# File test/test_DocumentTable.rb, line 316
    def test_has_comment?
      @DocumentTable.document = { 'comment' => nil }
      assert(! @DocumentTable.has_comment?)
      @DocumentTable.document = { 'comment' => '' }
      assert(! @DocumentTable.has_comment?)
      @DocumentTable.document = { 'comment' => 'Hello world.' }
      assert(@DocumentTable.has_comment?)
    end