| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>'devicechange' event tests</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| let deviceIds = []; |
| promise_test((test) => { |
| if (window.testRunner) |
| testRunner.setUserMediaPermission(true); |
| |
| return navigator.mediaDevices.enumerateDevices().then((devices) => { |
| return new Promise((resolve, reject) => { |
| devices.forEach(function(device) { deviceIds.push(device.deviceId); }); |
| navigator.mediaDevices.ondevicechange = (event) => { resolve(event); }; |
| setTimeout(() => resolve(new Event('devicechange')), 100); |
| }); |
| }).then((event) => { |
| assert_equals(event.type, "devicechange", "correct event type"); |
| return new Promise((resolve, reject) => { |
| return navigator.mediaDevices.enumerateDevices().then((devices) => { |
| let deviceIDs2 = []; |
| devices.forEach(function(device) { deviceIDs2.push(device.deviceId); }); |
| try { |
| assert_true(deviceIDs2.indexOf(deviceIds[0]) != -1, "device not reported by enumerateDevices"); |
| assert_equals(deviceIDs2.length, deviceIds.length, "correct number of devices"); |
| } catch(e) { |
| reject(e); |
| return; |
| } |
| |
| navigator.mediaDevices.ondevicechange = (event) => { resolve(event); }; |
| setTimeout(() => resolve(new Event('devicechange')), 100); |
| }); |
| }); |
| }).then((event) => { |
| assert_equals(event.type, "devicechange", "correct event type"); |
| return new Promise((resolve, reject) => { |
| return navigator.mediaDevices.enumerateDevices().then((devices) => { |
| let deviceIDs2 = []; |
| devices.forEach(function(device) { deviceIDs2.push(device.deviceId); }); |
| try { |
| assert_in_array(deviceIds[0], deviceIDs2, "device reported by enumerateDevices again"); |
| assert_equals(deviceIDs2.length, deviceIds.length, "correct number of devices"); |
| } catch(e) { |
| reject(e); |
| return; |
| } |
| |
| resolve(); |
| }); |
| }); |
| }); |
| |
| }, "'devicechange' event fired when device list changes"); |
| </script> |
| </head> |
| <body> |
| </body> |
| </html> |
