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| 1 <!doctype html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <script src="../resources/js-test.js"></script> | |
| 5 <script src="resources/compatibility.js"></script> | |
| 6 <script src="resources/audit-util.js"></script> | |
| 7 <script src="resources/audio-testing.js"></script> | |
| 8 <title>Test decodeAudioData promises</title> | |
| 9 </head> | |
| 10 | |
| 11 <body> | |
| 12 <script> | |
| 13 description("Basic tests for decodeAudioData promise."); | |
| 14 window.jsTestIsAsync = true; | |
| 15 | |
| 16 // Use offline context for decoding because we want a fixed know sample rate
, independent of the | |
| 17 // hardware because the test file is encoded at 44.1 kHz. If we don't decod
eAudioData will | |
| 18 // resample the data messing up the assumptions in this test. The length is
unimportant. | |
| 19 var context = new OfflineAudioContext(1, 1, 44100); | |
| 20 | |
| 21 // Test files for decodeAudioData | |
| 22 var validAudioFile = "resources/media/24bit-44khz.wav"; | |
| 23 var invalidAudioFile = "resources/media/invalid-audio-file.txt"; | |
| 24 var invalidLiveStream = '../media/resources/test-live.webm'; | |
| 25 | |
| 26 // Decoded data from validAudioFile | |
| 27 var referenceDecodedAudioBuffer; | |
| 28 // Encoded audio data for testing decodeAudioData after the context has been
closed. | |
| 29 var encodedAudioData; | |
| 30 // Decoded data from decodeAudioData after the context has been closed. | |
| 31 var decodedAudioBufferAfterClose; | |
| 32 | |
| 33 // Utility to load an encoded audio file from |url| and decode it. |success
| and |failure| are | |
| 34 // functions to handle the then and else cases of the promise returned by de
codeAudioData. | |
| 35 function runDecode(url, success, failure, done) { | |
| 36 var request = new XMLHttpRequest(); | |
| 37 request.open("GET", url, true); | |
| 38 request.responseType = "arraybuffer"; | |
| 39 | |
| 40 request.onload = function () { | |
| 41 context.decodeAudioData(request.response) | |
| 42 .then(success, failure) | |
| 43 .then(done); | |
| 44 }; | |
| 45 | |
| 46 request.send(); | |
| 47 } | |
| 48 | |
| 49 // Compare that two audio buffers are the same | |
| 50 function audioBuffersCompareEqual(actualBuffer, expectedBuffer) { | |
| 51 var success; | |
| 52 | |
| 53 success = Should("Decoded buffer length (frames)", actualBuffer.length).be
EqualTo(expectedBuffer.length); | |
| 54 | |
| 55 success = Should("Decoded buffer duration (sec)", | |
| 56 actualBuffer.duration).beEqualTo(expectedBuffer.duration) && success; | |
| 57 | |
| 58 success = Should("Decoded buffer rate (Hz)", | |
| 59 actualBuffer.sampleRate).beEqualTo(expectedBuffer.sampleRate) && success
; | |
| 60 | |
| 61 success = Should("Number of channels in decoded buffer", | |
| 62 actualBuffer.numberOfChannels).beEqualTo(expectedBuffer.numberOfChannels
) && success; | |
| 63 | |
| 64 for (var c = 0; c < expectedBuffer.numberOfChannels; ++c) { | |
| 65 var actualData = actualBuffer.getChannelData(c); | |
| 66 var expectedData = expectedBuffer.getChannelData(c); | |
| 67 success = Should("Decoded buffer channel " + c, actualData).beEqualToArr
ay(expectedData) && | |
| 68 success; | |
| 69 } | |
| 70 | |
| 71 return success; | |
| 72 } | |
| 73 // Tests | |
| 74 var audit = Audit.createTaskRunner(); | |
| 75 | |
| 76 // Test that a null audioBuffer causes the promise to be rejected with an In
validStateError. | |
| 77 audit.defineTask("null-audiobuffer", function (done) { | |
| 78 Should("decodeAudioData(null)", context.decodeAudioData(null)).beRejected(
) | |
| 79 .then(done); | |
| 80 }); | |
| 81 | |
| 82 // Decode a valid encoded file and verify that the promise succeeds correctl
y. | |
| 83 audit.defineTask('decode-valid-file', function (done) { | |
| 84 var url = validAudioFile; | |
| 85 var prefix = "Decode valid file with promise: "; | |
| 86 runDecode(url, | |
| 87 function (buffer) { | |
| 88 // Save the buffer for later testing. | |
| 89 referenceDecodedAudioBuffer = buffer; | |
| 90 testPassed(prefix + "Correctly succeeded in decoding " + url); | |
| 91 }, | |
| 92 function (e) { | |
| 93 testFailed(prefix + "Incorrectly failed to decode " + url + ": " + e.t
oString()); | |
| 94 }, | |
| 95 done); | |
| 96 }); | |
| 97 | |
| 98 // Decode a invalid encoded file and verify that the promise is rejected cor
rectly. | |
| 99 audit.defineTask("decode-invalid-file", function (done) { | |
| 100 var url = invalidAudioFile; | |
| 101 var prefix = "Decode invalid file with promise: "; | |
| 102 runDecode(url, | |
| 103 function (buffer) { | |
| 104 testFailed(prefix + "Incorrectly succeeded in decoding " + url); | |
| 105 }, | |
| 106 function (e) { | |
| 107 testPassed(prefix + "Correctly failed to decode " + url + ": " + e.toS
tring()); | |
| 108 }, | |
| 109 done); | |
| 110 }); | |
| 111 | |
| 112 // Decode an invalid file (due to an unknown duration) and verify that the | |
| 113 // promise is rejected correctly. | |
| 114 audit.defineTask("decode-invalid-file-unknown-duration", function (done) { | |
| 115 var url = invalidLiveStream; | |
| 116 var prefix = "Decode invalid file with promise: "; | |
| 117 runDecode(url, | |
| 118 function (buffer) { | |
| 119 testFailed(prefix + "Incorrectly succeeded in decoding " + url); | |
| 120 }, | |
| 121 function (e) { | |
| 122 testPassed(prefix + "Correctly failed to decode " + url + ": " + e.toS
tring()); | |
| 123 }, | |
| 124 done); | |
| 125 }); | |
| 126 | |
| 127 // Decode a valid file and verify that the promise is fulfilled and the succ
essCallback is | |
| 128 // invoked and both have identical decode audio buffers. | |
| 129 audit.defineTask("promise-and-success-callback", function (done) { | |
| 130 var request = new XMLHttpRequest(); | |
| 131 request.open("GET", validAudioFile, true); | |
| 132 request.responseType = "arraybuffer"; | |
| 133 | |
| 134 request.onload = function () { | |
| 135 var prefix = "Decoding valid file with promise and callback: "; | |
| 136 // The buffer returned by the success callback | |
| 137 var callbackBuffer; | |
| 138 // The buffer returned by the promise | |
| 139 var promiseBuffer; | |
| 140 | |
| 141 context.decodeAudioData(request.response, function (buffer) { | |
| 142 testPassed(prefix + "successCallback invoked correctly"); | |
| 143 callbackBuffer = buffer; | |
| 144 }, function (e) { | |
| 145 testFailed(prefix + "errorCallback incorrectly invoked with " + e); | |
| 146 }) | |
| 147 .then(function (buffer) { | |
| 148 testPassed(prefix + "Promise correctly fulfilled"); | |
| 149 promiseBuffer = buffer; | |
| 150 }, function (e) { | |
| 151 testFailed(prefix + "Promise incorrectly rejected with " + e); | |
| 152 }) | |
| 153 .then(function () { | |
| 154 if (promiseBuffer === callbackBuffer) | |
| 155 testPassed(prefix + "Promise and successCallback returned the same
buffer"); | |
| 156 else | |
| 157 testFailed(prefix + | |
| 158 "Promise and successCallback returned different buffers: " + | |
| 159 promiseBuffer + " " + callbackBuffer); | |
| 160 }) | |
| 161 .then(done); | |
| 162 }; | |
| 163 | |
| 164 request.send(); | |
| 165 }); | |
| 166 | |
| 167 // Decode an invalid file and verify that the promise is rejected and the er
rorCallback is | |
| 168 // invoked. | |
| 169 audit.defineTask("promise-and-error-callback", function(done) { | |
| 170 var request = new XMLHttpRequest(); | |
| 171 request.open("GET", invalidAudioFile, true); | |
| 172 request.responseType = "arraybuffer"; | |
| 173 | |
| 174 request.onload = function() { | |
| 175 var prefix = "Decoding invalid file with promise and callback:"; | |
| 176 | |
| 177 Should(prefix, context.decodeAudioData(request.response, function () { | |
| 178 testFailed(prefix + " successCallback invoked but should not have be
en"); | |
| 179 }, function (e) { | |
| 180 testPassed(prefix + " errorCallback invoked correctly with: " + e); | |
| 181 })).beRejected().then(done, done); | |
| 182 }; | |
| 183 | |
| 184 request.send(); | |
| 185 }); | |
| 186 | |
| 187 // Just load up a file so we can run decodeAudioData on it | |
| 188 audit.defineTask("load-data", function (done) { | |
| 189 var request = new XMLHttpRequest(); | |
| 190 request.open("GET", validAudioFile, true); | |
| 191 request.responseType = "arraybuffer"; | |
| 192 | |
| 193 request.onload = function () { | |
| 194 encodedAudioData = request.response; | |
| 195 done(); | |
| 196 }; | |
| 197 | |
| 198 request.send(); | |
| 199 }); | |
| 200 | |
| 201 // If the context is closing before decodeAudioData has finished decoding, w
e should reject the | |
| 202 // promise from decodeAudioData. | |
| 203 audit.defineTask("close-context-with-pending-decode", function (done) { | |
| 204 var onlineContext = new AudioContext(); | |
| 205 onlineContext.close() | |
| 206 .then(function () { | |
| 207 return context.decodeAudioData(encodedAudioData); | |
| 208 }) | |
| 209 .then(function (buffer) { | |
| 210 // Compare this buffer with the reference decoded buffer (that we ob
tained earlier). Pass | |
| 211 // if they're identical. | |
| 212 if (audioBuffersCompareEqual(buffer, referenceDecodedAudioBuffer)) | |
| 213 testPassed("Correctly decoded data after the context has been clos
ed"); | |
| 214 else | |
| 215 testFailed("decodeAudioData succeeded, but data is incorrect"); | |
| 216 }, | |
| 217 function (e) { | |
| 218 testFailed("Failed to decode valid file after context has been close
d: " + e); | |
| 219 }) | |
| 220 .then(done, done); | |
| 221 }); | |
| 222 | |
| 223 audit.defineTask("finish", function (done) { | |
| 224 finishJSTest(); | |
| 225 done(); | |
| 226 }); | |
| 227 | |
| 228 audit.runTasks(); | |
| 229 | |
| 230 successfullyParsed = true; | |
| 231 </script> | |
| 232 </body> | |
| 233 </html> | |
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Chromium Code Reviews
Issue 2581463002:
Refactor WebAudio test directory (Closed)
