catch2/src/catch2/catch_message.hpp
2020-11-28 11:18:46 +01:00

145 lines
5.4 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
#ifndef CATCH_MESSAGE_HPP_INCLUDED
#define CATCH_MESSAGE_HPP_INCLUDED
#include <catch2/internal/catch_result_type.hpp>
#include <catch2/internal/catch_stream.hpp>
#include <catch2/internal/catch_stream_end_stop.hpp>
#include <catch2/internal/catch_message_info.hpp>
#include <catch2/interfaces/catch_interfaces_capture.hpp>
#include <catch2/catch_tostring.hpp>
#include <string>
#include <vector>
namespace Catch {
struct SourceLineInfo;
struct MessageStream {
template<typename T>
MessageStream& operator << ( T const& value ) {
m_stream << value;
return *this;
}
ReusableStringStream m_stream;
};
struct MessageBuilder : MessageStream {
MessageBuilder( StringRef const& macroName,
SourceLineInfo const& lineInfo,
ResultWas::OfType type );
template<typename T>
MessageBuilder& operator << ( T const& value ) {
m_stream << value;
return *this;
}
MessageInfo m_info;
};
class ScopedMessage {
public:
explicit ScopedMessage( MessageBuilder const& builder );
ScopedMessage( ScopedMessage& duplicate ) = delete;
ScopedMessage( ScopedMessage&& old ) noexcept;
~ScopedMessage();
MessageInfo m_info;
bool m_moved = false;
};
class Capturer {
std::vector<MessageInfo> m_messages;
IResultCapture& m_resultCapture = getResultCapture();
size_t m_captured = 0;
public:
Capturer( StringRef macroName, SourceLineInfo const& lineInfo, ResultWas::OfType resultType, StringRef names );
Capturer(Capturer const&) = delete;
Capturer& operator=(Capturer const&) = delete;
~Capturer();
void captureValue( size_t index, std::string const& value );
template<typename T>
void captureValues( size_t index, T const& value ) {
captureValue( index, Catch::Detail::stringify( value ) );
}
template<typename T, typename... Ts>
void captureValues( size_t index, T const& value, Ts const&... values ) {
captureValue( index, Catch::Detail::stringify(value) );
captureValues( index+1, values... );
}
};
} // end namespace Catch
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_MSG( macroName, messageType, resultDisposition, ... ) \
do { \
Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::StringRef(), resultDisposition ); \
catchAssertionHandler.handleMessage( messageType, ( Catch::MessageStream() << __VA_ARGS__ + ::Catch::StreamEndStop() ).m_stream.str() ); \
INTERNAL_CATCH_REACT( catchAssertionHandler ) \
} while( false )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_CAPTURE( varName, macroName, ... ) \
Catch::Capturer varName( macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info, #__VA_ARGS__ ); \
varName.captureValues( 0, __VA_ARGS__ )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_INFO( macroName, log ) \
Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME( scopedMessage )( Catch::MessageBuilder( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_UNSCOPED_INFO( macroName, log ) \
Catch::getResultCapture().emplaceUnscopedMessage( Catch::MessageBuilder( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log )
#if defined(CATCH_CONFIG_PREFIX_ALL) && !defined(CATCH_CONFIG_DISABLE)
#define CATCH_INFO( msg ) INTERNAL_CATCH_INFO( "CATCH_INFO", msg )
#define CATCH_UNSCOPED_INFO( msg ) INTERNAL_CATCH_UNSCOPED_INFO( "CATCH_UNSCOPED_INFO", msg )
#define CATCH_WARN( msg ) INTERNAL_CATCH_MSG( "CATCH_WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg )
#define CATCH_CAPTURE( ... ) INTERNAL_CATCH_CAPTURE( INTERNAL_CATCH_UNIQUE_NAME(capturer), "CATCH_CAPTURE", __VA_ARGS__ )
#elif defined(CATCH_CONFIG_PREFIX_ALL) && defined(CATCH_CONFIG_DISABLE)
#define CATCH_INFO( msg ) (void)(0)
#define CATCH_UNSCOPED_INFO( msg ) (void)(0)
#define CATCH_WARN( msg ) (void)(0)
#define CATCH_CAPTURE( ... ) (void)(0)
#elif !defined(CATCH_CONFIG_PREFIX_ALL) && !defined(CATCH_CONFIG_DISABLE)
#define INFO( msg ) INTERNAL_CATCH_INFO( "INFO", msg )
#define UNSCOPED_INFO( msg ) INTERNAL_CATCH_UNSCOPED_INFO( "UNSCOPED_INFO", msg )
#define WARN( msg ) INTERNAL_CATCH_MSG( "WARN", Catch::ResultWas::Warning, Catch::ResultDisposition::ContinueOnFailure, msg )
#define CAPTURE( ... ) INTERNAL_CATCH_CAPTURE( INTERNAL_CATCH_UNIQUE_NAME(capturer), "CAPTURE", __VA_ARGS__ )
#elif !defined(CATCH_CONFIG_PREFIX_ALL) && defined(CATCH_CONFIG_DISABLE)
#define INFO( msg ) (void)(0)
#define UNSCOPED_INFO( msg ) (void)(0)
#define WARN( msg ) (void)(0)
#define CAPTURE( ... ) (void)(0)
#endif // end of user facing macro declarations
#endif // CATCH_MESSAGE_HPP_INCLUDED