1 files changed, 36 insertions, 0 deletions
diff --git a/devtools/server/tracer/tests/browser/WorkerDebugger.tracer.js b/devtools/server/tracer/tests/browser/WorkerDebugger.tracer.js
new file mode 100644
index 0000000000..bd6e646b3b
--- /dev/null
+++ b/devtools/server/tracer/tests/browser/WorkerDebugger.tracer.js
@@ -0,0 +1,36 @@
+"use strict";
+
+/* global global, loadSubScript */
+
+try {
+  // For some reason WorkerDebuggerGlobalScope.global doesn't expose JS variables
+  // and we can't call via global.foo(). Instead we have to go throught the Debugger API.
+  const dbg = new Debugger(global);
+  const [debuggee] = dbg.getDebuggees();
+
+  /* global startTracing, stopTracing, addTracingListener, removeTracingListener */
+  loadSubScript("resource://devtools/server/tracer/tracer.jsm");
+  const frames = [];
+  const listener = {
+    onTracingFrame(args) {
+      frames.push(args);
+
+      // Return true, to also log the trace to stdout
+      return true;
+    },
+  };
+  addTracingListener(listener);
+  startTracing({ global, prefix: "testWorkerPrefix" });
+
+  debuggee.executeInGlobal("foo()");
+
+  stopTracing();
+  removeTracingListener(listener);
+
+  // Send the frames to the main thread to do the assertions there.
+  postMessage(JSON.stringify(frames));
+} catch (e) {
+  dump(
+    "Exception while running debugger test script: " + e + "\n" + e.stack + "\n"
+  );
+}