blob: 4a4d7e34cab63d9405f2606e439f1e5b824bbb53 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
<!DOCTYPE html>
<html lang="en"><head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<meta charset="utf-8">
<title>Test that we do not checkerboard after resetting the pinch-zoom scale</title>
<script type="application/javascript" src="apz_test_utils.js"></script>
<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<style>
.scrolled {
width: 10000px;
height: 10000px;
background: linear-gradient(lime, cyan);
}
</style>
</head><body>
<div class="scrolled"></div>
</body>
<script type="application/javascript">
async function test() {
var utils = SpecialPowers.getDOMWindowUtils(window);
var scrollerId = utils.getViewId(document.documentElement);
// Zoom in to the maximum level
utils.setResolutionAndScaleTo(10.0);
await promiseApzFlushedRepaints();
// Scroll the layout viewport to around middle of the page
window.scrollTo(window.scrollMaxX / 2, window.scrollMaxY / 2);
await promiseApzFlushedRepaints();
// Scroll the visual viewport to the bottom of the layout viewport.
// This creates an offset between the visual and layout viewport
// offsets which is needed to trigger the bug.
utils.scrollToVisual(window.scrollX,
window.scrollY + (0.9 * document.documentElement.clientHeight),
utils.UPDATE_TYPE_MAIN_THREAD,
utils.SCROLL_MODE_INSTANT);
await promiseApzFlushedRepaints();
// Reset the zoom level to 1.0x
utils.setResolutionAndScaleTo(1.0);
await promiseApzFlushedRepaints();
// Assert that we're not checkerboarded
assertNotCheckerboarded(utils, scrollerId, "After resetting zoom level");
}
waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);
</script>
</html>
|
