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Unified Diff: LayoutTests/animations/responsive-neutral-keyframes.html

Issue 920653002: Use StringKeyframes to make CSS Animations responsive to style changes. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@string-keyframes
Patch Set: Update layout tests Created 5 years, 10 months ago
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Index: LayoutTests/animations/responsive-neutral-keyframes.html
diff --git a/LayoutTests/animations/responsive-neutral-keyframes.html b/LayoutTests/animations/responsive-neutral-keyframes.html
new file mode 100644
index 0000000000000000000000000000000000000000..1cec5030a3fcecb3e1275fbfcd27051a294622b7
--- /dev/null
+++ b/LayoutTests/animations/responsive-neutral-keyframes.html
@@ -0,0 +1,101 @@
+<!DOCTYPE html>
+<script src="../resources/testharness.js"></script>
+<script src="../resources/testharnessreport.js"></script>
+<style>
+ @keyframes anim-missing-from { to { width: 200px; height: 200px; } }
+ @keyframes anim-missing-to { from { left: 100px; } }
+ @keyframes anim-missing-both { 50% { background-color: rgb(200, 100, 40); } }
+ @keyframes anim-missing-compositor { 100% { opacity: 0.0; } }
+ @keyframes anim-missing-ems { from { top: 1em; } }
+
+ .target-before {
+ width: 100px;
+ height: 100px;
+ background-color: rgb(0, 0, 0);
+ left: 20px;
+ top: 1em;
+ font-size: 12px;
+ opacity: 1.0;
+ }
+
+ .target-after {
+ width: 600px;
+ height: 300px;
+ background-color: rgb(120, 160, 200);
+ left: 200px;
+ top: 2em;
+ opacity: 0.5;
+ }
+
+ #target1 { animation: anim-missing-from 4s -1s linear paused; }
+ #target2 { animation: anim-missing-to 4s -1s linear paused; }
+ #target3 { animation: anim-missing-both 4s -1s linear paused; }
+ #target4 { animation: anim-missing-both 0.2s 2 linear paused forwards; }
+ #target5 { animation: anim-missing-compositor 2s -1s linear paused; }
+ #target6 { animation: anim-missing-ems 0.2s 2 linear paused forwards; }
+
+</style>
+<div id="target1" class="target-before"></div>
+<div id="target2" class="target-before"></div>
+<div id="target3" class="target-before"></div>
+<div id="target4" class="target-before"></div>
+<div id="target5" class="target-before"></div>
+<div id="target6" class="target-before"></div>
+<script>
+ var async1 = async_test("Neutral keyframe updates during animation style update");
+ var async2 = async_test("Neutral keyframe specified with ems responds to changes in font size");
+
+ target4.addEventListener('animationiteration', function() {
+ target4.className = 'target-after';
+ });
+
+ target4.addEventListener('animationend', function() {
+ assert_equals(getComputedStyle(target4).backgroundColor, 'rgb(120, 160, 200)');
+ async1.done();
+ });
+
+ target6.addEventListener('animationiteration', function() {
+ target6.style.fontSize = '24px';
+ target6.className = 'target-after';
+ });
+
+ target6.addEventListener('animationend', function() {
+ assert_equals(parseInt(getComputedStyle(target6).top), 48); // 2em at 24px
+ async2.done();
+ });
+
+ test(function() {
+ assert_equals(parseInt(getComputedStyle(target1).width), 125);
+ assert_equals(parseInt(getComputedStyle(target1).height), 125);
+ target1.className = 'target-after';
+ assert_equals(parseInt(getComputedStyle(target1).width), 500);
+ assert_equals(parseInt(getComputedStyle(target1).height), 275);
+ }, "Check that animations missing 'from' keyframes are responsive to underlying style changes");
+
+ test(function() {
+ assert_equals(parseInt(getComputedStyle(target2).left), 80);
+ target2.className = 'target-after';
+ assert_equals(parseInt(getComputedStyle(target2).left), 125);
+ }, "Check that animations missing 'to' keyframes are responsive to underlying style changes");
+
+ test(function() {
+ assert_equals(getComputedStyle(target3).backgroundColor, 'rgb(100, 50, 20)');
+ target3.className = 'target-after';
+ assert_equals(getComputedStyle(target3).backgroundColor, 'rgb(160, 130, 120)');
+ }, "Check that animations missing both 'from' and 'to' keyframes are responsive to underlying style changes");
+
+ test(function() {
+ target4.style.animationPlayState = 'running';
+ }, "Check that running animations with neutral keyframes are responsive to underlying style changes");
+
+ test(function() {
+ assert_approx_equals(parseFloat(getComputedStyle(target5).opacity), 0.5, 0.001);
+ target5.className = 'target-after';
+ assert_approx_equals(parseFloat(getComputedStyle(target5).opacity), 0.25, 0.001);
+ }, "Check that composited animations with neutral keyframes are responsive to underlying style changes");
+
+ test(function() {
+ assert_equals(parseInt(getComputedStyle(target6).top), 12); // 1em at 12px
+ target6.style.animationPlayState = 'running';
+ }, "Check that running animations with neutral keyframes specified using ems are responsive to font size changes");
+</script>
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