<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=655297 --> <head> <title>Test for Bug 655297</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=655297">Mozilla Bug 655297</a> <p id="display"></p> <div id="content" style="display: none"> </div> <form>0</form> <form>1</form> <form>2</form> <form>3</form> <form>4</form> <form>5</form> <form>6</form> <form>7</form> <form>8</form> <form>9</form> <pre id="test"> <script type="application/javascript"> /** Test for Bug 655297 **/ var map = new WeakMap(); function f() { var paras = document.getElementsByTagName("form"); for (var i = 0; i < paras.length; i++) map.set(paras[i], "ok"); } function g() { var paras = document.getElementsByTagName("form"); for (var i = 0; i < paras.length; i++) { if (map.get(paras[i]) != "ok") { return false; } } return true; } f(); SpecialPowers.forceGC(); ok(g(), "Failed to keep XPCWrappedNative used as WeakMap key alive."); </script> </pre> </body> </html>