gecko/content/test/unit/test_isequalnode.js

436 lines
12 KiB
JavaScript

/* -*- 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!");
}