1 files changed, 44 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webcodecs/audio-data.crossOriginIsolated.https.any.js b/testing/web-platform/tests/webcodecs/audio-data.crossOriginIsolated.https.any.js
new file mode 100644
index 0000000000..a5cb478670
--- /dev/null
+++ b/testing/web-platform/tests/webcodecs/audio-data.crossOriginIsolated.https.any.js
@@ -0,0 +1,44 @@
+// META: global=window
+// META: script=/common/media.js
+// META: script=/webcodecs/utils.js
+
+var defaultInit = {
+  timestamp: 1234,
+  channels: 2,
+  sampleRate: 8000,
+  frames: 1,
+};
+
+function testAudioData(useView) {
+  let localData =
+      new SharedArrayBuffer(defaultInit.channels * defaultInit.frames * 4);
+  let view = new Float32Array(localData);
+  view[0] = -1.0;
+  view[1] = 1.0;
+
+  let audio_data_init = {
+    timestamp: defaultInit.timestamp,
+    data: useView ? view : localData,
+    numberOfFrames: defaultInit.frames,
+    numberOfChannels: defaultInit.channels,
+    sampleRate: defaultInit.sampleRate,
+    format: 'f32-planar',
+  }
+
+  let data = new AudioData(audio_data_init);
+
+  let copyDest = new SharedArrayBuffer(data.allocationSize({planeIndex: 0}));
+  let destView = new Float32Array(copyDest);
+  data.copyTo(useView ? destView : copyDest, {planeIndex: 0});
+  assert_equals(destView[0], -1.0, 'copyDest[0]');
+  data.copyTo(useView ? destView : copyDest, {planeIndex: 1});
+  assert_equals(destView[0], 1.0, 'copyDest[1]');
+}
+
+test(t => {
+  testAudioData(/*useView=*/ false);
+}, 'Test construction and copyTo() using a SharedArrayBuffer');
+
+test(t => {
+  testAudioData(/*useView=*/ true);
+}, 'Test construction and copyTo() using a Uint8Array(SharedArrayBuffer)');