41 lines
1 KiB
HTML
41 lines
1 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<link rel="help" href="https://www.w3.org/TR/cssom-view-1/">
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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="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-actions.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<style>
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body, h1 { margin: 20px; }
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#vp {
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height: 400px;
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width: 600px;
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overflow: scroll;
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left: 10px;
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top: 10px;
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border: 5px solid #8cf;
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}
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</style>
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</head>
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<body>
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<div id="vp">
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<div style="transform-style: preserve-3d">
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<h1 style="height:2000px; transform: translateZ(0)">
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Gazing into the stars
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</h1>
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</div>
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</div>
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<script>
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promise_test(async () => {
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let scroll_promise = new Promise((resolve, reject) => {
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vp.addEventListener("scroll", resolve);
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});
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await new test_driver.Actions().scroll(100, 100, 0, 50).send();
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await scroll_promise;
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assert_true(vp.scrollTop > 0);
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}, "Element is scrollable over preserve-3d descendant");
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</script>
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</body>
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</html>
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