/*
* Created by Phil on 14/11/2010.
* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef TWOBLUECUBES_CATCH_OBJC_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_OBJC_HPP_INCLUDED
#import <Foundation/Foundation.h>
#import <objc/runtime.h>
#include <string>
// NB. Any general catch headers included here must be included
// in catch.hpp first to make sure they are included by the single
// header for non obj-usage
#include "internal/catch_test_case_info.hpp"
#ifdef __has_feature
#define CATCH_ARC_ENABLED __has_feature(objc_arc)
#else
#define CATCH_ARC_ENABLED 0
#endif
void arcSafeRelease( NSObject* obj );
id performOptionalSelector( id obj, SEL sel );
#if !CATCH_ARC_ENABLED
inline void arcSafeRelease( NSObject* obj )
{
[obj release];
}
inline id performOptionalSelector( id obj, SEL sel )
{
if( [obj respondsToSelector: sel] )
return [obj performSelector: sel];
return nil;
}
#define CATCH_UNSAFE_UNRETAINED
#else
inline void arcSafeRelease( NSObject* ){}
inline id performOptionalSelector( id obj, SEL sel )
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
if( [obj respondsToSelector: sel] )
return [obj performSelector: sel];
#pragma clang diagnostic pop
return nil;
}
#define CATCH_UNSAFE_UNRETAINED __unsafe_unretained
#endif
///////////////////////////////////////////////////////////////////////////////
// This protocol is really only here for (self) documenting purposes, since
// all its methods are optional.
@protocol OcFixture
@optional
-(void) setUp;
-(void) tearDown;
@end
namespace Catch
{
class OcMethod : public ITestCase
{
public:
///////////////////////////////////////////////////////////////////////
OcMethod
(
Class cls,
SEL sel
)
: m_cls( cls ),
m_sel( sel )
{
}
///////////////////////////////////////////////////////////////////////
virtual void invoke
()
const
{
id obj = [[m_cls alloc] init];
performOptionalSelector( obj, @selector(setUp) );
performOptionalSelector( obj, m_sel );
performOptionalSelector( obj, @selector(tearDown) );
arcSafeRelease( obj );
}
///////////////////////////////////////////////////////////////////////
virtual ITestCase* clone
()
const
{
return new OcMethod( m_cls, m_sel );
}
///////////////////////////////////////////////////////////////////////
virtual bool operator ==
(
const ITestCase& other
)
const
{
const OcMethod* ocmOther = dynamic_cast<const OcMethod*> ( &other );
return ocmOther && ocmOther->m_sel == m_sel;
}
///////////////////////////////////////////////////////////////////////
virtual bool operator <
(
const ITestCase& other
)
const
{
const OcMethod* ocmOther = dynamic_cast<const OcMethod*> ( &other );
return ocmOther && ocmOther->m_sel < m_sel;
}
private:
Class m_cls;
SEL m_sel;
};
namespace Detail
{
///////////////////////////////////////////////////////////////////////
inline bool startsWith
(
const std::string& str,
const std::string& sub
)
{
return str.length() > sub.length() && str.substr( 0, sub.length() ) == sub;
}
///////////////////////////////////////////////////////////////////////
inline std::string getAnnotation
(
Class cls,
const std::string& annotationName,
const std::string& testCaseName
)
{
NSString* selStr = [[NSString alloc] initWithFormat:@"Catch_%s_%s", annotationName.c_str(), testCaseName.c_str()];
SEL sel = NSSelectorFromString( selStr );
arcSafeRelease( selStr );
id value = performOptionalSelector( cls, sel );
if( value )
return [(NSString*)value UTF8String];
return "";
}
}
///////////////////////////////////////////////////////////////////////////
inline size_t registerTestMethods
()
{
size_t noTestMethods = 0;
int noClasses = objc_getClassList( NULL, 0 );
Class* classes = (CATCH_UNSAFE_UNRETAINED Class *)malloc( sizeof(Class) * noClasses);
objc_getClassList( classes, noClasses );
for( int c = 0; c < noClasses; c++ )
{
Class cls = classes[c];
{
u_int count;
Method* methods = class_copyMethodList( cls, &count );
for( int m = 0; m < count ; m++ )
{
SEL selector = method_getName(methods[m]);
std::string methodName = sel_getName(selector);
if( Detail::startsWith( methodName, "Catch_TestCase_" ) )
{
std::string testCaseName = methodName.substr( 15 );
std::string name = Detail::getAnnotation( cls, "Name", testCaseName );
std::string desc = Detail::getAnnotation( cls, "Description", testCaseName );
Context::getTestCaseRegistry().registerTest( TestCaseInfo( new OcMethod( cls, selector ), name.c_str(), desc.c_str(), SourceLineInfo() ) );
noTestMethods++;
}
}
free(methods);
}
}
return noTestMethods;
}
inline std::string toString( NSString* const& nsstring )
{
return std::string( "@\"" ) + [nsstring UTF8String] + "\"";
}
namespace Matchers
{
namespace Impl
{
namespace NSStringMatchers
{
struct StringHolder
{
StringHolder( NSString* substr ) : m_substr( [substr copy] ){}
StringHolder()
{
arcSafeRelease( m_substr );
}
NSString* m_substr;
};
struct Equals : StringHolder
{
Equals( NSString* substr ) : StringHolder( substr ){}
bool operator()( NSString* str ) const
{
return [str isEqualToString:m_substr];
}
friend std::ostream& operator<<( std::ostream& os, const Equals& matcher )
{
os << "equals string: " << Catch::toString( matcher.m_substr );
return os;
}
};
struct Contains : StringHolder
{
Contains( NSString* substr ) : StringHolder( substr ){}
bool operator()( NSString* str ) const
{
return [str rangeOfString:m_substr].location != NSNotFound;
}
friend std::ostream& operator<<( std::ostream& os, const Contains& matcher )
{
os << "contains: " << Catch::toString( matcher.m_substr );
return os;
}
};
struct StartsWith : StringHolder
{
StartsWith( NSString* substr ) : StringHolder( substr ){}
bool operator()( NSString* str ) const
{
return [str rangeOfString:m_substr].location == 0;
}
friend std::ostream& operator<<( std::ostream& os, const StartsWith& matcher )
{
os << "starts with: " << Catch::toString( matcher.m_substr );
return os;
}
};
struct EndsWith : StringHolder
{
EndsWith( NSString* substr ) : StringHolder( substr ){}
bool operator()( NSString* str ) const
{
return [str rangeOfString:m_substr].location == [str length] - [m_substr length];
}
friend std::ostream& operator<<( std::ostream& os, const EndsWith& matcher )
{
os << "ends with: " << Catch::toString( matcher.m_substr );
return os;
}
};
} // namespace NSStringMatchers
} // namespace Impl
inline Impl::NSStringMatchers::Equals
Equals( NSString* substr ){ return Impl::NSStringMatchers::Equals( substr ); }
inline Impl::NSStringMatchers::Contains
Contains( NSString* substr ){ return Impl::NSStringMatchers::Contains( substr ); }
inline Impl::NSStringMatchers::StartsWith
StartsWith( NSString* substr ){ return Impl::NSStringMatchers::StartsWith( substr ); }
inline Impl::NSStringMatchers::EndsWith
EndsWith( NSString* substr ){ return Impl::NSStringMatchers::EndsWith( substr ); }
} // namespace Matchers
using namespace Matchers;
} // namespace Catch
///////////////////////////////////////////////////////////////////////////////
#define OC_TEST_CASE( name, desc )\
+(NSString*) INTERNAL_CATCH_UNIQUE_NAME( Catch_Name_test ) \
{\
return @ name; \
}\
+(NSString*) INTERNAL_CATCH_UNIQUE_NAME( Catch_Description_test ) \
{ \
return @ desc; \
} \
-(void) INTERNAL_CATCH_UNIQUE_NAME( Catch_TestCase_test )
#endif // TWOBLUECUBES_CATCH_OBJC_HPP_INCLUDED