| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../resources/js-test.js"></script> |
| <script> |
| description("Tests that media session interruption does not cause AudioContext.suspend() to throw"); |
| jsTestIsAsync = true; |
| |
| let didResolveSuspendPromise = false; |
| |
| function didEndInterruption() |
| { |
| testPassed("Did end interruption"); |
| context.onstatechange = null; |
| // Interruption has ended but the script has called suspend() so we should move to "suspended" |
| // state. |
| shouldBeEqualToString("context.state", "suspended"); |
| shouldBeTrue("didResolveSuspendPromise"); |
| |
| setTimeout(() => { |
| shouldBeEqualToString("context.state", "suspended"); |
| |
| context.resume().then(() => { |
| testPassed("resume() promise was resolved"); |
| shouldBeEqualToString("context.state", "running"); |
| finishJSTest(); |
| }, (e) => { |
| testFailed("context.resume() call after uninterrupted threw an unexpected exception: " + e); |
| finishJSTest(); |
| }); |
| }, 10); |
| } |
| |
| function didBeginInterruption() |
| { |
| testPassed("Did begin interruption"); |
| context.onstatechange = null; |
| shouldBeEqualToString("context.state", "interrupted"); |
| context.suspend().then(() => { |
| testPassed("context.suspend() promise was resolved"); |
| didResolveSuspendPromise = true; |
| }, (e) => { |
| testFailed("context.suspend() call while interrupted threw an unexpected exception: " + e); |
| finishJSTest(); |
| }); |
| |
| shouldBeEqualToString("context.state", "interrupted"); |
| shouldBeFalse("didResolveSuspendPromise"); |
| setTimeout(() => { |
| shouldBeEqualToString("context.state", "interrupted"); |
| shouldBeFalse("didResolveSuspendPromise"); |
| |
| context.onstatechange = didEndInterruption; |
| if (window.internals) |
| evalAndLog("internals.endMediaSessionInterruption('mayresumeplaying')"); |
| }, 10); |
| } |
| |
| function didStartRendering() |
| { |
| testPassed("Did start rendering"); |
| context.onstatechange = didBeginInterruption; |
| if (window.internals) |
| evalAndLog("internals.beginMediaSessionInterruption('enteringbackground')"); |
| } |
| |
| let context = new AudioContext; |
| var source = context.createConstantSource(); |
| source.connect(context.destination); |
| |
| context.onstatechange = didStartRendering; |
| source.start(); |
| </script> |
| </html> |
