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// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.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>
#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
#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 );
}
}
namespace {
struct MoveChecker {
bool has_moved = false;
MoveChecker() = default;
MoveChecker( MoveChecker const& rhs ) = default;
MoveChecker& operator=( MoveChecker const& rhs ) = default;
MoveChecker( MoveChecker&& rhs ) noexcept { rhs.has_moved = true; }
MoveChecker& operator=( MoveChecker&& rhs ) noexcept {
rhs.has_moved = true;
return *this;
}
};
}
TEST_CASE( "Optional supports move ops", "[optional][approvals]" ) {
using Catch::Optional;
MoveChecker a;
Optional<MoveChecker> opt_A( a );
REQUIRE_FALSE( a.has_moved );
REQUIRE_FALSE( opt_A->has_moved );
SECTION( "Move construction from element" ) {
Optional<MoveChecker> opt_B( CATCH_MOVE( a ) );
REQUIRE( a.has_moved );
}
SECTION( "Move assignment from element" ) {
opt_A = CATCH_MOVE( a );
REQUIRE( a.has_moved );
}
SECTION( "Move construction from optional" ) {
Optional<MoveChecker> opt_B( CATCH_MOVE( opt_A ) );
REQUIRE( opt_A->has_moved );
}
SECTION( "Move assignment from optional" ) {
Optional<MoveChecker> opt_B( opt_A );
REQUIRE_FALSE( opt_A->has_moved );
opt_B = CATCH_MOVE( opt_A );
REQUIRE( opt_A->has_moved );
}
}
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
}
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