| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/test-only-api.js"></script> |
| <script src="resources/timezome-helper.js"></script> |
| <script> |
| |
| const timezone = ["Asia/Taipei", "America/Chicago"]; |
| let i = 0;; |
| |
| test(function() { |
| assert_true('ontimezonechange' in window); |
| }, "Test that timezonechange event handler API is present in window"); |
| |
| promise_test(async t => { |
| const timeZoneSetter = await create_time_zone_setter(); |
| let received = false; |
| window.ontimezonechange = function() { |
| received = true; |
| } |
| |
| timeZoneSetter.setSystemTimeZoneForTesting(timezone[i++ % timezone.length]); |
| assert_true(received); |
| }, "Test that the timezonechange event fires on window.ontimezonechange"); |
| |
| promise_test(async t => { |
| const timeZoneSetter = await create_time_zone_setter(); |
| let received = false; |
| window.addEventListener('timezonechange', function() { |
| received = true; |
| }); |
| |
| timeZoneSetter.setSystemTimeZoneForTesting(timezone[i++ % timezone.length]); |
| assert_true(received); |
| }, "Test that the timezonechange event fires on window.addEventListener('timezonechange')"); |
| |
| promise_test(async t => { |
| const timeZoneSetter = await create_time_zone_setter(); |
| window.received = false; // We need a global variable here. |
| document.body.setAttribute('ontimezonechange', 'window.received = true;'); |
| |
| timeZoneSetter.setSystemTimeZoneForTesting(timezone[i++ % timezone.length]); |
| assert_true(window.received); |
| }, "Test that the timezonechange event fires on body ontimezonechange attribute"); |
| |
| promise_test(async t => { |
| const timeZoneSetter = await create_time_zone_setter(); |
| window.received = 0; // We need a global variable here. |
| let fromWindowHandler = false; |
| document.body.setAttribute('ontimezonechange', 'window.received++;'); |
| window.ontimezonechange = function() { |
| received++; |
| fromWindowHandler = true; |
| } |
| |
| timeZoneSetter.setSystemTimeZoneForTesting(timezone[i++ % timezone.length]); |
| assert_equals(window.received, 1); |
| assert_true(fromWindowHandler); |
| |
| window.received = 0; |
| fromWindowHandler = false; |
| window.ontimezonechange = function() { |
| received++; |
| fromWindowHandler = true; |
| } |
| document.body.setAttribute('ontimezonechange', 'window.received++;'); |
| |
| timeZoneSetter.setSystemTimeZoneForTesting(timezone[i++ % timezone.length]); |
| assert_equals(window.received, 1); |
| assert_false(fromWindowHandler); |
| }, "Test that the timezonechange event fires on body ontimezonechange attribute XOR window.ontimezonechange"); |
| |
| promise_test(async t => { |
| const timeZoneSetter = await create_time_zone_setter(); |
| window.addEventListener('timezonechange', function(e) { |
| assert_false(e.cancelable); |
| assert_false(e.bubbles); |
| }); |
| |
| timeZoneSetter.setSystemTimeZoneForTesting(timezone[i++ % timezone.length]); |
| }, "Test properties of the fired event."); |
| |
| </script> |
| </body> |
| </html> |
