<!
DOCTYPE HTML>
<
html>
<!-- NodeIterator mutation tests, 2.
Originally part of WebKit, Mochi-ified by Zack Weinberg.
This file based on node-iterator-00[...].html from
http://svn.webkit.org/repository/webkit/trunk/LayoutTests/traversal/
-->
<
head>
<
title>DOM Traversal: NodeIterator: Mutations (2/x)</
title>
<
script src=
"/tests/SimpleTest/SimpleTest.js"></
script>
<
link rel=
"stylesheet" type=
"text/css" href=
"/tests/SimpleTest/test.css">
</
head>
<p id=
"display"></p>
<
div id=
"content" style=
"display: none">
</
div>
<
pre id=
"test">
<
script class=
"testbody" type=
"text/javascript">
function resetContent() {
var content = $(
'content');
content.innerHTML = (
'<span id="A"><\/span><span id="B"><\/span>'
+
'<span id="C"><\/span><span id="D"><\/span>'
+
'<span id="E"><\/span><span id="F"><\/span>'
+
'<span id="G"><\/span><span id="H"><\/span>'
+
'<span id="I"><\/span>');
return content;
}
function makeSpan(id) {
var e = document.createElement(
'span');
e.id = id;
return e;
}
function testNodeFilter(n) {
if (n.tagName ==
'SPAN')
return NodeFilter.FILTER_ACCEPT;
return NodeFilter.FILTER_SKIP;
}
function checkseq(it, root, expect) {
var checkIt = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT,
testNodeFilter);
var printedPointer = (it.referenceNode == undefined);
var string =
'';
var node;
while ((node = checkIt.nextNode()) != null) {
if (!printedPointer && it.referenceNode == node) {
printedPointer = true;
var s =
'[' + node.id +
'] ';
if (it.pointerBeforeReferenceNode)
string +=
"* " + s;
else
string += s +
"* ";
} else {
string += node.id +
" ";
}
}
is(string.slice(0, -1), expect,
"sequence check");
}
// first a basic sanity check [node-iterator-001]
(function(){
var root = resetContent();
var it = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT,
testNodeFilter);
checkseq(it, root,
'A B C D E F G H I');
it.nextNode();
checkseq(it, root,
'[A] * B C D E F G H I');
it.previousNode();
checkseq(it, root,
'* [A] B C D E F G H I');
it.previousNode();
checkseq(it, root,
'* [A] B C D E F G H I');
})();
// Mutations that should not move the iterator [node-iterator-002]
(function(){
var root = resetContent();
var it = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT,
testNodeFilter);
for (
var i = 0; i < 4; i++)
it.nextNode();
checkseq(it, root,
'A B C [D] * E F G H I');
root.removeChild($(
'E'));
checkseq(it, root,
'A B C [D] * F G H I');
var X = makeSpan(
'X');
root.insertBefore(X, $(
'F'));
checkseq(it, root,
'A B C [D] * X F G H I');
var I = $(
'I');
root.removeChild(I);
root.insertBefore(I, X);
checkseq(it, root,
'A B C [D] * I X F G H');
})();
// 002 complete
/* Template
(function(){
var root = resetContent();
var it = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT,
testNodeFilter);
})();
*/
</
script>
</
pre>
</
body>
</
html>
