_error,
|
|
"number is too big");
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, -1l), format_error, "negative width");
|
|
if (const_check(sizeof(long) > sizeof(int))) {
|
|
long value = INT_MAX;
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, (value + 1)), format_error,
|
|
"number is too big");
|
|
}
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, (INT_MAX + 1ul)), format_error,
|
|
"number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, '0'), format_error,
|
|
"width is not integer");
|
|
EXPECT_THROW_MSG(format("{0:{1}}", 0, 0.0), format_error,
|
|
"width is not integer");
|
|
|
|
EXPECT_EQ(" -42", format("{0:{1}}", -42, 4));
|
|
EXPECT_EQ(" 42", format("{0:{1}}", 42u, 5));
|
|
EXPECT_EQ(" -42", format("{0:{1}}", -42l, 6));
|
|
EXPECT_EQ(" 42", format("{0:{1}}", 42ul, 7));
|
|
EXPECT_EQ(" -42", format("{0:{1}}", -42ll, 6));
|
|
EXPECT_EQ(" 42", format("{0:{1}}", 42ull, 7));
|
|
EXPECT_EQ(" -1.23", format("{0:{1}}", -1.23, 8));
|
|
EXPECT_EQ(" -1.23", format("{0:{1}}", -1.23l, 9));
|
|
EXPECT_EQ(" 0xcafe",
|
|
format("{0:{1}}", reinterpret_cast<void*>(0xcafe), 10));
|
|
EXPECT_EQ("x ", format("{0:{1}}", 'x', 11));
|
|
EXPECT_EQ("str ", format("{0:{1}}", "str", 12));
|
|
}
|
|
|
|
TEST(FormatterTest, Precision) {
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{0:.%u", UINT_MAX);
|
|
increment(format_str + 4);
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
std::size_t size = std::strlen(format_str);
|
|
format_str[size] = '}';
|
|
format_str[size + 1] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
|
|
safe_sprintf(format_str, "{0:.%u", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
safe_sprintf(format_str, "{0:.%u}", INT_MAX + 1u);
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.", 0), format_error,
|
|
"missing precision specifier");
|
|
EXPECT_THROW_MSG(format("{0:.}", 0), format_error,
|
|
"missing precision specifier");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.2", 0), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42u), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42u), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42l), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42l), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42ul), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42ul), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42ll), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42ll), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2}", 42ull), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", 42ull), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:3.0}", 'x'), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_EQ("1.2", format("{0:.2}", 1.2345));
|
|
EXPECT_EQ("1.2", format("{0:.2}", 1.2345l));
|
|
EXPECT_EQ("1.2e+56", format("{:.2}", 1.234e56));
|
|
EXPECT_EQ("1e+00", format("{:.0e}", 1.0L));
|
|
EXPECT_EQ(" 0.0e+00", format("{:9.1e}", 0.0));
|
|
EXPECT_EQ(
|
|
"4.9406564584124654417656879286822137236505980261432476442558568250067550"
|
|
"727020875186529983636163599237979656469544571773092665671035593979639877"
|
|
"479601078187812630071319031140452784581716784898210368871863605699873072"
|
|
"305000638740915356498438731247339727316961514003171538539807412623856559"
|
|
"117102665855668676818703956031062493194527159149245532930545654440112748"
|
|
"012970999954193198940908041656332452475714786901472678015935523861155013"
|
|
"480352649347201937902681071074917033322268447533357208324319361e-324",
|
|
format("{:.494}", 4.9406564584124654E-324));
|
|
EXPECT_EQ(
|
|
"-0X1.41FE3FFE71C9E000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000000000000000000000000"
|
|
"000000000000000000000000000000000000000000000000000P+127",
|
|
format("{:.838A}", -2.14001164E+38));
|
|
EXPECT_EQ("123.", format("{:#.0f}", 123.0));
|
|
EXPECT_EQ("1.23", format("{:.02f}", 1.234));
|
|
EXPECT_EQ("0.001", format("{:.1g}", 0.001));
|
|
|
|
EXPECT_THROW_MSG(format("{0:.2}", reinterpret_cast<void*>(0xcafe)),
|
|
format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.2f}", reinterpret_cast<void*>(0xcafe)),
|
|
format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{:.{}e}", 42.0, fmt::internal::max_value<int>()),
|
|
format_error, "number is too big");
|
|
|
|
EXPECT_EQ("st", format("{0:.2}", "str"));
|
|
}
|
|
|
|
TEST(FormatterTest, RuntimePrecision) {
|
|
char format_str[BUFFER_SIZE];
|
|
safe_sprintf(format_str, "{0:.{%u", UINT_MAX);
|
|
increment(format_str + 5);
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
std::size_t size = std::strlen(format_str);
|
|
format_str[size] = '}';
|
|
format_str[size + 1] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
format_str[size + 1] = '}';
|
|
format_str[size + 2] = 0;
|
|
EXPECT_THROW_MSG(format(format_str, 0), format_error, "number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{", 0), format_error, "invalid format string");
|
|
EXPECT_THROW_MSG(format("{0:.{}", 0), format_error,
|
|
"cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{0:.{?}}", 0), format_error,
|
|
"invalid format string");
|
|
EXPECT_THROW_MSG(format("{0:.{1}", 0, 0), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0), format_error,
|
|
"argument index out of range");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{0:}}", 0), format_error,
|
|
"invalid format string");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, -1), format_error,
|
|
"negative precision");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, (INT_MAX + 1u)), format_error,
|
|
"number is too big");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, -1l), format_error,
|
|
"negative precision");
|
|
if (const_check(sizeof(long) > sizeof(int))) {
|
|
long value = INT_MAX;
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, (value + 1)), format_error,
|
|
"number is too big");
|
|
}
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, (INT_MAX + 1ul)), format_error,
|
|
"number is too big");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, '0'), format_error,
|
|
"precision is not integer");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 0, 0.0), format_error,
|
|
"precision is not integer");
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42u, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42u, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42l, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42l, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42ul, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42ul, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42ll, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42ll, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", 42ull, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", 42ull, 2), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:3.{1}}", 'x', 0), format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_EQ("1.2", format("{0:.{1}}", 1.2345, 2));
|
|
EXPECT_EQ("1.2", format("{1:.{0}}", 2, 1.2345l));
|
|
|
|
EXPECT_THROW_MSG(format("{0:.{1}}", reinterpret_cast<void*>(0xcafe), 2),
|
|
format_error,
|
|
"precision not allowed for this argument type");
|
|
EXPECT_THROW_MSG(format("{0:.{1}f}", reinterpret_cast<void*>(0xcafe), 2),
|
|
format_error,
|
|
"precision not allowed for this argument type");
|
|
|
|
EXPECT_EQ("st", format("{0:.{1}}", "str", 2));
|
|
}
|
|
|
|
template <typename T>
|
|
void check_unknown_types(const T& value, const char* types, const char*) {
|
|
char format_str[BUFFER_SIZE];
|
|
const char* special = ".0123456789}";
|
|
for (int i = CHAR_MIN; i <= CHAR_MAX; ++i) {
|
|
char c = static_cast<char>(i);
|
|
if (std::strchr(types, c) || std::strchr(special, c) || !c) continue;
|
|
safe_sprintf(format_str, "{0:10%c}", c);
|
|
const char* message = "invalid type specifier";
|
|
EXPECT_THROW_MSG(format(format_str, value), format_error, message)
|
|
<< format_str << " " << message;
|
|
}
|
|
}
|
|
|
|
TEST(BoolTest, FormatBool) {
|
|
EXPECT_EQ("true", format("{}", true));
|
|
EXPECT_EQ("false", format("{}", false));
|
|
EXPECT_EQ("1", format("{:d}", true));
|
|
EXPECT_EQ("true ", format("{:5}", true));
|
|
EXPECT_EQ(L"true", format(L"{}", true));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatShort) {
|
|
short s = 42;
|
|
EXPECT_EQ("42", format("{0:d}", s));
|
|
unsigned short us = 42;
|
|
EXPECT_EQ("42", format("{0:d}", us));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatInt) {
|
|
EXPECT_THROW_MSG(format("{0:v", 42), format_error,
|
|
"missing '}' in format string");
|
|
check_unknown_types(42, "bBdoxXnL", "integer");
|
|
}
|
|
|
|
TEST(FormatterTest, FormatBin) {
|
|
EXPECT_EQ("0", format("{0:b}", 0));
|
|
EXPECT_EQ("101010", format("{0:b}", 42));
|
|
EXPECT_EQ("101010", format("{0:b}", 42u));
|
|
EXPECT_EQ("-101010", format("{0:b}", -42));
|
|
EXPECT_EQ("11000000111001", format("{0:b}", 12345));
|
|
EXPECT_EQ("10010001101000101011001111000", format("{0:b}", 0x12345678));
|
|
EXPECT_EQ("10010000101010111100110111101111", format("{0:b}", 0x90ABCDEF));
|
|
EXPECT_EQ("11111111111111111111111111111111",
|
|
format("{0:b}", max_value<uint32_t>()));
|
|
}
|
|
|
|
#if FMT_USE_INT128
|
|
constexpr auto int128_max = static_cast<__int128_t>(
|
|
(static_cast<__uint128_t>(1) << ((__SIZEOF_INT128__ * CHAR_BIT) - 1)) - 1);
|
|
constexpr auto int128_min = -int128_max - 1;
|
|
|
|
constexpr auto uint128_max = ~static_cast<__uint128_t>(0);
|
|
#endif
|
|
|
|
TEST(FormatterTest, FormatDec) {
|
|
EXPECT_EQ("0", format("{0}", 0));
|
|
EXPECT_EQ("42", format("{0}", 42));
|
|
EXPECT_EQ("42", format("{0:d}", 42));
|
|
EXPECT_EQ("42", format("{0}", 42u));
|
|
EXPECT_EQ("-42", format("{0}", -42));
|
|
EXPECT_EQ("12345", format("{0}", 12345));
|
|
EXPECT_EQ("67890", format("{0}", 67890));
|
|
#if FMT_USE_INT128
|
|
EXPECT_EQ("0", format("{0}", static_cast<__int128_t>(0)));
|
|
EXPECT_EQ("0", format("{0}", static_cast<__uint128_t>(0)));
|
|
EXPECT_EQ("9223372036854775808",
|
|
format("{0}", static_cast<__int128_t>(INT64_MAX) + 1));
|
|
EXPECT_EQ("-9223372036854775809",
|
|
format("{0}", static_cast<__int128_t>(INT64_MIN) - 1));
|
|
EXPECT_EQ("18446744073709551616",
|
|
format("{0}", static_cast<__int128_t>(UINT64_MAX) + 1));
|
|
EXPECT_EQ("170141183460469231731687303715884105727",
|
|
format("{0}", int128_max));
|
|
EXPECT_EQ("-170141183460469231731687303715884105728",
|
|
format("{0}", int128_min));
|
|
EXPECT_EQ("340282366920938463463374607431768211455",
|
|
format("{0}", uint128_max));
|
|
#endif
|
|
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "%d", INT_MIN);
|
|
EXPECT_EQ(buffer, format("{0}", INT_MIN));
|
|
safe_sprintf(buffer, "%d", INT_MAX);
|
|
EXPECT_EQ(buffer, format("{0}", INT_MAX));
|
|
safe_sprintf(buffer, "%u", UINT_MAX);
|
|
EXPECT_EQ(buffer, format("{0}", UINT_MAX));
|
|
safe_sprintf(buffer, "%ld", 0 - static_cast<unsigned long>(LONG_MIN));
|
|
EXPECT_EQ(buffer, format("{0}", LONG_MIN));
|
|
safe_sprintf(buffer, "%ld", LONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0}", LONG_MAX));
|
|
safe_sprintf(buffer, "%lu", ULONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0}", ULONG_MAX));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatHex) {
|
|
EXPECT_EQ("0", format("{0:x}", 0));
|
|
EXPECT_EQ("42", format("{0:x}", 0x42));
|
|
EXPECT_EQ("42", format("{0:x}", 0x42u));
|
|
EXPECT_EQ("-42", format("{0:x}", -0x42));
|
|
EXPECT_EQ("12345678", format("{0:x}", 0x12345678));
|
|
EXPECT_EQ("90abcdef", format("{0:x}", 0x90abcdef));
|
|
EXPECT_EQ("12345678", format("{0:X}", 0x12345678));
|
|
EXPECT_EQ("90ABCDEF", format("{0:X}", 0x90ABCDEF));
|
|
#if FMT_USE_INT128
|
|
EXPECT_EQ("0", format("{0:x}", static_cast<__int128_t>(0)));
|
|
EXPECT_EQ("0", format("{0:x}", static_cast<__uint128_t>(0)));
|
|
EXPECT_EQ("8000000000000000",
|
|
format("{0:x}", static_cast<__int128_t>(INT64_MAX) + 1));
|
|
EXPECT_EQ("-8000000000000001",
|
|
format("{0:x}", static_cast<__int128_t>(INT64_MIN) - 1));
|
|
EXPECT_EQ("10000000000000000",
|
|
format("{0:x}", static_cast<__int128_t>(UINT64_MAX) + 1));
|
|
EXPECT_EQ("7fffffffffffffffffffffffffffffff", format("{0:x}", int128_max));
|
|
EXPECT_EQ("-80000000000000000000000000000000", format("{0:x}", int128_min));
|
|
EXPECT_EQ("ffffffffffffffffffffffffffffffff", format("{0:x}", uint128_max));
|
|
#endif
|
|
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "-%x", 0 - static_cast<unsigned>(INT_MIN));
|
|
EXPECT_EQ(buffer, format("{0:x}", INT_MIN));
|
|
safe_sprintf(buffer, "%x", INT_MAX);
|
|
EXPECT_EQ(buffer, format("{0:x}", INT_MAX));
|
|
safe_sprintf(buffer, "%x", UINT_MAX);
|
|
EXPECT_EQ(buffer, format("{0:x}", UINT_MAX));
|
|
safe_sprintf(buffer, "-%lx", 0 - static_cast<unsigned long>(LONG_MIN));
|
|
EXPECT_EQ(buffer, format("{0:x}", LONG_MIN));
|
|
safe_sprintf(buffer, "%lx", LONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0:x}", LONG_MAX));
|
|
safe_sprintf(buffer, "%lx", ULONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0:x}", ULONG_MAX));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatOct) {
|
|
EXPECT_EQ("0", format("{0:o}", 0));
|
|
EXPECT_EQ("42", format("{0:o}", 042));
|
|
EXPECT_EQ("42", format("{0:o}", 042u));
|
|
EXPECT_EQ("-42", format("{0:o}", -042));
|
|
EXPECT_EQ("12345670", format("{0:o}", 012345670));
|
|
#if FMT_USE_INT128
|
|
EXPECT_EQ("0", format("{0:o}", static_cast<__int128_t>(0)));
|
|
EXPECT_EQ("0", format("{0:o}", static_cast<__uint128_t>(0)));
|
|
EXPECT_EQ("1000000000000000000000",
|
|
format("{0:o}", static_cast<__int128_t>(INT64_MAX) + 1));
|
|
EXPECT_EQ("-1000000000000000000001",
|
|
format("{0:o}", static_cast<__int128_t>(INT64_MIN) - 1));
|
|
EXPECT_EQ("2000000000000000000000",
|
|
format("{0:o}", static_cast<__int128_t>(UINT64_MAX) + 1));
|
|
EXPECT_EQ("1777777777777777777777777777777777777777777",
|
|
format("{0:o}", int128_max));
|
|
EXPECT_EQ("-2000000000000000000000000000000000000000000",
|
|
format("{0:o}", int128_min));
|
|
EXPECT_EQ("3777777777777777777777777777777777777777777",
|
|
format("{0:o}", uint128_max));
|
|
#endif
|
|
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "-%o", 0 - static_cast<unsigned>(INT_MIN));
|
|
EXPECT_EQ(buffer, format("{0:o}", INT_MIN));
|
|
safe_sprintf(buffer, "%o", INT_MAX);
|
|
EXPECT_EQ(buffer, format("{0:o}", INT_MAX));
|
|
safe_sprintf(buffer, "%o", UINT_MAX);
|
|
EXPECT_EQ(buffer, format("{0:o}", UINT_MAX));
|
|
safe_sprintf(buffer, "-%lo", 0 - static_cast<unsigned long>(LONG_MIN));
|
|
EXPECT_EQ(buffer, format("{0:o}", LONG_MIN));
|
|
safe_sprintf(buffer, "%lo", LONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0:o}", LONG_MAX));
|
|
safe_sprintf(buffer, "%lo", ULONG_MAX);
|
|
EXPECT_EQ(buffer, format("{0:o}", ULONG_MAX));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatIntLocale) {
|
|
EXPECT_EQ("1234", format("{:n}", 1234));
|
|
EXPECT_EQ("1234", format("{:L}", 1234));
|
|
}
|
|
|
|
struct ConvertibleToLongLong {
|
|
operator long long() const { return 1LL << 32; }
|
|
};
|
|
|
|
TEST(FormatterTest, FormatConvertibleToLongLong) {
|
|
EXPECT_EQ("100000000", format("{:x}", ConvertibleToLongLong()));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatFloat) {
|
|
EXPECT_EQ("392.500000", format("{0:f}", 392.5f));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatDouble) {
|
|
check_unknown_types(1.2, "eEfFgGaAn%", "double");
|
|
EXPECT_EQ("0.0", format("{:}", 0.0));
|
|
EXPECT_EQ("0.000000", format("{:f}", 0.0));
|
|
EXPECT_EQ("0", format("{:g}", 0.0));
|
|
EXPECT_EQ("392.65", format("{:}", 392.65));
|
|
EXPECT_EQ("392.65", format("{:g}", 392.65));
|
|
EXPECT_EQ("392.65", format("{:G}", 392.65));
|
|
EXPECT_EQ("392.650000", format("{:f}", 392.65));
|
|
EXPECT_EQ("392.650000", format("{:F}", 392.65));
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "%e", 392.65);
|
|
EXPECT_EQ(buffer, format("{0:e}", 392.65));
|
|
safe_sprintf(buffer, "%E", 392.65);
|
|
EXPECT_EQ(buffer, format("{0:E}", 392.65));
|
|
EXPECT_EQ("+0000392.6", format("{0:+010.4g}", 392.65));
|
|
safe_sprintf(buffer, "%a", -42.0);
|
|
EXPECT_EQ(buffer, format("{:a}", -42.0));
|
|
safe_sprintf(buffer, "%A", -42.0);
|
|
EXPECT_EQ(buffer, format("{:A}", -42.0));
|
|
}
|
|
|
|
TEST(FormatterTest, PrecisionRounding) {
|
|
EXPECT_EQ("0", format("{:.0f}", 0.0));
|
|
EXPECT_EQ("0", format("{:.0f}", 0.01));
|
|
EXPECT_EQ("0", format("{:.0f}", 0.1));
|
|
EXPECT_EQ("0.000", format("{:.3f}", 0.00049));
|
|
EXPECT_EQ("0.001", format("{:.3f}", 0.0005));
|
|
EXPECT_EQ("0.001", format("{:.3f}", 0.00149));
|
|
EXPECT_EQ("0.002", format("{:.3f}", 0.0015));
|
|
EXPECT_EQ("1.000", format("{:.3f}", 0.9999));
|
|
EXPECT_EQ("0.00123", format("{:.3}", 0.00123));
|
|
EXPECT_EQ("0.1", format("{:.16g}", 0.1));
|
|
// Trigger rounding error in Grisu by a carefully chosen number.
|
|
auto n = 3788512123356.985352;
|
|
char buffer[64];
|
|
safe_sprintf(buffer, "%f", n);
|
|
EXPECT_EQ(buffer, format("{:f}", n));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatNaN) {
|
|
double nan = std::numeric_limits<double>::quiet_NaN();
|
|
EXPECT_EQ("nan", format("{}", nan));
|
|
EXPECT_EQ("+nan", format("{:+}", nan));
|
|
EXPECT_EQ(" nan", format("{: }", nan));
|
|
EXPECT_EQ("NAN", format("{:F}", nan));
|
|
EXPECT_EQ("nan ", format("{:<7}", nan));
|
|
EXPECT_EQ(" nan ", format("{:^7}", nan));
|
|
EXPECT_EQ(" nan", format("{:>7}", nan));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatInfinity) {
|
|
double inf = std::numeric_limits<double>::infinity();
|
|
EXPECT_EQ("inf", format("{}", inf));
|
|
EXPECT_EQ("+inf", format("{:+}", inf));
|
|
EXPECT_EQ("-inf", format("{}", -inf));
|
|
EXPECT_EQ(" inf", format("{: }", inf));
|
|
EXPECT_EQ("INF", format("{:F}", inf));
|
|
EXPECT_EQ("inf ", format("{:<7}", inf));
|
|
EXPECT_EQ(" inf ", format("{:^7}", inf));
|
|
EXPECT_EQ(" inf", format("{:>7}", inf));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatLongDouble) {
|
|
EXPECT_EQ("0.0", format("{0:}", 0.0l));
|
|
EXPECT_EQ("0.000000", format("{0:f}", 0.0l));
|
|
EXPECT_EQ("392.65", format("{0:}", 392.65l));
|
|
EXPECT_EQ("392.65", format("{0:g}", 392.65l));
|
|
EXPECT_EQ("392.65", format("{0:G}", 392.65l));
|
|
EXPECT_EQ("392.650000", format("{0:f}", 392.65l));
|
|
EXPECT_EQ("392.650000", format("{0:F}", 392.65l));
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "%Le", 392.65l);
|
|
EXPECT_EQ(buffer, format("{0:e}", 392.65l));
|
|
EXPECT_EQ("+0000392.6", format("{0:+010.4g}", 392.64l));
|
|
safe_sprintf(buffer, "%La", 3.31l);
|
|
EXPECT_EQ(buffer, format("{:a}", 3.31l));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatChar) {
|
|
const char types[] = "cbBdoxXnL";
|
|
check_unknown_types('a', types, "char");
|
|
EXPECT_EQ("a", format("{0}", 'a'));
|
|
EXPECT_EQ("z", format("{0:c}", 'z'));
|
|
EXPECT_EQ(L"a", format(L"{0}", 'a'));
|
|
int n = 'x';
|
|
for (const char* type = types + 1; *type; ++type) {
|
|
std::string format_str = fmt::format("{{:{}}}", *type);
|
|
EXPECT_EQ(fmt::format(format_str, n), fmt::format(format_str, 'x'));
|
|
}
|
|
EXPECT_EQ(fmt::format("{:02X}", n), fmt::format("{:02X}", 'x'));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatVolatileChar) {
|
|
volatile char c = 'x';
|
|
EXPECT_EQ("x", format("{}", c));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatUnsignedChar) {
|
|
EXPECT_EQ("42", format("{}", static_cast<unsigned char>(42)));
|
|
EXPECT_EQ("42", format("{}", static_cast<uint8_t>(42)));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatWChar) {
|
|
EXPECT_EQ(L"a", format(L"{0}", L'a'));
|
|
// This shouldn't compile:
|
|
// format("{}", L'a');
|
|
}
|
|
|
|
TEST(FormatterTest, FormatCString) {
|
|
check_unknown_types("test", "sp", "string");
|
|
EXPECT_EQ("test", format("{0}", "test"));
|
|
EXPECT_EQ("test", format("{0:s}", "test"));
|
|
char nonconst[] = "nonconst";
|
|
EXPECT_EQ("nonconst", format("{0}", nonconst));
|
|
EXPECT_THROW_MSG(format("{0}", static_cast<const char*>(nullptr)),
|
|
format_error, "string pointer is null");
|
|
}
|
|
|
|
TEST(FormatterTest, FormatSCharString) {
|
|
signed char str[] = "test";
|
|
EXPECT_EQ("test", format("{0:s}", str));
|
|
const signed char* const_str = str;
|
|
EXPECT_EQ("test", format("{0:s}", const_str));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatUCharString) {
|
|
unsigned char str[] = "test";
|
|
EXPECT_EQ("test", format("{0:s}", str));
|
|
const unsigned char* const_str = str;
|
|
EXPECT_EQ("test", format("{0:s}", const_str));
|
|
unsigned char* ptr = str;
|
|
EXPECT_EQ("test", format("{0:s}", ptr));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatPointer) {
|
|
check_unknown_types(reinterpret_cast<void*>(0x1234), "p", "pointer");
|
|
EXPECT_EQ("0x0", format("{0}", static_cast<void*>(nullptr)));
|
|
EXPECT_EQ("0x1234", format("{0}", reinterpret_cast<void*>(0x1234)));
|
|
EXPECT_EQ("0x1234", format("{0:p}", reinterpret_cast<void*>(0x1234)));
|
|
EXPECT_EQ("0x" + std::string(sizeof(void*) * CHAR_BIT / 4, 'f'),
|
|
format("{0}", reinterpret_cast<void*>(~uintptr_t())));
|
|
EXPECT_EQ("0x1234", format("{}", fmt::ptr(reinterpret_cast<int*>(0x1234))));
|
|
std::unique_ptr<int> up(new int(1));
|
|
EXPECT_EQ(format("{}", fmt::ptr(up.get())), format("{}", fmt::ptr(up)));
|
|
std::shared_ptr<int> sp(new int(1));
|
|
EXPECT_EQ(format("{}", fmt::ptr(sp.get())), format("{}", fmt::ptr(sp)));
|
|
EXPECT_EQ("0x0", format("{}", nullptr));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatString) {
|
|
EXPECT_EQ("test", format("{0}", std::string("test")));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatStringView) {
|
|
EXPECT_EQ("test", format("{}", string_view("test")));
|
|
EXPECT_EQ("", format("{}", string_view()));
|
|
}
|
|
|
|
#ifdef FMT_USE_STRING_VIEW
|
|
struct string_viewable {};
|
|
|
|
FMT_BEGIN_NAMESPACE
|
|
template <> struct formatter<string_viewable> : formatter<std::string_view> {
|
|
auto format(string_viewable, format_context& ctx) -> decltype(ctx.out()) {
|
|
return formatter<std::string_view>::format("foo", ctx);
|
|
}
|
|
};
|
|
FMT_END_NAMESPACE
|
|
|
|
TEST(FormatterTest, FormatStdStringView) {
|
|
EXPECT_EQ("test", format("{}", std::string_view("test")));
|
|
EXPECT_EQ("foo", format("{}", string_viewable()));
|
|
}
|
|
|
|
struct explicitly_convertible_to_std_string_view {
|
|
explicit operator std::string_view() const { return "foo"; }
|
|
};
|
|
|
|
namespace fmt {
|
|
template <>
|
|
struct formatter<explicitly_convertible_to_std_string_view>
|
|
: formatter<std::string_view> {
|
|
auto format(const explicitly_convertible_to_std_string_view& v,
|
|
format_context& ctx) -> decltype(ctx.out()) {
|
|
return format_to(ctx.out(), "'{}'", std::string_view(v));
|
|
}
|
|
};
|
|
} // namespace fmt
|
|
|
|
TEST(FormatterTest, FormatExplicitlyConvertibleToStdStringView) {
|
|
EXPECT_EQ("'foo'",
|
|
fmt::format("{}", explicitly_convertible_to_std_string_view()));
|
|
}
|
|
#endif
|
|
|
|
FMT_BEGIN_NAMESPACE
|
|
template <> struct formatter<Date> {
|
|
template <typename ParseContext>
|
|
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
|
|
auto it = ctx.begin();
|
|
if (*it == 'd') ++it;
|
|
return it;
|
|
}
|
|
|
|
auto format(const Date& d, format_context& ctx) -> decltype(ctx.out()) {
|
|
format_to(ctx.out(), "{}-{}-{}", d.year(), d.month(), d.day());
|
|
return ctx.out();
|
|
}
|
|
};
|
|
FMT_END_NAMESPACE
|
|
|
|
TEST(FormatterTest, FormatCustom) {
|
|
Date date(2012, 12, 9);
|
|
EXPECT_THROW_MSG(fmt::format("{:s}", date), format_error,
|
|
"unknown format specifier");
|
|
}
|
|
|
|
class Answer {};
|
|
|
|
FMT_BEGIN_NAMESPACE
|
|
template <> struct formatter<Answer> : formatter<int> {
|
|
template <typename FormatContext>
|
|
auto format(Answer, FormatContext& ctx) -> decltype(ctx.out()) {
|
|
return formatter<int>::format(42, ctx);
|
|
}
|
|
};
|
|
FMT_END_NAMESPACE
|
|
|
|
TEST(FormatterTest, CustomFormat) {
|
|
EXPECT_EQ("42", format("{0}", Answer()));
|
|
EXPECT_EQ("0042", format("{:04}", Answer()));
|
|
}
|
|
|
|
TEST(FormatterTest, CustomFormatTo) {
|
|
char buf[10] = {};
|
|
auto end =
|
|
&*fmt::format_to(fmt::internal::make_checked(buf, 10), "{}", Answer());
|
|
EXPECT_EQ(end, buf + 2);
|
|
EXPECT_STREQ(buf, "42");
|
|
}
|
|
|
|
TEST(FormatterTest, WideFormatString) {
|
|
EXPECT_EQ(L"42", format(L"{}", 42));
|
|
EXPECT_EQ(L"4.2", format(L"{}", 4.2));
|
|
EXPECT_EQ(L"abc", format(L"{}", L"abc"));
|
|
EXPECT_EQ(L"z", format(L"{}", L'z'));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatStringFromSpeedTest) {
|
|
EXPECT_EQ("1.2340000000:0042:+3.13:str:0x3e8:X:%",
|
|
format("{0:0.10f}:{1:04}:{2:+g}:{3}:{4}:{5}:%", 1.234, 42, 3.13,
|
|
"str", reinterpret_cast<void*>(1000), 'X'));
|
|
}
|
|
|
|
TEST(FormatterTest, FormatExamples) {
|
|
std::string message = format("The answer is {}", 42);
|
|
EXPECT_EQ("The answer is 42", message);
|
|
|
|
EXPECT_EQ("42", format("{}", 42));
|
|
EXPECT_EQ("42", format(std::string("{}"), 42));
|
|
|
|
memory_buffer out;
|
|
format_to(out, "The answer is {}.", 42);
|
|
EXPECT_EQ("The answer is 42.", to_string(out));
|
|
|
|
const char* filename = "nonexistent";
|
|
FILE* ftest = safe_fopen(filename, "r");
|
|
if (ftest) fclose(ftest);
|
|
int error_code = errno;
|
|
EXPECT_TRUE(ftest == nullptr);
|
|
EXPECT_SYSTEM_ERROR(
|
|
{
|
|
FILE* f = safe_fopen(filename, "r");
|
|
if (!f)
|
|
throw fmt::system_error(errno, "Cannot open file '{}'", filename);
|
|
fclose(f);
|
|
},
|
|
error_code, "Cannot open file 'nonexistent'");
|
|
}
|
|
|
|
TEST(FormatterTest, Examples) {
|
|
EXPECT_EQ("First, thou shalt count to three",
|
|
format("First, thou shalt count to {0}", "three"));
|
|
EXPECT_EQ("Bring me a shrubbery", format("Bring me a {}", "shrubbery"));
|
|
EXPECT_EQ("From 1 to 3", format("From {} to {}", 1, 3));
|
|
|
|
char buffer[BUFFER_SIZE];
|
|
safe_sprintf(buffer, "%03.2f", -1.2);
|
|
EXPECT_EQ(buffer, format("{:03.2f}", -1.2));
|
|
|
|
EXPECT_EQ("a, b, c", format("{0}, {1}, {2}", 'a', 'b', 'c'));
|
|
EXPECT_EQ("a, b, c", format("{}, {}, {}", 'a', 'b', 'c'));
|
|
EXPECT_EQ("c, b, a", format("{2}, {1}, {0}", 'a', 'b', 'c'));
|
|
EXPECT_EQ("abracadabra", format("{0}{1}{0}", "abra", "cad"));
|
|
|
|
EXPECT_EQ("left aligned ", format("{:<30}", "left aligned"));
|
|
EXPECT_EQ(" right aligned",
|
|
format("{:>30}", "right aligned"));
|
|
EXPECT_EQ(" centered ", format("{:^30}", "centered"));
|
|
EXPECT_EQ("***********centered***********", format("{:*^30}", "centered"));
|
|
|
|
EXPECT_EQ("+3.140000; -3.140000", format("{:+f}; {:+f}", 3.14, -3.14));
|
|
EXPECT_EQ(" 3.140000; -3.140000", format("{: f}; {: f}", 3.14, -3.14));
|
|
EXPECT_EQ("3.140000; -3.140000", format("{:-f}; {:-f}", 3.14, -3.14));
|
|
|
|
EXPECT_EQ("int: 42; hex: 2a; oct: 52",
|
|
format("int: {0:d}; hex: {0:x}; oct: {0:o}", 42));
|
|
EXPECT_EQ("int: 42; hex: 0x2a; oct: 052",
|
|
format("int: {0:d}; hex: {0:#x}; oct: {0:#o}", 42));
|
|
|
|
EXPECT_EQ("The answer is 42", format("The answer is {}", 42));
|
|
EXPECT_THROW_MSG(format("The answer is {:d}", "forty-two"), format_error,
|
|
"invalid type specifier");
|
|
|
|
EXPECT_EQ(L"Cyrillic letter \x42e", format(L"Cyrillic letter {}", L'\x42e'));
|
|
|
|
EXPECT_WRITE(
|
|
stdout, fmt::print("{}", std::numeric_limits<double>::infinity()), "inf");
|
|
}
|
|
|
|
TEST(FormatIntTest, Data) {
|
|
fmt::format_int format_int(42);
|
|
EXPECT_EQ("42", std::string(format_int.data(), format_int.size()));
|
|
}
|
|
|
|
TEST(FormatIntTest, FormatInt) {
|
|
EXPECT_EQ("42", fmt::format_int(42).str());
|
|
EXPECT_EQ(2u, fmt::format_int(42).size());
|
|
EXPECT_EQ("-42", fmt::format_int(-42).str());
|
|
EXPECT_EQ(3u, fmt::format_int(-42).size());
|
|
EXPECT_EQ("42", fmt::format_int(42ul).str());
|
|
EXPECT_EQ("-42", fmt::format_int(-42l).str());
|
|
EXPECT_EQ("42", fmt::format_int(42ull).str());
|
|
EXPECT_EQ("-42", fmt::format_int(-42ll).str());
|
|
std::ostringstream os;
|
|
os << max_value<int64_t>();
|
|
EXPECT_EQ(os.str(), fmt::format_int(max_value<int64_t>()).str());
|
|
}
|
|
|
|
TEST(FormatTest, Print) {
|
|
#if FMT_USE_FCNTL
|
|
EXPECT_WRITE(stdout, fmt::print("Don't {}!", "panic"), "Don't panic!");
|
|
EXPECT_WRITE(stderr, fmt::print(stderr, "Don't {}!", "panic"),
|
|
"Don't panic!");
|
|
#endif
|
|
// Check that the wide print overload compiles.
|
|
if (fmt::internal::const_check(false)) fmt::print(L"test");
|
|
}
|
|
|
|
TEST(FormatTest, Variadic) {
|
|
EXPECT_EQ("abc1", format("{}c{}", "ab", 1));
|
|
EXPECT_EQ(L"abc1", format(L"{}c{}", L"ab", 1));
|
|
}
|
|
|
|
TEST(FormatTest, Dynamic) {
|
|
typedef fmt::format_context ctx;
|
|
std::vector<fmt::basic_format_arg<ctx>> args;
|
|
args.emplace_back(fmt::internal::make_arg<ctx>(42));
|
|
args.emplace_back(fmt::internal::make_arg<ctx>("abc1"));
|
|
args.emplace_back(fmt::internal::make_arg<ctx>(1.5f));
|
|
|
|
std::string result = fmt::vformat(
|
|
"{} and {} and {}",
|
|
fmt::basic_format_args<ctx>(args.data(), static_cast<int>(args.size())));
|
|
|
|
EXPECT_EQ("42 and abc1 and 1.5", result);
|
|
}
|
|
|
|
TEST(FormatTest, Bytes) {
|
|
auto s = fmt::format("{:10}", fmt::bytes("ёжик"));
|
|
EXPECT_EQ("ёжик ", s);
|
|
EXPECT_EQ(10, s.size());
|
|
}
|
|
|
|
TEST(FormatTest, JoinArg) {
|
|
using fmt::join;
|
|
int v1[3] = {1, 2, 3};
|
|
std::vector<float> v2;
|
|
v2.push_back(1.2f);
|
|
v2.push_back(3.4f);
|
|
void* v3[2] = {&v1[0], &v1[1]};
|
|
|
|
EXPECT_EQ("(1, 2, 3)", format("({})", join(v1, v1 + 3, ", ")));
|
|
EXPECT_EQ("(1)", format("({})", join(v1, v1 + 1, ", ")));
|
|
EXPECT_EQ("()", format("({})", join(v1, v1, ", ")));
|
|
EXPECT_EQ("(001, 002, 003)", format("({:03})", join(v1, v1 + 3, ", ")));
|
|
EXPECT_EQ("(+01.20, +03.40)",
|
|
format("({:+06.2f})", join(v2.begin(), v2.end(), ", ")));
|
|
|
|
EXPECT_EQ(L"(1, 2, 3)", format(L"({})", join(v1, v1 + 3, L", ")));
|
|
EXPECT_EQ("1, 2, 3", format("{0:{1}}", join(v1, v1 + 3, ", "), 1));
|
|
|
|
EXPECT_EQ(format("{}, {}", v3[0], v3[1]),
|
|
format("{}", join(v3, v3 + 2, ", ")));
|
|
|
|
#if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 405
|
|
EXPECT_EQ("(1, 2, 3)", format("({})", join(v1, ", ")));
|
|
EXPECT_EQ("(+01.20, +03.40)", format("({:+06.2f})", join(v2, ", ")));
|
|
#endif
|
|
}
|
|
|
|
template <typename T> std::string str(const T& value) {
|
|
return fmt::format("{}", value);
|
|
}
|
|
|
|
TEST(StrTest, Convert) {
|
|
EXPECT_EQ("42", str(42));
|
|
std::string s = str(Date(2012, 12, 9));
|
|
EXPECT_EQ("2012-12-9", s);
|
|
}
|
|
|
|
std::string vformat_message(int id, const char* format, fmt::format_args args) {
|
|
fmt::memory_buffer buffer;
|
|
format_to(buffer, "[{}] ", id);
|
|
vformat_to(buffer, format, args);
|
|
return to_string(buffer);
|
|
}
|
|
|
|
template <typename... Args>
|
|
std::string format_message(int id, const char* format, const Args&... args) {
|
|
auto va = fmt::make_format_args(args...);
|
|
return vformat_message(id, format, va);
|
|
}
|
|
|
|
TEST(FormatTest, FormatMessageExample) {
|
|
EXPECT_EQ("[42] something happened",
|
|
format_message(42, "{} happened", "something"));
|
|
}
|
|
|
|
template <typename... Args>
|
|
void print_error(const char* file, int line, const char* format,
|
|
const Args&... args) {
|
|
fmt::print("{}: {}: ", file, line);
|
|
fmt::print(format, args...);
|
|
}
|
|
|
|
TEST(FormatTest, UnpackedArgs) {
|
|
EXPECT_EQ("0123456789abcdefg",
|
|
fmt::format("{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}{}", 0, 1, 2, 3, 4, 5,
|
|
6, 7, 8, 9, 'a', 'b', 'c', 'd', 'e', 'f', 'g'));
|
|
}
|
|
|
|
struct string_like {};
|
|
fmt::string_view to_string_view(string_like) { return "foo"; }
|
|
|
|
constexpr char with_null[3] = {'{', '}', '\0'};
|
|
constexpr char no_null[2] = {'{', '}'};
|
|
|
|
TEST(FormatTest, CompileTimeString) {
|
|
EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), 42));
|
|
EXPECT_EQ(L"42", fmt::format(FMT_STRING(L"{}"), 42));
|
|
EXPECT_EQ("foo", fmt::format(FMT_STRING("{}"), string_like()));
|
|
(void)with_null;
|
|
(void)no_null;
|
|
#if __cplusplus >= 201703L
|
|
EXPECT_EQ("42", fmt::format(FMT_STRING(with_null), 42));
|
|
EXPECT_EQ("42", fmt::format(FMT_STRING(no_null), 42));
|
|
#endif
|
|
#if defined(FMT_USE_STRING_VIEW) && __cplusplus >= 201703L
|
|
EXPECT_EQ("42", fmt::format(FMT_STRING(std::string_view("{}")), 42));
|
|
EXPECT_EQ(L"42", fmt::format(FMT_STRING(std::wstring_view(L"{}")), 42));
|
|
#endif
|
|
}
|
|
|
|
TEST(FormatTest, CustomFormatCompileTimeString) {
|
|
EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), Answer()));
|
|
Answer answer;
|
|
EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), answer));
|
|
char buf[10] = {};
|
|
fmt::format_to(buf, FMT_STRING("{}"), answer);
|
|
const Answer const_answer = Answer();
|
|
EXPECT_EQ("42", fmt::format(FMT_STRING("{}"), const_answer));
|
|
}
|
|
|
|
#if FMT_USE_USER_DEFINED_LITERALS
|
|
// Passing user-defined literals directly to EXPECT_EQ causes problems
|
|
// with macro argument stringification (#) on some versions of GCC.
|
|
// Workaround: Assing the UDL result to a variable before the macro.
|
|
|
|
using namespace fmt::literals;
|
|
|
|
TEST(LiteralsTest, Format) {
|
|
auto udl_format = "{}c{}"_format("ab", 1);
|
|
EXPECT_EQ(format("{}c{}", "ab", 1), udl_format);
|
|
auto udl_format_w = L"{}c{}"_format(L"ab", 1);
|
|
EXPECT_EQ(format(L"{}c{}", L"ab", 1), udl_format_w);
|
|
}
|
|
|
|
TEST(LiteralsTest, NamedArg) {
|
|
auto udl_a = format("{first}{second}{first}{third}", "first"_a = "abra",
|
|
"second"_a = "cad", "third"_a = 99);
|
|
EXPECT_EQ(format("{first}{second}{first}{third}", fmt::arg("first", "abra"),
|
|
fmt::arg("second", "cad"), fmt::arg("third", 99)),
|
|
udl_a);
|
|
auto udl_a_w = format(L"{first}{second}{first}{third}", L"first"_a = L"abra",
|
|
L"second"_a = L"cad", L"third"_a = 99);
|
|
EXPECT_EQ(
|
|
format(L"{first}{second}{first}{third}", fmt::arg(L"first", L"abra"),
|
|
fmt::arg(L"second", L"cad"), fmt::arg(L"third", 99)),
|
|
udl_a_w);
|
|
}
|
|
|
|
TEST(FormatTest, UdlTemplate) {
|
|
EXPECT_EQ("foo", "foo"_format());
|
|
EXPECT_EQ(" 42", "{0:10}"_format(42));
|
|
}
|
|
|
|
TEST(FormatTest, UdlPassUserDefinedObjectAsLvalue) {
|
|
Date date(2015, 10, 21);
|
|
EXPECT_EQ("2015-10-21", "{}"_format(date));
|
|
}
|
|
#endif // FMT_USE_USER_DEFINED_LITERALS
|
|
|
|
enum TestEnum { A };
|
|
|
|
TEST(FormatTest, Enum) { EXPECT_EQ("0", fmt::format("{}", A)); }
|
|
|
|
TEST(FormatTest, FormatterNotSpecialized) {
|
|
static_assert(
|
|
!fmt::has_formatter<fmt::formatter<TestEnum>, fmt::format_context>::value,
|
|
"");
|
|
}
|
|
|
|
#if FMT_HAS_FEATURE(cxx_strong_enums)
|
|
enum big_enum : unsigned long long { big_enum_value = 5000000000ULL };
|
|
|
|
TEST(FormatTest, StrongEnum) {
|
|
EXPECT_EQ("5000000000", fmt::format("{}", big_enum_value));
|
|
}
|
|
#endif
|
|
|
|
using buffer_range = fmt::buffer_range<char>;
|
|
|
|
class mock_arg_formatter
|
|
: public fmt::internal::arg_formatter_base<buffer_range> {
|
|
private:
|
|
#if FMT_USE_INT128
|
|
MOCK_METHOD1(call, void(__int128_t value));
|
|
#else
|
|
MOCK_METHOD1(call, void(long long value));
|
|
#endif
|
|
|
|
public:
|
|
typedef fmt::internal::arg_formatter_base<buffer_range> base;
|
|
typedef buffer_range range;
|
|
|
|
mock_arg_formatter(fmt::format_context& ctx, fmt::format_parse_context*,
|
|
fmt::format_specs* s = nullptr)
|
|
: base(fmt::internal::get_container(ctx.out()), s, ctx.locale()) {
|
|
EXPECT_CALL(*this, call(42));
|
|
}
|
|
|
|
template <typename T>
|
|
typename std::enable_if<fmt::internal::is_integral<T>::value, iterator>::type
|
|
operator()(T value) {
|
|
call(value);
|
|
return base::operator()(value);
|
|
}
|
|
|
|
template <typename T>
|
|
typename std::enable_if<!fmt::internal::is_integral<T>::value, iterator>::type
|
|
operator()(T value) {
|
|
return base::operator()(value);
|
|
}
|
|
|
|
iterator operator()(fmt::basic_format_arg<fmt::format_context>::handle) {
|
|
return base::operator()(fmt::monostate());
|
|
}
|
|
};
|
|
|
|
static void custom_vformat(fmt::string_view format_str, fmt::format_args args) {
|
|
fmt::memory_buffer buffer;
|
|
fmt::vformat_to<mock_arg_formatter>(buffer, format_str, args);
|
|
}
|
|
|
|
template <typename... Args>
|
|
void custom_format(const char* format_str, const Args&... args) {
|
|
auto va = fmt::make_format_args(args...);
|
|
return custom_vformat(format_str, va);
|
|
}
|
|
|
|
TEST(FormatTest, CustomArgFormatter) { custom_format("{}", 42); }
|
|
|
|
TEST(FormatTest, NonNullTerminatedFormatString) {
|
|
EXPECT_EQ("42", format(string_view("{}foo", 2), 42));
|
|
}
|
|
|
|
struct variant {
|
|
enum { INT, STRING } type;
|
|
explicit variant(int) : type(INT) {}
|
|
explicit variant(const char*) : type(STRING) {}
|
|
};
|
|
|
|
FMT_BEGIN_NAMESPACE
|
|
template <> struct formatter<variant> : dynamic_formatter<> {
|
|
auto format(variant value, format_context& ctx) -> decltype(ctx.out()) {
|
|
if (value.type == variant::INT) return dynamic_formatter<>::format(42, ctx);
|
|
return dynamic_formatter<>::format("foo", ctx);
|
|
}
|
|
};
|
|
FMT_END_NAMESPACE
|
|
|
|
TEST(FormatTest, DynamicFormatter) {
|
|
auto num = variant(42);
|
|
auto str = variant("foo");
|
|
EXPECT_EQ("42", format("{:d}", num));
|
|
EXPECT_EQ("foo", format("{:s}", str));
|
|
EXPECT_EQ(" 42 foo ", format("{:{}} {:{}}", num, 3, str, 4));
|
|
EXPECT_THROW_MSG(format("{0:{}}", num), format_error,
|
|
"cannot switch from manual to automatic argument indexing");
|
|
EXPECT_THROW_MSG(format("{:{0}}", num), format_error,
|
|
"cannot switch from automatic to manual argument indexing");
|
|
#if FMT_NUMERIC_ALIGN
|
|
EXPECT_THROW_MSG(format("{:=}", str), format_error,
|
|
"format specifier requires numeric argument");
|
|
#endif
|
|
EXPECT_THROW_MSG(format("{:+}", str), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{:-}", str), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{: }", str), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{:#}", str), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{:0}", str), format_error,
|
|
"format specifier requires numeric argument");
|
|
EXPECT_THROW_MSG(format("{:.2}", num), format_error,
|
|
"precision not allowed for this argument type");
|
|
}
|
|
|
|
TEST(FormatTest, ToString) {
|
|
EXPECT_EQ("42", fmt::to_string(42));
|
|
EXPECT_EQ("0x1234", fmt::to_string(reinterpret_cast<void*>(0x1234)));
|
|
}
|
|
|
|
TEST(FormatTest, ToWString) { EXPECT_EQ(L"42", fmt::to_wstring(42)); }
|
|
|
|
TEST(FormatTest, OutputIterators) {
|
|
std::list<char> out;
|
|
fmt::format_to(std::back_inserter(out), "{}", 42);
|
|
EXPECT_EQ("42", std::string(out.begin(), out.end()));
|
|
std::stringstream s;
|
|
fmt::format_to(std::ostream_iterator<char>(s), "{}", 42);
|
|
EXPECT_EQ("42", s.str());
|
|
}
|
|
|
|
TEST(FormatTest, FormattedSize) {
|
|
EXPECT_EQ(2u, fmt::formatted_size("{}", 42));
|
|
}
|
|
|
|
TEST(FormatTest, FormatToN) {
|
|
char buffer[4];
|
|
buffer[3] = 'x';
|
|
auto result = fmt::format_to_n(buffer, 3, "{}", 12345);
|
|
EXPECT_EQ(5u, result.size);
|
|
EXPECT_EQ(buffer + 3, result.out);
|
|
EXPECT_EQ("123x", fmt::string_view(buffer, 4));
|
|
result = fmt::format_to_n(buffer, 3, "{:s}", "foobar");
|
|
EXPECT_EQ(6u, result.size);
|
|
EXPECT_EQ(buffer + 3, result.out);
|
|
EXPECT_EQ("foox", fmt::string_view(buffer, 4));
|
|
buffer[0] = 'x';
|
|
buffer[1] = 'x';
|
|
buffer[2] = 'x';
|
|
result = fmt::format_to_n(buffer, 3, "{}", 'A');
|
|
EXPECT_EQ(1u, result.size);
|
|
EXPECT_EQ(buffer + 1, result.out);
|
|
EXPECT_EQ("Axxx", fmt::string_view(buffer, 4));
|
|
result = fmt::format_to_n(buffer, 3, "{}{} ", 'B', 'C');
|
|
EXPECT_EQ(3u, result.size);
|
|
EXPECT_EQ(buffer + 3, result.out);
|
|
EXPECT_EQ("BC x", fmt::string_view(buffer, 4));
|
|
}
|
|
|
|
TEST(FormatTest, WideFormatToN) {
|
|
wchar_t buffer[4];
|
|
buffer[3] = L'x';
|
|
auto result = fmt::format_to_n(buffer, 3, L"{}", 12345);
|
|
EXPECT_EQ(5u, result.size);
|
|
EXPECT_EQ(buffer + 3, result.out);
|
|
EXPECT_EQ(L"123x", fmt::wstring_view(buffer, 4));
|
|
buffer[0] = L'x';
|
|
buffer[1] = L'x';
|
|
buffer[2] = L'x';
|
|
result = fmt::format_to_n(buffer, 3, L"{}", L'A');
|
|
EXPECT_EQ(1u, result.size);
|
|
EXPECT_EQ(buffer + 1, result.out);
|
|
EXPECT_EQ(L"Axxx", fmt::wstring_view(buffer, 4));
|
|
result = fmt::format_to_n(buffer, 3, L"{}{} ", L'B', L'C');
|
|
EXPECT_EQ(3u, result.size);
|
|
EXPECT_EQ(buffer + 3, result.out);
|
|
EXPECT_EQ(L"BC x", fmt::wstring_view(buffer, 4));
|
|
}
|
|
|
|
struct test_output_iterator {
|
|
char* data;
|
|
|
|
using iterator_category = std::output_iterator_tag;
|
|
using value_type = void;
|
|
using difference_type = void;
|
|
using pointer = void;
|
|
using reference = void;
|
|
|
|
test_output_iterator& operator++() {
|
|
++data;
|
|
return *this;
|
|
}
|
|
test_output_iterator operator++(int) {
|
|
auto tmp = *this;
|
|
++data;
|
|
return tmp;
|
|
}
|
|
char& operator*() { return *data; }
|
|
};
|
|
|
|
TEST(FormatTest, FormatToNOutputIterator) {
|
|
char buf[10] = {};
|
|
fmt::format_to_n(test_output_iterator{buf}, 10, "{}", 42);
|
|
EXPECT_STREQ(buf, "42");
|
|
}
|
|
|
|
#if FMT_USE_CONSTEXPR
|
|
struct test_arg_id_handler {
|
|
enum result { NONE, EMPTY, INDEX, NAME, ERROR };
|
|
result res = NONE;
|
|
int index = 0;
|
|
string_view name;
|
|
|
|
FMT_CONSTEXPR void operator()() { res = EMPTY; }
|
|
|
|
FMT_CONSTEXPR void operator()(int i) {
|
|
res = INDEX;
|
|
index = i;
|
|
}
|
|
|
|
FMT_CONSTEXPR void operator()(string_view n) {
|
|
res = NAME;
|
|
name = n;
|
|
}
|
|
|
|
FMT_CONSTEXPR void on_error(const char*) { res = ERROR; }
|
|
};
|
|
|
|
template <size_t N>
|
|
FMT_CONSTEXPR test_arg_id_handler parse_arg_id(const char (&s)[N]) {
|
|
test_arg_id_handler h;
|
|
fmt::internal::parse_arg_id(s, s + N, h);
|
|
return h;
|
|
}
|
|
|
|
TEST(FormatTest, ConstexprParseArgID) {
|
|
static_assert(parse_arg_id(":").res == test_arg_id_handler::EMPTY, "");
|
|
static_assert(parse_arg_id("}").res == test_arg_id_handler::EMPTY, "");
|
|
static_assert(parse_arg_id("42:").res == test_arg_id_handler::INDEX, "");
|
|
static_assert(parse_arg_id("42:").index == 42, "");
|
|
static_assert(parse_arg_id("foo:").res == test_arg_id_handler::NAME, "");
|
|
static_assert(parse_arg_id("foo:").name.size() == 3, "");
|
|
static_assert(parse_arg_id("!").res == test_arg_id_handler::ERROR, "");
|
|
}
|
|
|
|
struct test_format_specs_handler {
|
|
enum Result { NONE, PLUS, MINUS, SPACE, HASH, ZERO, ERROR };
|
|
Result res = NONE;
|
|
|
|
fmt::align_t align = fmt::align::none;
|
|
char fill = 0;
|
|
int width = 0;
|
|
fmt::internal::arg_ref<char> width_ref;
|
|
int precision = 0;
|
|
fmt::internal::arg_ref<char> precision_ref;
|
|
char type = 0;
|
|
|
|
// Workaround for MSVC2017 bug that results in "expression did not evaluate
|
|
// to a constant" with compiler-generated copy ctor.
|
|
FMT_CONSTEXPR test_format_specs_handler() {}
|
|
FMT_CONSTEXPR test_format_specs_handler(
|
|
const test_format_specs_handler& other)
|
|
: res(other.res),
|
|
align(other.align),
|
|
fill(other.fill),
|
|
width(other.width),
|
|
width_ref(other.width_ref),
|
|
precision(other.precision),
|
|
precision_ref(other.precision_ref),
|
|
type(other.type) {}
|
|
|
|
FMT_CONSTEXPR void on_align(fmt::align_t a) { align = a; }
|
|
FMT_CONSTEXPR void on_fill(fmt::string_view f) { fill = f[0]; }
|
|
FMT_CONSTEXPR void on_plus() { res = PLUS; }
|
|
FMT_CONSTEXPR void on_minus() { res = MINUS; }
|
|
FMT_CONSTEXPR void on_space() { res = SPACE; }
|
|
FMT_CONSTEXPR void on_hash() { res = HASH; }
|
|
FMT_CONSTEXPR void on_zero() { res = ZERO; }
|
|
|
|
FMT_CONSTEXPR void on_width(int w) { width = w; }
|
|
FMT_CONSTEXPR void on_dynamic_width(fmt::internal::auto_id) {}
|
|
FMT_CONSTEXPR void on_dynamic_width(int index) { width_ref = index; }
|
|
FMT_CONSTEXPR void on_dynamic_width(string_view) {}
|
|
|
|
FMT_CONSTEXPR void on_precision(int p) { precision = p; }
|
|
FMT_CONSTEXPR void on_dynamic_precision(fmt::internal::auto_id) {}
|
|
FMT_CONSTEXPR void on_dynamic_precision(int index) { precision_ref = index; }
|
|
FMT_CONSTEXPR void on_dynamic_precision(string_view) {}
|
|
|
|
FMT_CONSTEXPR void end_precision() {}
|
|
FMT_CONSTEXPR void on_type(char t) { type = t; }
|
|
FMT_CONSTEXPR void on_error(const char*) { res = ERROR; }
|
|
};
|
|
|
|
template <size_t N>
|
|
FMT_CONSTEXPR test_format_specs_handler parse_test_specs(const char (&s)[N]) {
|
|
test_format_specs_handler h;
|
|
fmt::internal::parse_format_specs(s, s + N, h);
|
|
return h;
|
|
}
|
|
|
|
TEST(FormatTest, ConstexprParseFormatSpecs) {
|
|
typedef test_format_specs_handler handler;
|
|
static_assert(parse_test_specs("<").align == fmt::align::left, "");
|
|
static_assert(parse_test_specs("*^").fill == '*', "");
|
|
static_assert(parse_test_specs("+").res == handler::PLUS, "");
|
|
static_assert(parse_test_specs("-").res == handler::MINUS, "");
|
|
static_assert(parse_test_specs(" ").res == handler::SPACE, "");
|
|
static_assert(parse_test_specs("#").res == handler::HASH, "");
|
|
static_assert(parse_test_specs("0").res == handler::ZERO, "");
|
|
static_assert(parse_test_specs("42").width == 42, "");
|
|
static_assert(parse_test_specs("{42}").width_ref.val.index == 42, "");
|
|
static_assert(parse_test_specs(".42").precision == 42, "");
|
|
static_assert(parse_test_specs(".{42}").precision_ref.val.index == 42, "");
|
|
static_assert(parse_test_specs("d").type == 'd', "");
|
|
static_assert(parse_test_specs("{<").res == handler::ERROR, "");
|
|
}
|
|
|
|
struct test_parse_context {
|
|
typedef char char_type;
|
|
|
|
FMT_CONSTEXPR int next_arg_id() { return 11; }
|
|
template <typename Id> FMT_CONSTEXPR void check_arg_id(Id) {}
|
|
|
|
FMT_CONSTEXPR const char* begin() { return nullptr; }
|
|
FMT_CONSTEXPR const char* end() { return nullptr; }
|
|
|
|
void on_error(const char*) {}
|
|
};
|
|
|
|
struct test_context {
|
|
typedef char char_type;
|
|
typedef fmt::basic_format_arg<test_context> format_arg;
|
|
|
|
template <typename T> struct formatter_type {
|
|
typedef fmt::formatter<T, char_type> type;
|
|
};
|
|
|
|
template <typename Id>
|
|
FMT_CONSTEXPR fmt::basic_format_arg<test_context> arg(Id id) {
|
|
return fmt::internal::make_arg<test_context>(id);
|
|
}
|
|
|
|
void on_error(const char*) {}
|
|
|
|
FMT_CONSTEXPR test_context error_handler() { return *this; }
|
|
};
|
|
|
|
template <size_t N>
|
|
FMT_CONSTEXPR fmt::format_specs parse_specs(const char (&s)[N]) {
|
|
auto specs = fmt::format_specs();
|
|
auto parse_ctx = test_parse_context();
|
|
auto ctx = test_context();
|
|
fmt::internal::specs_handler<test_parse_context, test_context> h(
|
|
specs, parse_ctx, ctx);
|
|
parse_format_specs(s, s + N, h);
|
|
return specs;
|
|
}
|
|
|
|
TEST(FormatTest, ConstexprSpecsHandler) {
|
|
static_assert(parse_specs("<").align == fmt::align::left, "");
|
|
static_assert(parse_specs("*^").fill[0] == '*', "");
|
|
static_assert(parse_specs("+").sign == fmt::sign::plus, "");
|
|
static_assert(parse_specs("-").sign == fmt::sign::minus, "");
|
|
static_assert(parse_specs(" ").sign == fmt::sign::space, "");
|
|
static_assert(parse_specs("#").alt, "");
|
|
static_assert(parse_specs("0").align == fmt::align::numeric, "");
|
|
static_assert(parse_specs("42").width == 42, "");
|
|
static_assert(parse_specs("{}").width == 11, "");
|
|
static_assert(parse_specs("{22}").width == 22, "");
|
|
static_assert(parse_specs(".42").precision == 42, "");
|
|
static_assert(parse_specs(".{}").precision == 11, "");
|
|
static_assert(parse_specs(".{22}").precision == 22, "");
|
|
static_assert(parse_specs("d").type == 'd', "");
|
|
}
|
|
|
|
template <size_t N>
|
|
FMT_CONSTEXPR fmt::internal::dynamic_format_specs<char> parse_dynamic_specs(
|
|
const char (&s)[N]) {
|
|
fmt::internal::dynamic_format_specs<char> specs;
|
|
test_parse_context ctx{};
|
|
fmt::internal::dynamic_specs_handler<test_parse_context> h(specs, ctx);
|
|
parse_format_specs(s, s + N, h);
|
|
return specs;
|
|
}
|
|
|
|
TEST(FormatTest, ConstexprDynamicSpecsHandler) {
|
|
static_assert(parse_dynamic_specs("<").align == fmt::align::left, "");
|
|
static_assert(parse_dynamic_specs("*^").fill[0] == '*', "");
|
|
static_assert(parse_dynamic_specs("+").sign == fmt::sign::plus, "");
|
|
static_assert(parse_dynamic_specs("-").sign == fmt::sign::minus, "");
|
|
static_assert(parse_dynamic_specs(" ").sign == fmt::sign::space, "");
|
|
static_assert(parse_dynamic_specs("#").alt, "");
|
|
static_assert(parse_dynamic_specs("0").align == fmt::align::numeric, "");
|
|
static_assert(parse_dynamic_specs("42").width == 42, "");
|
|
static_assert(parse_dynamic_specs("{}").width_ref.val.index == 11, "");
|
|
static_assert(parse_dynamic_specs("{42}").width_ref.val.index == 42, "");
|
|
static_assert(parse_dynamic_specs(".42").precision == 42, "");
|
|
static_assert(parse_dynamic_specs(".{}").precision_ref.val.index == 11, "");
|
|
static_assert(parse_dynamic_specs(".{42}").precision_ref.val.index == 42, "");
|
|
static_assert(parse_dynamic_specs("d").type == 'd', "");
|
|
}
|
|
|
|
template <size_t N>
|
|
FMT_CONSTEXPR test_format_specs_handler check_specs(const char (&s)[N]) {
|
|
fmt::internal::specs_checker<test_format_specs_handler> checker(
|
|
test_format_specs_handler(), fmt::internal::type::double_type);
|
|
parse_format_specs(s, s + N, checker);
|
|
return checker;
|
|
}
|
|
|
|
TEST(FormatTest, ConstexprSpecsChecker) {
|
|
typedef test_format_specs_handler handler;
|
|
static_assert(check_specs("<").align == fmt::align::left, "");
|
|
static_assert(check_specs("*^").fill == '*', "");
|
|
static_assert(check_specs("+").res == handler::PLUS, "");
|
|
static_assert(check_specs("-").res == handler::MINUS, "");
|
|
static_assert(check_specs(" ").res == handler::SPACE, "");
|
|
static_assert(check_specs("#").res == handler::HASH, "");
|
|
static_assert(check_specs("0").res == handler::ZERO, "");
|
|
static_assert(check_specs("42").width == 42, "");
|
|
static_assert(check_specs("{42}").width_ref.val.index == 42, "");
|
|
static_assert(check_specs(".42").precision == 42, "");
|
|
static_assert(check_specs(".{42}").precision_ref.val.index == 42, "");
|
|
static_assert(check_specs("d").type == 'd', "");
|
|
static_assert(check_specs("{<").res == handler::ERROR, "");
|
|
}
|
|
|
|
struct test_format_string_handler {
|
|
FMT_CONSTEXPR void on_text(const char*, const char*) {}
|
|
|
|
FMT_CONSTEXPR void on_arg_id() {}
|
|
|
|
template <typename T> FMT_CONSTEXPR void on_arg_id(T) {}
|
|
|
|
FMT_CONSTEXPR void on_replacement_field(const char*) {}
|
|
|
|
FMT_CONSTEXPR const char* on_format_specs(const char* begin, const char*) {
|
|
return begin;
|
|
}
|
|
|
|
FMT_CONSTEXPR void on_error(const char*) { error = true; }
|
|
|
|
bool error = false;
|
|
};
|
|
|
|
template <size_t N> FMT_CONSTEXPR bool parse_string(const char (&s)[N]) {
|
|
test_format_string_handler h;
|
|
fmt::internal::parse_format_string<true>(fmt::string_view(s, N - 1), h);
|
|
return !h.error;
|
|
}
|
|
|
|
TEST(FormatTest, ConstexprParseFormatString) {
|
|
static_assert(parse_string("foo"), "");
|
|
static_assert(!parse_string("}"), "");
|
|
static_assert(parse_string("{}"), "");
|
|
static_assert(parse_string("{42}"), "");
|
|
static_assert(parse_string("{foo}"), "");
|
|
static_assert(parse_string("{:}"), "");
|
|
}
|
|
|
|
struct test_error_handler {
|
|
const char*& error;
|
|
|
|
FMT_CONSTEXPR test_error_handler(const char*& err) : error(err) {}
|
|
|
|
FMT_CONSTEXPR test_error_handler(const test_error_handler& other)
|
|
: error(other.error) {}
|
|
|
|
FMT_CONSTEXPR void on_error(const char* message) {
|
|
if (!error) error = message;
|
|
}
|
|
};
|
|
|
|
FMT_CONSTEXPR size_t len(const char* s) {
|
|
size_t len = 0;
|
|
while (*s++) ++len;
|
|
return len;
|
|
}
|
|
|
|
FMT_CONSTEXPR bool equal(const char* s1, const char* s2) {
|
|
if (!s1 || !s2) return s1 == s2;
|
|
while (*s1 && *s1 == *s2) {
|
|
++s1;
|
|
++s2;
|
|
}
|
|
return *s1 == *s2;
|
|
}
|
|
|
|
template <typename... Args>
|
|
FMT_CONSTEXPR bool test_error(const char* fmt, const char* expected_error) {
|
|
const char* actual_error = nullptr;
|
|
fmt::internal::do_check_format_string<char, test_error_handler, Args...>(
|
|
string_view(fmt, len(fmt)), test_error_handler(actual_error));
|
|
return equal(actual_error, expected_error);
|
|
}
|
|
|
|
# define EXPECT_ERROR_NOARGS(fmt, error) \
|
|
static_assert(test_error(fmt, error), "")
|
|
# define EXPECT_ERROR(fmt, error, ...) \
|
|
static_assert(test_error<__VA_ARGS__>(fmt, error), "")
|
|
|
|
TEST(FormatTest, FormatStringErrors) {
|
|
EXPECT_ERROR_NOARGS("foo", nullptr);
|
|
EXPECT_ERROR_NOARGS("}", "unmatched '}' in format string");
|
|
EXPECT_ERROR("{0:s", "unknown format specifier", Date);
|
|
# if FMT_MSC_VER >= 1916
|
|
// This causes an internal compiler error in MSVC2017.
|
|
EXPECT_ERROR("{:{<}", "invalid fill character '{'", int);
|
|
EXPECT_ERROR("{:10000000000}", "number is too big", int);
|
|
EXPECT_ERROR("{:.10000000000}", "number is too big", int);
|
|
EXPECT_ERROR_NOARGS("{:x}", "argument index out of range");
|
|
# if FMT_NUMERIC_ALIGN
|
|
EXPECT_ERROR("{0:=5", "unknown format specifier", int);
|
|
EXPECT_ERROR("{:=}", "format specifier requires numeric argument",
|
|
const char*);
|
|
# endif
|
|
EXPECT_ERROR("{:+}", "format specifier requires numeric argument",
|
|
const char*);
|
|
EXPECT_ERROR("{:-}", "format specifier requires numeric argument",
|
|
const char*);
|
|
EXPECT_ERROR("{:#}", "format specifier requires numeric argument",
|
|
const char*);
|
|
EXPECT_ERROR("{: }", "format specifier requires numeric argument",
|
|
const char*);
|
|
EXPECT_ERROR("{:0}", "format specifier requires numeric argument",
|
|
const char*);
|
|
EXPECT_ERROR("{:+}", "format specifier requires signed argument", unsigned);
|
|
EXPECT_ERROR("{:-}", "format specifier requires signed argument", unsigned);
|
|
EXPECT_ERROR("{: }", "format specifier requires signed argument", unsigned);
|
|
EXPECT_ERROR("{:.2}", "precision not allowed for this argument type", int);
|
|
EXPECT_ERROR("{:s}", "invalid type specifier", int);
|
|
EXPECT_ERROR("{:s}", "invalid type specifier", bool);
|
|
EXPECT_ERROR("{:s}", "invalid type specifier", char);
|
|
EXPECT_ERROR("{:+}", "invalid format specifier for char", char);
|
|
EXPECT_ERROR("{:s}", "invalid type specifier", double);
|
|
EXPECT_ERROR("{:d}", "invalid type specifier", const char*);
|
|
EXPECT_ERROR("{:d}", "invalid type specifier", std::string);
|
|
EXPECT_ERROR("{:s}", "invalid type specifier", void*);
|
|
# else
|
|
fmt::print("warning: constexpr is broken in this version of MSVC\n");
|
|
# endif
|
|
EXPECT_ERROR("{foo", "compile-time checks don't support named arguments",
|
|
int);
|
|
EXPECT_ERROR_NOARGS("{10000000000}", "number is too big");
|
|
EXPECT_ERROR_NOARGS("{0x}", "invalid format string");
|
|
EXPECT_ERROR_NOARGS("{-}", "invalid format string");
|
|
EXPECT_ERROR("{:{0x}}", "invalid format string", int);
|
|
EXPECT_ERROR("{:{-}}", "invalid format string", int);
|
|
EXPECT_ERROR("{:.{0x}}", "invalid format string", int);
|
|
EXPECT_ERROR("{:.{-}}", "invalid format string", int);
|
|
EXPECT_ERROR("{:.x}", "missing precision specifier", int);
|
|
EXPECT_ERROR_NOARGS("{}", "argument index out of range");
|
|
EXPECT_ERROR("{1}", "argument index out of range", int);
|
|
EXPECT_ERROR("{1}{}",
|
|
"cannot switch from manual to automatic argument indexing", int,
|
|
int);
|
|
EXPECT_ERROR("{}{1}",
|
|
"cannot switch from automatic to manual argument indexing", int,
|
|
int);
|
|
}
|
|
|
|
TEST(FormatTest, VFormatTo) {
|
|
typedef fmt::format_context context;
|
|
fmt::basic_format_arg<context> arg = fmt::internal::make_arg<context>(42);
|
|
fmt::basic_format_args<context> args(&arg, 1);
|
|
std::string s;
|
|
fmt::vformat_to(std::back_inserter(s), "{}", args);
|
|
EXPECT_EQ("42", s);
|
|
s.clear();
|
|
fmt::vformat_to(std::back_inserter(s), FMT_STRING("{}"), args);
|
|
EXPECT_EQ("42", s);
|
|
|
|
typedef fmt::wformat_context wcontext;
|
|
fmt::basic_format_arg<wcontext> warg = fmt::internal::make_arg<wcontext>(42);
|
|
fmt::basic_format_args<wcontext> wargs(&warg, 1);
|
|
std::wstring w;
|
|
fmt::vformat_to(std::back_inserter(w), L"{}", wargs);
|
|
EXPECT_EQ(L"42", w);
|
|
w.clear();
|
|
fmt::vformat_to(std::back_inserter(w), FMT_STRING(L"{}"), wargs);
|
|
EXPECT_EQ(L"42", w);
|
|
}
|
|
|
|
template <typename T> static std::string FmtToString(const T& t) {
|
|
return fmt::format(FMT_STRING("{}"), t);
|
|
}
|
|
|
|
TEST(FormatTest, FmtStringInTemplate) {
|
|
EXPECT_EQ(FmtToString(1), "1");
|
|
EXPECT_EQ(FmtToString(0), "0");
|
|
}
|
|
|
|
#endif // FMT_USE_CONSTEXPR
|
|
|
|
TEST(FormatTest, EmphasisNonHeaderOnly) {
|
|
// Ensure this compiles even if FMT_HEADER_ONLY is not defined.
|
|
EXPECT_EQ(fmt::format(fmt::emphasis::bold, "bold error"),
|
|
"\x1b[1mbold error\x1b[0m");
|
|
}
|
|
|
|
TEST(FormatTest, CharTraitsIsNotAmbiguous) {
|
|
// Test that we don't inject internal names into the std namespace.
|
|
using namespace std;
|
|
char_traits<char>::char_type c;
|
|
(void)c;
|
|
#if __cplusplus >= 201103L
|
|
std::string s;
|
|
auto lval = begin(s);
|
|
(void)lval;
|
|
#endif
|
|
}
|
|
|
|
struct mychar {
|
|
int value;
|
|
mychar() = default;
|
|
|
|
template <typename T> mychar(T val) : value(static_cast<int>(val)) {}
|
|
|
|
operator int() const { return value; }
|
|
};
|
|
|
|
FMT_BEGIN_NAMESPACE
|
|
template <> struct is_char<mychar> : std::true_type {};
|
|
FMT_END_NAMESPACE
|
|
|
|
TEST(FormatTest, FormatCustomChar) {
|
|
const mychar format[] = {'{', '}', 0};
|
|
auto result = fmt::format(format, mychar('x'));
|
|
EXPECT_EQ(result.size(), 1);
|
|
EXPECT_EQ(result[0], mychar('x'));
|
|
}
|
|
|
|
// Convert a char8_t string to std::string. Otherwise GTest will insist on
|
|
// inserting `char8_t` NTBS into a `char` stream which is disabled by P1423.
|
|
template <typename S> std::string from_u8str(const S& str) {
|
|
return std::string(str.begin(), str.end());
|
|
}
|
|
|
|
TEST(FormatTest, FormatUTF8Precision) {
|
|
using str_type = std::basic_string<fmt::internal::char8_type>;
|
|
str_type format(
|
|
reinterpret_cast<const fmt::internal::char8_type*>(u8"{:.4}"));
|
|
str_type str(reinterpret_cast<const fmt::internal::char8_type*>(
|
|
u8"caf\u00e9s")); // cafés
|
|
auto result = fmt::format(format, str);
|
|
EXPECT_EQ(fmt::internal::count_code_points(result), 4);
|
|
EXPECT_EQ(result.size(), 5);
|
|
EXPECT_EQ(from_u8str(result), from_u8str(str.substr(0, 5)));
|
|
}
|