@Test
public void testNodeSetFilter() throws Exception {

	NodeSetFilter targetElementFilter = new NodeSetFilter(null, null, false, false, null);
	String expected="<prefix- uri=\"urn:tja\">\n" +
			"\t<sub1 xmlns=\"urn:tja\">\n" +
				"\t\t<a>x</a>\n" +
			"\t</sub1>\n" +
			"</prefix->\n" +
			"<prefix- uri=\"urn:tja\">\n" +
			"\t<x xmlns=\"urn:tja\">\n" +
			"\t\t<sub2>\n" +
			"\t\t\t<a>y</a>\n" +
			"\t\t\t<b>y</b>\n" +
			"\t\t</sub2>\n" +
			"\t</x>\n" +
			"</prefix->\n" +
			"<prefix- uri=\"urn:tja\">\n" +
			"\t<sub2 xmlns=\"urn:tja\">\n" +
			"\t\t<a>y</a>\n" +
			"\t\t<b>y</b>\n" +
			"\t</sub2>\n" +
			"</prefix->\n" +
			"<prefix- uri=\"urn:tja\">\n" +
			"\t<xx xmlns=\"urn:tja\"/>\n" +
			"</prefix->";
	testNodeSetFilter(targetElementFilter, "a", false, document, expected);
}