third_party/WebKit/LayoutTests/web-animations-api/w3c/resources/keyframes-test.js

   1 (function(){
   2 'use strict'
   3
   4 function createElement() {
   5   var element = document.createElement('div');
   6   document.documentElement.appendChild(element);
   7   return element;
   8 }
   9
  10 function heldTiming(progress) {
  11   return {
  12     duration: 1000,
  13     fill: 'forwards',
  14     delay: -progress * 1000,
  15   };
  16 }
  17
  18 function assertAnimationStyles(keyframes, expectations, description) {
  19   for (var progress in expectations) {
  20     var element = createElement();
  21     element.animate(keyframes, heldTiming(progress));
  22     var computedStyle = getComputedStyle(element);
  23     for (var property in expectations[progress]) {
  24       assert_equals(computedStyle[property], expectations[progress][property],
  25           property + ' at ' + (progress * 100) + '%' + (description ? ' ' + description : ''));
  26     }
  27   }
  28 }
  29
  30 window.assertAnimationStyles = assertAnimationStyles;
  31 })();