<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1252268 --> <head> <meta charset="utf-8"> <title>Test for Bug 1252268</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=1252268">Mozilla Bug 1252268</a> <script type="text/javascript"> function go() { SimpleTest.requestFlakyTimeout("I'm smarter than the test harness"); var ranOnce = false; var finished = false; var interval = setInterval(function () { if (ranOnce) { ok(false, "Don't execute me again!"); clearInterval(interval); if (!finished) { finished = true; SimpleTest.finish(); } } else { ranOnce = true; ok(true, "Ran the first time"); try { TestFunctions.throwUncatchableException(); ok(false, "How did we get here!"); } catch (e) { ok(false, "How did we get here!?"); } } }, 100); setTimeout(function() { if (!finished) { finished = true; SimpleTest.finish(); } }, 1000); } SimpleTest.waitForExplicitFinish(); SpecialPowers.pushPrefEnv({set: [['dom.expose_test_interfaces', true]]}, go); </script> </body> </html>