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lukeredpath/gist:1978651

Created March 5, 2012 15:02
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gistfile1.txt
NSMutableString *string = @"foo";
[delayedUppercaser upcaseStringInFuture:string];
// using waitFor
[[string waitFor] equal:@"FOO"]; // will never fail
// using shouldEventually
[[string shouldEventually] equal:@"FOO"]; // will fail if it doesn't change
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