1 files changed, 37 insertions, 0 deletions
diff --git a/dom/xhr/tests/worker_bug1300552.js b/dom/xhr/tests/worker_bug1300552.js
new file mode 100644
index 0000000000..d874f32c8d
--- /dev/null
+++ b/dom/xhr/tests/worker_bug1300552.js
@@ -0,0 +1,37 @@
+function info(msg) {
+  postMessage({ type: "info", msg });
+}
+
+function ok(a, msg) {
+  postMessage({ type: "check", what: !!a, msg });
+}
+
+function finish() {
+  postMessage({ type: "finish" });
+}
+
+info("Creating XHR...");
+var xhr = new XMLHttpRequest();
+xhr.open("POST", "echo.sjs");
+xhr.responseType = "arraybuffer";
+
+info("Sending some data...");
+var data = new Array(256).join("1234567890ABCDEF");
+xhr.send({
+  toString() {
+    return data;
+  },
+});
+
+var aborted = false;
+
+xhr.onprogress = function () {
+  info("Onprogress, we abort!");
+  aborted = true;
+  xhr.abort();
+};
+
+xhr.onloadend = function () {
+  ok(aborted, "We are still alive after an abort()!");
+  finish();
+};