1 files changed, 12 insertions, 0 deletions
diff --git a/devtools/server/tests/chrome/suspendTimeouts_worker.js b/devtools/server/tests/chrome/suspendTimeouts_worker.js
new file mode 100644
index 0000000000..e008f7d0d3
--- /dev/null
+++ b/devtools/server/tests/chrome/suspendTimeouts_worker.js
@@ -0,0 +1,12 @@
+"use strict";
+
+// Once content sends us a port connected to the mochitest, we simply echo every
+// message we receive back to content and the mochitest.
+onmessage = ({ data: { mochitestPort } }) => {
+  onmessage = ({ data }) => {
+    // Send a message to both content and the mochitest, which the main thread's
+    // event loop will attempt to deliver as step 2).
+    postMessage(`worker echo to content: ${data}`);
+    mochitestPort.postMessage(`worker echo to port: ${data}`);
+  };
+};