Commons JXPath example source code file (RecursiveAxesTest.java)

This example Commons JXPath source code file (RecursiveAxesTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons JXPath tags/keywords

exception, exception, jxpathcontext, jxpathcontext, jxpathtestcase, recursiveaxestest, recursiveaxestest, recursivebean, recursivebean

The Commons JXPath RecursiveAxesTest.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.jxpath.ri.axes;

import org.apache.commons.jxpath.JXPathContext;
import org.apache.commons.jxpath.JXPathTestCase;

/**
 * Test for the protection mechanism that stops infinite recursion
 * in descent down a recursive graph. 
 */
public class RecursiveAxesTest extends JXPathTestCase {

    private RecursiveBean bean;
    private JXPathContext context;

    protected void setUp() throws Exception {
        bean = new RecursiveBean("zero");
        RecursiveBean bean1 = new RecursiveBean("one");
        RecursiveBean bean2 = new RecursiveBean("two");
        RecursiveBean bean3 = new RecursiveBean("three");
        bean.setFirst(bean1);
        bean1.setFirst(bean2);
        bean2.setFirst(bean1);
        bean2.setSecond(bean3);

        context = JXPathContext.newContext(null, bean);
    }

    public void testInfiniteDescent() {
        // Existing scalar property
        assertXPathPointer(
            context,
            "//.[name = 'three']",
            "/first/first/second");
    }
}