The Tor Browser: content/test/unit/test_isequalnode.js@6474c204b198 (annotated)

content/test/unit/test_isequalnode.js@6474c204b198 (annotated)

content/test/unit/test_isequalnode.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 function run_test()
 {
   /*
    * NOTE: [i] is not allowed in this test, since it's done via classinfo and
    * we don't have that in xpcshell; the workaround is item(i).  Suck.
    */
   init();
   test_isEqualNode_setAttribute();
   test_isEqualNode_clones();
   test_isEqualNode_variety();
   test_isEqualNode_normalization();
   test_isEqualNode_whitespace();
   test_isEqualNode_namespaces();
   test_isEqualNode_wholeDoc();
   // XXX should Node.isEqualNode(null) throw or return false?
   //test_isEqualNode_null();
 }
 // TEST CODE
 var doc, root; // cache for use in all tests
 function init()
 {
   doc = ParseFile("isequalnode_data.xml");
   root = doc.documentElement;
 }
 function test_isEqualNode_setAttribute()
 {
   // NOTE: 0, 2 are whitespace
   var test1 = doc.getElementById("test_setAttribute");
   var node1 = test1.childNodes.item(1);
   var node2 = test1.childNodes.item(3);
   check_eq_nodes(node1, node2);
   el(node1).setAttribute("bar", "baz");
   check_neq_nodes(node1, node2);
   el(node2).setAttribute("bar", "baz");
   check_eq_nodes(node1, node2);
   // the null namespace is equivalent to no namespace -- section 1.3.3
   // (XML Namespaces) of DOM 3 Core
   node1.setAttributeNS(null, "quux", "17");
   check_neq_nodes(node1, node2);
   node2.setAttribute("quux", "17");
   check_eq_nodes(node1, node2);
   node2.setAttributeNS("http://mozilla.org/", "seamonkey", "rheet");
   check_neq_nodes(node1, node2);
   node1.setAttribute("seamonkey", "rheet");
   check_neq_nodes(node1, node2);
   node1.setAttributeNS("http://mozilla.org/", "seamonkey", "rheet");
   check_neq_nodes(node1, node2);
   // this overwrites the namespaced "seamonkey" attribute added to node2
   // earlier, because this simply sets whatever attribute has the fully
   // qualified name "seamonkey" (the setAttributeNS attribute string wasn't
   // prefixed) -- consequently, node1 and node2 are still unequal
   node2.setAttribute("seamonkey", "rheet");
   check_neq_nodes(node1, node2);
 }
 function test_isEqualNode_clones()
 {
   // tests all elements and attributes in the document
   var all_elts = doc.getElementsByTagName("*");
   for (var i = 0; i < all_elts.length; i++)
   {
     var elt = el(all_elts.item(i));
     check_eq_nodes(elt, elt.cloneNode(true));
     var attrs = elt.attributes;
     for (var j = 0; j < attrs.length; j++)
     {
       var attr = attrs.item(j);
       check_eq_nodes(attr, attr.cloneNode(true));
     }
   }
   var elm = doc.createElement("foo");
   check_eq_nodes(elm, elm.cloneNode(true));
   check_eq_nodes(elm, elm.cloneNode(false));
   elm.setAttribute("fiz", "eit");
   check_eq_nodes(elm, elm.cloneNode(true));
   check_eq_nodes(elm, elm.cloneNode(false));
   elm.setAttributeNS("http://example.com/", "trendoid", "arthroscope");
   check_eq_nodes(elm, elm.cloneNode(true));
   check_eq_nodes(elm, elm.cloneNode(false));
   var elm2 = elm.cloneNode(true);
   check_eq_nodes(elm, elm2);
   const TEXT = "fetishist";
   elm.textContent = TEXT;
   check_neq_nodes(elm, elm2);
   check_neq_nodes(elm, elm.cloneNode(false));
   check_eq_nodes(elm, elm.cloneNode(true));
   elm2.appendChild(doc.createTextNode(TEXT));
   check_eq_nodes(elm, elm2);
   var att = doc.createAttribute("bar");
   check_eq_nodes(att, att.cloneNode(true));
   check_eq_nodes(att, att.cloneNode(false));
 }
 function test_isEqualNode_variety()
 {
   const nodes =
     [
       doc.createElement("foo"),
       doc.createElementNS("http://example.com/", "foo"),
       doc.createElementNS("http://example.org/", "foo"),
       doc.createElementNS("http://example.com/", "FOO"),
       doc.createAttribute("foo", "href='biz'"),
       doc.createAttributeNS("http://example.com/", "foo", "href='biz'"),
       doc.createTextNode("foo"),
       doc.createTextNode("   "),
       doc.createTextNode("    "),
       doc.createComment("foo"),
       doc.createProcessingInstruction("foo", "href='biz'"),
       doc.implementation.createDocumentType("foo", "href='biz'", ""),
       doc.implementation.createDocument("http://example.com/", "foo", null),
       doc.createDocumentFragment()
     ];
   for (var i = 0; i < nodes.length; i++)
   {
     for (var j = i; j < nodes.length; j++)
     {
       if (i == j)
         check_eq_nodes(nodes[i], nodes[j]);
       else
         check_neq_nodes(nodes[i], nodes[j]);
     }
   }
 }
 function test_isEqualNode_normalization()
 {
   var norm = doc.getElementById("test_normalization");
   var node1 = norm.childNodes.item(1);
   var node2 = norm.childNodes.item(3);
   check_eq_nodes(node1, node2);
   node1.appendChild(doc.createTextNode(""));
   check_neq_nodes(node1, node2);
   node1.normalize();
   check_eq_nodes(node1, node2);
   node2.appendChild(doc.createTextNode("fun"));
   node2.appendChild(doc.createTextNode("ctor"));
   node1.appendChild(doc.createTextNode("functor"));
   check_neq_nodes(node1, node2);
   node1.normalize();
   check_neq_nodes(node1, node2);
   node2.normalize();
   check_eq_nodes(node1, node2);
   // reset
   while (node1.hasChildNodes())
     node1.removeChild(node1.childNodes.item(0));
   while (node2.hasChildNodes())
     node2.removeChild(node2.childNodes.item(0));
   // attribute normalization testing
   var at1 = doc.createAttribute("foo");
   var at2 = doc.createAttribute("foo");
   check_eq_nodes(at1, at2);
   // Attr.appendChild isn't implemented yet (bug 56758), so don't run this yet
   if (false)
   {
     at1.appendChild(doc.createTextNode("rasp"));
     at2.appendChild(doc.createTextNode("rasp"));
     check_eq_nodes(at1, at2);
     at1.appendChild(doc.createTextNode(""));
     check_neq_nodes(at1, at2);
     at1.normalize();
     check_eq_nodes(at1, at2);
     at1.appendChild(doc.createTextNode("berry"));
     check_neq_nodes(at1, at2);
     at2.appendChild(doc.createTextNode("ber"));
     check_neq_nodes(at1, at2);
     at2.appendChild(doc.createTextNode("ry"));
     check_neq_nodes(at1, at2);
     at1.normalize();
     check_neq_nodes(at1, at2);
     at2.normalize();
     check_eq_nodes(at1, at2);
   }
   node1.setAttributeNode(at1);
   check_neq_nodes(node1, node2);
   node2.setAttributeNode(at2);
   check_eq_nodes(node1, node2);
   var n1text1 = doc.createTextNode("ratfink");
   var n1elt = doc.createElement("fruitcake");
   var n1text2 = doc.createTextNode("hydrospanner");
   node1.appendChild(n1text1);
   node1.appendChild(n1elt);
   node1.appendChild(n1text2);
   check_neq_nodes(node1, node2);
   var n2text1a = doc.createTextNode("rat");
   var n2text1b = doc.createTextNode("fink");
   var n2elt = doc.createElement("fruitcake");
   var n2text2 = doc.createTextNode("hydrospanner");
   node2.appendChild(n2text1b);
   node2.appendChild(n2elt);
   node2.appendChild(n2text2);
   check_neq_nodes(node1, node2);
   node2.insertBefore(n2text1a, n2text1b);
   check_neq_nodes(node1, node2);
   var tmp_node1 = node1.cloneNode(true);
   tmp_node1.normalize();
   var tmp_node2 = node2.cloneNode(true);
   tmp_node2.normalize();
   check_eq_nodes(tmp_node1, tmp_node2);
   n2elt.appendChild(doc.createTextNode(""));
   check_neq_nodes(node1, node2);
   tmp_node1 = node1.cloneNode(true);
   tmp_node1.normalize();
   tmp_node2 = node2.cloneNode(true);
   tmp_node2.normalize();
   check_eq_nodes(tmp_node1, tmp_node2);
   var typeText1 = doc.createTextNode("type");
   n2elt.appendChild(typeText1);
   tmp_node1 = node1.cloneNode(true);
   tmp_node1.normalize();
   tmp_node2 = node2.cloneNode(true);
   tmp_node2.normalize();
   check_neq_nodes(tmp_node1, tmp_node2);
   n1elt.appendChild(doc.createTextNode("typedef"));
   tmp_node1 = node1.cloneNode(true);
   tmp_node1.normalize();
   tmp_node2 = node2.cloneNode(true);
   tmp_node2.normalize();
   check_neq_nodes(tmp_node1, tmp_node2);
   check_neq_nodes(n1elt, n2elt);
   var typeText2 = doc.createTextNode("def");
   n2elt.appendChild(typeText2);
   tmp_node1 = node1.cloneNode(true);
   tmp_node1.normalize();
   tmp_node2 = node2.cloneNode(true);
   tmp_node2.normalize();
   check_eq_nodes(tmp_node1, tmp_node2);
   check_neq_nodes(node1, node2);
   n2elt.insertBefore(doc.createTextNode(""), typeText2);
   check_neq_nodes(node1, node2);
   n2elt.insertBefore(doc.createTextNode(""), typeText2);
   check_neq_nodes(node1, node2);
   n2elt.insertBefore(doc.createTextNode(""), typeText1);
   check_neq_nodes(node1, node2);
   node1.normalize();
   node2.normalize();
   check_eq_nodes(node1, node2);
 }
 function test_isEqualNode_whitespace()
 {
   equality_check_kids("test_pi1", true);
   equality_check_kids("test_pi2", true);
   equality_check_kids("test_pi3", false);
   equality_check_kids("test_pi4", true);
   equality_check_kids("test_pi5", true);
   equality_check_kids("test_elt1", false);
   equality_check_kids("test_elt2", false);
   equality_check_kids("test_elt3", true);
   equality_check_kids("test_elt4", false);
   equality_check_kids("test_elt5", false);
   equality_check_kids("test_comment1", true);
   equality_check_kids("test_comment2", false);
   equality_check_kids("test_comment3", false);
   equality_check_kids("test_comment4", true);
   equality_check_kids("test_text1", true);
   equality_check_kids("test_text2", false);
   equality_check_kids("test_text3", false);
   equality_check_kids("test_cdata1", false);
   equality_check_kids("test_cdata2", true);
   equality_check_kids("test_cdata3", false);
   equality_check_kids("test_cdata4", false);
   equality_check_kids("test_cdata5", false);
 }
 function test_isEqualNode_namespaces()
 {
   equality_check_kids("test_ns1", false);
   equality_check_kids("test_ns2", false);
   // XXX want more tests here!
 }
 function test_isEqualNode_null()
 {
   check_neq_nodes(doc, null);
   var elts = doc.getElementsByTagName("*");
   for (var i = 0; i < elts.length; i++)
   {
     var elt = elts.item(i);
     check_neq_nodes(elt, null);
     var attrs = elt.attributes;
     for (var j = 0; j < attrs.length; j++)
     {
       var att = attrs.item(j);
       check_neq_nodes(att, null);
       for (var k = 0; k < att.childNodes.length; k++)
       {
         check_neq_nodes(att.childNodes.item(k), null);
       }
     }
   }
 }
 function test_isEqualNode_wholeDoc()
 {
   doc = ParseFile("isequalnode_data.xml");
   var doc2 = ParseFile("isequalnode_data.xml");
   var tw1 =
     doc.createTreeWalker(doc, Components.interfaces.nsIDOMNodeFilter.SHOW_ALL,
                          null);
   var tw2 =
     doc2.createTreeWalker(doc2, Components.interfaces.nsIDOMNodeFilter.SHOW_ALL,
                           null);
   do {
     check_eq_nodes(tw1.currentNode, tw2.currentNode);
     tw1.nextNode();
   } while(tw2.nextNode());
 }
 // UTILITY FUNCTIONS
 function n(node)  { return node ? node.QueryInterface(nsIDOMNode) : null; }
 function el(node) { return node ? node.QueryInterface(nsIDOMElement) : null; }
 function at(node) { return node ? node.QueryInterface(nsIDOMAttr) : null; }
 // TESTING FUNCTIONS
 /**
  * Compares the first and third (zero-indexed) child nodes of the element
  * (typically to allow whitespace) referenced by parentId for isEqualNode
  * equality or inequality based on the value of areEqual.
  *
  * Note that this means that the contents of the element referenced by parentId
  * are whitespace-sensitive, and a stray space introduced during an edit to the
  * file could result in a correct but unexpected (in)equality failure.
  */
 function equality_check_kids(parentId, areEqual)
 {
   var parent = doc.getElementById(parentId);
   var kid1 = parent.childNodes.item(1);
   var kid2 = parent.childNodes.item(3);
   if (areEqual)
     check_eq_nodes(kid1, kid2);
   else
     check_neq_nodes(kid1, kid2);
 }
 function check_eq_nodes(n1, n2)
 {
   if (n1 && !n1.isEqualNode(n2))
     do_throw(n1 + " should be equal to " + n2);
   if (n2 && !n2.isEqualNode(n1))
     do_throw(n2 + " should be equal to " + n1);
   if (!n1 && !n2)
     do_throw("nodes both null!");
 }
 function check_neq_nodes(n1, n2)
 {
   if (n1 && n1.isEqualNode(n2))
     do_throw(n1 + " should not be equal to " + n2);
   if (n2 && n2.isEqualNode(n1))
     do_throw(n2 + " should not be equal to " + n1);
   if (!n1 && !n2)
     do_throw("n1 and n2 both null!");
 }