Mock with Stub that returns CGPoint

gistfile1.m

    it(@"touch event mock setup", ^{
        UITouch *touchMock = [UITouch mock]; // this is important, it has the selector signature to cast the return type
        CGPoint source = CGPointMake(5.0, 5.0);
        [touchMock stub:@selector(locationInView:)andReturn:theValue(source)];
        NSSet *set = [NSSet setWithObject:touchMock];
        CGPoint pow = [touchMock locationInView:nil];
        [[theValue(pow.x) should] equal:5.0 withDelta:0.1];
    });

// vs 

    it(@"touch event mock fail with generic mock", ^{
        id touchMock = [KWMock mock]; 
        CGPoint source = CGPointMake(5.0, 5.0);
        [touchMock stub:@selector(locationInView:)andReturn:theValue(source)];
        NSSet *set = [NSSet setWithObject:touchMock];
        CGPoint pow = [touchMock locationInView:nil];
        [[theValue(pow.x) should] equal:5.0 withDelta:0.1];
    });