| <!doctype html> |
| <html> |
| <head> |
| <title>enumerateDevices: test that enumerateDevices is present</title> |
| <link rel="author" title="Dr Alex Gouaillard" href="mailto:agouaillard@gmail.com"/> |
| <link rel="help" href="https://w3c.github.io/mediacapture-main/#enumerating-devices"> |
| <meta name='assert' content='Check that the enumerateDevices() method is present.'/> |
| </head> |
| <body> |
| <h1 class="instructions">Description</h1> |
| <p class="instructions">This test checks for the presence of the |
| <code>navigator.mediaDevices.enumerateDevices()</code> method.</p> |
| <div id='log'></div> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| "use strict"; |
| //NOTE ALEX: for completion, a test for ondevicechange event is missing. |
| promise_test(async () => { |
| assert_true(undefined !== navigator.mediaDevices.enumerateDevices, "navigator.mediaDevices.enumerateDevices exists"); |
| const device_list = await navigator.mediaDevices.enumerateDevices(); |
| for (const mediainfo of device_list) { |
| assert_true(undefined !== mediainfo.deviceId, "mediaInfo's deviceId should exist."); |
| assert_true(undefined !== mediainfo.kind, "mediaInfo's kind should exist."); |
| assert_in_array(mediainfo.kind, ["videoinput", "audioinput", "audiooutput"]); |
| assert_true(undefined !== mediainfo.label, "mediaInfo's label should exist."); |
| assert_true(undefined !== mediainfo.groupId, "mediaInfo's groupId should exist."); |
| } |
| }, "mediaDevices.enumerateDevices() is present and working"); |
| |
| promise_test(async () => { |
| const device_list = await navigator.mediaDevices.enumerateDevices(); |
| for (const mediainfo of device_list) { |
| if (mediainfo.kind == "audioinput" || mediainfo.kind == "videoinput") { |
| assert_true(mediainfo instanceof InputDeviceInfo); |
| } else if ( mediainfo.kind == "audiooutput" ) { |
| assert_true(mediainfo instanceof MediaDeviceInfo); |
| } else { |
| assert_unreached("mediainfo.kind should be one of 'audioinput', 'videoinput', or 'audiooutput'.") |
| } |
| } |
| }, "InputDeviceInfo is supported"); |
| </script> |
| </body> |
| </html> |
