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vanne on 01/21/07

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assert_difference


/ Published in: Ruby
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A custom assertion that will allow you to pass a block to find the difference between two values.


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  1. def assert_difference(object, method, difference=1)
  2. initial_value = object.send(method)
  3. yield
  4. assert_equal initial_value + difference, object.send(method)
  5. end

URL: http://weblog.jamisbuck.org/2007/1/19/blocks-rock

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