| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| |
| promise_test(async (test) => { |
| |
| if (window.testRunner) |
| testRunner.setUserMediaPermission(true); |
| |
| let devices1 = await navigator.mediaDevices.enumerateDevices(); |
| |
| let eventCount = 0; |
| await new Promise((resolve, reject) => { |
| navigator.mediaDevices.ondevicechange = (evt) => { |
| ++eventCount; |
| resolve(); |
| } |
| |
| setTimeout(() => { |
| reject("navigator.mediaDevices.ondevicechange took too long") |
| }, 4000); |
| |
| navigator.mediaDevices.getUserMedia({ audio:true, video:true }); |
| }); |
| |
| let devices2 = await navigator.mediaDevices.enumerateDevices(); |
| assert_true(devices1.length < devices2.length, "more devices revealed after gUM"); |
| assert_equals(eventCount, 1, "one event fired"); |
| |
| }, "'devicechange' event fired after getUserMedia() if enumerateDevices() previously returned filtered list"); |
| |
| </script> |
| </head> |
| <body> |
| </body> |
| </html> |
