2 <script src="../resources/testharness.js"></script>
3 <script src="../resources/testharnessreport.js"></script>
11 background-color: black;
16 <div id='e1' class='anim'></div>
17 <div id='e2' class='anim'></div>
18 <div id='e3' class='anim'></div>
22 var e1 = document.getElementById('e1');
23 var e2 = document.getElementById('e2');
24 var e3 = document.getElementById('e3');
26 var e1Style = getComputedStyle(e1);
27 var e2Style = getComputedStyle(e2);
28 var e3Style = getComputedStyle(e3);
30 var durationValue = 1;
33 var player = e1.animate([
34 {left: '10px', opacity: '1', offset: 0},
35 {left: '100px', opacity: '0', offset: 1}
38 player.currentTime = durationValue / 2;
39 assert_equals(e1Style.left, '55px');
40 assert_equals(e1Style.opacity, '0.5');
41 }, 'Calling animate() should start an animation.');
44 var player = e2.animate([
45 {backgroundColor: 'green', offset: 0},
46 {backgroundColor: 'purple', offset: 1}
49 player.currentTime = durationValue / 2;
50 assert_equals(e2Style.backgroundColor, 'rgb(64, 64, 64)');
51 }, 'Calling animate() should start an animation. CamelCase property names should be parsed.');
54 var player = e1.animate([
55 {left: '10px', offset: '0'},
56 {left: '100px', offset: '1'}
59 player.currentTime = durationValue / 2;
60 assert_equals(e1Style.left, '55px');
61 }, 'Offsets may be specified as strings.');
64 var player = e1.animate([
65 {opacity: '0.5', offset: 0.5},
66 {opacity: '0.9', offset: 1},
67 {opacity: '0', offset: 0}
70 player.currentTime = durationValue / 4;
71 assert_equals(e1Style.opacity, '0.25');
72 }, 'Keyframes with offsets should become sorted by offset.');
75 var player = e1.animate([
76 {opacity: '1', offset: -1},
77 {opacity: '1', offset: NaN},
78 {opacity: '1', offset: 2},
79 {opacity: '0.5', offset: 1},
80 {opacity: '0', offset: 0}
83 player.currentTime = durationValue / 2;
84 assert_equals(e1Style.opacity, '0.25');
85 }, 'Keyframes with offsets outside the range [0.0, 1.0] are ignored.');
90 {opacity: '1', offset: 1},
91 {opacity: '0', offset: 0}
93 assert_throws('InvalidModificationError', function() { e1.animate(keyframes, durationValue); });
94 }, 'Should throw when keyframes are not loosely sorted and any have no offset.');
98 {opacity: '0.5', offset: null},
99 {opacity: '1', offset: 1},
100 {opacity: '0', offset: 0}
102 assert_throws('InvalidModificationError', function() { e1.animate(keyframes, durationValue); });
103 }, 'Should throw when keyframes are not loosely sorted and any have null offset.');
105 var keyframesWithInvalid = [
106 {width: '0px', backgroundColor: 'octarine', offset: 0},
107 {width: '1000px', foo: 'bar', offset: 1}];
110 var player = e3.animate(keyframesWithInvalid, {duration: durationValue, fill: 'forwards'});
112 player.currentTime = durationValue;
113 assert_equals(e3Style.width, '1000px');
114 assert_equals(e3Style.backgroundColor, 'rgb(0, 0, 0)');
115 assert_equals(e3Style.foo, undefined);
116 }, 'Calling animate() with a pre-constructed keyframes list should start an animation. Invalid style declarations should be ignored.');