1 files changed, 22 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fs/resources/message-target.html b/testing/web-platform/tests/fs/resources/message-target.html
new file mode 100644
index 0000000000..32c7f0c56c
--- /dev/null
+++ b/testing/web-platform/tests/fs/resources/message-target.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<script src='test-helpers.js'></script>
+<script src='messaging-serialize-helpers.js'></script>
+<script src='message-target.js'></script>
+<script id="inline_script">
+  'use strict'
+
+  if (window.parent !== null) {
+    window.parent.postMessage('LOADED', { targetOrigin: '*' });
+  }
+
+  if (window.opener !== null) {
+    window.opener.postMessage('LOADED', { targetOrigin: '*' });
+  }
+
+  // Use an undefined message target to send responses to
+  // MessageEvent::source instead.
+  const target = undefined;
+
+  add_message_event_handlers(
+    /*receiver=*/self, target, /*target_origin=*/'*');
+</script>
+\ No newline at end of file