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<!DOCTYPE HTML>
<html>
<!--
Sanity test that we can compute dominator trees from a heap snapshot in a web window.
-->
<head>
<meta charset="utf-8">
<title>ChromeUtils.saveHeapSnapshot test</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">
</head>
<body>
<pre id="test">
<script>
SimpleTest.waitForExplicitFinish();
window.onload = function() {
const path = ChromeUtils.saveHeapSnapshot({ runtime: true });
const snapshot = ChromeUtils.readHeapSnapshot(path);
const dominatorTree = snapshot.computeDominatorTree();
ok(dominatorTree);
ok(dominatorTree instanceof DominatorTree);
let threw = false;
try {
new DominatorTree();
} catch (e) {
threw = true;
}
ok(threw, "Constructor shouldn't be usable");
SimpleTest.finish();
};
</script>
</pre>
</body>
</html>
|
