71 lines
1.8 KiB
HTML
71 lines
1.8 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<script src="apz_test_utils.js"></script>
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<script src="apz_test_native_event_utils.js"></script>
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<script src="/tests/SimpleTest/paint_listener.js"></script>
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<style>
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html {
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scroll-snap-type: x mandatory;
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overflow: scroll;
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scroll-behavior: smooth;
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}
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/*
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* Layout three child divs horizontally.
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* Each div has a horizontal snap point, but
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* doesn't have any vertical valid snap point.
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*/
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.container {
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flex-direction: row;
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display: flex;
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width: 100vw;
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height: 30vh;
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}
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.container div {
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background-color: grey;
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width: 30vw;
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height: 100%;
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margin: 10px;
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scroll-snap-align: none center;
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scroll-snap-stop: always;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div></div>
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<div></div>
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<div></div>
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</div>
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<div style="height: 200vh"></div>
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</body>
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<script type="application/javascript">
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async function test() {
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const container = document.querySelector(".container");
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const scrollendPromise = promiseOneEvent(window, "scrollend");
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// Try to scroll down by a wheel event.
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synthesizeNativeWheel(container, 50, 50, 0, -50);
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// Wait for the end of the smooth scrolling triggered by above wheel event.
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await scrollendPromise;
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ok(window.scrollY, "`scroll-snap-type: x mandatory` doesn't trap vertical scrolling");
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}
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if (getPlatform() == "android") {
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ok(true, "Skipping test because native wheel events are not supported on Android");
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subtestDone();
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} else if (getPlatform() == "linux") {
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ok(true, "Skipping test on Linux because of bug 1889039");
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subtestDone();
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} else {
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waitUntilApzStable()
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.then(test)
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.then(subtestDone, subtestFailed);
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}
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</script>
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</html>
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