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<!DOCTYPE html>
<meta charset="utf-8">
<title>Test for ScreenOrientation API</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="orientationcommon.js"></script>
<div id="log"></div>
<script>
async_test(function(t) {
var originalOrientation = screen.orientation.type;
var alternateOrientation = originalOrientation == "portrait-primary" ?
"landscape-primary" : "portrait-primary";
var p = specialPowersLock(alternateOrientation);
p.then(function() {
t.step(function() { assert_equals(screen.orientation.type, alternateOrientation); });
return specialPowersLock(originalOrientation);
}).then(function() {
t.step(function() { assert_equals(screen.orientation.type, originalOrientation); });
return specialPowersUnlock();
}).then(function() {
t.done();
}).catch(t.step_func(function(err) {
assert_unreached("Error setting orientation: " + err);
t.done();
}));
}, "Test locking and unlocking orientation.");
</script>
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