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84 lines
1.8 KiB
HTML
84 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<title>Missing properties in last keyframe</title>
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<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
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<link rel="help" href="https://www.w3.org/TR/web-animations-1/#the-effect-value-of-a-keyframe-animation-effect">
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<meta name="assert"
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content="CSS animation correctly interpolates from neutral keyframe">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/web-animations/testcommon.js"></script>
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<style type="text/css" media="screen">
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body {
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margin: 0;
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}
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.box {
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position: relative;
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width: 100px;
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height: 100px;
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left: 0;
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background-color: green;
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}
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#box1 {
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left: 200px;
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animation: move-left 10s linear;
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}
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#box2 {
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transform: translateX(200px);
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animation: move-transform 10s linear;
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}
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@keyframes move-left {
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0% {
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left: 0;
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opacity: 0;
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}
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50% {
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left: 0;
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opacity: 1;
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}
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75% {
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opacity: 1;
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}
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100% {
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opacity: 1;
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}
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}
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@keyframes move-transform {
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0% {
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transform: translateX(0);
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opacity: 0;
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}
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50% {
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transform: translateX(0);
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opacity: 1;
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}
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75% {
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opacity: 1;
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}
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100% {
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opacity: 1;
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}
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}
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</style>
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<body>
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<div class="box" id="box1"></div>
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<div class="box" id="box2"></div>
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</body>
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<script>
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promise_test(async t => {
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document.getAnimations().forEach(anim => {
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anim.currentTime = 7500;
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});
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assert_equals(getComputedStyle(box1).left, "100px");
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assert_matrix_equals(
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getComputedStyle(box2).transform,
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'matrix(1, 0, 0, 1, 100, 0)');
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}, 'Missing property values in the last keyframe are correctly ' +
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'interpolated from a neutral keyframe value');
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</script>
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</html>
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