}
public final void testSum() throws Exception {
EMFXPath xpath = new EMFXPath("sum(lib:books/lib:pages)");
xpath.addNamespace("lib", LibraryPackage.eNS_URI);
Number result = xpath.numberValueOf(fixture);
assertNotNull(result);
assertEquals(6000, result.intValue());
}
public final void testFeatureMap() throws Exception {