1 files changed, 22 insertions, 0 deletions
diff --git a/dom/tests/mochitest/whatwg/file_structuredCloneAndExposed.sjs b/dom/tests/mochitest/whatwg/file_structuredCloneAndExposed.sjs
new file mode 100644
index 0000000000..e352078e2a
--- /dev/null
+++ b/dom/tests/mochitest/whatwg/file_structuredCloneAndExposed.sjs
@@ -0,0 +1,22 @@
+"use strict";
+
+function handleRequest(request, response) {
+  let query = new URLSearchParams(request.queryString);
+
+  response.setHeader("Content-Type", "application/javascript");
+
+  let content = `function installListeners(input, target) {
+    input.addEventListener("message", () => {
+      target.postMessage(true, { targetOrigin: "*" });
+    });
+    input.addEventListener("messageerror", () => {
+      target.postMessage(false, { targetOrigin: "*" });
+    });
+    target.postMessage("Inited", { targetOrigin: "*" });
+  }
+
+  ${query.get("additionalScript")}
+  `;
+
+  response.write(content);
+}