forked from catchorg/Catch2
		
	
		
			
				
	
	
		
			164 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			164 lines
		
	
	
		
			7.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 *  Created by Phil on 18/10/2010.
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 *  Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
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 *
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 *  Distributed under the Boost Software License, Version 1.0. (See accompanying
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 *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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 */
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#ifndef TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
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#include "catch_assertionhandler.h"
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#include "catch_message.h"
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#include "catch_interfaces_capture.h"
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#include "catch_debugger.h"
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#if !defined(CATCH_CONFIG_DISABLE)
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#if !defined(CATCH_CONFIG_DISABLE_STRINGIFICATION)
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  #define CATCH_INTERNAL_STRINGIFY(...) #__VA_ARGS__
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#else
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  #define CATCH_INTERNAL_STRINGIFY(...) "Disabled by CATCH_CONFIG_DISABLE_STRINGIFICATION"
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#endif
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#if defined(CATCH_CONFIG_FAST_COMPILE)
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///////////////////////////////////////////////////////////////////////////////
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// We can speedup compilation significantly by breaking into debugger lower in
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// the callstack, because then we don't have to expand CATCH_BREAK_INTO_DEBUGGER
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// macro in each assertion
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#define INTERNAL_CATCH_REACT( handler ) \
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    handler.reactWithDebugBreak();
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///////////////////////////////////////////////////////////////////////////////
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// Another way to speed-up compilation is to omit local try-catch for REQUIRE*
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// macros.
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// This can potentially cause false negative, if the test code catches
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// the exception before it propagates back up to the runner.
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#define INTERNAL_CATCH_TRY( capturer ) capturer.setExceptionGuard();
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#define INTERNAL_CATCH_CATCH( capturer ) capturer.unsetExceptionGuard();
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#else // CATCH_CONFIG_FAST_COMPILE
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///////////////////////////////////////////////////////////////////////////////
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// In the event of a failure works out if the debugger needs to be invoked
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// and/or an exception thrown and takes appropriate action.
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// This needs to be done as a macro so the debugger will stop in the user
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// source code rather than in Catch library code
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#define INTERNAL_CATCH_REACT( handler ) \
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    if( handler.shouldDebugBreak() ) CATCH_BREAK_INTO_DEBUGGER(); \
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    handler.reactWithoutDebugBreak();
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#define INTERNAL_CATCH_TRY( capturer ) try
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#define INTERNAL_CATCH_CATCH( capturer ) catch(...) { capturer.useActiveException(); }
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#endif
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_TEST( macroName, resultDisposition, ... ) \
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    do { \
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        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
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        INTERNAL_CATCH_TRY( catchAssertionHandler ) { \
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            CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
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            catchAssertionHandler.handle( Catch::Decomposer() <= __VA_ARGS__ ); \
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            CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS \
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        } INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
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        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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    } while( Catch::isTrue( false && static_cast<bool>( !!(__VA_ARGS__) ) ) ) // the expression here is never evaluated at runtime but it forces the compiler to give it a look
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    // The double negation silences MSVC's C4800 warning, the static_cast forces short-circuit evaluation if the type has overloaded &&.
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_IF( macroName, resultDisposition, ... ) \
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    INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
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    if( Catch::getResultCapture().lastAssertionPassed() )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_ELSE( macroName, resultDisposition, ... ) \
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    INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
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    if( !Catch::getResultCapture().lastAssertionPassed() )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_NO_THROW( macroName, resultDisposition, ... ) \
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    do { \
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        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
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        try { \
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            static_cast<void>(__VA_ARGS__); \
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            catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
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        } \
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        catch( ... ) { \
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            catchAssertionHandler.useActiveException(); \
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        } \
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        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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    } while( Catch::alwaysFalse() )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_THROWS( macroName, resultDisposition, ... ) \
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    do { \
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        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition); \
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        if( catchAssertionHandler.allowThrows() ) \
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            try { \
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                static_cast<void>(__VA_ARGS__); \
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                catchAssertionHandler.handle( Catch::ResultWas::DidntThrowException ); \
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            } \
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            catch( ... ) { \
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                catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
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            } \
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        else \
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            catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
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        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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    } while( Catch::alwaysFalse() )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_THROWS_AS( macroName, exceptionType, resultDisposition, expr ) \
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    do { \
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        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(expr) ", " CATCH_INTERNAL_STRINGIFY(exceptionType), resultDisposition ); \
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        if( catchAssertionHandler.allowThrows() ) \
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            try { \
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                static_cast<void>(expr); \
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                catchAssertionHandler.handle( Catch::ResultWas::DidntThrowException ); \
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            } \
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            catch( exceptionType const& ) { \
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                catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
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            } \
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            catch( ... ) { \
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                catchAssertionHandler.useActiveException(); \
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            } \
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        else \
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            catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
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        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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    } while( Catch::alwaysFalse() )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_MSG( macroName, messageType, resultDisposition, ... ) \
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    do { \
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        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, "", resultDisposition ); \
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        catchAssertionHandler.handle( messageType, ( Catch::MessageStream() << __VA_ARGS__ + ::Catch::StreamEndStop() ).m_stream.str() ); \
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        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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    } while( Catch::alwaysFalse() )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_INFO( macroName, log ) \
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    Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME( scopedMessage ) = Catch::MessageBuilder( macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log;
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///////////////////////////////////////////////////////////////////////////////
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// Although this is matcher-based, it can be used with just a string
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#define INTERNAL_CATCH_THROWS_STR_MATCHES( macroName, resultDisposition, matcher, ... ) \
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    do { \
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        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
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        if( catchAssertionHandler.allowThrows() ) \
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            try { \
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                static_cast<void>(__VA_ARGS__); \
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                catchAssertionHandler.handle( Catch::ResultWas::DidntThrowException ); \
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            } \
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            catch( ... ) { \
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                handleExceptionMatchExpr( catchAssertionHandler, matcher, #matcher ); \
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            } \
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        else \
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            catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
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        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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    } while( Catch::alwaysFalse() )
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#endif // CATCH_CONFIG_DISABLE
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#endif // TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
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