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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=2100"/>
<title>Check that double tapping img works</title>
<script src="apz_test_native_event_utils.js"></script>
<script src="apz_test_utils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script>
async function test() {
let useTouchpad = (location.search == "?touchpad");
var resolution = await getResolution();
ok(resolution > 0,
"The initial_resolution is " + resolution + ", which is some sane value");
// Check that double-tapping once zooms in
await doubleTapOn(document.getElementById("target"), 10, 10, useTouchpad);
var prev_resolution = resolution;
resolution = await getResolution();
ok(resolution > prev_resolution, "The first double-tap has increased the resolution to " + resolution);
// Check that double-tapping again on the same spot zooms out
await doubleTapOn(document.getElementById("target"), 10, 10, useTouchpad);
prev_resolution = resolution;
resolution = await getResolution();
ok(resolution < prev_resolution, "The second double-tap has decreased the resolution to " + resolution);
}
waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);
</script>
</head>
<body>
<img id="target" width="100" height="100" src="green100x100.png">
</body>
</html>