catch2/include/internal/catch_result_builder.h
Phil Nash 7fed25ad1f New Matchers implementation
- simpler
- less templates and machinery
- no cloning, copying or unnecessary heap allocations
- better factored
2017-02-14 09:16:54 +00:00

113 lines
3.7 KiB
C++

/*
* 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_H_INCLUDED
#define TWOBLUECUBES_CATCH_RESULT_BUILDER_H_INCLUDED
#include "catch_result_type.h"
#include "catch_assertionresult.h"
#include "catch_common.h"
#include "catch_matchers.hpp"
namespace Catch {
struct TestFailureException{};
template<typename T> class ExpressionLhs;
struct CopyableStream {
CopyableStream() {}
CopyableStream( CopyableStream const& other ) {
oss << other.oss.str();
}
CopyableStream& operator=( CopyableStream const& other ) {
oss.str(std::string());
oss << other.oss.str();
return *this;
}
std::ostringstream oss;
};
class ResultBuilder : public DecomposedExpression {
public:
ResultBuilder( char const* macroName,
SourceLineInfo const& lineInfo,
char const* capturedExpression,
ResultDisposition::Flags resultDisposition,
char const* secondArg = "" );
template<typename T>
ExpressionLhs<T const&> operator <= ( T const& operand );
ExpressionLhs<bool> operator <= ( bool value );
template<typename T>
ResultBuilder& operator << ( T const& value ) {
m_stream.oss << value;
return *this;
}
ResultBuilder& setResultType( ResultWas::OfType result );
ResultBuilder& setResultType( bool result );
void endExpression( DecomposedExpression const& expr );
virtual void reconstructExpression( std::string& dest ) const CATCH_OVERRIDE;
AssertionResult build() const;
AssertionResult build( DecomposedExpression const& expr ) const;
void useActiveException( ResultDisposition::Flags resultDisposition = ResultDisposition::Normal );
void captureResult( ResultWas::OfType resultType );
void captureExpression();
void captureExpectedException( std::string const& expectedMessage );
void captureExpectedException( Matchers::Impl::MatcherBase<std::string> const& matcher );
void handleResult( AssertionResult const& result );
void react();
bool shouldDebugBreak() const;
bool allowThrows() const;
template<typename ArgT, typename MatcherT>
void captureMatch( ArgT const& arg, MatcherT const& matcher, char const* matcherString );
private:
AssertionInfo m_assertionInfo;
AssertionResultData m_data;
CopyableStream m_stream;
bool m_shouldDebugBreak;
bool m_shouldThrow;
};
} // namespace Catch
// Include after due to circular dependency:
#include "catch_expression_lhs.hpp"
namespace Catch {
template<typename T>
inline ExpressionLhs<T const&> ResultBuilder::operator <= ( T const& operand ) {
return ExpressionLhs<T const&>( *this, operand );
}
inline ExpressionLhs<bool> ResultBuilder::operator <= ( bool value ) {
return ExpressionLhs<bool>( *this, value );
}
template<typename ArgT, typename MatcherT>
inline void ResultBuilder::captureMatch( ArgT const& arg, MatcherT const& matcher,
char const* matcherString ) {
MatchExpression<ArgT const&, MatcherT const&> expr( arg, matcher, matcherString );
setResultType( matcher.match( arg ) );
endExpression( expr );
}
} // namespace Catch
#endif // TWOBLUECUBES_CATCH_RESULT_BUILDER_H_INCLUDED