catch2/include/internal/catch_capture.hpp

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/*
* 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_expression_decomposer.hpp"
#include "catch_expressionresult_builder.h"
#include "catch_message.h"
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#include "catch_interfaces_capture.h"
#include "catch_debugger.h"
#include "catch_context.h"
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#include "catch_common.h"
#include "catch_tostring.h"
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#include "catch_interfaces_registry_hub.h"
#include "catch_interfaces_config.h"
#include "internal/catch_compiler_capabilities.h"
#include <ostream>
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namespace Catch {
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inline IResultCapture& getResultCapture() {
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if( IResultCapture* capture = getCurrentContext().getResultCapture() )
return *capture;
else
throw std::logic_error( "No result capture instance" );
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}
template<typename MatcherT>
ExpressionResultBuilder expressionResultBuilderFromMatcher( MatcherT const& matcher,
std::string const& matcherCallAsString ) {
std::string matcherAsString = matcher.toString();
if( matcherAsString == "{?}" )
matcherAsString = matcherCallAsString;
return ExpressionResultBuilder()
.setRhs( matcherAsString )
.setOp( "matches" );
}
template<typename MatcherT, typename ArgT>
ExpressionResultBuilder expressionResultBuilderFromMatcher( MatcherT const& matcher,
ArgT const& arg,
std::string const& matcherCallAsString ) {
return expressionResultBuilderFromMatcher( matcher, matcherCallAsString )
.setLhs( Catch::toString( arg ) )
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.setResultType( matcher.match( arg ) );
}
template<typename MatcherT, typename ArgT>
ExpressionResultBuilder expressionResultBuilderFromMatcher( MatcherT const& matcher,
ArgT* arg,
std::string const& matcherCallAsString ) {
return expressionResultBuilderFromMatcher( matcher, matcherCallAsString )
.setLhs( Catch::toString( arg ) )
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.setResultType( matcher.match( arg ) );
}
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struct TestFailureException{};
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} // end namespace Catch
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_ACCEPT_EXPR( evaluatedExpr, resultDisposition, originalExpr ) \
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if( Catch::ResultAction::Value internal_catch_action = Catch::getResultCapture().acceptExpression( evaluatedExpr, __assertionInfo ) ) { \
if( internal_catch_action & Catch::ResultAction::Debug ) CATCH_BREAK_INTO_DEBUGGER(); \
if( internal_catch_action & Catch::ResultAction::Abort ) throw Catch::TestFailureException(); \
if( !Catch::shouldContinueOnFailure( resultDisposition ) ) throw Catch::TestFailureException(); \
Catch::isTrue( false && originalExpr ); \
}
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST( expr, resultDisposition, macroName ) \
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do { \
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Catch::AssertionInfo __assertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
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try { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionDecomposer()->*expr ).endExpression( resultDisposition ), resultDisposition, expr ); \
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} catch( Catch::TestFailureException& ) { \
throw; \
} catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( Catch::ResultWas::ThrewException ) << Catch::translateActiveException(), \
Catch::ResultDisposition::Normal, expr ); \
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} \
} while( Catch::isTrue( false ) )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_IF( expr, resultDisposition, macroName ) \
INTERNAL_CATCH_TEST( expr, resultDisposition, macroName ); \
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if( Catch::getResultCapture().getLastResult()->succeeded() )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_ELSE( expr, resultDisposition, macroName ) \
INTERNAL_CATCH_TEST( expr, resultDisposition, macroName ); \
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if( !Catch::getResultCapture().getLastResult()->succeeded() )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_NO_THROW( expr, resultDisposition, macroName ) \
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do { \
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Catch::AssertionInfo __assertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
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try { \
expr; \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( Catch::ResultWas::Ok ), resultDisposition, false ); \
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} \
catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( Catch::ResultWas::ThrewException ) << Catch::translateActiveException(), resultDisposition, false ); \
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} \
} while( Catch::isTrue( false ) )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_IMPL( expr, exceptionType, resultDisposition ) \
try { \
if( Catch::getCurrentContext().getConfig()->allowThrows() ) { \
expr; \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( Catch::ResultWas::DidntThrowException ), resultDisposition, false ); \
} \
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} \
catch( Catch::TestFailureException& ) { \
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throw; \
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} \
catch( exceptionType ) { \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( Catch::ResultWas::Ok ), resultDisposition, false ); \
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}
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS( expr, exceptionType, resultDisposition, macroName ) \
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do { \
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Catch::AssertionInfo __assertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
INTERNAL_CATCH_THROWS_IMPL( expr, exceptionType, resultDisposition ) \
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} while( Catch::isTrue( false ) )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_AS( expr, exceptionType, resultDisposition, macroName ) \
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do { \
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Catch::AssertionInfo __assertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
INTERNAL_CATCH_THROWS_IMPL( expr, exceptionType, resultDisposition ) \
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catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionResultBuilder( Catch::ResultWas::ThrewException ) << Catch::translateActiveException() ), \
resultDisposition | Catch::ResultDisposition::ContinueOnFailure, false ); \
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} \
} while( Catch::isTrue( false ) )
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///////////////////////////////////////////////////////////////////////////////
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#ifdef CATCH_CONFIG_VARIADIC_MACROS
#define INTERNAL_CATCH_MSG( messageType, resultDisposition, macroName, ... ) \
do { \
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Catch::AssertionInfo __assertionInfo( macroName, CATCH_INTERNAL_LINEINFO, "", resultDisposition ); \
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INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( messageType ) << __VA_ARGS__ +::Catch::StreamEndStop(), resultDisposition, true ) \
} while( Catch::isTrue( false ) )
#else
#define INTERNAL_CATCH_MSG( messageType, resultDisposition, macroName, log ) \
do { \
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Catch::AssertionInfo __assertionInfo( macroName, CATCH_INTERNAL_LINEINFO, "", resultDisposition ); \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( messageType ) << log, resultDisposition, true ) \
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} while( Catch::isTrue( false ) )
#endif
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_INFO( log, macroName ) \
Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME( scopedMessage ) = Catch::MessageBuilder( macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log;
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CHECK_THAT( arg, matcher, resultDisposition, macroName ) \
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do { \
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Catch::AssertionInfo __assertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #arg " " #matcher, resultDisposition ); \
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try { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::expressionResultBuilderFromMatcher( ::Catch::Matchers::matcher, arg, #matcher ) ), resultDisposition, false ); \
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} catch( Catch::TestFailureException& ) { \
throw; \
} catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionResultBuilder( Catch::ResultWas::ThrewException ) << Catch::translateActiveException() ), \
resultDisposition | Catch::ResultDisposition::ContinueOnFailure, false ); \
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} \
} while( Catch::isTrue( false ) )
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#endif // TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED