encoded-video-chunk.any.js

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This WPT test may be referenced by the following Test IDs:
- /webcodecs/encoded-video-chunk.any.html - WPT Dashboard Interop Dashboard
- /webcodecs/encoded-video-chunk.any.worker.html - WPT Dashboard Interop Dashboard

// META: global=window,dedicatedworker

// META: script=/webcodecs/utils.js

test(t => {

  let chunk = new EncodedVideoChunk({type: 'key',

                                     timestamp: 10,

                                     duration: 300,

                                     data: new Uint8Array([0x0A, 0x0B, 0x0C])});

  assert_equals(chunk.type, 'key', 'type');

  assert_equals(chunk.timestamp, 10, 'timestamp');

  assert_equals(chunk.duration, 300, 'duration');

  assert_equals(chunk.byteLength, 3, 'byteLength');

  let copyDest = new Uint8Array(3);

  chunk.copyTo(copyDest);

  assert_equals(copyDest[0], 0x0A, 'copyDest[0]');

  assert_equals(copyDest[1], 0x0B, 'copyDest[1]');

  assert_equals(copyDest[2], 0x0C, 'copyDest[2]');

  // Make another chunk with different values for good measure.

  chunk = new EncodedVideoChunk({type: 'delta',

                                 timestamp: 100,

                                 data: new Uint8Array([0x00, 0x01])});

  assert_equals(chunk.type, 'delta', 'type');

  assert_equals(chunk.timestamp, 100, 'timestamp');

  assert_equals(chunk.duration, null, 'duration');

  assert_equals(chunk.byteLength, 2, 'byteLength');

  copyDest = new Uint8Array(2);

  chunk.copyTo(copyDest);

  assert_equals(copyDest[0], 0x00, 'copyDest[0]');

  assert_equals(copyDest[1], 0x01, 'copyDest[1]');

}, 'Test we can construct an EncodedVideoChunk.');

test(t => {

  let chunk = new EncodedVideoChunk({type: 'delta',

                                     timestamp: 100,

                                     data: new Uint8Array([0x00, 0x01, 0x02])});

  assert_throws_js(

    TypeError,

    () => chunk.copyTo(new Uint8Array(2)), 'destination is not large enough');

  const detached = makeDetachedArrayBuffer();

  assert_throws_js(

    TypeError,

    () => chunk.copyTo(detached), 'destination is detached');

}, 'Test copyTo() exception if destiation invalid');

test(t => {

  let chunk = new EncodedVideoChunk({type: 'key',

                                     timestamp: 10,

                                     duration: 300,

                                     data: new Uint8Array()});

  assert_equals(chunk.byteLength, 0, 'byteLength');

  let copyDest = new Uint8Array();

  chunk.copyTo(copyDest);

  assert_equals(copyDest.length, 0, 'copyDest.length');

}, 'Test we can construct an zero-sized EncodedVideoChunk.');