1 files changed, 9 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-worker.js b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-worker.js
new file mode 100644
index 0000000000..36369cde50
--- /dev/null
+++ b/testing/web-platform/tests/html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/resources/broadcastchannel-worker.js
@@ -0,0 +1,9 @@
+const channel = new BroadcastChannel("anne was here");
+channel.onmessage = ({ data }) => {
+  if(data === "hi" || data === "sw-success") {
+    return;
+  } else if(data instanceof SharedArrayBuffer) {
+    channel.postMessage("dw-success");
+  }
+}
+channel.postMessage("hi");