48 lines
1.2 KiB
HTML
48 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<meta name="timeout" content="long">
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<html>
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<title>View transitions: rAF is not issued while render-blocked</title>
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<link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/">
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<link rel="author" href="mailto:khushalsagar@chromium.org">
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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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div {
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width: 100px;
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height: 100px;
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background: blue;
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contain: paint;
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view-transition-name: target;
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}
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</style>
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<div id=target></div>
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<script>
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let renderBlocked = true;
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promise_test(() => {
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assert_implements(document.startViewTransition, "Missing document.startViewTransition");
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return new Promise(async (resolve, reject) => {
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requestAnimationFrame(() => {
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document.startViewTransition(() => {
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return new Promise(async (inner_resolve) => {
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step_timeout(() => {
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renderBlocked = false;
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inner_resolve();
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}, 1000);
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});
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});
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requestAnimationFrame(() => {
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if (renderBlocked)
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reject();
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else
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resolve();
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});
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});
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});
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}, "rAF is blocked until prepare callback");
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</script>
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