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Decomposer checks for 0 when assuming an int arg was 0 literal

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This commit is contained in:
Martin Hořeňovský
2022-11-05 00:42:09 +01:00
parent 5f9d4ef331
commit 3b139ae51a
2 changed files with 56 additions and 2 deletions
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43
tests/SelfTest/IntrospectiveTests/Details.tests.cpp
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@@ -11,6 +11,8 @@
#include <catch2/internal/catch_case_insensitive_comparisons.hpp>
#include <catch2/internal/catch_optional.hpp>
#include <helpers/type_with_lit_0_comparisons.hpp>
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4702) // unreachable code in the macro expansions
@@ -86,3 +88,44 @@ TEST_CASE("Optional comparison ops", "[optional][approvals]") {
REQUIRE_FALSE( a != b );
}
}
TEST_CASE( "Decomposer checks that the argument is 0 when handling "
"only-0-comparable types",
"[decomposition][approvals]" ) {
TypeWithLit0Comparisons t{};
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION
CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS
REQUIRE_THROWS( Catch::Decomposer{} <= t == 42 );
REQUIRE_THROWS( Catch::Decomposer{} <= 42 == t );
REQUIRE_NOTHROW( Catch::Decomposer{} <= t == 0 );
REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 == t );
REQUIRE_THROWS( Catch::Decomposer{} <= t != 42 );
REQUIRE_THROWS( Catch::Decomposer{} <= 42 != t );
REQUIRE_NOTHROW( Catch::Decomposer{} <= t != 0 );
REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 != t );
REQUIRE_THROWS( Catch::Decomposer{} <= t < 42 );
REQUIRE_THROWS( Catch::Decomposer{} <= 42 < t );
REQUIRE_NOTHROW( Catch::Decomposer{} <= t < 0 );
REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 < t );
REQUIRE_THROWS( Catch::Decomposer{} <= t <= 42 );
REQUIRE_THROWS( Catch::Decomposer{} <= 42 <= t );
REQUIRE_NOTHROW( Catch::Decomposer{} <= t <= 0 );
REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 <= t );
REQUIRE_THROWS( Catch::Decomposer{} <= t > 42 );
REQUIRE_THROWS( Catch::Decomposer{} <= 42 > t );
REQUIRE_NOTHROW( Catch::Decomposer{} <= t > 0 );
REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 > t );
REQUIRE_THROWS( Catch::Decomposer{} <= t >= 42 );
REQUIRE_THROWS( Catch::Decomposer{} <= 42 >= t );
REQUIRE_NOTHROW( Catch::Decomposer{} <= t >= 0 );
REQUIRE_NOTHROW( Catch::Decomposer{} <= 0 >= t );
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
}