44 lines
1.2 KiB
HTML
44 lines
1.2 KiB
HTML
<!doctype html>
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<title>Container Queries - Animated container with inner transition</title>
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<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#animated-containers">
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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="support/cq-testcommon.js"></script>
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<style>
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@keyframes outer {
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from { width: 100px; }
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to { width: 300px; }
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}
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#container {
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container-type: inline-size;
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animation: outer 1s linear paused;
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}
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#target {
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background-color: rgb(100, 100, 100);
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}
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@container (min-width: 200px) {
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#target {
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transition: background-color 100s steps(2, start);
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background-color: rgb(200, 200, 200);
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}
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}
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</style>
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<div id=container>
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<div id=target>
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Test
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</div>
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</div>
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<script>
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setup(() => assert_implements_size_container_queries());
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test(() => {
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assert_equals(getComputedStyle(target).backgroundColor, 'rgb(100, 100, 100)');
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assert_equals(container.getAnimations().length, 1);
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let animation = container.getAnimations()[0];
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animation.currentTime = 600;
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assert_equals(getComputedStyle(target).backgroundColor, 'rgb(150, 150, 150)');
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}, 'Animated container size triggers transition');
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</script>
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