third_party/WebKit/LayoutTests/screen_orientation/screenorientation-api.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 test(function() {
   9     assert_true('orientation' in window.screen);
  10     assert_true('angle' in window.screen.orientation);
  11     assert_true('type' in window.screen.orientation);
  12     assert_true('lock' in window.screen.orientation);
  13     assert_true('unlock' in window.screen.orientation);
  14     assert_true('onchange' in window.screen.orientation);
  15 }, "Test that the Screen Orientation API is present.")
  16
  17 test(function() {
  18   assert_equals(typeof(screen.orientation), "object");
  19   assert_equals(typeof(screen.orientation.angle), "number");
  20   assert_equals(typeof(screen.orientation.type), "string");
  21   assert_equals(typeof(screen.orientation.lock), "function");
  22   assert_equals(typeof(screen.orientation.unlock), "function");
  23   assert_equals(typeof(screen.orientation.onchange), "object");
  24 }, "Test Screen Orientation API property types.");
  25
  26 test(function() {
  27   assert_true('addEventListener' in screen.orientation);
  28   assert_true('removeEventListener' in screen.orientation);
  29   assert_true('dispatchEvent' in screen.orientation);
  30   assert_true(screen.orientation instanceof EventTarget)
  31 }, "Test that screen.orientation is an EventTarget.");
  32
  33 </script>
  34 </body>
  35 </html>