public  void setUp() throws ParserConfigurationException 
{
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setValidating(false);
        factory.setNamespaceAware(false);
        this.domImpl = factory.newDocumentBuilder().getDOMImplementation();
}

 public  void testCompare22To22() throws Exception 
{
        assertTrue(WebXmlVersion.V2_2.compareTo(WebXmlVersion.V2_2) == 0);
}

Verifies that comparing version 2.2 to version 2.2 yields zero.

 public  void testCompare22To23() throws Exception 
{
        assertTrue(WebXmlVersion.V2_2.compareTo(WebXmlVersion.V2_3) <  0);
}

Verifies that comparing version 2.2 to version 2.3 yields a negative value.

 public  void testCompare23To22() throws Exception 
{
        assertTrue(WebXmlVersion.V2_3.compareTo(WebXmlVersion.V2_2)  > 0);
}

Verifies that comparing version 2.2 to version 2.3 yields a negative value.

 public  void testCompare23To23() throws Exception 
{
        assertTrue(WebXmlVersion.V2_3.compareTo(WebXmlVersion.V2_3) == 0);
}

Verifies that comparing version 2.3 to version 2.3 yields zero.

 public  void testValueOfDocType22() throws Exception 
{
        DocumentType docType = domImpl.createDocumentType("web-app",
            WebXmlVersion.V2_2.getPublicId(), WebXmlVersion.V2_2.getSystemId());
        assertEquals(WebXmlVersion.V2_2, WebXmlVersion.valueOf(docType));
}

Verifies that calling WebXmlVersion.valueOf() with a web-app 2.2 document type returns the correct instance.

 public  void testValueOfDocType23() throws Exception 
{
        DocumentType docType = domImpl.createDocumentType("web-app",
            WebXmlVersion.V2_3.getPublicId(), WebXmlVersion.V2_3.getSystemId());
        assertEquals(WebXmlVersion.V2_3, WebXmlVersion.valueOf(docType));
}

Verifies that calling WebXmlVersion.valueOf() with a web-app 2.3 document type returns the correct instance.

 public  void testValueOfNull() throws Exception 
{
        try
        {
            WebXmlVersion.valueOf((DocumentType) null);
            fail("Expected NullPointerException");
        }
        catch (NullPointerException expected)
        {
            // expected
        }
}

Verifies that calling WebXmlVersion.valueOf(null) throws a NullPointerException.

 public  void testValueOfUnknownDocType() throws Exception 
{
        DocumentType docType = domImpl.createDocumentType("web-app",
            "foo", "bar");
        assertNull(WebXmlVersion.valueOf(docType));
}

Verifies that calling WebXmlVersion.valueOf() with a unknown document type returns null.