| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script> |
| description("Tests that requestAnimationFrame is throttled in subframes that are display:none"); |
| window.jsTestIsAsync = true; |
| |
| function checkSubframeThrottled() |
| { |
| shouldBeTrue("testFrame.contentWindow.internals.isRequestAnimationFrameThrottled()"); |
| |
| debug("Show subframe again"); |
| evalAndLog("testFrame.style.display = 'block';"); |
| |
| shouldBecomeEqual("testFrame.contentWindow.internals.isRequestAnimationFrameThrottled()", "false", finishJSTest); |
| } |
| |
| function hideFrame() |
| { |
| shouldBeFalse("testFrame.contentWindow.internals.isRequestAnimationFrameThrottled()"); |
| |
| debug("Hiding subframe."); |
| evalAndLog("testFrame.style.display = 'none';"); |
| |
| shouldBecomeEqual("testFrame.contentWindow.internals.isRequestAnimationFrameThrottled()", "true", checkSubframeThrottled); |
| } |
| |
| function runTest() |
| { |
| testFrame = document.getElementById("testFrame"); |
| debug("Frame is initially visibile so requestAnimationFrame should not be throttled"); |
| shouldBecomeEqual("testFrame.contentWindow.internals.isRequestAnimationFrameThrottled()", "false", hideFrame); |
| } |
| |
| var i = 0; |
| requestAnimationFrame(function() { |
| i++; |
| }); |
| </script> |
| <iframe id="testFrame" src="resources/requestAnimationFrame-frame.html" onload="runTest()"></iframe> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
