    1   /*
    2    * Copyright 1999-2004 The Apache Software Foundation
    3    *
    4    * Licensed under the Apache License, Version 2.0 (the "License");
    5    * you may not use this file except in compliance with the License.
    6    * You may obtain a copy of the License at
    7    *
    8    *     http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  package org.apache.commons.jxpath.ri.axes;
    17
    18  import org.apache.commons.jxpath.JXPathContext;
    19  import org.apache.commons.jxpath.JXPathTestCase;
    20
    21  /***
    22   * Test for the protection mechanism that stops infinite recursion
    23   * in descent down a recursive graph.
    24   */
    25  public class RecursiveAxesTest extends JXPathTestCase {
    26
    27      private RecursiveBean bean;
    28      private JXPathContext context;
    29
    30      public RecursiveAxesTest(String name) {
    31          super(name);
    32      }
    33
    34      public static void main(String[] args) {
    35          junit.textui.TestRunner.run(RecursiveAxesTest.class);
    36      }
    37
    38      /***
    39       * @see TestCase#setUp()
    40       */
    41      protected void setUp() throws Exception {
    42          bean = new RecursiveBean("zero");
    43          RecursiveBean bean1 = new RecursiveBean("one");
    44          RecursiveBean bean2 = new RecursiveBean("two");
    45          RecursiveBean bean3 = new RecursiveBean("three");
    46          bean.setFirst(bean1);
    47          bean1.setFirst(bean2);
    48          bean2.setFirst(bean1);
    49          bean2.setSecond(bean3);
    50
    51          context = JXPathContext.newContext(null, bean);
    52      }
    53
    54      public void testInfiniteDescent() {
    55          // Existing scalar property
    56          assertXPathPointer(
    57              context,
    58              "//.[name = 'three']",
    59              "/first/first/second");
    60      }
    61  }
    62