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_assertionhandler.h"
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#include "catch_interfaces_capture.h"
#include "catch_message.h"
#include "catch_stringref.h"
#if !defined(CATCH_CONFIG_DISABLE)
#if !defined(CATCH_CONFIG_DISABLE_STRINGIFICATION)
#define CATCH_INTERNAL_STRINGIFY(...) #__VA_ARGS__
#else
#define CATCH_INTERNAL_STRINGIFY(...) "Disabled by CATCH_CONFIG_DISABLE_STRINGIFICATION"
#endif
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#if defined(CATCH_CONFIG_FAST_COMPILE)
///////////////////////////////////////////////////////////////////////////////
// Another way to speed-up compilation is to omit local try-catch for REQUIRE*
// macros.
#define INTERNAL_CATCH_TRY
#define INTERNAL_CATCH_CATCH( capturer )
#else // CATCH_CONFIG_FAST_COMPILE
#define INTERNAL_CATCH_TRY try
#define INTERNAL_CATCH_CATCH( handler ) catch(...) { handler.handleUnexpectedInflightException(); }
#endif
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#define INTERNAL_CATCH_REACT( handler ) handler.complete();
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST( macroName, resultDisposition, ... ) \
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do { \
Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
INTERNAL_CATCH_TRY { \
CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
catchAssertionHandler.handleExpr( Catch::Decomposer() <= __VA_ARGS__ ); \
CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS \
} INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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} while( (void)0, false && static_cast<bool>( !!(__VA_ARGS__) ) ) // the expression here is never evaluated at runtime but it forces the compiler to give it a look
// The double negation silences MSVC's C4800 warning, the static_cast forces short-circuit evaluation if the type has overloaded &&.
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_IF( macroName, resultDisposition, ... ) \
INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
if( Catch::getResultCapture().lastAssertionPassed() )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_ELSE( macroName, resultDisposition, ... ) \
INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
if( !Catch::getResultCapture().lastAssertionPassed() )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_NO_THROW( macroName, resultDisposition, ... ) \
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do { \
Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
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try { \
static_cast<void>(__VA_ARGS__); \
catchAssertionHandler.handleExceptionNotThrownAsExpected(); \
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} \
catch( ... ) { \
catchAssertionHandler.handleUnexpectedInflightException(); \
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} \
INTERNAL_CATCH_REACT( catchAssertionHandler ) \
} while( false )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS( macroName, resultDisposition, ... ) \
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do { \
Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition); \
if( catchAssertionHandler.allowThrows() ) \
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try { \
static_cast<void>(__VA_ARGS__); \
catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
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} \
catch( ... ) { \
catchAssertionHandler.handleExceptionThrownAsExpected(); \
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} \
else \
catchAssertionHandler.handleThrowingCallSkipped(); \
INTERNAL_CATCH_REACT( catchAssertionHandler ) \
} while( false )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_AS( macroName, exceptionType, resultDisposition, expr ) \
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do { \
Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(expr) ", " CATCH_INTERNAL_STRINGIFY(exceptionType), resultDisposition ); \
if( catchAssertionHandler.allowThrows() ) \
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try { \
static_cast<void>(expr); \
catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
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} \
catch( exceptionType const& ) { \
catchAssertionHandler.handleExceptionThrownAsExpected(); \
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} \
catch( ... ) { \
catchAssertionHandler.handleUnexpectedInflightException(); \
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} \
else \
catchAssertionHandler.handleThrowingCallSkipped(); \
INTERNAL_CATCH_REACT( catchAssertionHandler ) \
} while( false )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_MSG( macroName, messageType, resultDisposition, ... ) \
do { \
Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::StringRef(), resultDisposition ); \
catchAssertionHandler.handleMessage( messageType, ( Catch::MessageStream() << __VA_ARGS__ + ::Catch::StreamEndStop() ).m_stream.str() ); \
INTERNAL_CATCH_REACT( catchAssertionHandler ) \
} while( false )
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///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_INFO( macroName, log ) \
Catch::ScopedMessage INTERNAL_CATCH_UNIQUE_NAME( scopedMessage )( Catch::MessageBuilder( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log );
///////////////////////////////////////////////////////////////////////////////
// Although this is matcher-based, it can be used with just a string
#define INTERNAL_CATCH_THROWS_STR_MATCHES( macroName, resultDisposition, matcher, ... ) \
do { \
Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
if( catchAssertionHandler.allowThrows() ) \
try { \
static_cast<void>(__VA_ARGS__); \
catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
} \
catch( ... ) { \
Catch::handleExceptionMatchExpr( catchAssertionHandler, matcher, #matcher##_catch_sr ); \
} \
else \
catchAssertionHandler.handleThrowingCallSkipped(); \
INTERNAL_CATCH_REACT( catchAssertionHandler ) \
} while( false )
#endif // CATCH_CONFIG_DISABLE
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#endif // TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED