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//---------------------------------------------------------------------------------------
// $Id: $
// Copyright (c) 2007-2008 by Mulle Kybernetik. See License file for details.
//---------------------------------------------------------------------------------------
#import <OCMock/OCMConstraint.h>
@implementation OCMConstraint
+ (id)constraint
{
return [[[self alloc] init] autorelease];
}
- (BOOL)evaluate:(id)value
{
return NO;
}
+ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject
{
OCMInvocationConstraint *constraint = [OCMInvocationConstraint constraint];
NSMethodSignature *signature = [anObject methodSignatureForSelector:aSelector];
if(signature == nil)
[NSException raise:NSInvalidArgumentException format:@"Unkown selector %@ used in constraint.", NSStringFromSelector(aSelector)];
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:signature];
[invocation setTarget:anObject];
[invocation setSelector:aSelector];
constraint->invocation = invocation;
return constraint;
}
+ (id)constraintWithSelector:(SEL)aSelector onObject:(id)anObject withValue:(id)aValue
{
OCMInvocationConstraint *constraint = [self constraintWithSelector:aSelector onObject:anObject];
if([[constraint->invocation methodSignature] numberOfArguments] < 4)
[NSException raise:NSInvalidArgumentException format:@"Constraint with value requires selector with two arguments."];
[constraint->invocation setArgument:&aValue atIndex:3];
return constraint;
}
@end
#pragma mark -
@implementation OCMAnyConstraint
- (BOOL)evaluate:(id)value
{
return YES;
}
@end
#pragma mark -
@implementation OCMIsNilConstraint
- (BOOL)evaluate:(id)value
{
return value == nil;
}
@end
#pragma mark -
@implementation OCMIsNotNilConstraint
- (BOOL)evaluate:(id)value
{
return value != nil;
}
@end
#pragma mark -
@implementation OCMIsNotEqualConstraint
- (BOOL)evaluate:(id)value
{
return ![value isEqualTo:testValue];
}
@end
#pragma mark -
@implementation OCMInvocationConstraint
- (BOOL)evaluate:(id)value
{
[invocation setArgument:&value atIndex:2]; // should test if constraint takes arg
[invocation invoke];
BOOL returnValue;
[invocation getReturnValue:&returnValue];
return returnValue;
}
@end
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