public void testPropertyIsNotEqualToEncode() throws Exception {
    PropertyIsNotEqualTo equalTo = FilterMockData.propertyIsNotEqualTo();

    Document dom = encode(equalTo, OGC.PropertyIsNotEqualTo);
    assertEquals(
        1, dom.getElementsByTagNameNS(OGC.NAMESPACE, OGC.PropertyName.getLocalPart()).getLength());
    assertEquals(
        1, dom.getElementsByTagNameNS(OGC.NAMESPACE, OGC.Literal.getLocalPart()).getLength());
  }
  public void testPropertyIsNotEqualToParse() throws Exception {
    FilterMockData.propertyIsNotEqualTo(document, document);

    PropertyIsNotEqualTo equalTo = (PropertyIsNotEqualTo) parse();
    assertNotNull(equalTo);

    assertNotNull(equalTo.getExpression1());
    assertNotNull(equalTo.getExpression2());
  }