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https://github.com/catchorg/Catch2.git
synced 2024-11-04 05:09:53 +01:00
reseeds rng before each test case and provides access to seed through Catch::rngSeed() function
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@ -198,7 +198,7 @@ namespace Catch {
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if( m_configData.filenamesAsTags )
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if( m_configData.filenamesAsTags )
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applyFilenamesAsTags();
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applyFilenamesAsTags();
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std::srand( m_configData.rngSeed );
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seedRng( *m_config );
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Runner runner( m_config );
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Runner runner( m_config );
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@ -23,6 +23,8 @@
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namespace Catch {
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namespace Catch {
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struct IConfig;
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class NonCopyable {
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class NonCopyable {
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#ifdef CATCH_CONFIG_CPP11_GENERATED_METHODS
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#ifdef CATCH_CONFIG_CPP11_GENERATED_METHODS
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NonCopyable( NonCopyable const& ) = delete;
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NonCopyable( NonCopyable const& ) = delete;
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@ -109,6 +111,9 @@ namespace Catch {
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void throwLogicError( std::string const& message, SourceLineInfo const& locationInfo );
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void throwLogicError( std::string const& message, SourceLineInfo const& locationInfo );
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void seedRng( IConfig const& config );
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unsigned int rngSeed();
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// Use this in variadic streaming macros to allow
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// Use this in variadic streaming macros to allow
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// >> +StreamEndStop
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// >> +StreamEndStop
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// as well as
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// as well as
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@ -82,6 +82,14 @@ namespace Catch {
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return line < other.line || ( line == other.line && file < other.file );
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return line < other.line || ( line == other.line && file < other.file );
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}
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}
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void seedRng( IConfig const& config ) {
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if( config.rngSeed() != 0 )
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std::srand( config.rngSeed() );
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}
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unsigned int rngSeed() {
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return getCurrentContext().getConfig()->rngSeed();
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}
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std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info ) {
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std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info ) {
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#ifndef __GNUG__
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#ifndef __GNUG__
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os << info.file << "(" << info.line << ")";
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os << info.file << "(" << info.line << ")";
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@ -259,6 +259,8 @@ namespace Catch {
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m_lastAssertionInfo = AssertionInfo( "TEST_CASE", testCaseInfo.lineInfo, "", ResultDisposition::Normal );
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m_lastAssertionInfo = AssertionInfo( "TEST_CASE", testCaseInfo.lineInfo, "", ResultDisposition::Normal );
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TestCaseTracker::Guard guard( *m_testCaseTracker );
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TestCaseTracker::Guard guard( *m_testCaseTracker );
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seedRng( *m_config );
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Timer timer;
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Timer timer;
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timer.start();
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timer.start();
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if( m_reporter->getPreferences().shouldRedirectStdOut ) {
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if( m_reporter->getPreferences().shouldRedirectStdOut ) {
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@ -90,6 +90,8 @@ namespace Catch {
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break;
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break;
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case RunTests::InRandomOrder:
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case RunTests::InRandomOrder:
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{
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{
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seedRng( config );
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RandomNumberGenerator rng;
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RandomNumberGenerator rng;
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std::random_shuffle( matchingTestCases.begin(), matchingTestCases.end(), rng );
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std::random_shuffle( matchingTestCases.begin(), matchingTestCases.end(), rng );
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}
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}
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