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require 'mspec/matchers/method'
class HaveSingletonMethodMatcher < MethodMatcher
def matches?(obj)
@obj = obj
obj.singleton_methods(@include_super).include? @method
end
def failure_message
["Expected #{@obj} to have singleton method '#{@method.to_s}'",
"but it does not"]
end
def negative_failure_message
["Expected #{@obj} NOT to have singleton method '#{@method.to_s}'",
"but it does"]
end
end
class Object
def have_singleton_method(method, include_super=true)
HaveSingletonMethodMatcher.new method, include_super
end
end
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