<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=421602 --> <head> <title>Test for Bug 421602</title> <script type="text/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=421602">Mozilla Bug 421602</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script class="testbody" type="text/javascript"> /** Test for Bug 421602 **/ SimpleTest.waitForExplicitFinish(); var img1loaded = false; var img1errored = false; // Our test image function loadTestImage() { var img1 = new Image(); img1.onload = function() { img1loaded = true; finishTest(); } img1.onerror = function() { img1errored = true; finishTest(); } img1.src = window.location.href + "?image1=true"; } loadTestImage(); // Probably overkill to gc() more than once, but let's be safe SpecialPowers.gc(); SpecialPowers.gc(); SpecialPowers.gc(); function finishTest() { is(img1errored, true, "Image 1 should error"); is(img1loaded, false, "Image 1 should not load"); SimpleTest.finish(); } </script> </pre> </body> </html>