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/*
* Created by Phil on 8/8/2017.
* Copyright 2017 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)
*/
#include "catch_assertionhandler.h"
#include "catch_assertionresult.h"
#include "catch_interfaces_capture.h"
#include "catch_interfaces_runner.h"
#include "catch_interfaces_config.h"
#include "catch_context.h"
#include "catch_debugger.h"
#include "catch_interfaces_registry_hub.h"
#include "catch_capture_matchers.h"
#include <cassert>
namespace Catch {
auto operator <<( std::ostream& os, ITransientExpression const& expr ) -> std::ostream& {
expr.streamReconstructedExpression( os );
return os;
}
LazyExpression::LazyExpression( bool isNegated )
: m_isNegated( isNegated )
{}
LazyExpression::LazyExpression( LazyExpression const& other ) : m_isNegated( other.m_isNegated ) {}
LazyExpression::operator bool() const {
return m_transientExpression != nullptr;
}
auto operator << ( std::ostream& os, LazyExpression const& lazyExpr ) -> std::ostream& {
if( lazyExpr.m_isNegated )
os << "!";
if( lazyExpr ) {
if( lazyExpr.m_isNegated && lazyExpr.m_transientExpression->isBinaryExpression() )
os << "(" << *lazyExpr.m_transientExpression << ")";
else
os << *lazyExpr.m_transientExpression;
}
else {
os << "{** error - unchecked empty expression requested **}";
}
return os;
}
AssertionHandler::AssertionHandler
( StringRef macroName,
SourceLineInfo const& lineInfo,
StringRef capturedExpression,
ResultDisposition::Flags resultDisposition )
: m_assertionInfo{ macroName, lineInfo, capturedExpression, resultDisposition }
{
getCurrentContext().getResultCapture()->assertionStarting( m_assertionInfo );
}
AssertionHandler::~AssertionHandler() {
if ( m_inExceptionGuard ) {
handle( ResultWas::ThrewException, "Exception translation was disabled by CATCH_CONFIG_FAST_COMPILE" );
getCurrentContext().getResultCapture()->exceptionEarlyReported();
}
}
void AssertionHandler::handle( ITransientExpression const& expr ) {
bool negated = isFalseTest( m_assertionInfo.resultDisposition );
bool result = expr.getResult() != negated;
handle( result ? ResultWas::Ok : ResultWas::ExpressionFailed, &expr, negated );
}
void AssertionHandler::handle( ResultWas::OfType resultType ) {
handle( resultType, nullptr, false );
}
void AssertionHandler::handle( ResultWas::OfType resultType, StringRef const& message ) {
AssertionResultData data( resultType, LazyExpression( false ) );
data.message = message;
handle( data, nullptr );
}
void AssertionHandler::handle( ResultWas::OfType resultType, ITransientExpression const* expr, bool negated ) {
AssertionResultData data( resultType, LazyExpression( negated ) );
handle( data, expr );
}
void AssertionHandler::handle( AssertionResultData const& resultData, ITransientExpression const* expr ) {
getResultCapture().assertionRun();
AssertionResult assertionResult{ m_assertionInfo, resultData };
assertionResult.m_resultData.lazyExpression.m_transientExpression = expr;
getResultCapture().assertionEnded( assertionResult );
if( !assertionResult.isOk() ) {
m_shouldDebugBreak = getCurrentContext().getConfig()->shouldDebugBreak();
m_shouldThrow =
getCurrentContext().getRunner()->aborting() ||
(m_assertionInfo.resultDisposition & ResultDisposition::Normal);
}
}
auto AssertionHandler::allowThrows() const -> bool {
return getCurrentContext().getConfig()->allowThrows();
}
auto AssertionHandler::shouldDebugBreak() const -> bool {
return m_shouldDebugBreak;
}
void AssertionHandler::reactWithDebugBreak() const {
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 reactWithoutDebugBreak() call
///////////////////////////////////////////////////////////////////
CATCH_BREAK_INTO_DEBUGGER();
}
reactWithoutDebugBreak();
}
void AssertionHandler::reactWithoutDebugBreak() const {
if( m_shouldThrow )
throw Catch::TestFailureException();
}
void AssertionHandler::useActiveException() {
handle( ResultWas::ThrewException, Catch::translateActiveException() );
}
void AssertionHandler::setExceptionGuard() {
assert( m_inExceptionGuard == false );
m_inExceptionGuard = true;
}
void AssertionHandler::unsetExceptionGuard() {
assert( m_inExceptionGuard == true );
m_inExceptionGuard = false;
}
// This is the overload that takes a string and infers the Equals matcher from it
// The more general overload, that takes any string matcher, is in catch_capture_matchers.cpp
void handleExceptionMatchExpr( AssertionHandler& handler, std::string const& str, StringRef matcherString ) {
handleExceptionMatchExpr( handler, Matchers::Equals( str ), matcherString );
}
} // namespace Catch
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