1 files changed, 11 insertions, 0 deletions
diff --git a/dom/xhr/tests/xhr_worker_doubleSend.js b/dom/xhr/tests/xhr_worker_doubleSend.js
new file mode 100644
index 0000000000..1ecf28e57c
--- /dev/null
+++ b/dom/xhr/tests/xhr_worker_doubleSend.js
@@ -0,0 +1,11 @@
+var xhr = new XMLHttpRequest();
+xhr.open("POST", "worker_testXHR.txt");
+xhr.send();
+try {
+  xhr.send();
+  postMessage("KO double send should fail");
+} catch (e) {
+  postMessage(
+    e.name === "InvalidStateError" ? "OK" : "KO InvalidStateError expected"
+  );
+}