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47 lines
1.4 KiB
HTML
47 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<title>View transitions: transition skipped if no containment on new element</title>
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<link rel="help" href="https://www.w3.org/TR/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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view-transition-name: target;
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contain: paint;
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}
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</style>
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<div id=first></div>
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<script>
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promise_test(async t => {
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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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let transition = document.startViewTransition(() => {
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first.style.contain = "none";
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});
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let readyRejected = false;
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transition.ready.then(reject, () => { readyRejected = true; });
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let updateCallbackDone = false;
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transition.updateCallbackDone.then(() => { updateCallbackDone = true; }, reject);
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transition.finished.then(() => {
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assert_true(readyRejected, "ready not rejected");
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assert_true(updateCallbackDone, "dom not updated");
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if (window.getComputedStyle(first).contain == "none")
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resolve();
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else
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reject("dom update callback did not run");
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}, reject);
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});
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}, "uncontained new element should skip the transition");
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</script>
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