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onfinish.html (4436B)

      1 <!DOCTYPE html>
      2 <meta charset=utf-8>
      3 <title>Animation.onfinish</title>
      4 <link rel="help" href="https://drafts.csswg.org/web-animations/#dom-animation-onfinish">
      5 <script src="/resources/testharness.js"></script>
      6 <script src="/resources/testharnessreport.js"></script>
      7 <script src="../../testcommon.js"></script>
      8 <body>
      9 <div id="log"></div>
     10 <script>
     11 'use strict';
     12 
     13 async_test(t => {
     14  const div = createDiv(t);
     15  const animation = div.animate({}, 100 * MS_PER_SEC);
     16  let finishedTimelineTime;
     17  animation.finished.then(() => {
     18    finishedTimelineTime = animation.timeline.currentTime;
     19  });
     20 
     21  animation.onfinish = t.step_func_done(event => {
     22    assert_equals(event.currentTime, 0,
     23      'event.currentTime should be zero');
     24    assert_times_equal(event.timelineTime, finishedTimelineTime,
     25      'event.timelineTime should equal to the animation timeline ' +
     26      'when finished promise is resolved');
     27  });
     28 
     29  animation.playbackRate = -1;
     30 }, 'onfinish event is fired when the currentTime < 0 and ' +
     31   'the playbackRate < 0');
     32 
     33 async_test(t => {
     34  const div = createDiv(t);
     35  const animation = div.animate({}, 100 * MS_PER_SEC);
     36 
     37  let finishedTimelineTime;
     38  animation.finished.then(() => {
     39    finishedTimelineTime = animation.timeline.currentTime;
     40  });
     41 
     42  animation.onfinish = t.step_func_done(event => {
     43    assert_times_equal(event.currentTime, 100 * MS_PER_SEC,
     44      'event.currentTime should be the effect end');
     45    assert_times_equal(event.timelineTime, finishedTimelineTime,
     46      'event.timelineTime should equal to the animation timeline ' +
     47      'when finished promise is resolved');
     48  });
     49 
     50  animation.currentTime = 100 * MS_PER_SEC;
     51 }, 'onfinish event is fired when the currentTime > 0 and ' +
     52   'the playbackRate > 0');
     53 
     54 async_test(t => {
     55  const div = createDiv(t);
     56  const animation = div.animate({}, 100 * MS_PER_SEC);
     57 
     58  let finishedTimelineTime;
     59  animation.finished.then(() => {
     60    finishedTimelineTime = animation.timeline.currentTime;
     61  });
     62 
     63  animation.onfinish = t.step_func_done(event => {
     64    assert_times_equal(event.currentTime, 100 * MS_PER_SEC,
     65      'event.currentTime should be the effect end');
     66    assert_times_equal(event.timelineTime, finishedTimelineTime,
     67      'event.timelineTime should equal to the animation timeline ' +
     68      'when finished promise is resolved');
     69  });
     70 
     71  animation.finish();
     72 }, 'onfinish event is fired when animation.finish() is called');
     73 
     74 promise_test(async t => {
     75  const div = createDiv(t);
     76  const animation = div.animate({}, 100 * MS_PER_SEC);
     77 
     78  animation.onfinish = event => {
     79    assert_unreached('onfinish event should not be fired');
     80  };
     81 
     82  animation.currentTime = 100 * MS_PER_SEC / 2;
     83  animation.pause();
     84 
     85  await animation.ready;
     86  animation.currentTime = 100 * MS_PER_SEC;
     87  await waitForAnimationFrames(2);
     88 }, 'onfinish event is not fired when paused');
     89 
     90 promise_test(async t => {
     91  const div = createDiv(t);
     92  const animation = div.animate({}, 100 * MS_PER_SEC);
     93  animation.onfinish = event => {
     94    assert_unreached('onfinish event should not be fired');
     95  };
     96 
     97  await animation.ready;
     98  animation.playbackRate = 0;
     99  animation.currentTime = 100 * MS_PER_SEC;
    100  await waitForAnimationFrames(2);
    101 }, 'onfinish event is not fired when the playbackRate is zero');
    102 
    103 promise_test(async t => {
    104  const div = createDiv(t);
    105  const animation = div.animate({}, 100 * MS_PER_SEC);
    106 
    107  animation.onfinish = event => {
    108    assert_unreached('onfinish event should not be fired');
    109  };
    110 
    111  await animation.ready;
    112  animation.currentTime = 100 * MS_PER_SEC;
    113  animation.currentTime = 100 * MS_PER_SEC / 2;
    114  await waitForAnimationFrames(2);
    115 }, 'onfinish event is not fired when the animation falls out ' +
    116   'finished state immediately');
    117 
    118 promise_test(async t => {
    119  const div = createDiv(t);
    120  const animation = div.animate({ opacity: [1, 0]}, 100 * MS_PER_SEC);
    121  const restart_after_finish_promise =
    122      new Promise(async (resolve) => {
    123    let results = [];
    124    animation.onfinish = () => {
    125      animation.play();
    126      animation.ready.then(() => {
    127        results.push(animation.ready);
    128        resolve(results);
    129      });
    130    };
    131    await animation.ready;
    132    results.push(animation.ready);
    133    animation.finish();
    134  });
    135  const results = await restart_after_finish_promise;
    136  assert_not_equals(results[0], results[1],
    137                    'Play created a new ready promise');
    138 }, 'Animation can be restarted from the onfinish event');
    139 </script>
    140 </body>