Alien-catch

 view release on metacpan or  search on metacpan

src/catch.hpp  view on Meta::CPAN

        class ExcludedPattern : public Pattern {
        public:
            ExcludedPattern( PatternPtr const& underlyingPattern );
            virtual ~ExcludedPattern();
            virtual bool matches( TestCaseInfo const& testCase ) const override;
        private:
            PatternPtr m_underlyingPattern;
        };

        struct Filter {
            std::vector<PatternPtr> m_patterns;

            bool matches( TestCaseInfo const& testCase ) const;
        };

    public:
        bool hasFilters() const;
        bool matches( TestCaseInfo const& testCase ) const;

    private:
        std::vector<Filter> m_filters;

        friend class TestSpecParser;
    };
}

#ifdef __clang__
#pragma clang diagnostic pop
#endif

// end catch_test_spec.h
// start catch_interfaces_tag_alias_registry.h

#include <string>

namespace Catch {

    struct TagAlias;

    struct ITagAliasRegistry {
        virtual ~ITagAliasRegistry();
        // Nullptr if not present
        virtual TagAlias const* find( std::string const& alias ) const = 0;
        virtual std::string expandAliases( std::string const& unexpandedTestSpec ) const = 0;

        static ITagAliasRegistry const& get();
    };

} // end namespace Catch

// end catch_interfaces_tag_alias_registry.h
namespace Catch {

    class TestSpecParser {
        enum Mode{ None, Name, QuotedName, Tag, EscapedName };
        Mode m_mode = None;
        bool m_exclusion = false;
        std::size_t m_start = std::string::npos, m_pos = 0;
        std::string m_arg;
        std::vector<std::size_t> m_escapeChars;
        TestSpec::Filter m_currentFilter;
        TestSpec m_testSpec;
        ITagAliasRegistry const* m_tagAliases = nullptr;

    public:
        TestSpecParser( ITagAliasRegistry const& tagAliases );

        TestSpecParser& parse( std::string const& arg );
        TestSpec testSpec();

    private:
        void visitChar( char c );
        void startNewMode( Mode mode, std::size_t start );
        void escape();
        std::string subString() const;

        template<typename T>
        void addPattern() {
            std::string token = subString();
            for( std::size_t i = 0; i < m_escapeChars.size(); ++i )
                token = token.substr( 0, m_escapeChars[i]-m_start-i ) + token.substr( m_escapeChars[i]-m_start-i+1 );
            m_escapeChars.clear();
            if( startsWith( token, "exclude:" ) ) {
                m_exclusion = true;
                token = token.substr( 8 );
            }
            if( !token.empty() ) {
                TestSpec::PatternPtr pattern = std::make_shared<T>( token );
                if( m_exclusion )
                    pattern = std::make_shared<TestSpec::ExcludedPattern>( pattern );
                m_currentFilter.m_patterns.push_back( pattern );
            }
            m_exclusion = false;
            m_mode = None;
        }

        void addFilter();
    };
    TestSpec parseTestSpec( std::string const& arg );

} // namespace Catch

#ifdef __clang__
#pragma clang diagnostic pop
#endif

// end catch_test_spec_parser.h
// start catch_interfaces_config.h

#include <iosfwd>
#include <string>
#include <vector>
#include <memory>

namespace Catch {

    enum class Verbosity {
        Quiet = 0,
        Normal,
        High
    };

    struct WarnAbout { enum What {
        Nothing = 0x00,
        NoAssertions = 0x01,
        NoTests = 0x02
    }; };

    struct ShowDurations { enum OrNot {
        DefaultForReporter,
        Always,
        Never
    }; };
    struct RunTests { enum InWhatOrder {
        InDeclarationOrder,
        InLexicographicalOrder,
        InRandomOrder
    }; };
    struct UseColour { enum YesOrNo {
        Auto,
        Yes,
        No

src/catch.hpp  view on Meta::CPAN

        WORD originalBackgroundAttributes;
    };

    IColourImpl* platformColourInstance() {
        static Win32ColourImpl s_instance;

        IConfigPtr config = getCurrentContext().getConfig();
        UseColour::YesOrNo colourMode = config
            ? config->useColour()
            : UseColour::Auto;
        if( colourMode == UseColour::Auto )
            colourMode = UseColour::Yes;
        return colourMode == UseColour::Yes
            ? &s_instance
            : NoColourImpl::instance();
    }

} // end anon namespace
} // end namespace Catch

#elif defined( CATCH_CONFIG_COLOUR_ANSI ) //////////////////////////////////////

#include <unistd.h>

namespace Catch {
namespace {

    // use POSIX/ ANSI console terminal codes
    // Thanks to Adam Strzelecki for original contribution
    // (http://github.com/nanoant)
    // https://github.com/philsquared/Catch/pull/131
    class PosixColourImpl : public IColourImpl {
    public:
        virtual void use( Colour::Code _colourCode ) override {
            switch( _colourCode ) {
                case Colour::None:
                case Colour::White:     return setColour( "[0m" );
                case Colour::Red:       return setColour( "[0;31m" );
                case Colour::Green:     return setColour( "[0;32m" );
                case Colour::Blue:      return setColour( "[0;34m" );
                case Colour::Cyan:      return setColour( "[0;36m" );
                case Colour::Yellow:    return setColour( "[0;33m" );
                case Colour::Grey:      return setColour( "[1;30m" );

                case Colour::LightGrey:     return setColour( "[0;37m" );
                case Colour::BrightRed:     return setColour( "[1;31m" );
                case Colour::BrightGreen:   return setColour( "[1;32m" );
                case Colour::BrightWhite:   return setColour( "[1;37m" );
                case Colour::BrightYellow:  return setColour( "[1;33m" );

                case Colour::Bright: CATCH_INTERNAL_ERROR( "not a colour" );
                default: CATCH_INTERNAL_ERROR( "Unknown colour requested" );
            }
        }
        static IColourImpl* instance() {
            static PosixColourImpl s_instance;
            return &s_instance;
        }

    private:
        void setColour( const char* _escapeCode ) {
            Catch::cout() << '\033' << _escapeCode;
        }
    };

    bool useColourOnPlatform() {
        return
#ifdef CATCH_PLATFORM_MAC
            !isDebuggerActive() &&
#endif
#if !(defined(__DJGPP__) && defined(__STRICT_ANSI__))
            isatty(STDOUT_FILENO)
#else
            false
#endif
            ;
    }
    IColourImpl* platformColourInstance() {
        ErrnoGuard guard;
        IConfigPtr config = getCurrentContext().getConfig();
        UseColour::YesOrNo colourMode = config
            ? config->useColour()
            : UseColour::Auto;
        if( colourMode == UseColour::Auto )
            colourMode = useColourOnPlatform()
                ? UseColour::Yes
                : UseColour::No;
        return colourMode == UseColour::Yes
            ? PosixColourImpl::instance()
            : NoColourImpl::instance();
    }

} // end anon namespace
} // end namespace Catch

#else  // not Windows or ANSI ///////////////////////////////////////////////

namespace Catch {

    static IColourImpl* platformColourInstance() { return NoColourImpl::instance(); }

} // end namespace Catch

#endif // Windows/ ANSI/ None

namespace Catch {

    Colour::Colour( Code _colourCode ) { use( _colourCode ); }
    Colour::Colour( Colour&& rhs ) noexcept {
        m_moved = rhs.m_moved;
        rhs.m_moved = true;
    }
    Colour& Colour::operator=( Colour&& rhs ) noexcept {
        m_moved = rhs.m_moved;
        rhs.m_moved  = true;
        return *this;
    }

    Colour::~Colour(){ if( !m_moved ) use( None ); }

    void Colour::use( Code _colourCode ) {
        static IColourImpl* impl = platformColourInstance();

src/catch.hpp  view on Meta::CPAN

#include <string>
#include <vector>
#include <memory>

namespace Catch {

    TestSpec::Pattern::~Pattern() = default;
    TestSpec::NamePattern::~NamePattern() = default;
    TestSpec::TagPattern::~TagPattern() = default;
    TestSpec::ExcludedPattern::~ExcludedPattern() = default;

    TestSpec::NamePattern::NamePattern( std::string const& name )
    : m_wildcardPattern( toLower( name ), CaseSensitive::No )
    {}
    bool TestSpec::NamePattern::matches( TestCaseInfo const& testCase ) const {
        return m_wildcardPattern.matches( toLower( testCase.name ) );
    }

    TestSpec::TagPattern::TagPattern( std::string const& tag ) : m_tag( toLower( tag ) ) {}
    bool TestSpec::TagPattern::matches( TestCaseInfo const& testCase ) const {
        return std::find(begin(testCase.lcaseTags),
                         end(testCase.lcaseTags),
                         m_tag) != end(testCase.lcaseTags);
    }

    TestSpec::ExcludedPattern::ExcludedPattern( PatternPtr const& underlyingPattern ) : m_underlyingPattern( underlyingPattern ) {}
    bool TestSpec::ExcludedPattern::matches( TestCaseInfo const& testCase ) const { return !m_underlyingPattern->matches( testCase ); }

    bool TestSpec::Filter::matches( TestCaseInfo const& testCase ) const {
        // All patterns in a filter must match for the filter to be a match
        for( auto const& pattern : m_patterns ) {
            if( !pattern->matches( testCase ) )
                return false;
        }
        return true;
    }

    bool TestSpec::hasFilters() const {
        return !m_filters.empty();
    }
    bool TestSpec::matches( TestCaseInfo const& testCase ) const {
        // A TestSpec matches if any filter matches
        for( auto const& filter : m_filters )
            if( filter.matches( testCase ) )
                return true;
        return false;
    }
}
// end catch_test_spec.cpp
// start catch_test_spec_parser.cpp

namespace Catch {

    TestSpecParser::TestSpecParser( ITagAliasRegistry const& tagAliases ) : m_tagAliases( &tagAliases ) {}

    TestSpecParser& TestSpecParser::parse( std::string const& arg ) {
        m_mode = None;
        m_exclusion = false;
        m_start = std::string::npos;
        m_arg = m_tagAliases->expandAliases( arg );
        m_escapeChars.clear();
        for( m_pos = 0; m_pos < m_arg.size(); ++m_pos )
            visitChar( m_arg[m_pos] );
        if( m_mode == Name )
            addPattern<TestSpec::NamePattern>();
        return *this;
    }
    TestSpec TestSpecParser::testSpec() {
        addFilter();
        return m_testSpec;
    }

    void TestSpecParser::visitChar( char c ) {
        if( m_mode == None ) {
            switch( c ) {
            case ' ': return;
            case '~': m_exclusion = true; return;
            case '[': return startNewMode( Tag, ++m_pos );
            case '"': return startNewMode( QuotedName, ++m_pos );
            case '\\': return escape();
            default: startNewMode( Name, m_pos ); break;
            }
        }
        if( m_mode == Name ) {
            if( c == ',' ) {
                addPattern<TestSpec::NamePattern>();
                addFilter();
            }
            else if( c == '[' ) {
                if( subString() == "exclude:" )
                    m_exclusion = true;
                else
                    addPattern<TestSpec::NamePattern>();
                startNewMode( Tag, ++m_pos );
            }
            else if( c == '\\' )
                escape();
        }
        else if( m_mode == EscapedName )
            m_mode = Name;
        else if( m_mode == QuotedName && c == '"' )
            addPattern<TestSpec::NamePattern>();
        else if( m_mode == Tag && c == ']' )
            addPattern<TestSpec::TagPattern>();
    }
    void TestSpecParser::startNewMode( Mode mode, std::size_t start ) {
        m_mode = mode;
        m_start = start;
    }
    void TestSpecParser::escape() {
        if( m_mode == None )
            m_start = m_pos;
        m_mode = EscapedName;
        m_escapeChars.push_back( m_pos );
    }
    std::string TestSpecParser::subString() const { return m_arg.substr( m_start, m_pos - m_start ); }

    void TestSpecParser::addFilter() {
        if( !m_currentFilter.m_patterns.empty() ) {
            m_testSpec.m_filters.push_back( m_currentFilter );
            m_currentFilter = TestSpec::Filter();
        }
    }

    TestSpec parseTestSpec( std::string const& arg ) {
        return TestSpecParser( ITagAliasRegistry::get() ).parse( arg ).testSpec();
    }

} // namespace Catch
// end catch_test_spec_parser.cpp
// start catch_timer.cpp

#include <chrono>

static const uint64_t nanosecondsInSecond = 1000000000;

namespace Catch {

    auto getCurrentNanosecondsSinceEpoch() -> uint64_t {
        return std::chrono::duration_cast<std::chrono::nanoseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
    }

    namespace {
        auto estimateClockResolution() -> uint64_t {
            uint64_t sum = 0;
            static const uint64_t iterations = 1000000;

            auto startTime = getCurrentNanosecondsSinceEpoch();

            for( std::size_t i = 0; i < iterations; ++i ) {

                uint64_t ticks;
                uint64_t baseTicks = getCurrentNanosecondsSinceEpoch();
                do {
                    ticks = getCurrentNanosecondsSinceEpoch();
                } while( ticks == baseTicks );

                auto delta = ticks - baseTicks;
                sum += delta;

                // If we have been calibrating for over 3 seconds -- the clock
                // is terrible and we should move on.
                // TBD: How to signal that the measured resolution is probably wrong?
                if (ticks > startTime + 3 * nanosecondsInSecond) {
                    return sum / i;
                }
            }

            // We're just taking the mean, here. To do better we could take the std. dev and exclude outliers
            // - and potentially do more iterations if there's a high variance.
            return sum/iterations;
        }
    }
    auto getEstimatedClockResolution() -> uint64_t {

src/catch.hpp  view on Meta::CPAN

            return c & 0x07;
        }
        CATCH_INTERNAL_ERROR("Invalid multibyte utf-8 start byte encountered");
    }

    void hexEscapeChar(std::ostream& os, unsigned char c) {
        os << "\\x"
            << std::uppercase << std::hex << std::setfill('0') << std::setw(2)
            << static_cast<int>(c);
    }

} // anonymous namespace

    XmlEncode::XmlEncode( std::string const& str, ForWhat forWhat )
    :   m_str( str ),
        m_forWhat( forWhat )
    {}

    void XmlEncode::encodeTo( std::ostream& os ) const {
        // Apostrophe escaping not necessary if we always use " to write attributes
        // (see: http://www.w3.org/TR/xml/#syntax)

        for( std::size_t idx = 0; idx < m_str.size(); ++ idx ) {
            uchar c = m_str[idx];
            switch (c) {
            case '<':   os << "&lt;"; break;
            case '&':   os << "&amp;"; break;

            case '>':
                // See: http://www.w3.org/TR/xml/#syntax
                if (idx > 2 && m_str[idx - 1] == ']' && m_str[idx - 2] == ']')
                    os << "&gt;";
                else
                    os << c;
                break;

            case '\"':
                if (m_forWhat == ForAttributes)
                    os << "&quot;";
                else
                    os << c;
                break;

            default:
                // Check for control characters and invalid utf-8

                // Escape control characters in standard ascii
                // see http://stackoverflow.com/questions/404107/why-are-control-characters-illegal-in-xml-1-0
                if (c < 0x09 || (c > 0x0D && c < 0x20) || c == 0x7F) {
                    hexEscapeChar(os, c);
                    break;
                }

                // Plain ASCII: Write it to stream
                if (c < 0x7F) {
                    os << c;
                    break;
                }

                // UTF-8 territory
                // Check if the encoding is valid and if it is not, hex escape bytes.
                // Important: We do not check the exact decoded values for validity, only the encoding format
                // First check that this bytes is a valid lead byte:
                // This means that it is not encoded as 1111 1XXX
                // Or as 10XX XXXX
                if (c <  0xC0 ||
                    c >= 0xF8) {
                    hexEscapeChar(os, c);
                    break;
                }

                auto encBytes = trailingBytes(c);
                // Are there enough bytes left to avoid accessing out-of-bounds memory?
                if (idx + encBytes - 1 >= m_str.size()) {
                    hexEscapeChar(os, c);
                    break;
                }
                // The header is valid, check data
                // The next encBytes bytes must together be a valid utf-8
                // This means: bitpattern 10XX XXXX and the extracted value is sane (ish)
                bool valid = true;
                uint32_t value = headerValue(c);
                for (std::size_t n = 1; n < encBytes; ++n) {
                    uchar nc = m_str[idx + n];
                    valid &= ((nc & 0xC0) == 0x80);
                    value = (value << 6) | (nc & 0x3F);
                }

                if (
                    // Wrong bit pattern of following bytes
                    (!valid) ||
                    // Overlong encodings
                    (value < 0x80) ||
                    (0x80 <= value && value < 0x800   && encBytes > 2) ||
                    (0x800 < value && value < 0x10000 && encBytes > 3) ||
                    // Encoded value out of range
                    (value >= 0x110000)
                    ) {
                    hexEscapeChar(os, c);
                    break;
                }

                // If we got here, this is in fact a valid(ish) utf-8 sequence
                for (std::size_t n = 0; n < encBytes; ++n) {
                    os << m_str[idx + n];
                }
                idx += encBytes - 1;
                break;
            }
        }
    }

    std::ostream& operator << ( std::ostream& os, XmlEncode const& xmlEncode ) {
        xmlEncode.encodeTo( os );
        return os;
    }

    XmlWriter::ScopedElement::ScopedElement( XmlWriter* writer )
    :   m_writer( writer )
    {}