58 lines
1.6 KiB
HTML
58 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<title>CSS Transitions Test: Name defining @-rules in @starting-style</title>
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<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#defining-before-change-style-the-starting-style-rule">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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@starting-style {
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@keyframes anim {
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from { color: green; }
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to { color: red; }
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}
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@font-face {
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font-family: web-font;
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src: url('/fonts/Ahem.ttf');
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}
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@layer first;
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}
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@layer second {
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#target.not_start {
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background-color: green;
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}
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}
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@layer first {
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#target.not_start {
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background-color: red;
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}
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}
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#target.not_start {
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animation-name: anim;
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animation-duration: 60s;
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animation-timing-function: step-end;
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font-family: web-font;
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font-size: 20px;
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}
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#target {
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/* For measuring text width */
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display: inline-block;
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}
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</style>
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<span id="target">XXXX</span>
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<script>
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test(() => {
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// Force style update to ensure before-change style is defined.
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target.offsetTop;
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target.className = "not_start";
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let target_style = getComputedStyle(target);
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assert_equals(target_style.color, "rgb(0, 128, 0)", "@keyframes applied");
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assert_equals(target_style.backgroundColor, "rgb(0, 128, 0)", "@layer applied");
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}, "@keyframes and @layer in @starting-style apply");
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promise_test(async () => {
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await document.fonts.load("20px/1 web-font");
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assert_equals(getComputedStyle(target).width, "80px");
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}, "Load @font-face from @starting-style rule");
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</script>
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