| <!DOCTYPE HTML><!-- webkit-test-runner [ experimental:WebAnimationsCSSIntegrationEnabled=false ] --> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| var currentFrame = 0; |
| var timestamp1 = 0; |
| var failed = false; |
| |
| function finishTest() |
| { |
| if (failed) |
| testFailed("Some of the multiple requestAnimationFrame() callbacks, which were fired at the same time, received different timestamps."); |
| else |
| testPassed("All the multiple requestAnimationFrame() callbacks, which were fired at the same time, received the same timestamp."); |
| finishJSTest(); |
| } |
| |
| function doAnimation1(timestamp) |
| { |
| timestamp1 = timestamp; |
| |
| const MaxFrames = 25; |
| if (currentFrame == MaxFrames) |
| finishTest(); |
| else { |
| requestAnimationFrame(doAnimation1); |
| requestAnimationFrame(doAnimation2); |
| } |
| } |
| |
| function doAnimation2(timestamp) |
| { |
| const WarmupFrames = 5; |
| if (++currentFrame > WarmupFrames && timestamp != timestamp1) { |
| testFailed("timestamp1 = " + timestamp1 + ", timestamp2 = " + timestamp2 + ", window.performance.now() = " + window.performance.now()); |
| failed = true; |
| } |
| } |
| |
| window.jsTestIsAsync = true; |
| requestAnimationFrame(doAnimation1); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
