michael@0: /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: function run_test()
michael@0: {
michael@0:   /*
michael@0:    * NOTE: [i] is not allowed in this test, since it's done via classinfo and
michael@0:    * we don't have that in xpcshell; the workaround is item(i).  Suck.
michael@0:    */
michael@0:   init();
michael@0: 
michael@0:   test_element();
michael@0: 
michael@0:   // more tests would be nice here (such as for documents), but the primary
michael@0:   // uses of Node.normalize() are in test_element; stuff beyond this is either
michael@0:   // unimplemented or is unlikely to be used all that much within a browser
michael@0:   // DOM implementation
michael@0: }
michael@0: 
michael@0: // TEST CODE
michael@0: 
michael@0: var doc; // cache for use in all tests
michael@0: 
michael@0: function init()
michael@0: {
michael@0:   doc = ParseFile("empty_document.xml");
michael@0: }
michael@0: 
michael@0: function test_element()
michael@0: {
michael@0:   var x = doc.createElement("funk");
michael@0: 
michael@0:   // one empty Text node
michael@0:   x.appendChild(doc.createTextNode(""));
michael@0:   do_check_eq(x.childNodes.length, 1);
michael@0: 
michael@0:   x.normalize();
michael@0:   do_check_eq(x.childNodes.length, 0);
michael@0: 
michael@0: 
michael@0:   // multiple empty Text nodes
michael@0:   x.appendChild(doc.createTextNode(""));
michael@0:   x.appendChild(doc.createTextNode(""));
michael@0:   do_check_eq(x.childNodes.length, 2);
michael@0: 
michael@0:   x.normalize();
michael@0:   do_check_eq(x.childNodes.length, 0);
michael@0: 
michael@0: 
michael@0:   // empty Text node followed by other Text node
michael@0:   x.appendChild(doc.createTextNode(""));
michael@0:   x.appendChild(doc.createTextNode("Guaraldi"));
michael@0:   do_check_eq(x.childNodes.length, 2);
michael@0: 
michael@0:   x.normalize();
michael@0:   do_check_eq(x.childNodes.length, 1);
michael@0:   do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");
michael@0: 
michael@0: 
michael@0:   // Text node followed by empty Text node
michael@0:   clearKids(x);
michael@0:   x.appendChild(doc.createTextNode("Guaraldi"));
michael@0:   x.appendChild(doc.createTextNode(""));
michael@0:   do_check_eq(x.childNodes.length, 2);
michael@0: 
michael@0:   x.normalize();
michael@0:   do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");
michael@0: 
michael@0: 
michael@0:   // Text node followed by empty Text node followed by other Node
michael@0:   clearKids(x);
michael@0:   x.appendChild(doc.createTextNode("Guaraldi"));
michael@0:   x.appendChild(doc.createTextNode(""));
michael@0:   x.appendChild(doc.createElement("jazzy"));
michael@0:   do_check_eq(x.childNodes.length, 3);
michael@0: 
michael@0:   x.normalize();
michael@0:   do_check_eq(x.childNodes.length, 2);
michael@0:   do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");
michael@0:   do_check_eq(x.childNodes.item(1).nodeName, "jazzy");
michael@0: 
michael@0: 
michael@0:   // Nodes are recursively normalized
michael@0:   clearKids(x);
michael@0:   var kid = doc.createElement("eit");
michael@0:   kid.appendChild(doc.createTextNode(""));
michael@0: 
michael@0:   x.appendChild(doc.createTextNode("Guaraldi"));
michael@0:   x.appendChild(doc.createTextNode(""));
michael@0:   x.appendChild(kid);
michael@0:   do_check_eq(x.childNodes.length, 3);
michael@0:   do_check_eq(x.childNodes.item(2).childNodes.length, 1);
michael@0: 
michael@0:   x.normalize();
michael@0:   do_check_eq(x.childNodes.length, 2);
michael@0:   do_check_eq(x.childNodes.item(0).nodeValue, "Guaraldi");
michael@0:   do_check_eq(x.childNodes.item(1).childNodes.length, 0);
michael@0: }
michael@0: 
michael@0: 
michael@0: // UTILITY FUNCTIONS
michael@0: 
michael@0: function clearKids(node)
michael@0: {
michael@0:   while (node.hasChildNodes())
michael@0:     node.removeChild(node.childNodes.item(0));
michael@0: }