| <!doctype html> |
| <html> |
| <head> |
| <title>Test setSinkId behavior </title> |
| <link rel="author" title="Dominique Hazael-Massieux" href="mailto:dom@w3.org"/> |
| <link rel="help" href="https://www.w3.org/TR/audio-output/#dom-htmlmediaelement-setsinkid"> |
| </head> |
| <body> |
| <h1 class="instructions">Description</h1> |
| <p class="instructions">This test checks that <code>setSinkId</code> follows the algorithm (but does not consider actual rendering of the audio which needs to be manual).</p> |
| <div id='log'></div> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| "use strict"; |
| |
| const is_output = d => d.kind === "audiooutput"; |
| const audio = new Audio(); |
| |
| promise_test(t => audio.setSinkId(""), "setSinkId on default audio output should always work"); |
| |
| promise_test(t => promise_rejects(t, "NotFoundError", audio.setSinkId("inexistent_device_id")), "setSinkId fails with NotFoundError on made up deviceid"); |
| |
| promise_test(t => |
| navigator.mediaDevices.enumerateDevices().then(list => { |
| assert_not_equals(list.find(is_output), undefined, "media device list includes at least one audio output device"); |
| // since we haven't gained any specific permission, |
| // for all listed audio output devices, calling setSinkId with device id can |
| // either create a security exception or work and thus reflect the deviceId |
| let acceptedDevice = 0; |
| list.filter(is_output).forEach((d,i) => promise_test(td => audio.setSinkId(d.deviceId).then(r => { |
| assert_equals(r, undefined, "setSinkId resolves with undefined"); |
| assert_equals(audio.sinkId, d.deviceId, "when it resolves, setSinkId updates sinkId to the requested deviceId"); |
| assert_equals(acceptedDevice, 0, "only one output device can be set without permission"); |
| acceptedDevice++; |
| promise_test(t => audio.setSinkId(d.deviceId), "resetting sinkid on same current value should always work"); |
| promise_test(t => audio.setSinkId(""), "resetting sinkid on default audio output should always work"); |
| }, e => { |
| assert_equals(e.name, "SecurityError", "On known devices, the only possible failure of setSinkId is a securityerror"); // assuming AbortError can't happen in the test environment by default |
| }), "Correctly reacts to setting known deviceid as sinkid " + i)); |
| }), "List media devices"); |
| |
| </script> |
| </body> |
| </html> |