| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>no exception is thrown when invoking cancel() twice</title> |
| <link rel="help" href="https://w3c.github.io/wake-lock/#dom-wakelockrequest-cancel"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| |
| promise_test(async t => { |
| const wakeLock = await navigator.getWakeLock("screen"); |
| const request = wakeLock.createRequest(); |
| assert_true(wakeLock.active, "the activate is true when wake lock is acquired"); |
| request.cancel(); |
| assert_false(wakeLock.active, "the activate is false when wake lock is released"); |
| //If the cancel() method has already been invoked on this object, |
| //abort these steps, no error fired |
| request.cancel(); |
| }, "no exception is thrown when invoking cancel() twice"); |
| |
| </script> |
