131 lines
4.3 KiB
C++
131 lines
4.3 KiB
C++
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#include <catch2/catch_test_macros.hpp>
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#include <catch2/internal/catch_enforce.hpp>
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#include <catch2/internal/catch_case_insensitive_comparisons.hpp>
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#include <catch2/internal/catch_optional.hpp>
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#include <helpers/type_with_lit_0_comparisons.hpp>
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#if defined(_MSC_VER)
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#pragma warning(push)
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#pragma warning(disable:4702) // unreachable code in the macro expansions
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#endif
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TEST_CASE("Check that our error handling macros throw the right exceptions", "[!throws][internals][approvals]") {
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REQUIRE_THROWS_AS(CATCH_INTERNAL_ERROR(""), std::logic_error);
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REQUIRE_THROWS_AS(CATCH_ERROR(""), std::domain_error);
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REQUIRE_THROWS_AS(CATCH_RUNTIME_ERROR(""), std::runtime_error);
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REQUIRE_THROWS_AS([](){CATCH_ENFORCE(false, "");}(), std::domain_error);
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REQUIRE_NOTHROW([](){CATCH_ENFORCE(true, "");}());
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}
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#if defined(_MSC_VER)
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#pragma warning(pop) // unreachable code in the macro expansions
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#endif
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TEST_CASE("CaseInsensitiveLess is case insensitive", "[comparisons][string-case]") {
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Catch::Detail::CaseInsensitiveLess lt;
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SECTION( "Degenerate cases" ) {
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REQUIRE( lt( "", "a" ) );
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REQUIRE_FALSE( lt( "a", "a" ) );
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REQUIRE_FALSE( lt( "", "" ) );
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}
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SECTION("Plain comparisons") {
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REQUIRE( lt( "a", "b" ) );
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REQUIRE( lt( "a", "B" ) );
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REQUIRE( lt( "A", "b" ) );
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REQUIRE( lt( "A", "B" ) );
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}
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}
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TEST_CASE( "CaseInsensitiveEqualsTo is case insensitive",
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"[comparisons][string-case]" ) {
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Catch::Detail::CaseInsensitiveEqualTo eq;
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SECTION( "Degenerate cases" ) {
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REQUIRE( eq( "", "" ) );
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REQUIRE_FALSE( eq( "", "a" ) );
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}
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SECTION( "Plain comparisons" ) {
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REQUIRE( eq( "a", "a" ) );
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REQUIRE( eq( "a", "A" ) );
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REQUIRE( eq( "A", "a" ) );
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REQUIRE( eq( "A", "A" ) );
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REQUIRE_FALSE( eq( "a", "b" ) );
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REQUIRE_FALSE( eq( "a", "B" ) );
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}
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}
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TEST_CASE("Optional comparison ops", "[optional][approvals]") {
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using Catch::Optional;
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Optional<int> a, b;
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SECTION( "Empty optionals are equal" ) {
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REQUIRE( a == b );
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REQUIRE_FALSE( a != b );
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}
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SECTION( "Empty and non-empty optionals are never equal" ) {
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a = 1;
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REQUIRE_FALSE( a == b );
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REQUIRE( a != b );
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}
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SECTION(
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"non-empty optionals are equal if the contained elements are equal") {
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a = 1;
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b = 2;
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REQUIRE( a != b );
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REQUIRE_FALSE( a == b );
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a = 2;
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REQUIRE( a == b );
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REQUIRE_FALSE( a != b );
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}
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}
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TEST_CASE( "Decomposer checks that the argument is 0 when handling "
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"only-0-comparable types",
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"[decomposition][approvals]" ) {
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TypeWithLit0Comparisons t{};
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CATCH_INTERNAL_START_WARNINGS_SUPPRESSION
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CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS
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REQUIRE_THROWS( Catch::Decomposer{} <= t == 42 );
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REQUIRE_THROWS( Catch::Decomposer{} <= 42 == t );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= t == 0 );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 == t );
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REQUIRE_THROWS( Catch::Decomposer{} <= t != 42 );
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REQUIRE_THROWS( Catch::Decomposer{} <= 42 != t );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= t != 0 );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 != t );
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REQUIRE_THROWS( Catch::Decomposer{} <= t < 42 );
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REQUIRE_THROWS( Catch::Decomposer{} <= 42 < t );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= t < 0 );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 < t );
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REQUIRE_THROWS( Catch::Decomposer{} <= t <= 42 );
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REQUIRE_THROWS( Catch::Decomposer{} <= 42 <= t );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= t <= 0 );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 <= t );
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REQUIRE_THROWS( Catch::Decomposer{} <= t > 42 );
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REQUIRE_THROWS( Catch::Decomposer{} <= 42 > t );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= t > 0 );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 > t );
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REQUIRE_THROWS( Catch::Decomposer{} <= t >= 42 );
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REQUIRE_THROWS( Catch::Decomposer{} <= 42 >= t );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= t >= 0 );
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REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 >= t );
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CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
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}
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