Content - 4b1d0b83889693e23a35ef5bb814ec921656935f - 39c26cf/screen-orientation/orientation-reading.html

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Tip revision: f234546e7a085b82058d2ab0b43b3396e256405c authored by Ovidio Henriquez on 23 March 2018, 17:54:47 UTC
bluetooth: Impl. setNextWriteResponse (descriptor)

Tip revision: f234546

orientation-reading.html

<!DOCTYPE html>
<html>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>

test(function() {
    assert_true('type' in screen.orientation);
    assert_true('angle' in screen.orientation);
}, "Test screen.orientation properties");

test(function() {
    assert_equals(screen.orientation.type, "portrait-primary");
    assert_equals(screen.orientation.angle, 0);
}, "Test screen.orientation default values.");

test(function() {
    var type = screen.orientation.type;
    var angle = screen.orientation.angle;

    screen.orientation.type = 'foo';
    screen.orientation.angle = 42;

    assert_equals(screen.orientation.type, type);
    assert_equals(screen.orientation.angle, angle);
}, "Test that screen.orientation properties are not writable");

test(function() {
    assert_equals(screen.orientation, screen.orientation);
}, "Test that screen.orientation is always the same object");

async_test(function(t) {
    var orientation = screen.orientation;
    var orientationType = screen.orientation.type;
    var orientationAngle = screen.orientation.angle;

    screen.orientation.unlock();
    screen.orientation.lock('landscape-primary').then(function () {
        t.step(function () {
            assert_equals(screen.orientation, orientation);
            assert_equals(screen.orientation.type, orientation.type);
            assert_equals(screen.orientation.angle, orientation.angle);
            assert_not_equals(screen.orientation.type, orientationType);
            assert_not_equals(screen.orientation.angle, orientationAngle);
        });
        t.done();
        screen.orientation.unlock();
    }, function () {
        t.step(function () {
            assert_unreached('Unexpected orientation change');
        });
        t.done();
        screen.orientation.unlock();
    });

}, "Test that screen.orientation values change if the orientation changes");

</script>
</body>
</html>

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