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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1142577
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 1142577 - Async stacks for setTimeout</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1142577">Mozilla Bug 1142577</a>
<pre id="stack"></pre>
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("Testing async stacks across setTimeout");
function getFunctionName(frame) {
return frame.slice(0, frame.indexOf("@"));
}
function a() { b() }
function b() { c() }
function c() { setTimeout(d, 1) }
function d() { e() }
function e() { f() }
function f() { setTimeout(g, 1) }
function g() { h() }
function h() { i() }
function i() {
var stackString = Error().stack;
document.getElementById("stack").textContent = stackString;
var frames = stackString
.split("\n")
.map(getFunctionName)
.filter(function (name) { return !!name; });
is(frames[0], "i");
is(frames[1], "h");
is(frames[2], "g");
is(frames[3], "setTimeout handler*SimpleTest_setTimeoutShim");
is(frames[4], "f");
is(frames[5], "e");
is(frames[6], "d");
is(frames[7], "setTimeout handler*SimpleTest_setTimeoutShim");
is(frames[8], "c");
is(frames[9], "b");
is(frames[10], "a");
SimpleTest.finish();
}
SpecialPowers.pushPrefEnv(
{"set": [['javascript.options.asyncstack', true]]},
a);
</script>
</body>
</html>
|
