| <!doctype 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> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| "use strict"; |
| |
| const audio = new Audio(); |
| |
| promise_test(t => audio.setSinkId(""), "setSinkId on default audio output should always work"); |
| |
| promise_test(t => promise_rejects_dom(t, "NotFoundError", audio.setSinkId("nonexistent_device_id")), |
| "setSinkId fails with NotFoundError on made up deviceid"); |
| |
| promise_test(async t => { |
| const list = await navigator.mediaDevices.enumerateDevices(); |
| const outputDevicesList = list.filter(({kind}) => kind == "audiooutput"); |
| assert_not_equals(outputDevicesList.length, 0, |
| "media device list includes at least one audio output device"); |
| |
| let acceptedDevices = 0; |
| for (const {deviceId} of outputDevicesList) { |
| const {deviceId} = outputDevicesList[0]; |
| const p1 = audio.setSinkId(deviceId); |
| assert_equals(audio.sinkId, "", "before it resolves, setSinkId is unchanged"); |
| try { |
| let r = await p1; |
| assert_equals(acceptedDevices, 0, "only the default sink device can be set"); |
| acceptedDevices++; |
| assert_equals(r, undefined, "setSinkId resolves with undefined"); |
| assert_equals(audio.sinkId, deviceId, "when it resolves, setSinkId updates sinkId to the requested deviceId"); |
| r = await audio.setSinkId(deviceId); |
| assert_equals(r, undefined, "resetting sinkid on same current value should always work"); |
| r = await audio.setSinkId(""); |
| assert_equals(r, undefined, "resetting sinkid on default audio output should always work"); |
| } catch (e) { |
| assert_equals(e.name, "NotAllowedError", "Non-default devices are failing with NotAllowed error"); |
| } |
| } |
| }, "List device, setSinkId should be allowed on the default, the rest of the devices will get a NotAllowedError"); |
| |
| </script> |
