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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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gfx/layers/apz/test/mochitest/test_bug1253683.html Normal file
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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1253683
-->
<head>
<title>Test to ensure non-scrollable frames don't get layerized</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
<script type="application/javascript" src="apz_test_utils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="container" style="height: 500px; overflow:scroll">
<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>
<div style="height: 5000px">spacer to make the 'container' div the root scrollable element</div>
</div>
<pre id="test">
<script type="application/javascript;version=1.7">
function* test(testDriver) {
var container = document.getElementById('container');
var no_layer = document.getElementById('no_layer');
// Check initial state
is(container.scrollTop, 0, "Initial scrollY should be 0");
ok(!isLayerized('no_layer'), "initially 'no_layer' should not be layerized");
// Scrolling over outer1 should layerize outer1, but not inner1.
yield moveMouseAndScrollWheelOver(no_layer, 10, 10, testDriver, true);
yield waitForAllPaints(function() {
flushApzRepaints(testDriver);
});
ok(container.scrollTop > 0, "We should have scrolled the body");
ok(!isLayerized('no_layer'), "no_layer should still not be layerized");
}
if (isApzEnabled()) {
SimpleTest.waitForExplicitFinish();
// Turn off displayport expiry so that we don't miss failures where the
// displayport is set and expired before we check for layerization.
// Also enable APZ test logging, since we use that data to determine whether
// a scroll frame was layerized.
pushPrefs([["apz.displayport_expiry_ms", 0],
["apz.test.logging_enabled", true]])
.then(waitUntilApzStable)
.then(runContinuation(test))
.then(SimpleTest.finish);
}
</script>
</pre>
</body>
</html>