| <!DOCTYPE html> |
| <html> |
| <head> |
| <title> |
| Test if AudioContext state changes correctly after a source starts. |
| </title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../resources/audit.js"></script> |
| </head> |
| <body> |
| <script id="layout-test-code"> |
| const audit = new Audit.createTaskRunner(); |
| |
| let autoplayIgnoresWebAudioEnabled; |
| |
| audit.define('autoplay-policy-setup', function(task) { |
| autoplayIgnoresWebAudioEnabled = |
| internals.runtimeFlags.autoplayIgnoresWebAudioEnabled; |
| internals.runtimeFlags.autoplayIgnoresWebAudioEnabled = false; |
| internals.settings.setAutoplayPolicy( |
| 'document-user-activation-required'); |
| task.done(); |
| }); |
| |
| audit.define('test-context-state', function(task, should) { |
| const context = new AudioContext(); |
| const osc = new OscillatorNode(context); |
| osc.connect(context.destination); |
| |
| activateDocument().then(() => { |
| should(context.state, 'Context state').beEqualTo('suspended'); |
| osc.start(); |
| should(context.state, 'Context state').beEqualTo('running'); |
| task.done(); |
| }); |
| }); |
| |
| audit.define('post-test-cleanup', function(task) { |
| internals.runtimeFlags.autoplayIgnoresWebAudioEnabled = |
| autoplayIgnoresWebAudioEnabled; |
| internals.settings.setAutoplayPolicy('no-user-gesture-required'); |
| task.done(); |
| }); |
| |
| function activateDocument() { |
| return new Promise((resolve, reject) => { |
| chrome.gpuBenchmarking.pointerActionSequence([ |
| { |
| source: 'mouse', |
| actions: [ |
| { name: 'pointerDown', x: 1, y: 1 }, |
| { name: 'pointerUp' }, |
| ], |
| } |
| ], resolve); |
| }); |
| } |
| |
| audit.run(); |
| </script> |
| </body> |
| </html> |
