59 lines
2.2 KiB
HTML
59 lines
2.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1253683
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-->
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<head>
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<title>Test to ensure non-scrollable frames don't get layerized</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script src="/tests/SimpleTest/EventUtils.js"></script>
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<script src="/tests/SimpleTest/paint_listener.js"></script>
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<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
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<script type="application/javascript" src="apz_test_utils.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<p id="display"></p>
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<div id="container" style="height: 500px; overflow:scroll">
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<pre id="no_layer" style="background-color: #f5f5f5; margin: 15px; padding: 15px; margin-top: 100px; border: 1px solid #eee; overflow:scroll">sample code here</pre>
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<div style="height: 5000px">spacer to make the 'container' div the root scrollable element</div>
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</div>
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<pre id="test">
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<script type="application/javascript">
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async function test() {
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var container = document.getElementById("container");
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var no_layer = document.getElementById("no_layer");
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// Check initial state
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is(container.scrollTop, 0, "Initial scrollY should be 0");
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ok(!isLayerized("no_layer"), "initially 'no_layer' should not be layerized");
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// Scrolling over outer1 should layerize outer1, but not inner1.
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await promiseMoveMouseAndScrollWheelOver(no_layer, 10, 10, true);
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await promiseAllPaintsDone();
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await promiseOnlyApzControllerFlushed();
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ok(container.scrollTop > 0, "We should have scrolled the body");
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ok(!isLayerized("no_layer"), "no_layer should still not be layerized");
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}
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if (isApzEnabled()) {
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SimpleTest.waitForExplicitFinish();
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// Turn off displayport expiry so that we don't miss failures where the
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// displayport is set and expired before we check for layerization.
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// Also enable APZ test logging, since we use that data to determine whether
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// a scroll frame was layerized.
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pushPrefs([["apz.displayport_expiry_ms", 0],
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["apz.test.logging_enabled", true]])
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.then(waitUntilApzStable)
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.then(forceLayerTreeToCompositor)
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.then(test)
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.then(SimpleTest.finish, SimpleTest.finishWithFailure);
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}
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</script>
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</pre>
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</body>
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</html>
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