// Test quotes are not escaped.
    assertEquals("\"test\"", xmlContentEscaper.escape("\"test\""));
    assertEquals("'test'", xmlContentEscaper.escape("'test'"));
  }

  public void testXmlAttributeEscaper() throws Exception {
    CharEscaper xmlAttributeEscaper = (CharEscaper) XmlEscapers.xmlAttributeEscaper();
    assertBasicXmlEscaper(xmlAttributeEscaper, true, true);
    // Test quotes are escaped.