| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script> |
| |
| var changeTest = async_test("Test that window's orientationchange event is fired when the orientation changes."); |
| var noChangeTest = async_test("Test that window's orientationchange event is not fired when the orientation does not change."); |
| |
| if (window.internals && internals.runtimeFlags.orientationEventEnabled) { |
| var orientations = [ |
| 'portrait-primary', |
| 'portrait-secondary', |
| 'landscape-primary', |
| 'landscape-secondary' |
| ]; |
| |
| var orientationAngles = [ |
| 0, |
| 180, |
| 90, |
| -90 |
| ]; |
| |
| var currentIndex = 0; |
| // Count the number of calls received from the EventHandler set on window.onorientationchange |
| var orientationChangeEventHandlerCalls = 0; |
| // Count the number of calls received from the listener set with window.addEventListener("orientationchange",...) |
| var orientationChangeEventListenerCalls = 0; |
| |
| function getNextIndex() { |
| return (currentIndex + 1) % orientationAngles.length; |
| } |
| |
| window.onorientationchange = function(event) { |
| orientationChangeEventHandlerCalls++; |
| }; |
| |
| window.addEventListener('orientationchange', function() { |
| orientationChangeEventListenerCalls++; |
| }); |
| |
| function runNoChangeTest() { |
| testRunner.setMockScreenOrientation(orientations[currentIndex]); |
| |
| setTimeout(function() { |
| noChangeTest.step(function() { |
| assert_equals(window.orientation, orientationAngles[currentIndex]); |
| assert_equals(orientationChangeEventHandlerCalls, 4); |
| assert_equals(orientationChangeEventListenerCalls, 4); |
| }); |
| |
| noChangeTest.done(); |
| }); |
| } |
| |
| var i = 0; |
| function runChangeTest() { |
| testRunner.setMockScreenOrientation(orientations[getNextIndex()]); |
| currentIndex = getNextIndex(); |
| |
| setTimeout(function() { |
| changeTest.step(function() { |
| assert_equals(window.orientation, orientationAngles[currentIndex]); |
| assert_equals(orientationChangeEventHandlerCalls, i + 1); |
| assert_equals(orientationChangeEventListenerCalls, i + 1); |
| }); |
| |
| ++i; |
| if (i == 4) { |
| changeTest.done(); |
| runNoChangeTest(); |
| } else { |
| runChangeTest(); |
| } |
| }); |
| } |
| |
| runChangeTest(); |
| } else { |
| console.error("This test requires window.internals and the orientationchange event to be enabled."); |
| changeTest.done(); |
| noChangeTest.done(); |
| } |
| |
| </script> |
| </body> |
| </html> |
