third_party/WebKit/LayoutTests/screen_orientation/lockOrientation-basic.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script src="../resources/testharness.js"></script>
   5 <script src="../resources/testharnessreport.js"></script>
   6 <script>
   7
   8 var previousOrientation = screen.orientation;
   9
  10 test(function() {
  11     var caught = false;
  12     try {
  13         screen.orientation.unlock();
  14     } catch (e) {
  15         caught = true;
  16     }
  17
  18     assert_false(caught);
  19 }, "Test that screen.orientation.unlock() doesn't throw when there is no lock");
  20
  21 test(function() {
  22     [ 'any', 'portrait', 'landscape', 'portrait-primary', 'portrait-secondary',
  23       'landscape-primary', 'landscape-secondary' ].forEach(function(orientation) {
  24         var pending = true;
  25         screen.orientation.lock(orientation).then(function() {
  26             pending = false;
  27         }, function() {
  28             pending = false;
  29         });
  30
  31         assert_true(pending);
  32     });
  33 }, "Test that screen.orientation.lock returns a pending promise.");
  34
  35 test(function() {
  36     assert_equals(screen.orientation, previousOrientation);
  37 }, "Test that screen.orientation.lock() is actually async");
  38
  39 test(function() {
  40     var caught = false;
  41     try {
  42         screen.orientation.unlock();
  43     } catch (e) {
  44         caught = true;
  45     }
  46
  47     assert_false(caught);
  48 }, "Test that screen.unlock() doesn't throw when there is a lock");
  49
  50 </script>
  51 </body>
  52 </html>