catch2/tests/SelfTest/IntrospectiveTests/Details.tests.cpp
2022-01-29 00:03:43 +01:00

89 lines
2.7 KiB
C++

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