| <!doctype html> |
| <html> |
| <head> |
| <title>Test AudioContext.close()</title> |
| <script src="../resources/js-test.js"></script> |
| <script src="resources/compatibility.js"></script> |
| <script src="resources/audio-testing.js"></script> |
| </head> |
| |
| <body> |
| <script> |
| description("Basic functionality test of closing an AudioContext"); |
| window.jsTestIsAsync = true; |
| |
| var context; |
| var destination; |
| var offline; |
| var osc; |
| var gain; |
| var promise1; |
| var promise2; |
| var offlinePromise; |
| var wave = new Float32Array(1); |
| |
| var audit = Audit.createTaskRunner(); |
| |
| // Task: test online context (1). |
| audit.defineTask('test-online-context-1', function (done) { |
| |
| // Create a context and verify that the various states are correct and |
| // that close() exists. |
| shouldNotThrow("context = new AudioContext()"); |
| shouldBeEqualToString("context.state", "running"); |
| |
| // Create gain and oscillator for testing later. |
| shouldNotThrow("osc = context.createOscillator()"); |
| shouldNotThrow("gain = context.createGain()"); |
| destination = context.destination; |
| shouldNotThrow("gain.connect(context.destination)"); |
| |
| // Close the context. When the promise is resolved, continue the next |
| // test task. |
| context.close().then( |
| function () { |
| testPassed("context.close() was correctly resolved"); |
| shouldNotThrow("gain.disconnect(destination)"); |
| }, |
| function () { |
| testFailed("context.close() was erroneously rejected"); |
| } |
| ).then(done); |
| |
| }); |
| |
| // Task: test online context (2). |
| audit.defineTask('test-online-context-2', function (done) { |
| |
| // Context is closed, so verify that we cannot create any more nodes, |
| // nor connect any. |
| shouldThrow("context.createAnalyser()"); |
| shouldThrow("context.createBiquadFilter()"); |
| |
| // createBuffer is an exception because it's not really tied in any way |
| // to an audio context. And it's useful to be able to create a buffer |
| // inside the oncomplete event of an offline context to use for testing |
| // purposes. |
| shouldNotThrow("context.createBuffer(1, 1, 48000)"); |
| |
| shouldThrow("context.createBufferSource()"); |
| shouldThrow("context.createChannelMerger()"); |
| shouldThrow("context.createChannelSplitter()"); |
| shouldThrow("context.createConvolver()"); |
| shouldThrow("context.createDelay()"); |
| shouldThrow("context.createDynamicsCompressor()"); |
| shouldThrow("context.createGain()"); |
| shouldThrow("context.createOscillator()"); |
| shouldThrow("context.createPanner()"); |
| shouldThrow("context.createPeriodicWave(wave, wave)"); |
| shouldThrow("context.createScriptProcessor()"); |
| shouldThrow("context.createStereoPanner()"); |
| shouldThrow("context.createWaveShaper()"); |
| |
| shouldThrow("osc.connect(gain)"); |
| shouldNotThrow("gain.disconnect()"); |
| |
| // Can't resume a context that is closed (released). |
| context.resume().then( |
| function () { |
| testFailed("Attempt to resume a closed context erroneously succeeded"); |
| }, |
| function () { |
| testPassed("Attempt to resume a closed context was correctly rejected"); |
| } |
| ).then(done); |
| }); |
| |
| // Task: test online context (3). |
| audit.defineTask('test-online-context-3', function (done) { |
| |
| // Try closing the context again. The promise should be rejected. |
| context.close().then( |
| function () { |
| testFailed("Closing context again erroneously resolved successfully."); |
| }, |
| function () { |
| testPassed("Closing context again correctly rejected promise."); |
| // Finally, run GC. The context should be gone, but this seems difficult to verify. |
| gc(); |
| shouldBeNull("context.destination"); |
| } |
| ).then(done); |
| }); |
| |
| // Task: test offline context (1). |
| audit.defineTask('test-offline-context-1', function (done) { |
| |
| // For an offline context, verify that close is not defined. |
| shouldNotThrow("offline = new OfflineAudioContext(1, 1000, 48000)"); |
| shouldBeEqualToString("offline.state", "suspended"); |
| shouldBeUndefined("offline.close"); |
| done(); |
| }); |
| |
| audit.defineTask('finish-test', function (done) { |
| done(); |
| finishJSTest(); |
| }); |
| |
| audit.runTasks(); |
| |
| successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
