1//
 2//  KWChangeMatcher.h
 3//  Kiwi
 4//
 5//  Copyright (c) 2013 Eloy Durán <eloy.de.enige@gmail.com>.
 6//  All rights reserved.
 7//
 8
 9#import "KWMatcher.h"
10
11typedef NSInteger (^KWChangeMatcherCountBlock)();
12
13@interface KWChangeMatcher : KWMatcher
14
15// Expect _any_ change.
16- (void)change:(KWChangeMatcherCountBlock)countBlock;
17
18// Expect changes by a specific amount.
19- (void)change:(KWChangeMatcherCountBlock)countBlock by:(NSInteger)expectedDifference;
20
21@end