/*
* Copyright (C) 2004 Joe Walnes.
* Copyright (C) 2006, 2007, 2008 XStream Committers.
* All rights reserved.
*
* The software in this package is published under the terms of the BSD
* style license a copy of which has been included with this distribution in
* the LICENSE.txt file.
*
* Created on 07. May 2004 by Joe Walnes
*/
package com.thoughtworks.acceptance;
import com.thoughtworks.xstream.XStream;
public class RelativeXPathCircularReferenceTest extends AbstractCircularReferenceTest {
// inherits test from superclass
protected void setUp() throws Exception {
super.setUp();
xstream.setMode(XStream.XPATH_RELATIVE_REFERENCES);
}
public void testCircularReferenceXml() {
Person bob = new Person("bob");
Person jane = new Person("jane");
bob.likes = jane;
jane.likes = bob;
String expected = "" +
"<person>\n" +
" <firstname>bob</firstname>\n" +
" <likes>\n" +
" <firstname>jane</firstname>\n" +
" <likes reference=\"../..\"/>\n" +
" </likes>\n" +
"</person>";
assertEquals(expected, xstream.toXML(bob));
}
public void testCircularReferenceToSelfXml() {
Person bob = new Person("bob");
bob.likes = bob;
String expected = "" +
"<person>\n" +
" <firstname>bob</firstname>\n" +
" <likes reference=\"..\"/>\n" +
"</person>";
assertEquals(expected, xstream.toXML(bob));
}
static class LinkedElement {
String name;
LinkedElement next;
LinkedElement(String name) {
this.name = name;
}
}
public void testRing() {
LinkedElement tom = new LinkedElement("Tom");
LinkedElement dick = new LinkedElement("Dick");
LinkedElement harry = new LinkedElement("Harry");
tom.next = dick;
dick.next = harry;
harry.next = tom;
xstream.alias("elem", LinkedElement.class);
String expected = "" +
"<elem>\n" +
" <name>Tom</name>\n" +
" <next>\n" +
" <name>Dick</name>\n" +
" <next>\n" +
" <name>Harry</name>\n" +
" <next reference=\"../../..\"/>\n" +
" </next>\n" +
" </next>\n" +
"</elem>";
assertEquals(expected, xstream.toXML(tom));
}
}