<!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 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_capture_debuggee_only', false]]}, a); </script> </body> </html>