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require File.dirname(__FILE__) + '/abstract_unit'
class AssertDifferenceTest < Test::Unit::TestCase
def setup
@object = Class.new { attr_accessor :num }.new
end
def test_assert_no_difference
@object.num = 0
assert_no_difference @object, :num do
# ...
end
end
def test_assert_difference
@object.num = 0
assert_difference @object, :num, +1 do
@object.num = 1
end
end
def test_methods_available
assert self.respond_to?(:assert_difference)
assert self.respond_to?(:assert_no_difference)
end
end
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