EXPMatchers+conformTo.m
1.04 KB
#import "EXPMatchers+conformTo.h"
#import "NSValue+Expecta.h"
#import <objc/runtime.h>
EXPMatcherImplementationBegin(conformTo, (Protocol *expected)) {
BOOL actualIsNil = (actual == nil);
BOOL expectedIsNil = (expected == nil);
prerequisite(^BOOL{
return !(actualIsNil || expectedIsNil);
});
match(^BOOL{
return [actual conformsToProtocol:expected];
});
failureMessageForTo(^NSString *{
if(actualIsNil) return @"the object is nil/null";
if(expectedIsNil) return @"the protocol is nil/null";
NSString *name = NSStringFromProtocol(expected);
return [NSString stringWithFormat:@"expected: %@ to conform to %@", actual, name];
});
failureMessageForNotTo(^NSString *{
if(actualIsNil) return @"the object is nil/null";
if(expectedIsNil) return @"the protocol is nil/null";
NSString *name = NSStringFromProtocol(expected);
return [NSString stringWithFormat:@"expected: %@ not to conform to %@", actual, name];
});
}
EXPMatcherImplementationEnd