@Test
public void neverAcceptOnEmptyFilter() throws Exception {

    NodeFilter filter = new NodeFilter();
    assertFalse(filter.accept(createTestNode("node-1", "1.2.3.4")));
    assertFalse(filter.accept(createTestNode("node-2", "1.2.3.4")));
    assertFalse(filter.accept(createTestNode("node-2", "1.2.3.99")));
    assertFalse(filter.accept(createTestNode("node-2", "1.2.99.99")));
    assertFalse(filter.accept(createTestNode("node-2", "1.99.99.99")));
    assertFalse(filter.accept(createTestNode("node-2", "2.99.99.99")));
}