class WebMock::BodyPattern

def matches?(body, content_type = "")
  assert_non_multipart_body(content_type)
  if (@pattern).is_a?(Hash)
    return true if @pattern.empty?
    matching_body_hashes?(body_as_hash(body, content_type), @pattern, content_type)
  elsif (@pattern).is_a?(Array)
    matching_body_array?(body_as_hash(body, content_type), @pattern, content_type)
  elsif (@pattern).is_a?(WebMock::Matchers::HashArgumentMatcher)
    @pattern == body_as_hash(body, content_type)
  else
    empty_string?(@pattern) && empty_string?(body) ||
      @pattern == body ||
      @pattern === body
  end
end