test_bug647518.html (1063B)
1 <!DOCTYPE HTML> 2 <html> 3 <!-- 4 https://bugzilla.mozilla.org/show_bug.cgi?id=647518 5 --> 6 <head> 7 <title>Test for Bug 647518</title> 8 <script src="/tests/SimpleTest/SimpleTest.js"></script> 9 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> 10 </head> 11 <body> 12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=647518">Mozilla Bug 647518</a> 13 <p id="display"></p> 14 <div id="content" style="display: none"> 15 16 </div> 17 <pre id="test"> 18 <script type="application/javascript"> 19 20 /** Test for Bug 647518 */ 21 SimpleTest.waitForExplicitFinish(); 22 var counter = 3; 23 24 var called = false; 25 var handle1 = window.requestAnimationFrame(function() { 26 called = true; 27 }); 28 ok(handle1 > 0, "Should get back a nonzero handle"); 29 30 function checker() { 31 --counter; 32 if (counter == 0) { 33 is(called, false, "Canceled callback should not have been called"); 34 SimpleTest.finish(); 35 } else { 36 window.requestAnimationFrame(checker); 37 } 38 } 39 window.requestAnimationFrame(checker); 40 window.cancelAnimationFrame(handle1); 41 42 </script> 43 </pre> 44 </body> 45 </html>