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+<!doctype html>
+<meta charset=utf-8>
+<script src="../testcommon.js"></script>
+<style>
+@keyframes anim-empty { }
+
+@keyframes anim-empty-frames {
+ from { }
+ to { }
+}
+
+@keyframes anim-only-timing {
+ from { animation-timing-function: linear; }
+ to { }
+}
+
+@keyframes anim-only-non-animatable {
+ from { animation-duration: 3s; }
+ to { animation-duration: 5s; }
+}
+
+@keyframes anim-simple {
+ from { color: black; }
+ to { color: white; }
+}
+
+@keyframes anim-simple-three {
+ from { color: black; }
+ 50% { color: blue; }
+ to { color: white; }
+}
+
+@keyframes anim-simple-timing {
+ from { color: black; animation-timing-function: linear; }
+ 50% { color: blue; animation-timing-function: ease-in-out; }
+ to { color: white; animation-timing-function: step-end; }
+}
+
+@keyframes anim-simple-timing-some {
+ from { color: black; animation-timing-function: linear; }
+ 50% { color: blue; }
+ to { color: white; }
+}
+
+@keyframes anim-simple-shorthand {
+ from { margin: 8px; }
+ to { margin: 16px; }
+}
+
+@keyframes anim-omit-to {
+ from { color: blue; }
+}
+
+@keyframes anim-omit-from {
+ to { color: blue; }
+}
+
+@keyframes anim-omit-from-to {
+ 50% { color: blue; }
+}
+
+@keyframes anim-partially-omit-to {
+ from { margin-top: 50px;
+ margin-bottom: 100px; }
+ to { margin-top: 150px !important; /* ignored */
+ margin-bottom: 200px; }
+}
+
+@keyframes anim-different-props {
+ from { color: black; margin-top: 8px; }
+ 25% { color: blue; }
+ 75% { margin-top: 12px; }
+ to { color: white; margin-top: 16px }
+}
+
+@keyframes anim-different-props-and-easing {
+ from { color: black; margin-top: 8px; animation-timing-function: linear; }
+ 25% { color: blue; animation-timing-function: step-end; }
+ 75% { margin-top: 12px; animation-timing-function: ease-in; }
+ to { color: white; margin-top: 16px }
+}
+
+@keyframes anim-merge-offset {
+ from { color: black; }
+ to { color: white; }
+ from { margin-top: 8px; }
+ to { margin-top: 16px; }
+}
+
+@keyframes anim-merge-offset-and-easing {
+ from { color: black; animation-timing-function: step-end; }
+ to { color: white; }
+ from { margin-top: 8px; animation-timing-function: linear; }
+ to { margin-top: 16px; }
+ from { font-size: 16px; animation-timing-function: step-end; }
+ to { font-size: 32px; }
+ from { padding-left: 2px; animation-timing-function: linear; }
+ to { padding-left: 4px; }
+}
+
+@keyframes anim-no-merge-equiv-easing {
+ from { margin-top: 0px; animation-timing-function: steps(1, end); }
+ from { margin-right: 0px; animation-timing-function: step-end; }
+ from { margin-bottom: 0px; animation-timing-function: steps(1); }
+ 50% { margin-top: 10px; animation-timing-function: step-end; }
+ 50% { margin-right: 10px; animation-timing-function: step-end; }
+ 50% { margin-bottom: 10px; animation-timing-function: step-end; }
+ to { margin-top: 20px; margin-right: 20px; margin-bottom: 20px; }
+}
+
+@keyframes anim-overriding {
+ from { padding-top: 50px }
+ 50%, from { padding-top: 30px } /* wins: 0% */
+ 75%, 85%, 50% { padding-top: 20px } /* wins: 75%, 50% */
+ 100%, 85% { padding-top: 70px } /* wins: 100% */
+ 85.1% { padding-top: 60px } /* wins: 85.1% */
+ 85% { padding-top: 30px } /* wins: 85% */
+}
+
+@keyframes anim-filter {
+ to { filter: blur(5px) sepia(60%) saturate(30%); }
+}
+
+@keyframes anim-text-shadow {
+ to { text-shadow: none; }
+}
+
+@keyframes anim-background-size {
+ to { background-size: 50%, 6px, contain }
+}
+
+:root {
+ --var-100px: 100px;
+}
+@keyframes anim-variables {
+ to { transform: translate(var(--var-100px), 0) }
+}
+@keyframes anim-variables-shorthand {
+ to { margin: var(--var-100px) }
+}
+</style>
+<body>
+<script>
+"use strict";
+
+function getKeyframes(e) {
+ return e.getAnimations()[0].effect.getKeyframes();
+}
+
+function assert_frames_equal(a, b, name) {
+ assert_equals(Object.keys(a).sort().toString(),
+ Object.keys(b).sort().toString(),
+ "properties on " + name);
+ for (var p in a) {
+ if (p === 'offset' || p === 'computedOffset') {
+ assert_approx_equals(a[p], b[p], 0.00001,
+ "value for '" + p + "' on " + name);
+ } else {
+ assert_equals(a[p], b[p], "value for '" + p + "' on " + name);
+ }
+ }
+}
+
+// animation-timing-function values to test with, where the value
+// is exactly the same as its serialization, sorted by the order
+// getKeyframes() will group frames with the same easing function
+// together (by nsTimingFunction::Compare).
+const kTimingFunctionValues = [
+ "ease",
+ "linear",
+ "ease-in",
+ "ease-out",
+ "ease-in-out",
+ "steps(1, start)",
+ "steps(2, start)",
+ "steps(1)",
+ "steps(2)",
+ "cubic-bezier(0, 0, 1, 1)",
+ "cubic-bezier(0, 0.25, 0.75, 1)"
+];
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-empty 100s';
+ assert_equals(getKeyframes(div).length, 0,
+ "number of frames with empty @keyframes");
+
+ div.style.animation = 'anim-empty-frames 100s';
+ assert_equals(getKeyframes(div).length, 0,
+ "number of frames when @keyframes has empty keyframes");
+
+ div.style.animation = 'anim-only-timing 100s';
+ assert_equals(getKeyframes(div).length, 0,
+ "number of frames when @keyframes only has keyframes with " +
+ "animation-timing-function");
+
+ div.style.animation = 'anim-only-non-animatable 100s';
+ assert_equals(getKeyframes(div).length, 0,
+ "number of frames when @keyframes only has frames with " +
+ "non-animatable properties");
+}, 'KeyframeEffectReadOnly.getKeyframes() returns no frames for various kinds'
+ + ' of empty enimations');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-simple 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 2, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ color: "rgb(0, 0, 0)" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ color: "rgb(255, 255, 255)" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for a simple'
+ + 'animation');
+
+test(function(t) {
+ kTimingFunctionValues.forEach(function(easing) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-simple-three 100s ' + easing;
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 3, "number of frames");
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_equals(frames[i].easing, easing,
+ "value for 'easing' on ComputedKeyframe #" + i);
+ }
+ });
+}, 'KeyframeEffectReadOnly.getKeyframes() returns frames with expected easing'
+ + ' values, when the easing comes from animation-timing-function on the'
+ + ' element');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-simple-timing 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 3, "number of frames");
+ assert_equals(frames[0].easing, "linear",
+ "value of 'easing' on ComputedKeyframe #0");
+ assert_equals(frames[1].easing, "ease-in-out",
+ "value of 'easing' on ComputedKeyframe #1");
+ assert_equals(frames[2].easing, "steps(1)",
+ "value of 'easing' on ComputedKeyframe #2");
+}, 'KeyframeEffectReadOnly.getKeyframes() returns frames with expected easing'
+ + ' values, when the easing is specified on each keyframe');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-simple-timing-some 100s step-start';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 3, "number of frames");
+ assert_equals(frames[0].easing, "linear",
+ "value of 'easing' on ComputedKeyframe #0");
+ assert_equals(frames[1].easing, "steps(1, start)",
+ "value of 'easing' on ComputedKeyframe #1");
+ assert_equals(frames[2].easing, "steps(1, start)",
+ "value of 'easing' on ComputedKeyframe #2");
+}, 'KeyframeEffectReadOnly.getKeyframes() returns frames with expected easing'
+ + ' values, when the easing is specified on some keyframes');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-simple-shorthand 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 2, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ marginBottom: "8px", marginLeft: "8px",
+ marginRight: "8px", marginTop: "8px" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ marginBottom: "16px", marginLeft: "16px",
+ marginRight: "16px", marginTop: "16px" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for a simple'
+ + ' animation that specifies a single shorthand property');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-omit-to 100s';
+ div.style.color = 'white';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 2, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ color: "rgb(0, 0, 255)" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ color: "rgb(255, 255, 255)" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for an ' +
+ 'animation with a 0% keyframe and no 100% keyframe');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-omit-from 100s';
+ div.style.color = 'white';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 2, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ color: "rgb(255, 255, 255)" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ color: "rgb(0, 0, 255)" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for an ' +
+ 'animation with a 100% keyframe and no 0% keyframe');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-omit-from-to 100s';
+ div.style.color = 'white';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 3, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ color: "rgb(255, 255, 255)" },
+ { offset: 0.5, computedOffset: 0.5, easing: "ease",
+ color: "rgb(0, 0, 255)" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ color: "rgb(255, 255, 255)" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for an ' +
+ 'animation with no 0% or 100% keyframe but with a 50% keyframe');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-partially-omit-to 100s';
+ div.style.marginTop = '250px';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 2, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ marginTop: '50px', marginBottom: '100px' },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ marginTop: '250px', marginBottom: '200px' },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for an ' +
+ 'animation with a partially complete 100% keyframe (because the ' +
+ '!important rule is ignored)');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-different-props 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 4, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ color: "rgb(0, 0, 0)", marginTop: "8px" },
+ { offset: 0.25, computedOffset: 0.25, easing: "ease",
+ color: "rgb(0, 0, 255)" },
+ { offset: 0.75, computedOffset: 0.75, easing: "ease",
+ marginTop: "12px" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ color: "rgb(255, 255, 255)", marginTop: "16px" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for an ' +
+ 'animation with different properties on different keyframes, all ' +
+ 'with the same easing function');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-different-props-and-easing 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 4, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "linear",
+ color: "rgb(0, 0, 0)", marginTop: "8px" },
+ { offset: 0.25, computedOffset: 0.25, easing: "steps(1)",
+ color: "rgb(0, 0, 255)" },
+ { offset: 0.75, computedOffset: 0.75, easing: "ease-in",
+ marginTop: "12px" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ color: "rgb(255, 255, 255)", marginTop: "16px" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for an ' +
+ 'animation with different properties on different keyframes, with ' +
+ 'a different easing function on each');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-merge-offset 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 2, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ color: "rgb(0, 0, 0)", marginTop: "8px" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ color: "rgb(255, 255, 255)", marginTop: "16px" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for an ' +
+ 'animation with multiple keyframes for the same time, and all with ' +
+ 'the same easing function');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-merge-offset-and-easing 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 3, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "steps(1)",
+ color: "rgb(0, 0, 0)", fontSize: "16px" },
+ { offset: 0, computedOffset: 0, easing: "linear",
+ marginTop: "8px", paddingLeft: "2px" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ color: "rgb(255, 255, 255)", fontSize: "32px", marginTop: "16px",
+ paddingLeft: "4px" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for an ' +
+ 'animation with multiple keyframes for the same time and with ' +
+ 'different easing functions');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-no-merge-equiv-easing 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 3, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "steps(1)",
+ marginTop: "0px", marginRight: "0px", marginBottom: "0px" },
+ { offset: 0.5, computedOffset: 0.5, easing: "steps(1)",
+ marginTop: "10px", marginRight: "10px", marginBottom: "10px" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ marginTop: "20px", marginRight: "20px", marginBottom: "20px" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for an ' +
+ 'animation with multiple keyframes for the same time and with ' +
+ 'different but equivalent easing functions');
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-overriding 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 6, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ paddingTop: "30px" },
+ { offset: 0.5, computedOffset: 0.5, easing: "ease",
+ paddingTop: "20px" },
+ { offset: 0.75, computedOffset: 0.75, easing: "ease",
+ paddingTop: "20px" },
+ { offset: 0.85, computedOffset: 0.85, easing: "ease",
+ paddingTop: "30px" },
+ { offset: 0.851, computedOffset: 0.851, easing: "ease",
+ paddingTop: "60px" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ paddingTop: "70px" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected frames for ' +
+ 'overlapping keyframes');
+
+// Gecko-specific test case: We are specifically concerned here that the
+// computed value for filter, "none", is correctly represented.
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-filter 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 2, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ filter: "none" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ filter: "blur(5px) sepia(60%) saturate(30%)" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected values for ' +
+ 'animations with filter properties and missing keyframes');
+
+// Gecko-specific test case: We are specifically concerned here that the
+// computed value for text-shadow and a "none" specified on a keyframe
+// are correctly represented.
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.textShadow = '1px 1px 2px black, 0 0 16px blue, 0 0 3.2px blue';
+ div.style.animation = 'anim-text-shadow 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 2, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ textShadow: "1px 1px 2px 0px rgb(0, 0, 0),"
+ + " 0px 0px 16px 0px rgb(0, 0, 255),"
+ + " 0px 0px 3.2px 0px rgb(0, 0, 255)" },
+ { offset: 1, computedOffset: 1, easing: "ease", textShadow: "none" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected values for ' +
+ 'animations with text-shadow properties and missing keyframes');
+
+// Gecko-specific test case: We are specifically concerned here that the
+// initial value for background-size and the specified list are correctly
+// represented.
+
+test(function(t) {
+ var div = addDiv(t);
+
+ div.style.animation = 'anim-background-size 100s';
+ var frames = getKeyframes(div);
+
+ assert_equals(frames.length, 2, "number of frames");
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ backgroundSize: "auto auto" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ backgroundSize: "50% auto, 6px auto, contain" },
+ ];
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+
+ // Test inheriting a background-size value
+
+ expected[0].backgroundSize = div.style.backgroundSize =
+ "30px auto, 40% auto, auto auto";
+ frames = getKeyframes(div);
+
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i
+ + " after updating current style");
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected values for ' +
+ 'animations with background-size properties and missing keyframes');
+
+test(function(t) {
+ var div = addDiv(t);
+ div.style.animation = 'anim-variables 100s';
+
+ var frames = getKeyframes(div);
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ transform: "none" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ transform: "translate(100px, 0px)" },
+ ];
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected values for ' +
+ 'animations with CSS variables as keyframe values');
+
+test(function(t) {
+ var div = addDiv(t);
+ div.style.animation = 'anim-variables-shorthand 100s';
+
+ var frames = getKeyframes(div);
+
+ var expected = [
+ { offset: 0, computedOffset: 0, easing: "ease",
+ marginBottom: "0px",
+ marginLeft: "0px",
+ marginRight: "0px",
+ marginTop: "0px" },
+ { offset: 1, computedOffset: 1, easing: "ease",
+ marginBottom: "100px",
+ marginLeft: "100px",
+ marginRight: "100px",
+ marginTop: "100px" },
+ ];
+ for (var i = 0; i < frames.length; i++) {
+ assert_frames_equal(frames[i], expected[i], "ComputedKeyframe #" + i);
+ }
+}, 'KeyframeEffectReadOnly.getKeyframes() returns expected values for ' +
+ 'animations with CSS variables as keyframe values in a shorthand property');
+done();
+</script>
+</body>