1 files changed, 45 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webcodecs/encoded-audio-chunk.any.js b/testing/web-platform/tests/webcodecs/encoded-audio-chunk.any.js
new file mode 100644
index 0000000000..1ada120e4d
--- /dev/null
+++ b/testing/web-platform/tests/webcodecs/encoded-audio-chunk.any.js
@@ -0,0 +1,45 @@
+// META: global=window,dedicatedworker
+// META: script=/webcodecs/utils.js
+
+test(t => {
+  let chunk = new EncodedAudioChunk({type: 'key',
+                                     timestamp: 10,
+                                     duration: 123,
+                                     data: new Uint8Array([0x0A, 0x0B, 0x0C])});
+  assert_equals(chunk.type, 'key', 'type');
+  assert_equals(chunk.timestamp, 10, 'timestamp');
+  assert_equals(chunk.duration, 123, '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 EncodedAudioChunk({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, 'missing 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 EncodedAudioChunk.');
+
+test(t => {
+  let chunk = new EncodedAudioChunk({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 destination invalid');