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# File 'lib/spec/expectations/handler.rb', line 27
def self.handle_matcher(actual, matcher, message=nil, &block)
::Spec::Matchers.last_should = :should_not
::Spec::Matchers.last_matcher = matcher
return ::Spec::Matchers::NegativeOperatorMatcher.new(actual) if matcher.nil?
match = matcher.respond_to?(:does_not_match?) ?
!matcher.does_not_match?(actual, &block) :
matcher.matches?(actual, &block)
return match unless match
message ||= matcher.respond_to?(:failure_message_for_should_not) ?
matcher.failure_message_for_should_not :
matcher.negative_failure_message
if matcher.respond_to?(:diffable?) && matcher.diffable?
::Spec::Expectations.fail_with message, matcher.expected.first, matcher.actual
else
::Spec::Expectations.fail_with message
end
end
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