mirror of
https://github.com/catchorg/Catch2.git
synced 2024-10-26 02:24:42 +02:00
3b98a0166f
* Empty strings are now direct constructed as `std::string()`, not as empty string literals. * `startsWith` and `endsWith` no longer construct new a string. This should be an improvement for libstdc++ when using older standards, as it doesn't use SSO but COW and thus even short strings are expensive to first create. * Various places now use char literal instead of string literals containing single char. ** `startsWith` and `endsWith` now also have overload that takes single char. Generally the performance improvements under VS2015 are small, as going from short string to char is mostly meaningless because of SSO (Catch doesn't push string handling that hard) and previous commit removed most string handling if tests pass, which is the expect case.
327 lines
12 KiB
C++
327 lines
12 KiB
C++
/*
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* Created by Phil Nash on 04/03/2012.
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* Copyright (c) 2012 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_MATCHERS_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_MATCHERS_HPP_INCLUDED
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namespace Catch {
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namespace Matchers {
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namespace Impl {
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namespace Generic {
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template<typename ExpressionT> class AllOf;
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template<typename ExpressionT> class AnyOf;
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template<typename ExpressionT> class Not;
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}
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template<typename ExpressionT>
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struct Matcher : SharedImpl<IShared>
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{
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typedef ExpressionT ExpressionType;
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virtual ~Matcher() {}
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virtual Ptr<Matcher> clone() const = 0;
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virtual bool match( ExpressionT const& expr ) const = 0;
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virtual std::string toString() const = 0;
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Generic::AllOf<ExpressionT> operator && ( Matcher<ExpressionT> const& other ) const;
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Generic::AnyOf<ExpressionT> operator || ( Matcher<ExpressionT> const& other ) const;
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Generic::Not<ExpressionT> operator ! () const;
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};
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template<typename DerivedT, typename ExpressionT>
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struct MatcherImpl : Matcher<ExpressionT> {
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virtual Ptr<Matcher<ExpressionT> > clone() const {
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return Ptr<Matcher<ExpressionT> >( new DerivedT( static_cast<DerivedT const&>( *this ) ) );
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}
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};
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namespace Generic {
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template<typename ExpressionT>
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class Not : public MatcherImpl<Not<ExpressionT>, ExpressionT> {
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public:
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explicit Not( Matcher<ExpressionT> const& matcher ) : m_matcher(matcher.clone()) {}
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Not( Not const& other ) : m_matcher( other.m_matcher ) {}
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virtual bool match( ExpressionT const& expr ) const CATCH_OVERRIDE {
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return !m_matcher->match( expr );
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}
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virtual std::string toString() const CATCH_OVERRIDE {
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return "not " + m_matcher->toString();
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}
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private:
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Ptr< Matcher<ExpressionT> > m_matcher;
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};
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template<typename ExpressionT>
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class AllOf : public MatcherImpl<AllOf<ExpressionT>, ExpressionT> {
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public:
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AllOf() {}
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AllOf( AllOf const& other ) : m_matchers( other.m_matchers ) {}
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AllOf& add( Matcher<ExpressionT> const& matcher ) {
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m_matchers.push_back( matcher.clone() );
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return *this;
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}
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virtual bool match( ExpressionT const& expr ) const
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{
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for( std::size_t i = 0; i < m_matchers.size(); ++i )
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if( !m_matchers[i]->match( expr ) )
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return false;
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return true;
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}
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virtual std::string toString() const {
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std::ostringstream oss;
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oss << "( ";
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for( std::size_t i = 0; i < m_matchers.size(); ++i ) {
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if( i != 0 )
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oss << " and ";
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oss << m_matchers[i]->toString();
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}
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oss << " )";
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return oss.str();
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}
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AllOf operator && ( Matcher<ExpressionT> const& other ) const {
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AllOf allOfExpr( *this );
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allOfExpr.add( other );
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return allOfExpr;
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}
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private:
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std::vector<Ptr<Matcher<ExpressionT> > > m_matchers;
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};
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template<typename ExpressionT>
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class AnyOf : public MatcherImpl<AnyOf<ExpressionT>, ExpressionT> {
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public:
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AnyOf() {}
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AnyOf( AnyOf const& other ) : m_matchers( other.m_matchers ) {}
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AnyOf& add( Matcher<ExpressionT> const& matcher ) {
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m_matchers.push_back( matcher.clone() );
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return *this;
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}
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virtual bool match( ExpressionT const& expr ) const
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{
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for( std::size_t i = 0; i < m_matchers.size(); ++i )
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if( m_matchers[i]->match( expr ) )
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return true;
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return false;
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}
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virtual std::string toString() const {
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std::ostringstream oss;
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oss << "( ";
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for( std::size_t i = 0; i < m_matchers.size(); ++i ) {
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if( i != 0 )
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oss << " or ";
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oss << m_matchers[i]->toString();
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}
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oss << " )";
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return oss.str();
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}
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AnyOf operator || ( Matcher<ExpressionT> const& other ) const {
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AnyOf anyOfExpr( *this );
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anyOfExpr.add( other );
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return anyOfExpr;
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}
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private:
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std::vector<Ptr<Matcher<ExpressionT> > > m_matchers;
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};
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} // namespace Generic
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template<typename ExpressionT>
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Generic::AllOf<ExpressionT> Matcher<ExpressionT>::operator && ( Matcher<ExpressionT> const& other ) const {
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Generic::AllOf<ExpressionT> allOfExpr;
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allOfExpr.add( *this );
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allOfExpr.add( other );
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return allOfExpr;
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}
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template<typename ExpressionT>
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Generic::AnyOf<ExpressionT> Matcher<ExpressionT>::operator || ( Matcher<ExpressionT> const& other ) const {
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Generic::AnyOf<ExpressionT> anyOfExpr;
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anyOfExpr.add( *this );
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anyOfExpr.add( other );
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return anyOfExpr;
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}
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template<typename ExpressionT>
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Generic::Not<ExpressionT> Matcher<ExpressionT>::operator ! () const {
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return Generic::Not<ExpressionT>( *this );
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}
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namespace StdString {
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inline std::string makeString( std::string const& str ) { return str; }
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inline std::string makeString( const char* str ) { return str ? std::string( str ) : std::string(); }
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struct CasedString
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{
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CasedString( std::string const& str, CaseSensitive::Choice caseSensitivity )
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: m_caseSensitivity( caseSensitivity ),
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m_str( adjustString( str ) )
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{}
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std::string adjustString( std::string const& str ) const {
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return m_caseSensitivity == CaseSensitive::No
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? toLower( str )
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: str;
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}
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std::string toStringSuffix() const
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{
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return m_caseSensitivity == CaseSensitive::No
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? " (case insensitive)"
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: std::string();
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}
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CaseSensitive::Choice m_caseSensitivity;
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std::string m_str;
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};
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struct Equals : MatcherImpl<Equals, std::string> {
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Equals( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes )
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: m_data( str, caseSensitivity )
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{}
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Equals( Equals const& other ) : m_data( other.m_data ){}
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virtual ~Equals();
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virtual bool match( std::string const& expr ) const {
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return m_data.m_str == m_data.adjustString( expr );;
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}
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virtual std::string toString() const {
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return "equals: \"" + m_data.m_str + "\"" + m_data.toStringSuffix();
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}
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CasedString m_data;
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};
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struct Contains : MatcherImpl<Contains, std::string> {
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Contains( std::string const& substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes )
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: m_data( substr, caseSensitivity ){}
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Contains( Contains const& other ) : m_data( other.m_data ){}
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virtual ~Contains();
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virtual bool match( std::string const& expr ) const {
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return m_data.adjustString( expr ).find( m_data.m_str ) != std::string::npos;
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}
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virtual std::string toString() const {
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return "contains: \"" + m_data.m_str + "\"" + m_data.toStringSuffix();
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}
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CasedString m_data;
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};
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struct StartsWith : MatcherImpl<StartsWith, std::string> {
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StartsWith( std::string const& substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes )
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: m_data( substr, caseSensitivity ){}
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StartsWith( StartsWith const& other ) : m_data( other.m_data ){}
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virtual ~StartsWith();
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virtual bool match( std::string const& expr ) const {
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return startsWith( m_data.adjustString( expr ), m_data.m_str );
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}
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virtual std::string toString() const {
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return "starts with: \"" + m_data.m_str + "\"" + m_data.toStringSuffix();
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}
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CasedString m_data;
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};
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struct EndsWith : MatcherImpl<EndsWith, std::string> {
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EndsWith( std::string const& substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes )
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: m_data( substr, caseSensitivity ){}
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EndsWith( EndsWith const& other ) : m_data( other.m_data ){}
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virtual ~EndsWith();
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virtual bool match( std::string const& expr ) const {
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return endsWith( m_data.adjustString( expr ), m_data.m_str );
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}
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virtual std::string toString() const {
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return "ends with: \"" + m_data.m_str + "\"" + m_data.toStringSuffix();
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}
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CasedString m_data;
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};
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} // namespace StdString
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} // namespace Impl
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// The following functions create the actual matcher objects.
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// This allows the types to be inferred
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template<typename ExpressionT>
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inline Impl::Generic::Not<ExpressionT> Not( Impl::Matcher<ExpressionT> const& m ) {
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return Impl::Generic::Not<ExpressionT>( m );
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}
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template<typename ExpressionT>
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inline Impl::Generic::AllOf<ExpressionT> AllOf( Impl::Matcher<ExpressionT> const& m1,
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Impl::Matcher<ExpressionT> const& m2 ) {
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return Impl::Generic::AllOf<ExpressionT>().add( m1 ).add( m2 );
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}
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template<typename ExpressionT>
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inline Impl::Generic::AllOf<ExpressionT> AllOf( Impl::Matcher<ExpressionT> const& m1,
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Impl::Matcher<ExpressionT> const& m2,
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Impl::Matcher<ExpressionT> const& m3 ) {
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return Impl::Generic::AllOf<ExpressionT>().add( m1 ).add( m2 ).add( m3 );
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}
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template<typename ExpressionT>
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inline Impl::Generic::AnyOf<ExpressionT> AnyOf( Impl::Matcher<ExpressionT> const& m1,
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Impl::Matcher<ExpressionT> const& m2 ) {
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return Impl::Generic::AnyOf<ExpressionT>().add( m1 ).add( m2 );
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}
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template<typename ExpressionT>
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inline Impl::Generic::AnyOf<ExpressionT> AnyOf( Impl::Matcher<ExpressionT> const& m1,
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Impl::Matcher<ExpressionT> const& m2,
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Impl::Matcher<ExpressionT> const& m3 ) {
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return Impl::Generic::AnyOf<ExpressionT>().add( m1 ).add( m2 ).add( m3 );
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}
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inline Impl::StdString::Equals Equals( std::string const& str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes ) {
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return Impl::StdString::Equals( str, caseSensitivity );
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}
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inline Impl::StdString::Equals Equals( const char* str, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes ) {
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return Impl::StdString::Equals( Impl::StdString::makeString( str ), caseSensitivity );
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}
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inline Impl::StdString::Contains Contains( std::string const& substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes ) {
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return Impl::StdString::Contains( substr, caseSensitivity );
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}
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inline Impl::StdString::Contains Contains( const char* substr, CaseSensitive::Choice caseSensitivity = CaseSensitive::Yes ) {
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return Impl::StdString::Contains( Impl::StdString::makeString( substr ), caseSensitivity );
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}
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inline Impl::StdString::StartsWith StartsWith( std::string const& substr ) {
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return Impl::StdString::StartsWith( substr );
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}
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inline Impl::StdString::StartsWith StartsWith( const char* substr ) {
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return Impl::StdString::StartsWith( Impl::StdString::makeString( substr ) );
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}
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inline Impl::StdString::EndsWith EndsWith( std::string const& substr ) {
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return Impl::StdString::EndsWith( substr );
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}
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inline Impl::StdString::EndsWith EndsWith( const char* substr ) {
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return Impl::StdString::EndsWith( Impl::StdString::makeString( substr ) );
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}
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} // namespace Matchers
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using namespace Matchers;
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} // namespace Catch
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#endif // TWOBLUECUBES_CATCH_MATCHERS_HPP_INCLUDED
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