| <!DOCTYPE html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="resources/fake-vr-displays.js"></script> |
| <script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script> |
| <script src="file:///gen/device/vr/vr_service.mojom.js"></script> |
| <script src="resources/mock-vr-service.js"></script> |
| <script> |
| let fakeDisplays = fakeVRDisplays(); |
| |
| vr_test( (t) => { |
| return navigator.getVRDisplays().then( (displays) => { |
| let display = displays[0]; |
| let canFinish = false; |
| let counter = 0; |
| |
| function onAnimationFrame() { |
| // Intentionally display.rAF at the beginning, ensuring that there's an |
| // outstanding callback when t.done() is called. This is to make sure it |
| // doesn't cause any unexpected behavior like it did with |
| // crbug.com/679401 |
| display.requestAnimationFrame(onAnimationFrame); |
| if (counter > 10) { |
| t.done(); |
| } |
| if (counter > 0) { |
| counter++; |
| } |
| if (canFinish) { |
| canFinish = false; |
| counter++; |
| } |
| } |
| |
| let handle = display.requestAnimationFrame(onAnimationFrame); |
| display.cancelAnimationFrame(0); |
| display.cancelAnimationFrame(-1); |
| display.cancelAnimationFrame(handle + 1); |
| display.cancelAnimationFrame(handle - 1); |
| display.cancelAnimationFrame(0.5); |
| display.cancelAnimationFrame(null); |
| canFinish = true; |
| }, (err) => { |
| t.step( () => { |
| assert_unreached("getVRDisplays rejected"); |
| }); |
| t.done(); |
| }); |
| }, [fakeDisplays["Pixel"]], |
| "cancelAnimationFrame does not have unexpected behavior when given invalid handles"); |
| |
| </script> |
