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<!DOCTYPE html>
<html>
<body>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<iframe src='about:blank'></iframe>
<script>
var orientationChangeEventListenerCalls = 0;
var orientationChangeEventListenerCallsForFrame = 0;
screen.orientation.addEventListener('change', function() {
orientationChangeEventListenerCalls++;
});
window.frames[0].screen.orientation.addEventListener('change', function() {
orientationChangeEventListenerCallsForFrame++;
});
test(function() {
assert_false(document.hidden);
if (window.testRunner)
window.testRunner.setMockScreenOrientation("landscape-primary");
assert_equals(orientationChangeEventListenerCalls, 1);
assert_equals(screen.orientation.type, "landscape-primary");
}, "Test that a change event is fired when the page is visible");
if (window.testRunner)
testRunner.setPageVisibility("hidden");
test(function() {
assert_true(document.hidden);
if (window.testRunner)
window.testRunner.setMockScreenOrientation("portrait-primary");
assert_equals(orientationChangeEventListenerCalls, 1);
}, "Test that change event is not fired when the page is not visible");
test(function() {
assert_equals(screen.orientation.type, "landscape-primary");
}, "Test that screen.orientation keeps returning the same orientation when the page is not visible");
if (window.testRunner)
testRunner.setPageVisibility("visible");
test(function() {
assert_false(document.hidden);
// A change event should have been fired.
assert_equals(orientationChangeEventListenerCalls, 2);
// Should keep returning the start returning the orientation value.
assert_equals(screen.orientation.type, "portrait-primary");
}, "Test that screen.orientation is updated once the page is visible again");
test(function() {
assert_equals(orientationChangeEventListenerCallsForFrame, orientationChangeEventListenerCalls);
}, "Test that the iframe got as many events as the main frame.")
</script>
</body>
</html>
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