/*
* 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.axiom.ts.dom.element;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.axiom.ts.dom.DOMTestCase;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentFragment;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
* Tests the behavior of {@link Node#replaceChild(Node, Node)} when replacing a child by a
* {@link DocumentFragment}. This test covers the case where the child being replaced is the first
* child (which uses a different code path in DOOM).
*/
public class TestReplaceChildFirstWithDocumentFragment extends DOMTestCase {
public TestReplaceChildFirstWithDocumentFragment(DocumentBuilderFactory dbf) {
super(dbf);
}
protected void runTest() throws Throwable {
Document document = dbf.newDocumentBuilder().newDocument();
DocumentFragment fragment = document.createDocumentFragment();
Element x = document.createElementNS(null, "x");
Element y = document.createElementNS(null, "y");
fragment.appendChild(x);
fragment.appendChild(y);
Element element = document.createElementNS(null, "parent");
Element a = document.createElementNS(null, "a");
Element b = document.createElementNS(null, "b");
element.appendChild(a);
element.appendChild(b);
element.replaceChild(fragment, a);
NodeList children = element.getChildNodes();
assertEquals(3, children.getLength());
assertSame(x, children.item(0));
assertSame(y, children.item(1));
assertSame(b, children.item(2));
assertSame(element, x.getParentNode());
assertSame(element, y.getParentNode());
assertNull(fragment.getFirstChild());
assertNull(fragment.getLastChild());
assertEquals(0, fragment.getChildNodes().getLength());
assertSame(x, element.getFirstChild());
assertSame(b, element.getLastChild());
}
}