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# File 'lib/rspec/expectations/handler.rb', line 18
def self.handle_matcher(actual, matcher, message=nil, &block)
check_message(message)
::RSpec::Matchers.last_should = :should
::RSpec::Matchers.last_matcher = matcher
return ::RSpec::Matchers::BuiltIn::PositiveOperatorMatcher.new(actual) if matcher.nil?
match = matcher.matches?(actual, &block)
return match if match
message = message.call if message.respond_to?(:call)
message ||= matcher.respond_to?(:failure_message_for_should) ?
matcher.failure_message_for_should :
matcher.failure_message
if matcher.respond_to?(:diffable?) && matcher.diffable?
if RSpec::Matchers::DSL::Matcher === matcher
::RSpec::Expectations.fail_with message, matcher.expected_as_array, matcher.actual
else
::RSpec::Expectations.fail_with message, matcher.expected, matcher.actual
end
else
::RSpec::Expectations.fail_with message
end
end
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