1 files changed, 16 insertions, 0 deletions
diff --git a/dom/html/test/file_broadcast_load.html b/dom/html/test/file_broadcast_load.html
new file mode 100644
index 0000000000..ffae9c6536
--- /dev/null
+++ b/dom/html/test/file_broadcast_load.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<h1>file_broadcast_load.html</h1>
+<script>
+let channel = new BroadcastChannel("test");
+channel.onmessage = function(e) {
+  console.log("file_broadcast_load.html got message:", e.data);
+  if (e.data == "close") {
+    window.close();
+  }
+};
+
+addEventListener("load", function() {
+  console.log("file_broadcast_load.html loaded");
+  channel.postMessage("load");
+});
+</script>