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Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-mediaelementaudiosourcenode-interface/cors-check.https.html')
-rw-r--r-- | testing/web-platform/tests/webaudio/the-audio-api/the-mediaelementaudiosourcenode-interface/cors-check.https.html | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-mediaelementaudiosourcenode-interface/cors-check.https.html b/testing/web-platform/tests/webaudio/the-audio-api/the-mediaelementaudiosourcenode-interface/cors-check.https.html new file mode 100644 index 0000000000..38bd94a037 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-mediaelementaudiosourcenode-interface/cors-check.https.html @@ -0,0 +1,76 @@ +<!DOCTYPE html> +<html> + <head> + <title> + Test if MediaElementAudioSourceNode works for cross-origin redirects with + "cors" request mode. + </title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/webaudio/resources/audit.js"></script> + <script src="/common/get-host-info.sub.js"></script> + </head> + <body> + <script id="layout-test-code"> + const audit = Audit.createTaskRunner(); + + setup(() => { + const context = new AudioContext(); + context.suspend(); + + const host_info = get_host_info(); + const audioElement = document.createElement('audio'); + audioElement.loop = true; + audioElement.crossOrigin = 'anonymous'; + const wav = + host_info.HTTPS_ORIGIN + '/webaudio/resources/4ch-440.wav?' + + 'pipe=header(access-control-allow-origin,*)'; + audioElement.src = + host_info.HTTPS_REMOTE_ORIGIN + + '/fetch/api/resources/redirect.py?location=' + + encodeURIComponent(wav); + let source; + let workletRecorder; + + audit.define( + {label: 'setting-up-graph'}, + (task, should) => { + source = new MediaElementAudioSourceNode(context, { + mediaElement: audioElement + }); + workletRecorder = new AudioWorkletNode( + context, 'recorder-processor', {channelCount: 4}); + source.connect(workletRecorder).connect(context.destination); + task.done(); + }); + + // The recorded data from MESN must be non-zero. The source file contains + // 4 channels of sine wave. + audit.define( + {label: 'start-playback-and-capture'}, + (task, should) => { + workletRecorder.port.onmessage = (event) => { + if (event.data.type === 'recordfinished') { + for (let i = 0; i < event.data.recordBuffer.length; ++i) { + const channelData = event.data.recordBuffer[i]; + should(channelData, `Recorded channel #${i}`) + .notBeConstantValueOf(0); + } + } + + task.done(); + }; + + context.resume(); + audioElement.play(); + }); + + Promise.all([ + context.audioWorklet.addModule('/webaudio/js/worklet-recorder.js') + ]).then(() => { + audit.run(); + }); + }); + </script> + </body> +</html> |