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| (Empty) |
| 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 changeTest = async_test("Test that orientationchange event is fired when the
orientation changes."); | |
| 9 var noChangeTest = async_test("Test that orientationchange event is not fired wh
en the orientation does not change."); | |
| 10 | |
| 11 var orientations = [ | |
| 12 'portrait-primary', | |
| 13 'portrait-secondary', | |
| 14 'landscape-primary', | |
| 15 'landscape-secondary' | |
| 16 ]; | |
| 17 | |
| 18 var currentIndex = orientations.indexOf(window.screen.orientation.type); | |
| 19 // Count the number of calls received from the EventHandler set on screen.orient
ation.onchange. | |
| 20 var orientationChangeEventHandlerCalls = 0; | |
| 21 // Count the number of calls received from the listener set with screen.orientat
ion.addEventListene(). | |
| 22 var orientationChangeEventListenerCalls = 0; | |
| 23 | |
| 24 var orientationChangeContinuation = null; | |
| 25 | |
| 26 function getNextIndex() { | |
| 27 return (currentIndex + 1) % orientations.length; | |
| 28 } | |
| 29 | |
| 30 window.screen.orientation.onchange = function() { | |
| 31 orientationChangeEventHandlerCalls++; | |
| 32 if (orientationChangeEventContinuation) { | |
| 33 setTimeout(orientationChangeEventContinuation); | |
| 34 orientationChangeEventContinuation = null; | |
| 35 } | |
| 36 }; | |
| 37 | |
| 38 window.screen.orientation.addEventListener('change', function() { | |
| 39 orientationChangeEventListenerCalls++; | |
| 40 }); | |
| 41 | |
| 42 function runNoChangeTest() { | |
| 43 screen.orientation.lock(orientations[currentIndex]).then(function() {}, functi
on() {}); | |
| 44 | |
| 45 noChangeTest.step(function() { | |
| 46 assert_equals(screen.orientation.type, orientations[currentIndex]); | |
| 47 assert_equals(orientationChangeEventHandlerCalls, orientations.length); | |
| 48 assert_equals(orientationChangeEventListenerCalls, orientations.length); | |
| 49 }); | |
| 50 | |
| 51 noChangeTest.done(); | |
| 52 } | |
| 53 | |
| 54 var i = 0; | |
| 55 function runChangeTest() { | |
| 56 screen.orientation.lock(orientations[getNextIndex()]).then(function() {}, func
tion() {}); | |
| 57 currentIndex = getNextIndex(); | |
| 58 | |
| 59 orientationChangeEventContinuation = function() { | |
| 60 changeTest.step(function() { | |
| 61 assert_equals(screen.orientation.type, orientations[currentIndex]); | |
| 62 assert_equals(orientationChangeEventHandlerCalls, i + 1); | |
| 63 assert_equals(orientationChangeEventListenerCalls, i + 1); | |
| 64 }); | |
| 65 | |
| 66 ++i; | |
| 67 if (i == orientations.length) { | |
| 68 changeTest.done(); | |
| 69 runNoChangeTest(); | |
| 70 } else { | |
| 71 runChangeTest(); | |
| 72 } | |
| 73 }; | |
| 74 } | |
| 75 | |
| 76 runChangeTest(); | |
| 77 | |
| 78 </script> | |
| 79 </body> | |
| 80 </html> | |
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Chromium Code Reviews
Issue 1666363003:
Import web-platform-tests@27e3d93f88a71a249d1df872a5d613b3243b9588 (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master