catch2/include/internal/catch_capture.hpp
Phil Nash ffad3a0a39 Fix as suggested in #574
Cast expression to bool to prevent custom && from defeating short-circuiting
2016-02-10 05:49:56 +00:00

148 lines
6.7 KiB
C++

/*
* Created by Phil on 18/10/2010.
* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
#include "catch_result_builder.h"
#include "catch_message.h"
#include "catch_interfaces_capture.h"
#include "catch_debugger.h"
#include "catch_common.h"
#include "catch_tostring.h"
#include "catch_interfaces_runner.h"
#include "catch_compiler_capabilities.h"
///////////////////////////////////////////////////////////////////////////////
// In the event of a failure works out if the debugger needs to be invoked
// and/or an exception thrown and takes appropriate action.
// This needs to be done as a macro so the debugger will stop in the user
// source code rather than in Catch library code
#define INTERNAL_CATCH_REACT( resultBuilder ) \
if( resultBuilder.shouldDebugBreak() ) CATCH_BREAK_INTO_DEBUGGER(); \
resultBuilder.react();
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST( expr, resultDisposition, macroName ) \
do { \
Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
try { \
( __catchResult <= expr ).endExpression(); \
} \
catch( ... ) { \
__catchResult.useActiveException( Catch::ResultDisposition::Normal ); \
} \
INTERNAL_CATCH_REACT( __catchResult ) \
} while( Catch::isTrue( false && static_cast<bool>(expr) ) ) // expr here is never evaluated at runtime but it forces the compiler to give it a look
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_IF( expr, resultDisposition, macroName ) \
INTERNAL_CATCH_TEST( expr, resultDisposition, macroName ); \
if( Catch::getResultCapture().getLastResult()->succeeded() )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_ELSE( expr, resultDisposition, macroName ) \
INTERNAL_CATCH_TEST( expr, resultDisposition, macroName ); \
if( !Catch::getResultCapture().getLastResult()->succeeded() )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_NO_THROW( expr, resultDisposition, macroName ) \
do { \
Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
try { \
expr; \
__catchResult.captureResult( Catch::ResultWas::Ok ); \
} \
catch( ... ) { \
__catchResult.useActiveException( resultDisposition ); \
} \
INTERNAL_CATCH_REACT( __catchResult ) \
} while( Catch::alwaysFalse() )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS( expr, resultDisposition, matcher, macroName ) \
do { \
Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition, #matcher ); \
if( __catchResult.allowThrows() ) \
try { \
expr; \
__catchResult.captureResult( Catch::ResultWas::DidntThrowException ); \
} \
catch( ... ) { \
__catchResult.captureExpectedException( matcher ); \
} \
else \
__catchResult.captureResult( Catch::ResultWas::Ok ); \
INTERNAL_CATCH_REACT( __catchResult ) \
} while( Catch::alwaysFalse() )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_AS( expr, exceptionType, resultDisposition, macroName ) \
do { \
Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
if( __catchResult.allowThrows() ) \
try { \
expr; \
__catchResult.captureResult( Catch::ResultWas::DidntThrowException ); \
} \
catch( exceptionType ) { \
__catchResult.captureResult( Catch::ResultWas::Ok ); \
} \
catch( ... ) { \
__catchResult.useActiveException( resultDisposition ); \
} \
else \
__catchResult.captureResult( Catch::ResultWas::Ok ); \
INTERNAL_CATCH_REACT( __catchResult ) \
} while( Catch::alwaysFalse() )
///////////////////////////////////////////////////////////////////////////////
#ifdef CATCH_CONFIG_VARIADIC_MACROS
#define INTERNAL_CATCH_MSG( messageType, resultDisposition, macroName, ... ) \
do { \
Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, "", resultDisposition ); \
__catchResult << __VA_ARGS__ + ::Catch::StreamEndStop(); \
__catchResult.captureResult( messageType ); \
INTERNAL_CATCH_REACT( __catchResult ) \
} while( Catch::alwaysFalse() )
#else
#define INTERNAL_CATCH_MSG( messageType, resultDisposition, macroName, log ) \
do { \
Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, "", resultDisposition ); \
__catchResult << log + ::Catch::StreamEndStop(); \
__catchResult.captureResult( messageType ); \
INTERNAL_CATCH_REACT( __catchResult ) \
} while( Catch::alwaysFalse() )
#endif
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_INFO( log, macroName ) \
Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME( scopedMessage ) = Catch::MessageBuilder( macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log;
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CHECK_THAT( arg, matcher, resultDisposition, macroName ) \
do { \
Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #arg ", " #matcher, resultDisposition ); \
try { \
std::string matcherAsString = (matcher).toString(); \
__catchResult \
.setLhs( Catch::toString( arg ) ) \
.setRhs( matcherAsString == Catch::Detail::unprintableString ? #matcher : matcherAsString ) \
.setOp( "matches" ) \
.setResultType( (matcher).match( arg ) ); \
__catchResult.captureExpression(); \
} catch( ... ) { \
__catchResult.useActiveException( resultDisposition | Catch::ResultDisposition::ContinueOnFailure ); \
} \
INTERNAL_CATCH_REACT( __catchResult ) \
} while( Catch::alwaysFalse() )
#endif // TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED