# File test/test_local.rb, line 541
    def test_GET_if_unmodified_since_412_Precondition_Failed
      mtime = File.mtime('test/index.html')
      mtime -= 1
      @request.method = 'GET'
      @request.path = '/index.html'
      @request.version = 'HTTP/1.1'
      @request.set_header('If-Unmodified-Since', mtime.httpdate)
      @local_doc.publish('', @request, @response, self)
      assert_equal('/index.html', @messg_head.doc_path)
      assert_match(@messg_head.local_path, %"test/index\.html$")
      assert_equal('HTTP/1.1', @messg_head.version)
      assert_equal(412, @messg_head.status)
      assert_equal('Precondition Failed', @messg_head.reason)
      assert(@messg_body.empty?)
      assert(@log_emerg.empty?)
      assert(@log_alert.empty?)
      assert(@log_crit.empty?)
      assert(@log_err.empty?)
      assert(@log_warning.empty?)
      assert(@log_notice.empty?)
      assert(@log_info.empty?)
      assert_match(@log_debug, /enter document: \S+::LocalFileDocument/)
    end