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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
#ifndef CATCH_MATCHERS_IMPL_HPP_INCLUDED
#define CATCH_MATCHERS_IMPL_HPP_INCLUDED
#include <catch2/internal/catch_assertion_handler.hpp>
#include <catch2/internal/catch_source_line_info.hpp>
#include <catch2/internal/catch_decomposer.hpp>
#include <catch2/internal/catch_preprocessor_internal_stringify.hpp>
#include <catch2/internal/catch_move_and_forward.hpp>
#include <string>
namespace Catch {
#ifdef __clang__
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wsign-compare"
# pragma clang diagnostic ignored "-Wnon-virtual-dtor"
#elif defined __GNUC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wsign-compare"
# pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
template<typename ArgT, typename MatcherT>
class MatchExpr : public ITransientExpression {
ArgT && m_arg;
MatcherT const& m_matcher;
public:
constexpr MatchExpr( ArgT && arg, MatcherT const& matcher )
: ITransientExpression{ true, matcher.match( arg ) }, // not forwarding arg here on purpose
m_arg( CATCH_FORWARD(arg) ),
m_matcher( matcher )
{}
void streamReconstructedExpression( std::ostream& os ) const override {
os << Catch::Detail::stringify( m_arg )
<< ' '
<< m_matcher.toString();
}
};
#ifdef __clang__
# pragma clang diagnostic pop
#elif defined __GNUC__
# pragma GCC diagnostic pop
#endif
namespace Matchers {
template <typename ArgT>
class MatcherBase;
}
using StringMatcher = Matchers::MatcherBase<std::string>;
void handleExceptionMatchExpr( AssertionHandler& handler, StringMatcher const& matcher );
template<typename ArgT, typename MatcherT>
constexpr MatchExpr<ArgT, MatcherT>
makeMatchExpr( ArgT&& arg, MatcherT const& matcher ) {
return MatchExpr<ArgT, MatcherT>( CATCH_FORWARD(arg), matcher );
}
} // namespace Catch
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CHECK_THAT( macroName, matcher, resultDisposition, arg ) \
do { \
Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(arg) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
INTERNAL_CATCH_TRY { \
catchAssertionHandler.handleExpr( Catch::makeMatchExpr( arg, matcher ) ); \
} INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
catchAssertionHandler.complete(); \
} while( false )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_MATCHES( macroName, exceptionType, resultDisposition, matcher, ... ) \
do { \
Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(exceptionType) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
if( catchAssertionHandler.allowThrows() ) \
try { \
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_USELESS_CAST_WARNINGS \
static_cast<void>(__VA_ARGS__ ); \
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
} \
catch( exceptionType const& ex ) { \
catchAssertionHandler.handleExpr( Catch::makeMatchExpr( ex, matcher ) ); \
} \
catch( ... ) { \
catchAssertionHandler.handleUnexpectedInflightException(); \
} \
else \
catchAssertionHandler.handleThrowingCallSkipped(); \
catchAssertionHandler.complete(); \
} while( false )
#endif // CATCH_MATCHERS_IMPL_HPP_INCLUDED
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