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Bug 1188955 - Add a basic double-tap-to-zoom mochitest. r=botond

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MozReview-Commit-ID: KVqmpBG33JC

--HG--
extra : rebase_source : db2a378f5b4ddc130c1d3f8d8a9e3591c2e2f2e3
This commit is contained in:
Kartikaya Gupta 2018-03-19 16:58:34 -04:00
parent c9ab45d675
commit aefbfdb5a8
3 changed files with 68 additions and 0 deletions
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60
gfx/layers/apz/test/mochitest/helper_basic_doubletap_zoom.html Normal file
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@ -0,0 +1,60 @@
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=1050"/>
<title>Sanity check for double-tap 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();
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");
synthesizeNativeTap(document.getElementById('target'), 10, 10);
synthesizeNativeTap(document.getElementById('target'), 10, 10);
// Wait for the APZ:TransformEnd to fire
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();
ok(final_resolution > initial_resolution, 'The final resolution (' + final_resolution + ') is greater after zooming in');
}
waitUntilApzStable()
.then(runContinuation(test))
.then(subtestDone);
</script>
<style type="text/css">
.box {
width: 800px;
height: 200px;
margin: 0 auto;
}
</style>
</head>
<body>
<div class="box">Text before the div.</div>
<div id="target" style="width:400px; height: 2000px; background-image: linear-gradient(blue,red)">
</div>
</body>
</html>

1
gfx/layers/apz/test/mochitest/mochitest.ini
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@ -2,6 +2,7 @@
support-files =
apz_test_native_event_utils.js
apz_test_utils.js
helper_basic_doubletap_zoom.html
helper_basic_pan.html
helper_basic_zoom.html
helper_bug982141.html

7
gfx/layers/apz/test/mochitest/test_group_zoom.html
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@ -25,9 +25,16 @@ var prefs = [
["apz.displayport_expiry_ms", 0],
];
// Increase the tap timeouts so the double-tap is still detected in case of
// random delays during testing.
var doubletap_prefs = prefs.slice(); // make a copy
doubletap_prefs.push(["ui.click_hold_context_menus.delay", 10000]);
doubletap_prefs.push(["apz.max_tap_time", 10000]);
var subtests = [
{'file': 'helper_bug1280013.html', 'prefs': prefs},
{'file': 'helper_basic_zoom.html', 'prefs': prefs},
{'file': 'helper_basic_doubletap_zoom.html', 'prefs': doubletap_prefs},
];
if (isApzEnabled()) {