| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| description("Tests time unit of requestAnimationFrame callback"); |
| |
| var isTimeUnitInMs = false; |
| |
| window.requestAnimationFrame(function(time) { |
| var callbackTimeRef = time; |
| var timeRefInMs = Date.now(); |
| |
| setTimeout(async function() { |
| window.requestAnimationFrame(function(time) { |
| var delta = time - callbackTimeRef; |
| var deltaTimeInMs = Date.now() - timeRefInMs; |
| var toleranceInMs = 10; |
| isTimeUnitInMs = Math.abs(delta - deltaTimeInMs) <= toleranceInMs; |
| shouldBeTrue("isTimeUnitInMs"); |
| isSuccessfullyParsed(); |
| |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }); |
| |
| await testRunner?.displayAndTrackRepaints(); |
| }, 1); |
| }); |
| |
| onload = async () => { |
| testRunner?.waitUntilDone(); |
| await testRunner?.displayAndTrackRepaints(); |
| } |
| </script> |
| </body> |
| </html> |
