}
@Ignore // TODO: principal not yet validated
@Test
public void testAddInvalidEntry() throws Exception {
Principal unknownPrincipal = new PrincipalImpl("unknown");
try {
emptyAcl.addAccessControlEntry(unknownPrincipal, privilegesFromNames(Privilege.JCR_READ));
fail("Adding an ACE with an unknown principal should fail");
} catch (AccessControlException e) {
// success