74 lines
2.1 KiB
HTML
74 lines
2.1 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,minimum-scale=1">
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<link rel="stylesheet" type="text/css" href="/fonts/ahem.css"/>
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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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<script src="scroll_support.js"></script>
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<style>
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body {
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margin: 0;
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padding: 0;
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height: 200vh;
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}
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.spacer {
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width: 100%;
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height: 25px;
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padding: 0;
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margin: 0;
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font: 25px/1 Ahem;
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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="firstRootSpacer" class="spacer" style="background: green">X</div>
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<div id="secondRootSpacer" class="spacer" style="background: blue"></div>
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</body>
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<script>
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promise_test(async (t) => {
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// Wheel event transactions target elements, not nodes. A wheel event
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// transaction that begins over a text node should have an event target for
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// the containing element.
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await waitForCompositorReady();
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await waitForCompositorCommit();
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let wheelEventTargets = [];
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window.addEventListener("wheel", (e) => {
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wheelEventTargets.push(e.target);
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}, {passive: true});
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await waitForCompositorCommit();
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await new test_driver.Actions()
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.addWheel("wheel1")
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.scroll(12, 12, 0, 30, {origin: "viewport"})
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.pause(1)
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.scroll(12, 12, 0, 30, {origin: "viewport"})
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.send();
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// TODO(dlrobertson): Use the scrollend event here to wait for the
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// wheel scroll to finish instead of waitForAnimationEnd().
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await waitForAnimationEnd(() => { return document.scrollingElement.scrollTop; });
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await waitForCompositorCommit();
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// All of the wheel events should have the first div as their target.
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wheelEventTargets.forEach((wheelEventTarget, i) => {
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assert_equals(wheelEventTarget, firstRootSpacer,
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"Wheel event at index `" + i + "` does not have the expected target");
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});
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assert_greater_than(document.scrollingElement.scrollTop, 0, "The document has scrolled");
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}, "Wheel event transactions target elements");
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</script>
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</html>
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