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<title>Implementations that are unable to provide all three angles must set the values of the unknown angles to null</title>
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<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="author" title="Mosquito FP7">
<link rel="reviewer author" title="Zhiqiang Zhang" href="mailto:[email protected]"> <!-- 2013-10-12 -->
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<p>Precondition: implementation is unable to provide all three angles</p>
<p>Rotate the device to run the test.</p>
<div id="log"></div>
<script>
var t1 = async_test("Alpha, Beta and Gamma are null. absolute is false.");
var run = false;
window.addEventListener("deviceorientation", function(e) {
if (!run) {
run = true;
t1.step(function() {
assert_equals(e.alpha, null, "alpha is set to null");
assert_equals(e.beta, null, "beta is set to null");
assert_equals(e.gamma, null, "gamma is set to null");
assert_false(e.absolute, "absolute is set to false");
});
t1.done();
}
}, false);
test(function() {
var evt = new DeviceOrientationEvent("foo");
assert_equals(evt.alpha, null, "alpha is set to null");
assert_equals(evt.beta, null, "beta is set to null");
assert_equals(evt.gamma, null, "gamma is set to null");
assert_false(evt.absolute, "absolute is set to false");
}, "User created event is initialized properly");
</script>
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