1 files changed, 15 insertions, 0 deletions
diff --git a/dom/workers/test/timeoutTracing_worker.js b/dom/workers/test/timeoutTracing_worker.js
new file mode 100644
index 0000000000..0a0c6d6fdf
--- /dev/null
+++ b/dom/workers/test/timeoutTracing_worker.js
@@ -0,0 +1,15 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+onmessage = function (event) {
+  throw "No messages should reach me!";
+};
+
+setInterval(function () {
+  postMessage("Still alive!");
+}, 20);
+setInterval(";", 20);
+
+postMessage("Begin!");