xrSession_cancelAnimationFrame.https.html

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This test has a WPT meta file that expects 4 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webxr/xrSession_cancelAnimationFrame.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<body>

  <script src=/resources/testharness.js></script>

  <script src=/resources/testharnessreport.js></script>

  <script src="resources/webxr_util.js"></script>

  <script src="resources/webxr_test_constants.js"></script>

  <script>

    let immersiveTestName = "XRSession requestAnimationFrame callbacks can be "

      + "unregistered with cancelAnimationFrame for immersive sessions";

    let nonImmersiveTestName = "XRSession requestAnimationFrame callbacks can be "

      + "unregistered with cancelAnimationFrame for non-immersive sessions";

    let fakeDeviceInitParams = TRACKED_IMMERSIVE_DEVICE;

    let testFunction = (session) => new Promise((resolve, reject) => {

      // Schedule and immediately cancel animation frame

      session.cancelAnimationFrame(session.requestAnimationFrame(

        (time, vrFrame) => { reject("Cancelled frame callback was called"); }));

      let counter = 0;

      let handle;

      function onFrame(time, vrFrame) {

        // Cancel the second animation frame.

        if (handle != 0) {

          session.cancelAnimationFrame(handle);

          handle = 0;

        // Run a few more animation frames to be sure that the cancelled frame isn't

        // going to call.

        counter++;

        if (counter >= 4) {

          // Ok, we're done here.

          resolve();

        } else {

          session.requestAnimationFrame(onFrame);

      // Schedule two animation frame and cancel one during on animation frame.

      session.requestAnimationFrame(onFrame);

      handle = session.requestAnimationFrame(

        (time, vrFrame) => { reject("Cancelled frame callback was called"); });

});

    xr_session_promise_test(immersiveTestName, testFunction,

      fakeDeviceInitParams, 'immersive-vr');

    xr_session_promise_test(nonImmersiveTestName, testFunction,

      fakeDeviceInitParams, 'inline');

  </script>

</body>