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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1637135
-->
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=400px">
<title>Test for Bug 1637135</title>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
<script type="application/javascript" src="apz_test_utils.js"></script>
<style>
#target {
margin-left: 450px;
width: 100px;
height: 100px;
}
</style>
</head>
<body>
<div id="target">
<script type="application/javascript">
async function test() {
// Tap the target element, which is located beyond x=400.
// The bug occurs when we cannot hit it because the viewport
// width of x=400 causes us to be unable to hit elements
// beyond that point.
let target = document.getElementById("target");
let mouseDownEvent = null;
let mouseDownPromise = new Promise(resolve => {
target.addEventListener("mousedown", function(e) {
mouseDownEvent = e;
resolve();
});
});
await synthesizeNativeTap(target, 10, 10);
await mouseDownPromise;
is(mouseDownEvent.target, target, "mousedown event targeted the correct element");
}
if (getPlatform() == "android") {
waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);
} else {
// The fix for bug 1637135 is limited to Android, because
// it breaks the ability to target scrollbars, so we can
// only run this test on Android.
ok(true, "This subtest is only run on Android");
subtestDone();
}
</script>
</body>
</html>
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