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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=
-->
<head>
<meta charset="utf-8">
<title>Test for Bug </title>
<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
<script type="application/javascript;version=1.8" src="inspector-helpers.js"></script>
<script type="application/javascript;version=1.8">
const inspector = require("devtools/shared/fronts/inspector");
window.onload = function() {
SimpleTest.waitForExplicitFinish();
runNextTest();
}
var gWalker = null;
var gClient = null;
function assertOwnership() {
return assertOwnershipTrees(gWalker);
}
addTest(function setup() {
let url = document.getElementById("inspectorContent").href;
attachURL(url, function(err, client, tab, doc) {
let {InspectorFront} = require("devtools/shared/fronts/inspector");
let inspector = InspectorFront(client, tab);
promiseDone(inspector.getWalker().then(walker => {
ok(walker, "getWalker() should return an actor.");
gClient = client;
gWalker = walker;
}).then(runNextTest));
});
});
addTest(function testReleaseSubtree() {
let originalOwnershipSize = 0;
let longlist = null;
let firstChild = null;
promiseDone(gWalker.querySelectorAll(gWalker.rootNode, "#longlist div").then(list => {
// Make sure we have the 26 children of longlist in our ownership tree.
is(list.length, 26, "Expect 26 div children.");
// Make sure we've read in all those children and incorporated them in our ownership tree.
return list.items();
}).then((items)=> {
originalOwnershipSize = assertOwnership();
// Here is how the ownership tree is summed up:
// #document 1
// <html> 1
// <body> 1
// <div id=longlist> 1
// <div id=a>a</div> 26*2 (each child plus it's singleTextChild)
// ...
// <div id=z>z</div>
// -----
// 56
is(originalOwnershipSize, 56, "Correct number of items in ownership tree");
firstChild = items[0].actorID;
}).then(() => {
// Now get the longlist and release it from the ownership tree.
return gWalker.querySelector(gWalker.rootNode, "#longlist");
}).then(node => {
longlist = node.actorID;
return gWalker.releaseNode(node);
}).then(() => {
// Our ownership size should now be 53 fewer (we forgot about #longlist + 26 children + 26 singleTextChild nodes)
let newOwnershipSize = assertOwnership();
is(newOwnershipSize, originalOwnershipSize - 53,
"Ownership tree should be lower");
// Now verify that some nodes have gone away
return checkMissing(gClient, longlist);
}).then(() => {
return checkMissing(gClient, firstChild);
}).then(runNextTest));
});
addTest(function cleanup() {
delete gWalker;
delete gClient;
runNextTest();
});
</script>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
<a id="inspectorContent" target="_blank" href="inspector-traversal-data.html">Test Document</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</html>
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