252 lines
8.9 KiB
C++
252 lines
8.9 KiB
C++
/*
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* Created by Phil on 14/11/2010.
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* Copyright 2010 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_OBJC_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_OBJC_HPP_INCLUDED
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#import <Foundation/Foundation.h>
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#import <objc/runtime.h>
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#include <string>
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// NB. Any general catch headers included here must be included
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// in catch.hpp first to make sure they are included by the single
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// header for non obj-usage
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#include "internal/catch_test_case_info.hpp"
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#ifdef __has_feature
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#define CATCH_ARC_ENABLED __has_feature(objc_arc)
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#else
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#define CATCH_ARC_ENABLED 0
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#endif
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void arcSafeRelease( NSObject* obj );
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id performOptionalSelector( id obj, SEL sel );
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#if !CATCH_ARC_ENABLED
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inline void arcSafeRelease( NSObject* obj ) {
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[obj release];
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}
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inline id performOptionalSelector( id obj, SEL sel ) {
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if( [obj respondsToSelector: sel] )
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return [obj performSelector: sel];
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return nil;
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}
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#define CATCH_UNSAFE_UNRETAINED
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#else
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inline void arcSafeRelease( NSObject* ){}
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inline id performOptionalSelector( id obj, SEL sel ) {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
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if( [obj respondsToSelector: sel] )
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return [obj performSelector: sel];
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#pragma clang diagnostic pop
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return nil;
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}
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#define CATCH_UNSAFE_UNRETAINED __unsafe_unretained
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// This protocol is really only here for (self) documenting purposes, since
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// all its methods are optional.
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@protocol OcFixture
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@optional
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-(void) setUp;
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-(void) tearDown;
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@end
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namespace Catch {
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class OcMethod : public ITestCase {
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public:
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OcMethod( Class cls, SEL sel ) : m_cls( cls ), m_sel( sel ) {}
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virtual void invoke() const {
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id obj = [[m_cls alloc] init];
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performOptionalSelector( obj, @selector(setUp) );
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performOptionalSelector( obj, m_sel );
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performOptionalSelector( obj, @selector(tearDown) );
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arcSafeRelease( obj );
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}
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virtual ITestCase* clone() const {
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return new OcMethod( m_cls, m_sel );
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}
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virtual bool operator == ( const ITestCase& other ) const {
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const OcMethod* ocmOther = dynamic_cast<const OcMethod*> ( &other );
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return ocmOther && ocmOther->m_sel == m_sel;
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}
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virtual bool operator < ( const ITestCase& other ) const {
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const OcMethod* ocmOther = dynamic_cast<const OcMethod*> ( &other );
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return ocmOther && ocmOther->m_sel < m_sel;
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}
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private:
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Class m_cls;
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SEL m_sel;
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};
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namespace Detail{
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inline bool startsWith( const std::string& str, const std::string& sub ) {
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return str.length() > sub.length() && str.substr( 0, sub.length() ) == sub;
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}
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inline std::string getAnnotation( Class cls,
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const std::string& annotationName,
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const std::string& testCaseName ) {
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NSString* selStr = [[NSString alloc] initWithFormat:@"Catch_%s_%s", annotationName.c_str(), testCaseName.c_str()];
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SEL sel = NSSelectorFromString( selStr );
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arcSafeRelease( selStr );
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id value = performOptionalSelector( cls, sel );
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if( value )
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return [(NSString*)value UTF8String];
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return "";
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}
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}
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inline size_t registerTestMethods() {
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size_t noTestMethods = 0;
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int noClasses = objc_getClassList( NULL, 0 );
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Class* classes = (CATCH_UNSAFE_UNRETAINED Class *)malloc( sizeof(Class) * noClasses);
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objc_getClassList( classes, noClasses );
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for( int c = 0; c < noClasses; c++ ) {
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Class cls = classes[c];
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{
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u_int count;
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Method* methods = class_copyMethodList( cls, &count );
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for( u_int m = 0; m < count ; m++ ) {
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SEL selector = method_getName(methods[m]);
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std::string methodName = sel_getName(selector);
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if( Detail::startsWith( methodName, "Catch_TestCase_" ) ) {
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std::string testCaseName = methodName.substr( 15 );
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std::string name = Detail::getAnnotation( cls, "Name", testCaseName );
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std::string desc = Detail::getAnnotation( cls, "Description", testCaseName );
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getCurrentContext().getTestCaseRegistry().registerTest( TestCaseInfo( new OcMethod( cls, selector ), name.c_str(), desc.c_str(), SourceLineInfo() ) );
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noTestMethods++;
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}
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}
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free(methods);
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}
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}
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return noTestMethods;
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}
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inline std::string toString( NSString* const& nsstring ) {
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return std::string( "@\"" ) + [nsstring UTF8String] + "\"";
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}
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namespace Matchers {
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namespace Impl {
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namespace NSStringMatchers {
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struct StringHolder {
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StringHolder( NSString* substr ) : m_substr( [substr copy] ){}
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StringHolder() {
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arcSafeRelease( m_substr );
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}
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NSString* m_substr;
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};
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struct Equals : StringHolder {
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Equals( NSString* substr ) : StringHolder( substr ){}
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bool operator()( NSString* str ) const {
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return [str isEqualToString:m_substr];
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}
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friend std::ostream& operator<<( std::ostream& os, const Equals& matcher ) {
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os << "equals string: " << Catch::toString( matcher.m_substr );
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return os;
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}
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};
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struct Contains : StringHolder {
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Contains( NSString* substr ) : StringHolder( substr ){}
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bool operator()( NSString* str ) const {
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return [str rangeOfString:m_substr].location != NSNotFound;
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}
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friend std::ostream& operator<<( std::ostream& os, const Contains& matcher ) {
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os << "contains: " << Catch::toString( matcher.m_substr );
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return os;
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}
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};
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struct StartsWith : StringHolder {
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StartsWith( NSString* substr ) : StringHolder( substr ){}
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bool operator()( NSString* str ) const {
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return [str rangeOfString:m_substr].location == 0;
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}
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friend std::ostream& operator<<( std::ostream& os, const StartsWith& matcher ) {
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os << "starts with: " << Catch::toString( matcher.m_substr );
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return os;
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}
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};
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struct EndsWith : StringHolder {
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EndsWith( NSString* substr ) : StringHolder( substr ){}
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bool operator()( NSString* str ) const {
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return [str rangeOfString:m_substr].location == [str length] - [m_substr length];
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}
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friend std::ostream& operator<<( std::ostream& os, const EndsWith& matcher ) {
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os << "ends with: " << Catch::toString( matcher.m_substr );
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return os;
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}
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};
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} // namespace NSStringMatchers
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} // namespace Impl
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inline Impl::NSStringMatchers::Equals
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Equals( NSString* substr ){ return Impl::NSStringMatchers::Equals( substr ); }
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inline Impl::NSStringMatchers::Contains
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Contains( NSString* substr ){ return Impl::NSStringMatchers::Contains( substr ); }
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inline Impl::NSStringMatchers::StartsWith
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StartsWith( NSString* substr ){ return Impl::NSStringMatchers::StartsWith( substr ); }
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inline Impl::NSStringMatchers::EndsWith
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EndsWith( NSString* substr ){ return Impl::NSStringMatchers::EndsWith( substr ); }
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} // namespace Matchers
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using namespace Matchers;
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} // namespace Catch
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///////////////////////////////////////////////////////////////////////////////
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#define OC_TEST_CASE( name, desc )\
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+(NSString*) INTERNAL_CATCH_UNIQUE_NAME( Catch_Name_test ) \
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{\
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return @ name; \
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}\
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+(NSString*) INTERNAL_CATCH_UNIQUE_NAME( Catch_Description_test ) \
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{ \
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return @ desc; \
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} \
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-(void) INTERNAL_CATCH_UNIQUE_NAME( Catch_TestCase_test )
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#endif // TWOBLUECUBES_CATCH_OBJC_HPP_INCLUDED
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