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849f2848bd
Previously, each warning suppression was self-contained, with its own pair of `SUPPRESS_X_WARNING` and `UNSUPPRESS_X_WARNING` macros. This had the obvious advantage of being self-containing, but it also meant that if we needed to suppress more than one warning in a single place, then we would manipulate the compiler's warning state multiple times, even though logically we would only need one layer. The new way of suppressing warnings in macros is to push compiler's warning state with `CATCH_INTERNAL_START_WARNINGS_SUPPRESSION` macro, then disable whatever macros we need with the `CATCH_INTERNAL_SUPPRESS_X_WARNINGS` macro, and then return to the previous state using `CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION`.
159 lines
7.7 KiB
C++
159 lines
7.7 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_interfaces_capture.h"
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#include "catch_message.h"
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#include "catch_stringref.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) || defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
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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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#define INTERNAL_CATCH_TRY
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#define INTERNAL_CATCH_CATCH( capturer )
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#else // CATCH_CONFIG_FAST_COMPILE
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#define INTERNAL_CATCH_TRY try
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#define INTERNAL_CATCH_CATCH( handler ) catch(...) { handler.handleUnexpectedInflightException(); }
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#endif
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#define INTERNAL_CATCH_REACT( handler ) handler.complete();
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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_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
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INTERNAL_CATCH_TRY { \
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CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
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CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
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catchAssertionHandler.handleExpr( Catch::Decomposer() <= __VA_ARGS__ ); \
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CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
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} INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
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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
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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_sr, 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.handleExceptionNotThrownAsExpected(); \
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} \
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catch( ... ) { \
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catchAssertionHandler.handleUnexpectedInflightException(); \
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} \
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INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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} while( false )
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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_sr, 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.handleUnexpectedExceptionNotThrown(); \
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} \
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catch( ... ) { \
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catchAssertionHandler.handleExceptionThrownAsExpected(); \
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} \
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else \
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catchAssertionHandler.handleThrowingCallSkipped(); \
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INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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} while( false )
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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_sr, 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.handleUnexpectedExceptionNotThrown(); \
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} \
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catch( exceptionType const& ) { \
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catchAssertionHandler.handleExceptionThrownAsExpected(); \
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} \
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catch( ... ) { \
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catchAssertionHandler.handleUnexpectedInflightException(); \
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} \
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else \
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catchAssertionHandler.handleThrowingCallSkipped(); \
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INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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} while( false )
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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_sr, CATCH_INTERNAL_LINEINFO, Catch::StringRef(), resultDisposition ); \
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catchAssertionHandler.handleMessage( messageType, ( Catch::MessageStream() << __VA_ARGS__ + ::Catch::StreamEndStop() ).m_stream.str() ); \
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INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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} while( false )
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_CAPTURE( varName, macroName, ... ) \
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auto varName = Catch::Capturer( macroName, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info, #__VA_ARGS__ ); \
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varName.captureValues( 0, __VA_ARGS__ )
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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_sr, CATCH_INTERNAL_LINEINFO, Catch::ResultWas::Info ) << log );
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///////////////////////////////////////////////////////////////////////////////
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#define INTERNAL_CATCH_UNSCOPED_INFO( macroName, log ) \
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Catch::getResultCapture().emplaceUnscopedMessage( Catch::MessageBuilder( macroName##_catch_sr, 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_sr, 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.handleUnexpectedExceptionNotThrown(); \
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} \
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catch( ... ) { \
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Catch::handleExceptionMatchExpr( catchAssertionHandler, matcher, #matcher##_catch_sr ); \
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} \
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else \
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catchAssertionHandler.handleThrowingCallSkipped(); \
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INTERNAL_CATCH_REACT( catchAssertionHandler ) \
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} while( false )
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#endif // CATCH_CONFIG_DISABLE
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#endif // TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
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