catch2/include/internal/catch_capture.hpp
2012-10-18 22:59:16 +01:00

178 lines
8.2 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_expression_builder.hpp"
#include "catch_assertionresult_builder.h"
#include "catch_interfaces_capture.h"
#include "catch_debugger.hpp"
#include "catch_context.h"
#include "catch_common.h"
#include "catch_interfaces_registry_hub.h"
#include <ostream>
namespace Catch {
inline IResultCapture& getResultCapture() {
return getCurrentContext().getResultCapture();
}
template<typename MatcherT>
AssertionResultBuilder assertionBuilderFromMatcher( const MatcherT& matcher,
const std::string& matcherCallAsString ) {
std::string matcherAsString = matcher.toString();
if( matcherAsString == "{?}" )
matcherAsString = matcherCallAsString;
return AssertionResultBuilder()
.setRhs( matcherAsString )
.setOp( "matches" );
}
template<typename MatcherT, typename ArgT>
AssertionResultBuilder assertionBuilderFromMatcher( const MatcherT& matcher,
const ArgT& arg,
const std::string& matcherCallAsString ) {
return assertionBuilderFromMatcher( matcher, matcherCallAsString )
.setLhs( Catch::toString( arg ) )
.setResultType( matcher.match( arg ) ? ResultWas::Ok : ResultWas::ExpressionFailed );
}
template<typename MatcherT, typename ArgT>
AssertionResultBuilder assertionBuilderFromMatcher( const MatcherT& matcher,
ArgT* arg,
const std::string& matcherCallAsString ) {
return assertionBuilderFromMatcher( matcher, matcherCallAsString )
.setLhs( Catch::toString( arg ) )
.setResultType( matcher.match( arg ) ? ResultWas::Ok : ResultWas::ExpressionFailed );
}
struct TestFailureException{};
class ScopedInfo {
public:
ScopedInfo() {
m_resultBuilder
.setResultType( ResultWas::Info )
.setMacroName( "SCOPED_INFO" );
getResultCapture().pushScopedInfo( this );
}
~ScopedInfo() {
getResultCapture().popScopedInfo( this );
}
template<typename T>
ScopedInfo& operator << ( const T& value ) {
m_resultBuilder << value;
return *this;
}
AssertionResult getInfo () const {
return m_resultBuilder.build();
}
private:
AssertionResultBuilder m_resultBuilder;
std::ostringstream m_oss;
};
// This is just here to avoid compiler warnings with macro constants and boolean literals
inline bool isTrue( bool value ){ return value; }
} // 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(); \
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 ); } \
}
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST( expr, isFalse, stopOnFailure, macroName ) \
do { try { \
Catch::getResultCapture().acceptAssertionInfo( Catch::AssertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #expr ) ); \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionBuilder( isFalse )->*expr ), stopOnFailure, expr ); \
} catch( Catch::TestFailureException& ) { \
throw; \
} catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::ThrewException ) << Catch::translateActiveException(), false, expr ); \
throw; \
} } while( Catch::isTrue( false ) )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_IF( expr, isFalse, stopOnFailure, macroName ) \
INTERNAL_CATCH_TEST( expr, isFalse, stopOnFailure, macroName ); \
if( Catch::getResultCapture().getLastResult()->ok() )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_ELSE( expr, isFalse, stopOnFailure, macroName ) \
INTERNAL_CATCH_TEST( expr, isFalse, stopOnFailure, macroName ); \
if( !Catch::getResultCapture().getLastResult()->ok() )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_NO_THROW( expr, stopOnFailure, macroName ) \
try { \
Catch::getResultCapture().acceptAssertionInfo( Catch::AssertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #expr ) ); \
expr; \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::Ok ), stopOnFailure, false ); \
} \
catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::ThrewException ) << Catch::translateActiveException(), stopOnFailure, false ); \
}
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS( expr, exceptionType, stopOnFailure, macroName ) \
try { \
Catch::getResultCapture().acceptAssertionInfo( Catch::AssertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #expr ) ); \
if( Catch::getCurrentContext().getConfig()->allowThrows() ) { \
expr; \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::DidntThrowException ), stopOnFailure, false ); \
} \
} \
catch( Catch::TestFailureException& ) { \
throw; \
} \
catch( exceptionType ) { \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::Ok ), stopOnFailure, false ); \
}
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_AS( expr, exceptionType, stopOnFailure, macroName ) \
INTERNAL_CATCH_THROWS( expr, exceptionType, stopOnFailure, macroName ) \
catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::ThrewException ) << Catch::translateActiveException() ), stopOnFailure, false ); \
}
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_MSG( reason, resultType, stopOnFailure, macroName ) \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( resultType ) << reason, stopOnFailure, true );
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_SCOPED_INFO( log ) \
Catch::ScopedInfo INTERNAL_CATCH_UNIQUE_NAME( info ); \
INTERNAL_CATCH_UNIQUE_NAME( info ) << log
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CHECK_THAT( arg, matcher, stopOnFailure, macroName ) \
do { try { \
Catch::getResultCapture().acceptAssertionInfo( Catch::AssertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #arg " " #matcher ) ); \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::assertionBuilderFromMatcher( ::Catch::Matchers::matcher, arg, #matcher ) ), stopOnFailure, false ); \
} catch( Catch::TestFailureException& ) { \
throw; \
} catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::ThrewException ) << Catch::translateActiveException() ), false, false ); \
throw; \
}}while( Catch::isTrue( false ) )
#endif // TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED