test_bug1158558.html (1201B)
1 <!DOCTYPE HTML> 2 <html> 3 <!-- 4 https://bugzilla.mozilla.org/show_bug.cgi?id=1158558 5 --> 6 <head> 7 <meta charset="utf-8"> 8 <title>Test for Bug 1158558</title> 9 <script src="/tests/SimpleTest/SimpleTest.js"></script> 10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> 11 </head> 12 <body> 13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1158558">Mozilla Bug 1158558</a> 14 <p id="display"></p> 15 <div id="content" style="display: none"> 16 <input id="ipt"></input> 17 </div> 18 <pre id="test"> 19 </pre> 20 <script type="application/javascript"> 21 22 /** Test for Bug 1158558 **/ 23 24 // Observers of cycle-collector-begin can be implemented in JS, and 25 // thus can end up starting an incremental GC while we're in the middle 26 // of a CC slice. 27 28 SimpleTest.waitForExplicitFinish(); 29 30 var observer = { 31 observe: function(subject, topic, data) { 32 SpecialPowers.removeObserver(observer, "cycle-collector-begin"); 33 SpecialPowers.Cu.getJSTestingFunctions().startgc(1); 34 35 ok(true, "Do something so the test harness doesn't get angry"); 36 37 SimpleTest.finish(); 38 } 39 }; 40 41 SpecialPowers.addObserver(observer, "cycle-collector-begin"); 42 43 SpecialPowers.Cu.forceCC(); 44 45 </script> 46 </body> 47 </html>