1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.jxpath.ri.axes;
19
20 import org.apache.commons.jxpath.AbstractJXPathTest;
21 import org.apache.commons.jxpath.JXPathContext;
22 import org.junit.jupiter.api.BeforeEach;
23 import org.junit.jupiter.api.Test;
24
25 /**
26 * Test for the protection mechanism that stops infinite recursion in descent down a recursive graph.
27 */
28 public class RecursiveAxesTest extends AbstractJXPathTest {
29
30 private RecursiveBean bean;
31 private JXPathContext context;
32
33 @Override
34 @BeforeEach
35 protected void setUp() throws Exception {
36 bean = new RecursiveBean("zero");
37 final RecursiveBean bean1 = new RecursiveBean("one");
38 final RecursiveBean bean2 = new RecursiveBean("two");
39 final RecursiveBean bean3 = new RecursiveBean("three");
40 bean.setFirst(bean1);
41 bean1.setFirst(bean2);
42 bean2.setFirst(bean1);
43 bean2.setSecond(bean3);
44 context = JXPathContext.newContext(null, bean);
45 }
46
47 @Test
48 public void testInfiniteDescent() {
49 // Existing scalar property
50 assertXPathPointer(context, "//.[name = 'three']", "/first/first/second");
51 }
52 }