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"
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#include "catch_interfaces_capture.h"
#include "catch_debugger.hpp"
#include "catch_context.h"
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#include "catch_common.h"
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#include "catch_interfaces_registry_hub.h"
#include <ostream>
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namespace Catch {
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inline IResultCapture& getResultCapture() {
return getCurrentContext().getResultCapture();
}
template<typename MatcherT>
ExpressionResultBuilder expressionResultBuilderFromMatcher( const MatcherT& matcher,
const std::string& matcherCallAsString ) {
std::string matcherAsString = matcher.toString();
if( matcherAsString == "{?}" )
matcherAsString = matcherCallAsString;
return ExpressionResultBuilder()
.setRhs( matcherAsString )
.setOp( "matches" );
}
template<typename MatcherT, typename ArgT>
ExpressionResultBuilder expressionResultBuilderFromMatcher( const MatcherT& matcher,
const ArgT& arg,
const std::string& matcherCallAsString ) {
return expressionResultBuilderFromMatcher( matcher, matcherCallAsString )
.setLhs( Catch::toString( arg ) )
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.setResultType( matcher.match( arg ) );
}
template<typename MatcherT, typename ArgT>
ExpressionResultBuilder expressionResultBuilderFromMatcher( const MatcherT& matcher,
ArgT* arg,
const std::string& 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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class ScopedInfo {
public:
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ScopedInfo() : m_resultBuilder( ResultWas::Info ) {
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getResultCapture().pushScopedInfo( this );
}
~ScopedInfo() {
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getResultCapture().popScopedInfo( this );
}
template<typename T>
ScopedInfo& operator << ( const T& value ) {
m_resultBuilder << value;
return *this;
}
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AssertionResult buildResult( const AssertionInfo& assertionInfo ) const {
return m_resultBuilder.buildResult( assertionInfo );
}
private:
ExpressionResultBuilder m_resultBuilder;
};
// This is just here to avoid compiler warnings with macro constants and boolean literals
inline bool isTrue( bool value ){ return value; }
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} // end namespace Catch
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_ACCEPT_EXPR( evaluatedExpr, stopOnFailure, originalExpr ) \
if( Catch::ResultAction::Value internal_catch_action = Catch::getResultCapture().acceptExpression( evaluatedExpr ) ) { \
if( internal_catch_action & Catch::ResultAction::Debug ) BreakIntoDebugger(); \
if( internal_catch_action & Catch::ResultAction::Abort ) throw Catch::TestFailureException(); \
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if( Catch::isTrue( stopOnFailure ) ) throw Catch::TestFailureException(); \
if( Catch::isTrue( false ) ){ bool this_is_here_to_invoke_warnings = ( originalExpr ); Catch::isTrue( this_is_here_to_invoke_warnings ); } \
}
///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_ACCEPT_INFO( expr, macroName, shouldNegate ) \
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Catch::getResultCapture().acceptAssertionInfo( Catch::AssertionInfo( macroName, CATCH_INTERNAL_LINEINFO, expr, shouldNegate ) );
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST( expr, shouldNegate, stopOnFailure, macroName ) \
do { try { \
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INTERNAL_CATCH_ACCEPT_INFO( #expr, macroName, shouldNegate ); \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionDecomposer()->*expr ).negate( shouldNegate ), stopOnFailure, expr ); \
} catch( Catch::TestFailureException& ) { \
throw; \
} catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( Catch::ResultWas::ThrewException ) << Catch::translateActiveException(), false, expr ); \
throw; \
} } while( Catch::isTrue( false ) )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_IF( expr, shouldNegate, stopOnFailure, macroName ) \
INTERNAL_CATCH_TEST( expr, shouldNegate, stopOnFailure, macroName ); \
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if( Catch::getResultCapture().getLastResult()->ok() )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_ELSE( expr, shouldNegate, stopOnFailure, macroName ) \
INTERNAL_CATCH_TEST( expr, shouldNegate, stopOnFailure, macroName ); \
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if( !Catch::getResultCapture().getLastResult()->ok() )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_NO_THROW( expr, stopOnFailure, macroName ) \
try { \
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INTERNAL_CATCH_ACCEPT_INFO( #expr, macroName, false ); \
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expr; \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( Catch::ResultWas::Ok ), stopOnFailure, false ); \
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} \
catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( Catch::ResultWas::ThrewException ) << Catch::translateActiveException(), stopOnFailure, false ); \
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}
///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_THROWS( expr, exceptionType, stopOnFailure, macroName ) \
try { \
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INTERNAL_CATCH_ACCEPT_INFO( #expr, macroName, false ); \
if( Catch::getCurrentContext().getConfig()->allowThrows() ) { \
expr; \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( Catch::ResultWas::DidntThrowException ), stopOnFailure, 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 ), stopOnFailure, false ); \
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}
///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_THROWS_AS( expr, exceptionType, stopOnFailure, macroName ) \
INTERNAL_CATCH_THROWS( expr, exceptionType, stopOnFailure, macroName ) \
catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionResultBuilder( Catch::ResultWas::ThrewException ) << Catch::translateActiveException() ), stopOnFailure, false ); \
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}
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_MSG( reason, resultType, stopOnFailure, macroName ) \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionResultBuilder( resultType ) << reason, stopOnFailure, true );
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_SCOPED_INFO( log, macroName ) \
INTERNAL_CATCH_ACCEPT_INFO( "", macroName, false ); \
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Catch::ScopedInfo INTERNAL_CATCH_UNIQUE_NAME( info ); \
INTERNAL_CATCH_UNIQUE_NAME( info ) << log
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CHECK_THAT( arg, matcher, stopOnFailure, macroName ) \
do { try { \
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INTERNAL_CATCH_ACCEPT_INFO( #arg " " #matcher, macroName, false ) \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::expressionResultBuilderFromMatcher( ::Catch::Matchers::matcher, arg, #matcher ) ), stopOnFailure, false ); \
} catch( Catch::TestFailureException& ) { \
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throw; \
} catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionResultBuilder( Catch::ResultWas::ThrewException ) << Catch::translateActiveException() ), false, false ); \
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throw; \
}}while( Catch::isTrue( false ) )
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#endif // TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED