@Test
public void visitNodeValueDTTest() {

	// 2001-10-26T21:32:52
	GregorianCalendar cal = new GregorianCalendar(2001, 10, 26, 21, 32, 52);
	Node n =NodeFactory.createLiteralByValue( cal, XSDDatatype.XSDdateTime);
	NodeValue nv = new NodeValueDT( "2001-10-26T21:32:52", n);
	nv.visit( rewriter );
	NodeValue result = rewriter.getResult();
	assertEquals( nv, result );
	assertEquals( nv.getClass(), result.getClass() );
}