mozilla-central/dom/base/test/test_NodeIterator_mutations_1.xhtml

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Test Info:

<!-- NodeIterator mutation tests.
Originally written by Ian Hickson, Mochi-ified by Zack Weinberg.
This file based on 00[3-9].xml from
-->
<head>
<title>DOM Traversal: NodeIterator: Mutations (1/x)</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none">
<span id="X"></span><span id="Y"><span id="root1"><span id="A"><span id="B"><span id="C"><span id="D"><span id="E"></span></span></span></span></span></span></span>
<span id="root2"><span id="F"><span id="FF"></span></span><span id="G"></span><span id="H"><span id="HH"></span></span></span>
<span id="root3"><span id="I"><span id="II"></span></span><span id="J"></span><span id="K"><span id="KK"></span></span></span>
<span id="root4"><span id="L"></span><span id="M"><span id="MM"></span></span><span id="N"></span></span>
<span id="root5"><span id="O"></span><span id="P"><span id="PP"></span></span><span id="Q"></span></span>
<span id="root6"><span id="R"></span><span id="S"><span id="SS"></span></span><span id="T"></span></span>
<span id="root7"><span id="U"></span><span id="V"><span id="VV"></span></span><span id="W"></span></span>
</div>
<pre id="test">
<script class="testbody" type="text/javascript"><![CDATA[
/** Originally written by Ian Hickson. **/
function check(f, e, label) {
var eid = e.id;
var fid = f ? f.id : 'null';
is(f, e, label + ': expected ' + eid + ' have ' + fid);
}
var childid = 0;
function addChildTo(a) {
var x = document.createElementNS('http://www.w3.org/1999/xhtml', 'span');
x.id = 'X' + childid;
childid++;
ok(a, 'parent ' + (a?a.id:'undefined') + ' for child ' + x.id);
if (a)
a.appendChild(x);
return x;
}
function remove(a) {
var p = a.parentNode;
ok(a && p,
'removing ' + ( a?(a.id?a.id:'(no id)'):'undefined' )
+ ' with parent ' + ( p?(p.id?p.id:'(no id)'):'undefined' ));
if (a && p)
p.removeChild(a);
}
/** Removal of nodes that should have no effect **/
(function () {
var root = $('root1');
var A = $('A');
var B = $('B');
var C = $('C');
var D = $('D');
var E = $('E');
var iterator = document.createNodeIterator(root, NodeFilter.SHOW_ALL,
null);
check(iterator.nextNode(), root, '1.0');
// 1. Remove a node unrelated to the reference node
remove($('X'));
check(iterator.nextNode(), A, '1.1');
// 2. Remove an ancestor of the root node
remove($('Y'));
check(iterator.nextNode(), B, '1.2');
// 3. Remove the root node itself
remove(root);
check(iterator.nextNode(), C, '1.3');
// 4. Remove a descendant of the reference node
remove(E);
check(iterator.nextNode(), D, '1.4');
})();
/** Removal of the reference node **/
(function () {
var root = $('root2');
var F = $('F');
var FF = $('FF');
var G = $('G');
var H = $('H');
var iterator = document.createNodeIterator(root, NodeFilter.SHOW_ALL,
null);
check(iterator.nextNode(), root, '2.0');
check(iterator.nextNode(), F, '2.1');
check(iterator.nextNode(), FF, '2.2');
check(iterator.nextNode(), G, '2.3');
remove(G);
check(iterator.previousNode(), FF, '2.4');
remove(FF);
check(iterator.nextNode(), H, '2.5');
})();
/** Removal of the reference node (deep check) **/
(function () {
var root = $('root3');
var I = $('I');
var II = $('II');
var J = $('J');
var K = $('K');
var KK = $('KK');
var iterator = document.createNodeIterator(root, NodeFilter.SHOW_ALL,
null);
check(iterator.nextNode(), root, '3.0');
check(iterator.nextNode(), I, '3.1');
check(iterator.nextNode(), II, '3.2');
check(iterator.nextNode(), J, '3.3');
remove(J);
var X = addChildTo(II);
check(iterator.nextNode(), X, '3.4');
check(iterator.previousNode(), X, '3.5');
remove(X);
var Y = addChildTo(II);
check(iterator.previousNode(), Y, '3.6');
check(iterator.nextNode(), Y, '3.7');
check(iterator.nextNode(), K, '3.8');
check(iterator.nextNode(), KK, '3.9');
})();
/** Removal of an ancestor of the Reference Node (forwards) **/
(function () {
var root = $('root4');
var L = $('L');
var M = $('M');
var MM = $('MM');
var N = $('N');
var iterator = document.createNodeIterator(root, NodeFilter.SHOW_ALL,
null);
check(iterator.nextNode(), root, '4.1');
check(iterator.nextNode(), L, '4.2');
check(iterator.nextNode(), M, '4.3');
check(iterator.nextNode(), MM, '4.4');
remove(M);
check(iterator.previousNode(), L, '4.5');
})();
/** Removal of an ancestor of the Reference Node (forwards) (deep check) **/
(function () {
var root = $('root5');
var O = $('O');
var P = $('P');
var PP = $('PP');
var Q = $('Q');
var iterator = document.createNodeIterator(root, NodeFilter.SHOW_ALL,
null);
check(iterator.nextNode(), root, '5.1');
check(iterator.nextNode(), O, '5.2');
check(iterator.nextNode(), P, '5.3');
check(iterator.nextNode(), PP, '5.4');
remove(P);
var X = addChildTo(O);
check(iterator.nextNode(), X, '5.5');
})();
/** Removal of an ancestor of the Reference Node (backwards) **/
(function () {
var root = $('root6');
var R = $('R');
var S = $('S');
var SS = $('SS');
var T = $('T');
var iterator = document.createNodeIterator(root, NodeFilter.SHOW_ALL,
null);
check(iterator.nextNode(), root, '6.1');
check(iterator.nextNode(), R, '6.2');
check(iterator.nextNode(), S, '6.3');
check(iterator.nextNode(), SS, '6.4');
check(iterator.previousNode(), SS, '6.5');
remove(S);
check(iterator.nextNode(), T, '6.6');
})();
/** Removal of an ancestor of the Reference Node (backwards) (deep check) **/
(function () {
var root = $('root7');
var U = $('U');
var V = $('V');
var VV = $('VV');
var W = $('W');
var iterator = document.createNodeIterator(root, NodeFilter.SHOW_ALL,
null);
check(iterator.nextNode(), root, '7.1');
check(iterator.nextNode(), U, '7.2');
check(iterator.nextNode(), V, '7.3');
check(iterator.nextNode(), VV, '7.4');
check(iterator.previousNode(), VV, '7.5');
remove(V);
var X = addChildTo(U);
check(iterator.previousNode(), X, '7.6');
})();
]]></script></pre></body></html>