| <!DOCTYPE html> |
| <title>Test worker handle ontimezonechange event.</title> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script> |
| promise_test(async t => { |
| const worker = new Worker('resources/worker-timezonechange.js'); |
| const msg1 = await new Promise(r => worker.onmessage = r); |
| assert_equals(msg1.data, "READY"); |
| // Once we know the worker is ready, we change the timezone. |
| internals.setSystemTimeZone("Asia/Taipei"); |
| const msg2 = await new Promise(r => worker.onmessage = r); |
| assert_equals(msg2.data, "SUCCESS"); |
| }, "Test a dedicated worker handles ontimezonechange event."); |
| </script> |
