| OLD | NEW |
|---|
| (Empty) | |
| 1 <!doctype html> |
| 2 <html> |
| 3 <head> |
| 4 <title>Test decodeAudioData promises</title> |
| 5 |
| 6 <script src="../resources/js-test.js"></script> |
| 7 <script src="resources/compatibility.js"></script> |
| 8 <script src="resources/audio-testing.js"></script> |
| 9 </head> |
| 10 |
| 11 <body> |
| 12 <script> |
| 13 description("Basic tests for decodeAudioData promise."); |
| 14 |
| 15 window.jsTestIsAsync = true; |
| 16 |
| 17 var audit = Audit.createTaskRunner(); |
| 18 |
| 19 var context = new AudioContext(); |
| 20 var validAudioFile = "resources/media/24bit-44khz.wav"; |
| 21 var invalidAudioFile = "resources/media/invalid-audio-file.txt"; |
| 22 var encodedAudioData; |
| 23 |
| 24 // Test that a null audioBuffer causes the promise to be rejected with an In
validStateError. |
| 25 audit.defineTask("null-audiobuffer", function (done) { |
| 26 context.decodeAudioData(null).then(function () { |
| 27 testFailed("decodeAudioData(null) incorrectly resolved promise successfu
lly."); |
| 28 }, function (e) { |
| 29 testPassed("decodeAudioData(null) correctly rejected promise: " + e.toSt
ring()); |
| 30 }).then(done); |
| 31 }); |
| 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 // Decode a valid encoded file and verify that the promise succeeds correctl
y. |
| 50 audit.defineTask('decode-valid-file', function (done) { |
| 51 var url = validAudioFile; |
| 52 runDecode(url, |
| 53 function (buffer) { |
| 54 testPassed("Correctly succeeded in decoding " + url); |
| 55 }, |
| 56 function (e) { |
| 57 testFailed("Incorrectly failed to decode " + url + ": " + e.toString()
); |
| 58 }, done); |
| 59 }); |
| 60 |
| 61 // Decode a valid encoded file and verify that the promise is rejected corre
ctly. |
| 62 audit.defineTask("decode-invalid-file", function (done) { |
| 63 var url = invalidAudioFile; |
| 64 runDecode(url, |
| 65 function (buffer) { |
| 66 testFailed("Incorrectly succeeded in decoding " + url); |
| 67 }, |
| 68 function (e) { |
| 69 testPassed("Correctly failed to decode " + url + ": " + e.toString()); |
| 70 }, done); |
| 71 }); |
| 72 |
| 73 // Decode a valid file and verify that the promise is fulfilled and the succ
essCallback is |
| 74 // invoked and both have identical decode audio buffers. |
| 75 audit.defineTask("promise-and-success-callback", function (done) { |
| 76 var request = new XMLHttpRequest(); |
| 77 request.open("GET", validAudioFile, true); |
| 78 request.responseType = "arraybuffer"; |
| 79 |
| 80 request.onload = function () { |
| 81 var p; |
| 82 var prefix = "Decoding valid file: "; |
| 83 p = context.decodeAudioData(request.response, |
| 84 function (callbackBuffer) { |
| 85 p.then(function (promiseBuffer) { |
| 86 if (promiseBuffer == callbackBuffer) |
| 87 testPassed(prefix + "Promise and successCallback succeeded with
identical buffers"); |
| 88 else |
| 89 testFailed(prefix + "Promise and successCallback succeeded with
NON-identical buffers"); |
| 90 }).then(done); |
| 91 }, |
| 92 function (e) { |
| 93 p.then(function () { |
| 94 testFailed(prefix + "Promise fulfilled but errorCallback invoked!!
!"); |
| 95 }, function () { |
| 96 testFailed(prefix + "Expected decoding to succeed but promise reje
cted and errorCallback invoked!"); |
| 97 }).then(done); |
| 98 }); |
| 99 }; |
| 100 |
| 101 request.send(); |
| 102 }); |
| 103 |
| 104 // Decode an invalid file and verify that the promise is rejected and the er
rorCallback is |
| 105 // invoked. |
| 106 audit.defineTask("promise-and-error-callback", function (done) { |
| 107 var request = new XMLHttpRequest(); |
| 108 request.open("GET", invalidAudioFile, true); |
| 109 request.responseType = "arraybuffer"; |
| 110 |
| 111 request.onload = function () { |
| 112 var p; |
| 113 var prefix = "Decoding invalid file: "; |
| 114 p = context.decodeAudioData(request.response, |
| 115 function () { |
| 116 p.then(function () { |
| 117 testFailed(prefix + "Expected decoding to fail but promise fulfill
ed and successCallback invoked!!!"); |
| 118 }, function () { |
| 119 testFailed(prefix + "Expected decoding to fail but promise rejecte
d and successCallback invoked!!!"); |
| 120 }).then(done); |
| 121 }, |
| 122 function () { |
| 123 p.then(function () { |
| 124 testFailed(prefix + "Promise erroneously fulfilled but errorCallba
ck correctly invoked!!!"); |
| 125 }, function () { |
| 126 testPassed(prefix + "Promise correctly rejected and errorCallback
correctly invoked"); |
| 127 }).then(done); |
| 128 }); |
| 129 }; |
| 130 |
| 131 request.send(); |
| 132 }); |
| 133 |
| 134 // Just load up a file so we can run decodeAudioData on it |
| 135 audit.defineTask("load-data", function (done) { |
| 136 var request = new XMLHttpRequest(); |
| 137 request.open("GET", "resources/media/vbr-128kbps-44khz.m4a", true); |
| 138 request.responseType = "arraybuffer"; |
| 139 |
| 140 request.onload = function () { |
| 141 encodedAudioData = request.response; |
| 142 done(); |
| 143 }; |
| 144 |
| 145 request.send(); |
| 146 }); |
| 147 |
| 148 // If the context is closing before decodeAudioData has finished decoding, w
e should reject the |
| 149 // promise from decodeAudioData. |
| 150 audit.defineTask("close-context-with-pending-decode", function (done) { |
| 151 context.decodeAudioData(encodedAudioData).then(function () { |
| 152 testFailed("Expected context to close before decoding the audio data"); |
| 153 }, function (e) { |
| 154 testPassed("Correctly failed to decode: " + e); |
| 155 }).then(done); |
| 156 context.close(); |
| 157 }); |
| 158 |
| 159 audit.defineTask("finish", function (done) { |
| 160 finishJSTest(); |
| 161 done(); |
| 162 }); |
| 163 |
| 164 audit.runTasks( |
| 165 "null-audiobuffer", |
| 166 "decode-valid-file", |
| 167 "decode-invalid-file", |
| 168 "promise-and-success-callback", |
| 169 "promise-and-error-callback", |
| 170 "load-data", |
| 171 "close-context-with-pending-decode", |
| 172 "finish" |
| 173 ); |
| 174 |
| 175 successfullyParsed = true; |
| 176 </script> |
| 177 </body> |
| 178 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1006963003:
AudioContext.decodeAudioData returns a Promise (Closed)
Base URL: svn://svn.chromium.org/blink/trunk