1 files changed, 8 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webcodecs/video-decoder.https.any.js b/testing/web-platform/tests/webcodecs/video-decoder.https.any.js
index 77a610bd4e..5b3193b8c3 100644
--- a/testing/web-platform/tests/webcodecs/video-decoder.https.any.js
+++ b/testing/web-platform/tests/webcodecs/video-decoder.https.any.js
@@ -1,5 +1,9 @@
 // META: global=window,dedicatedworker
 // META: script=/webcodecs/utils.js
+//
+
+const detachedArrayBuffer = new ArrayBuffer(4);
+var b = detachedArrayBuffer.transferToFixedLength();
 
 const invalidConfigs = [
   {
@@ -10,6 +14,10 @@ const invalidConfigs = [
     comment: 'Empty codec',
     config: {codec: ''},
   },
+  {
+    comment: 'Valid codec, detached description',
+    config: {codec: 'vp8', description: detachedArrayBuffer},
+  },
 ];  // invalidConfigs
 
 invalidConfigs.forEach(entry => {