encoded-audio-chunk.any.js (1899B)
1 // META: global=window,dedicatedworker 2 // META: script=/webcodecs/utils.js 3 4 test(t => { 5 let chunk = new EncodedAudioChunk({type: 'key', 6 timestamp: 10, 7 duration: 123, 8 data: new Uint8Array([0x0A, 0x0B, 0x0C])}); 9 assert_equals(chunk.type, 'key', 'type'); 10 assert_equals(chunk.timestamp, 10, 'timestamp'); 11 assert_equals(chunk.duration, 123, 'duration'); 12 assert_equals(chunk.byteLength, 3, 'byteLength'); 13 let copyDest = new Uint8Array(3); 14 chunk.copyTo(copyDest); 15 assert_equals(copyDest[0], 0x0A, 'copyDest[0]'); 16 assert_equals(copyDest[1], 0x0B, 'copyDest[1]'); 17 assert_equals(copyDest[2], 0x0C, 'copyDest[2]'); 18 19 // Make another chunk with different values for good measure. 20 chunk = new EncodedAudioChunk({type: 'delta', 21 timestamp: 100, 22 data: new Uint8Array([0x00, 0x01])}); 23 assert_equals(chunk.type, 'delta', 'type'); 24 assert_equals(chunk.timestamp, 100, 'timestamp'); 25 assert_equals(chunk.duration, null, 'missing duration'); 26 assert_equals(chunk.byteLength, 2, 'byteLength'); 27 copyDest = new Uint8Array(2); 28 chunk.copyTo(copyDest); 29 assert_equals(copyDest[0], 0x00, 'copyDest[0]'); 30 assert_equals(copyDest[1], 0x01, 'copyDest[1]'); 31 }, 'Test we can construct an EncodedAudioChunk.'); 32 33 test(t => { 34 let chunk = new EncodedAudioChunk({type: 'delta', 35 timestamp: 100, 36 data: new Uint8Array([0x00, 0x01, 0x02])}); 37 assert_throws_js( 38 TypeError, 39 () => chunk.copyTo(new Uint8Array(2)), 'destination is not large enough'); 40 41 const detached = makeDetachedArrayBuffer(); 42 assert_throws_js( 43 TypeError, 44 () => chunk.copyTo(detached), 'destination is detached'); 45 }, 'Test copyTo() exception if destination invalid');