234 lines
8.5 KiB
C++
234 lines
8.5 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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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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};
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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 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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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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private:
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std::vector<Ptr<Matcher<ExpressionT> > > m_matchers;
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};
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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 Equals : MatcherImpl<Equals, std::string> {
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Equals( std::string const& str ) : m_str( str ){}
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Equals( Equals const& other ) : m_str( other.m_str ){}
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virtual ~Equals();
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virtual bool match( std::string const& expr ) const {
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return m_str == expr;
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}
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virtual std::string toString() const {
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return "equals: \"" + m_str + "\"";
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}
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std::string m_str;
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};
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struct Contains : MatcherImpl<Contains, std::string> {
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Contains( std::string const& substr ) : m_substr( substr ){}
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Contains( Contains const& other ) : m_substr( other.m_substr ){}
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virtual ~Contains();
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virtual bool match( std::string const& expr ) const {
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return expr.find( m_substr ) != std::string::npos;
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}
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virtual std::string toString() const {
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return "contains: \"" + m_substr + "\"";
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}
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std::string m_substr;
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};
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struct StartsWith : MatcherImpl<StartsWith, std::string> {
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StartsWith( std::string const& substr ) : m_substr( substr ){}
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StartsWith( StartsWith const& other ) : m_substr( other.m_substr ){}
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virtual ~StartsWith();
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virtual bool match( std::string const& expr ) const {
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return expr.find( m_substr ) == 0;
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}
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virtual std::string toString() const {
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return "starts with: \"" + m_substr + "\"";
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}
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std::string m_substr;
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};
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struct EndsWith : MatcherImpl<EndsWith, std::string> {
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EndsWith( std::string const& substr ) : m_substr( substr ){}
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EndsWith( EndsWith const& other ) : m_substr( other.m_substr ){}
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virtual ~EndsWith();
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virtual bool match( std::string const& expr ) const {
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return expr.find( m_substr ) == expr.size() - m_substr.size();
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}
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virtual std::string toString() const {
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return "ends with: \"" + m_substr + "\"";
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}
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std::string m_substr;
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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::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 ) {
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return Impl::StdString::Equals( str );
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}
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inline Impl::StdString::Equals Equals( const char* str ) {
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return Impl::StdString::Equals( Impl::StdString::makeString( str ) );
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}
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inline Impl::StdString::Contains Contains( std::string const& substr ) {
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return Impl::StdString::Contains( substr );
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}
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inline Impl::StdString::Contains Contains( const char* substr ) {
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return Impl::StdString::Contains( Impl::StdString::makeString( substr ) );
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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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