}
public final void testStringValueOf() throws Exception {
EMFXPath xpath = new EMFXPath("lib:writers[lib:books[.=//lib:books[lib:category='Mystery']]]/lib:name");
xpath.addNamespace("lib", LibraryPackage.eNS_URI);
String result = xpath.stringValueOf(fixture);
assertEquals("Writer 1", result);
}
public final void testSum() throws Exception {
EMFXPath xpath = new EMFXPath("sum(lib:books/lib:pages)");