mirror of https://github.com/procxx/kepka.git
466 lines
16 KiB
C++
466 lines
16 KiB
C++
#include "catch_run_context.h"
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#include "catch_context.h"
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#include "catch_enforce.h"
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#include "catch_random_number_generator.h"
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#include "catch_stream.h"
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#include <cassert>
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#include <algorithm>
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#include <sstream>
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namespace Catch {
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class RedirectedStream {
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std::ostream& m_originalStream;
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std::ostream& m_redirectionStream;
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std::streambuf* m_prevBuf;
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public:
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RedirectedStream( std::ostream& originalStream, std::ostream& redirectionStream )
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: m_originalStream( originalStream ),
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m_redirectionStream( redirectionStream ),
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m_prevBuf( m_originalStream.rdbuf() )
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{
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m_originalStream.rdbuf( m_redirectionStream.rdbuf() );
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}
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~RedirectedStream() {
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m_originalStream.rdbuf( m_prevBuf );
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}
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};
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class RedirectedStdOut {
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ReusableStringStream m_rss;
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RedirectedStream m_cout;
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public:
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RedirectedStdOut() : m_cout( Catch::cout(), m_rss.get() ) {}
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auto str() const -> std::string { return m_rss.str(); }
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};
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// StdErr has two constituent streams in C++, std::cerr and std::clog
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// This means that we need to redirect 2 streams into 1 to keep proper
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// order of writes
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class RedirectedStdErr {
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ReusableStringStream m_rss;
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RedirectedStream m_cerr;
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RedirectedStream m_clog;
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public:
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RedirectedStdErr()
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: m_cerr( Catch::cerr(), m_rss.get() ),
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m_clog( Catch::clog(), m_rss.get() )
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{}
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auto str() const -> std::string { return m_rss.str(); }
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};
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RunContext::RunContext(IConfigPtr const& _config, IStreamingReporterPtr&& reporter)
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: m_runInfo(_config->name()),
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m_context(getCurrentMutableContext()),
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m_config(_config),
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m_reporter(std::move(reporter)),
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m_lastAssertionInfo{ StringRef(), SourceLineInfo("",0), StringRef(), ResultDisposition::Normal },
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m_includeSuccessfulResults( m_config->includeSuccessfulResults() )
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{
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m_context.setRunner(this);
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m_context.setConfig(m_config);
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m_context.setResultCapture(this);
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m_reporter->testRunStarting(m_runInfo);
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}
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RunContext::~RunContext() {
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m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, aborting()));
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}
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void RunContext::testGroupStarting(std::string const& testSpec, std::size_t groupIndex, std::size_t groupsCount) {
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m_reporter->testGroupStarting(GroupInfo(testSpec, groupIndex, groupsCount));
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}
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void RunContext::testGroupEnded(std::string const& testSpec, Totals const& totals, std::size_t groupIndex, std::size_t groupsCount) {
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m_reporter->testGroupEnded(TestGroupStats(GroupInfo(testSpec, groupIndex, groupsCount), totals, aborting()));
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}
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Totals RunContext::runTest(TestCase const& testCase) {
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Totals prevTotals = m_totals;
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std::string redirectedCout;
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std::string redirectedCerr;
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auto const& testInfo = testCase.getTestCaseInfo();
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m_reporter->testCaseStarting(testInfo);
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m_activeTestCase = &testCase;
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ITracker& rootTracker = m_trackerContext.startRun();
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assert(rootTracker.isSectionTracker());
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static_cast<SectionTracker&>(rootTracker).addInitialFilters(m_config->getSectionsToRun());
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do {
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m_trackerContext.startCycle();
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m_testCaseTracker = &SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(testInfo.name, testInfo.lineInfo));
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runCurrentTest(redirectedCout, redirectedCerr);
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} while (!m_testCaseTracker->isSuccessfullyCompleted() && !aborting());
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Totals deltaTotals = m_totals.delta(prevTotals);
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if (testInfo.expectedToFail() && deltaTotals.testCases.passed > 0) {
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deltaTotals.assertions.failed++;
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deltaTotals.testCases.passed--;
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deltaTotals.testCases.failed++;
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}
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m_totals.testCases += deltaTotals.testCases;
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m_reporter->testCaseEnded(TestCaseStats(testInfo,
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deltaTotals,
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redirectedCout,
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redirectedCerr,
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aborting()));
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m_activeTestCase = nullptr;
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m_testCaseTracker = nullptr;
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return deltaTotals;
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}
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IConfigPtr RunContext::config() const {
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return m_config;
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}
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IStreamingReporter& RunContext::reporter() const {
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return *m_reporter;
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}
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void RunContext::assertionEnded(AssertionResult const & result) {
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if (result.getResultType() == ResultWas::Ok) {
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m_totals.assertions.passed++;
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m_lastAssertionPassed = true;
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} else if (!result.isOk()) {
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m_lastAssertionPassed = false;
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if( m_activeTestCase->getTestCaseInfo().okToFail() )
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m_totals.assertions.failedButOk++;
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else
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m_totals.assertions.failed++;
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}
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else {
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m_lastAssertionPassed = true;
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}
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// We have no use for the return value (whether messages should be cleared), because messages were made scoped
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// and should be let to clear themselves out.
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static_cast<void>(m_reporter->assertionEnded(AssertionStats(result, m_messages, m_totals)));
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// Reset working state
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resetAssertionInfo();
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m_lastResult = result;
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}
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void RunContext::resetAssertionInfo() {
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m_lastAssertionInfo.macroName = StringRef();
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m_lastAssertionInfo.capturedExpression = "{Unknown expression after the reported line}"_sr;
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}
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bool RunContext::sectionStarted(SectionInfo const & sectionInfo, Counts & assertions) {
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ITracker& sectionTracker = SectionTracker::acquire(m_trackerContext, TestCaseTracking::NameAndLocation(sectionInfo.name, sectionInfo.lineInfo));
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if (!sectionTracker.isOpen())
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return false;
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m_activeSections.push_back(§ionTracker);
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m_lastAssertionInfo.lineInfo = sectionInfo.lineInfo;
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m_reporter->sectionStarting(sectionInfo);
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assertions = m_totals.assertions;
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return true;
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}
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bool RunContext::testForMissingAssertions(Counts& assertions) {
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if (assertions.total() != 0)
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return false;
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if (!m_config->warnAboutMissingAssertions())
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return false;
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if (m_trackerContext.currentTracker().hasChildren())
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return false;
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m_totals.assertions.failed++;
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assertions.failed++;
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return true;
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}
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void RunContext::sectionEnded(SectionEndInfo const & endInfo) {
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Counts assertions = m_totals.assertions - endInfo.prevAssertions;
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bool missingAssertions = testForMissingAssertions(assertions);
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if (!m_activeSections.empty()) {
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m_activeSections.back()->close();
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m_activeSections.pop_back();
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}
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m_reporter->sectionEnded(SectionStats(endInfo.sectionInfo, assertions, endInfo.durationInSeconds, missingAssertions));
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m_messages.clear();
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}
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void RunContext::sectionEndedEarly(SectionEndInfo const & endInfo) {
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if (m_unfinishedSections.empty())
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m_activeSections.back()->fail();
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else
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m_activeSections.back()->close();
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m_activeSections.pop_back();
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m_unfinishedSections.push_back(endInfo);
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}
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void RunContext::benchmarkStarting( BenchmarkInfo const& info ) {
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m_reporter->benchmarkStarting( info );
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}
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void RunContext::benchmarkEnded( BenchmarkStats const& stats ) {
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m_reporter->benchmarkEnded( stats );
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}
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void RunContext::pushScopedMessage(MessageInfo const & message) {
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m_messages.push_back(message);
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}
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void RunContext::popScopedMessage(MessageInfo const & message) {
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m_messages.erase(std::remove(m_messages.begin(), m_messages.end(), message), m_messages.end());
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}
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std::string RunContext::getCurrentTestName() const {
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return m_activeTestCase
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? m_activeTestCase->getTestCaseInfo().name
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: std::string();
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}
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const AssertionResult * RunContext::getLastResult() const {
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return &(*m_lastResult);
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}
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void RunContext::exceptionEarlyReported() {
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m_shouldReportUnexpected = false;
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}
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void RunContext::handleFatalErrorCondition( StringRef message ) {
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// First notify reporter that bad things happened
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m_reporter->fatalErrorEncountered(message);
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// Don't rebuild the result -- the stringification itself can cause more fatal errors
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// Instead, fake a result data.
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AssertionResultData tempResult( ResultWas::FatalErrorCondition, { false } );
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tempResult.message = message;
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AssertionResult result(m_lastAssertionInfo, tempResult);
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assertionEnded(result);
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handleUnfinishedSections();
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// Recreate section for test case (as we will lose the one that was in scope)
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auto const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
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SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name, testCaseInfo.description);
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Counts assertions;
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assertions.failed = 1;
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SectionStats testCaseSectionStats(testCaseSection, assertions, 0, false);
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m_reporter->sectionEnded(testCaseSectionStats);
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auto const& testInfo = m_activeTestCase->getTestCaseInfo();
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Totals deltaTotals;
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deltaTotals.testCases.failed = 1;
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deltaTotals.assertions.failed = 1;
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m_reporter->testCaseEnded(TestCaseStats(testInfo,
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deltaTotals,
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std::string(),
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std::string(),
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false));
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m_totals.testCases.failed++;
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testGroupEnded(std::string(), m_totals, 1, 1);
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m_reporter->testRunEnded(TestRunStats(m_runInfo, m_totals, false));
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}
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bool RunContext::lastAssertionPassed() {
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return m_lastAssertionPassed;
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}
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void RunContext::assertionPassed() {
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m_lastAssertionPassed = true;
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++m_totals.assertions.passed;
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resetAssertionInfo();
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}
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bool RunContext::aborting() const {
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return m_totals.assertions.failed == static_cast<std::size_t>(m_config->abortAfter());
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}
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void RunContext::runCurrentTest(std::string & redirectedCout, std::string & redirectedCerr) {
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auto const& testCaseInfo = m_activeTestCase->getTestCaseInfo();
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SectionInfo testCaseSection(testCaseInfo.lineInfo, testCaseInfo.name, testCaseInfo.description);
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m_reporter->sectionStarting(testCaseSection);
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Counts prevAssertions = m_totals.assertions;
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double duration = 0;
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m_shouldReportUnexpected = true;
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m_lastAssertionInfo = { "TEST_CASE"_sr, testCaseInfo.lineInfo, StringRef(), ResultDisposition::Normal };
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seedRng(*m_config);
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Timer timer;
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try {
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if (m_reporter->getPreferences().shouldRedirectStdOut) {
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RedirectedStdOut redirectedStdOut;
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RedirectedStdErr redirectedStdErr;
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timer.start();
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invokeActiveTestCase();
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redirectedCout += redirectedStdOut.str();
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redirectedCerr += redirectedStdErr.str();
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} else {
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timer.start();
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invokeActiveTestCase();
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}
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duration = timer.getElapsedSeconds();
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} catch (TestFailureException&) {
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// This just means the test was aborted due to failure
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} catch (...) {
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// Under CATCH_CONFIG_FAST_COMPILE, unexpected exceptions under REQUIRE assertions
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// are reported without translation at the point of origin.
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if( m_shouldReportUnexpected ) {
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AssertionReaction dummyReaction;
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handleUnexpectedInflightException( m_lastAssertionInfo, translateActiveException(), dummyReaction );
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}
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}
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Counts assertions = m_totals.assertions - prevAssertions;
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bool missingAssertions = testForMissingAssertions(assertions);
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m_testCaseTracker->close();
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handleUnfinishedSections();
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m_messages.clear();
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SectionStats testCaseSectionStats(testCaseSection, assertions, duration, missingAssertions);
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m_reporter->sectionEnded(testCaseSectionStats);
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}
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void RunContext::invokeActiveTestCase() {
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FatalConditionHandler fatalConditionHandler; // Handle signals
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m_activeTestCase->invoke();
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fatalConditionHandler.reset();
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}
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void RunContext::handleUnfinishedSections() {
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// If sections ended prematurely due to an exception we stored their
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// infos here so we can tear them down outside the unwind process.
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for (auto it = m_unfinishedSections.rbegin(),
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itEnd = m_unfinishedSections.rend();
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it != itEnd;
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++it)
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sectionEnded(*it);
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m_unfinishedSections.clear();
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}
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void RunContext::handleExpr(
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AssertionInfo const& info,
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ITransientExpression const& expr,
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AssertionReaction& reaction
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) {
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m_reporter->assertionStarting( info );
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bool negated = isFalseTest( info.resultDisposition );
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bool result = expr.getResult() != negated;
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if( result ) {
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if (!m_includeSuccessfulResults) {
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assertionPassed();
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}
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else {
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reportExpr(info, ResultWas::Ok, &expr, negated);
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}
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}
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else {
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reportExpr(info, ResultWas::ExpressionFailed, &expr, negated );
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populateReaction( reaction );
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}
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}
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void RunContext::reportExpr(
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AssertionInfo const &info,
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ResultWas::OfType resultType,
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ITransientExpression const *expr,
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bool negated ) {
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m_lastAssertionInfo = info;
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AssertionResultData data( resultType, LazyExpression( negated ) );
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AssertionResult assertionResult{ info, data };
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assertionResult.m_resultData.lazyExpression.m_transientExpression = expr;
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assertionEnded( assertionResult );
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}
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void RunContext::handleMessage(
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AssertionInfo const& info,
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ResultWas::OfType resultType,
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StringRef const& message,
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AssertionReaction& reaction
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) {
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m_reporter->assertionStarting( info );
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m_lastAssertionInfo = info;
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AssertionResultData data( resultType, LazyExpression( false ) );
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data.message = message;
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AssertionResult assertionResult{ m_lastAssertionInfo, data };
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assertionEnded( assertionResult );
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if( !assertionResult.isOk() )
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populateReaction( reaction );
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}
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void RunContext::handleUnexpectedExceptionNotThrown(
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AssertionInfo const& info,
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AssertionReaction& reaction
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) {
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handleNonExpr(info, Catch::ResultWas::DidntThrowException, reaction);
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}
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void RunContext::handleUnexpectedInflightException(
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AssertionInfo const& info,
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std::string const& message,
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AssertionReaction& reaction
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) {
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m_lastAssertionInfo = info;
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AssertionResultData data( ResultWas::ThrewException, LazyExpression( false ) );
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data.message = message;
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AssertionResult assertionResult{ info, data };
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assertionEnded( assertionResult );
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populateReaction( reaction );
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}
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void RunContext::populateReaction( AssertionReaction& reaction ) {
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reaction.shouldDebugBreak = m_config->shouldDebugBreak();
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reaction.shouldThrow = aborting() || (m_lastAssertionInfo.resultDisposition & ResultDisposition::Normal);
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}
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void RunContext::handleIncomplete(
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AssertionInfo const& info
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) {
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m_lastAssertionInfo = info;
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AssertionResultData data( ResultWas::ThrewException, LazyExpression( false ) );
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data.message = "Exception translation was disabled by CATCH_CONFIG_FAST_COMPILE";
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AssertionResult assertionResult{ info, data };
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assertionEnded( assertionResult );
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}
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void RunContext::handleNonExpr(
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AssertionInfo const &info,
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ResultWas::OfType resultType,
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AssertionReaction &reaction
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) {
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m_lastAssertionInfo = info;
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AssertionResultData data( resultType, LazyExpression( false ) );
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AssertionResult assertionResult{ info, data };
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assertionEnded( assertionResult );
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if( !assertionResult.isOk() )
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populateReaction( reaction );
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}
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IResultCapture& getResultCapture() {
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if (auto* capture = getCurrentContext().getResultCapture())
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return *capture;
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else
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CATCH_INTERNAL_ERROR("No result capture instance");
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}
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}
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