1 files changed, 28 insertions, 0 deletions
diff --git a/dom/workers/test/csp_worker.js b/dom/workers/test/csp_worker.js
new file mode 100644
index 0000000000..63b3adeaf3
--- /dev/null
+++ b/dom/workers/test/csp_worker.js
@@ -0,0 +1,28 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+onmessage = function(event) {
+  if (event.data.do == "eval") {
+    var res;
+    try {
+      res = eval("40+2");
+    }
+    catch(ex) {
+      res = ex+"";
+    }
+    postMessage(res);
+  }
+  else if (event.data.do == "nest") {
+    var worker = new Worker(event.data.uri);
+    if (--event.data.level) {
+      worker.postMessage(event.data);
+    }
+    else {
+      worker.postMessage({ do: "eval" });
+    }
+    worker.onmessage = (e) => {
+      postMessage(e.data);
+    }
+  }
+}