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Bug 1394510 - Add a basic pinch-zoom test. r=botond

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MozReview-Commit-ID: 5uSpYpuXFlp

--HG--
extra : rebase_source : b27c7e2546afaa4bd59137f7591e25c847db56ea
This commit is contained in:
Kartikaya Gupta 2017-08-29 20:44:25 -04:00
parent e86487121e
commit 92a5e70948
3 changed files with 64 additions and 0 deletions
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62
gfx/layers/apz/test/mochitest/helper_basic_zoom.html Normal file
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@ -0,0 +1,62 @@
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Sanity check for zooming</title>
<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
<script type="application/javascript" src="apz_test_utils.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
<script type="application/javascript">
function getResolution() {
let resolution = { value: -1 }; // bogus value in case DWU fails us
SpecialPowers.getDOMWindowUtils(window).getResolution(resolution);
return resolution.value;
}
function* test(testDriver) {
var initial_resolution = getResolution();
SimpleTest.ok(initial_resolution > 0,
'The initial_resolution is ' + initial_resolution + ', which is some sane value');
// This listener will trigger the test to continue once APZ is done with
// processing the scroll.
SpecialPowers.Services.obs.addObserver(testDriver, "APZ:TransformEnd");
var zoom_in = [
[ { x: 125, y: 250 }, { x: 175, y: 350 } ],
[ { x: 120, y: 220 }, { x: 180, y: 380 } ],
[ { x: 115, y: 190 }, { x: 185, y: 410 } ],
[ { x: 110, y: 160 }, { x: 190, y: 440 } ],
[ { x: 105, y: 130 }, { x: 195, y: 470 } ],
[ { x: 100, y: 100 }, { x: 200, y: 500 } ],
];
var touchIds = [0, 1];
yield* synthesizeNativeTouchSequences(document.body, zoom_in, null, touchIds);
// Wait for the APZ:TransformEnd to be fired after touch events are processed.
yield true;
// We get here once the APZ:TransformEnd has fired, so we don't need that
// observer any more.
SpecialPowers.Services.obs.removeObserver(testDriver, "APZ:TransformEnd", false);
// Flush state and get the resolution we're at now
yield flushApzRepaints(testDriver);
let final_resolution = getResolution();
SimpleTest.ok(final_resolution > initial_resolution, 'The final resolution (' + final_resolution + ') is greater after zooming in');
}
waitUntilApzStable()
.then(runContinuation(test))
.then(subtestDone);
</script>
</head>
<body>
Here is some text to stare at as the test runs. It serves no functional
purpose, but gives you an idea of the zoom level. It's harder to tell what
the zoom level is when the page is just solid white.
</body>
</html>

1
gfx/layers/apz/test/mochitest/mochitest.ini
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@ -3,6 +3,7 @@
apz_test_native_event_utils.js
apz_test_utils.js
helper_basic_pan.html
helper_basic_zoom.html
helper_bug982141.html
helper_bug1151663.html
helper_bug1162771.html

1
gfx/layers/apz/test/mochitest/test_group_zoom.html
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@ -27,6 +27,7 @@ var prefs = [
var subtests = [
{'file': 'helper_bug1280013.html', 'prefs': prefs},
{'file': 'helper_basic_zoom.html', 'prefs': prefs},
];
if (isApzEnabled()) {