catch2/include/internal/catch_result_builder.hpp

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/*
* Created by Phil on 28/5/2014.
* Copyright 2014 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_RESULT_BUILDER_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_RESULT_BUILDER_HPP_INCLUDED
#include "catch_result_builder.h"
#include "catch_context.h"
#include "catch_interfaces_config.h"
#include "catch_interfaces_runner.h"
#include "catch_interfaces_capture.h"
#include "catch_interfaces_registry_hub.h"
#include "catch_wildcard_pattern.hpp"
namespace Catch {
std::string capturedExpressionWithSecondArgument( std::string const& capturedExpression, std::string const& secondArg ) {
return secondArg.empty() || secondArg == "\"\""
? capturedExpression
: capturedExpression + ", " + secondArg;
}
ResultBuilder::ResultBuilder( char const* macroName,
SourceLineInfo const& lineInfo,
char const* capturedExpression,
ResultDisposition::Flags resultDisposition,
char const* secondArg )
: m_assertionInfo( macroName, lineInfo, capturedExpressionWithSecondArgument( capturedExpression, secondArg ), resultDisposition ),
m_shouldDebugBreak( false ),
m_shouldThrow( false ),
m_guardException( false )
{}
ResultBuilder::~ResultBuilder() {
#if defined(CATCH_CONFIG_FAST_COMPILE)
if ( m_guardException ) {
useActiveException( m_assertionInfo.resultDisposition );
}
#endif
}
ResultBuilder& ResultBuilder::setResultType( ResultWas::OfType result ) {
m_data.resultType = result;
return *this;
}
ResultBuilder& ResultBuilder::setResultType( bool result ) {
m_data.resultType = result ? ResultWas::Ok : ResultWas::ExpressionFailed;
return *this;
}
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void ResultBuilder::endExpression( DecomposedExpression const& expr ) {
AssertionResult result = build( expr );
handleResult( result );
}
void ResultBuilder::useActiveException( ResultDisposition::Flags resultDisposition ) {
m_assertionInfo.resultDisposition = resultDisposition;
m_stream.oss << Catch::translateActiveException();
captureResult( ResultWas::ThrewException );
}
void ResultBuilder::captureResult( ResultWas::OfType resultType ) {
setResultType( resultType );
captureExpression();
}
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void ResultBuilder::captureExpectedException( std::string const& expectedMessage ) {
if( expectedMessage.empty() )
captureExpectedException( Matchers::Impl::MatchAllOf<std::string>() );
else
captureExpectedException( Matchers::Equals( expectedMessage ) );
}
void ResultBuilder::captureExpectedException( Matchers::Impl::MatcherBase<std::string> const& matcher ) {
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assert( !isFalseTest( m_assertionInfo.resultDisposition ) );
AssertionResultData data = m_data;
data.resultType = ResultWas::Ok;
data.reconstructedExpression = m_assertionInfo.capturedExpression;
std::string actualMessage = Catch::translateActiveException();
if( !matcher.match( actualMessage ) ) {
data.resultType = ResultWas::ExpressionFailed;
data.reconstructedExpression = actualMessage;
}
AssertionResult result( m_assertionInfo, data );
handleResult( result );
}
void ResultBuilder::captureExpression() {
AssertionResult result = build();
handleResult( result );
}
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void ResultBuilder::handleResult( AssertionResult const& result )
{
getResultCapture().assertionEnded( result );
if( !result.isOk() ) {
if( getCurrentContext().getConfig()->shouldDebugBreak() )
m_shouldDebugBreak = true;
if( getCurrentContext().getRunner()->aborting() || (m_assertionInfo.resultDisposition & ResultDisposition::Normal) )
m_shouldThrow = true;
}
}
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void ResultBuilder::react() {
#if defined(CATCH_CONFIG_FAST_COMPILE)
if (m_shouldDebugBreak) {
///////////////////////////////////////////////////////////////////
// To inspect the state during test, you need to go one level up the callstack
// To go back to the test and change execution, jump over the throw statement
///////////////////////////////////////////////////////////////////
CATCH_BREAK_INTO_DEBUGGER();
}
#endif
if( m_shouldThrow )
throw Catch::TestFailureException();
}
bool ResultBuilder::shouldDebugBreak() const { return m_shouldDebugBreak; }
bool ResultBuilder::allowThrows() const { return getCurrentContext().getConfig()->allowThrows(); }
AssertionResult ResultBuilder::build() const
{
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return build( *this );
}
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// CAVEAT: The returned AssertionResult stores a pointer to the argument expr,
// a temporary DecomposedExpression, which in turn holds references to
// operands, possibly temporary as well.
// It should immediately be passed to handleResult; if the expression
// needs to be reported, its string expansion must be composed before
// the temporaries are destroyed.
AssertionResult ResultBuilder::build( DecomposedExpression const& expr ) const
{
assert( m_data.resultType != ResultWas::Unknown );
AssertionResultData data = m_data;
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// Flip bool results if FalseTest flag is set
if( isFalseTest( m_assertionInfo.resultDisposition ) ) {
data.negate( expr.isBinaryExpression() );
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}
data.message = m_stream.oss.str();
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data.decomposedExpression = &expr; // for lazy reconstruction
return AssertionResult( m_assertionInfo, data );
}
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void ResultBuilder::reconstructExpression( std::string& dest ) const {
dest = m_assertionInfo.capturedExpression;
}
void ResultBuilder::setExceptionGuard() {
m_guardException = true;
}
void ResultBuilder::unsetExceptionGuard() {
m_guardException = false;
}
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_RESULT_BUILDER_HPP_INCLUDED