third_party/WebKit/LayoutTests/web-animations-api/timeline-time.html

   1 <!DOCTYPE html>
   2 <script src="../resources/testharness.js"></script>
   3 <script src="../resources/testharnessreport.js"></script>
   4
   5 <script>
   6 test(function() {
   7   var startTime = document.timeline.currentTime;
   8   assert_greater_than_equal(startTime, 0);
   9   var start = performance.now();
  10   while (performance.now() < start + 250)
  11     /* wait */;
  12   assert_equals(document.timeline.currentTime, startTime);
  13 }, 'document.timeline.currentTime should not change within a script block.');
  14
  15 (function() {
  16   var timeoutTest = async_test('document.timeline.currentTime time should change after a script timeout');
  17   var startTime = document.timeline.currentTime;
  18
  19   setTimeout(function() {
  20     timeoutTest.step(function() {
  21       assert_greater_than(document.timeline.currentTime, startTime);
  22     });
  23     timeoutTest.done();
  24   }, 100);
  25 })();
  26
  27 (function() {
  28   var rafTest = async_test('document.timeline.currentTime time should be the same for all RAF callbacks in a frame');
  29   var startTime = document.timeline.currentTime;
  30   var firstRafTime;
  31
  32   requestAnimationFrame(function() {
  33     rafTest.step(function() {
  34       assert_greater_than_equal(document.timeline.currentTime, startTime);
  35       firstRafTime = document.timeline.currentTime;
  36     });
  37   });
  38
  39   requestAnimationFrame(function() {
  40     rafTest.step(function() {
  41       assert_equals(document.timeline.currentTime, firstRafTime);
  42     });
  43     rafTest.done();
  44   });
  45 })();
  46
  47 (function() {
  48   var timeoutTest = async_test('document.timeline.currentTime time should use the same reference as performance.now()');
  49
  50   setTimeout(function() {
  51     timeoutTest.step(function() {
  52       assert_less_than(Math.abs(document.timeline.currentTime - performance.now()), 1000);
  53     });
  54     timeoutTest.done();
  55   }, 0);
  56 })();
  57 </script>