diff -r 000000000000 -r 6474c204b198 browser/devtools/commandline/test/browser_cmd_commands.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/commandline/test/browser_cmd_commands.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,61 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Test various GCLI commands
+
+const TEST_URI = "data:text/html;charset=utf-8,gcli-commands";
+
+function test() {
+  return Task.spawn(spawnTest).then(finish, helpers.handleError);
+}
+
+function spawnTest() {
+  let options = yield helpers.openTab(TEST_URI);
+  yield helpers.openToolbar(options);
+
+  let subjectPromise = helpers.observeOnce("web-console-created");
+
+  helpers.audit(options, [
+    {
+      setup: "console open",
+      exec: { }
+    }
+  ]);
+
+  let subject = yield subjectPromise;
+
+  subject.QueryInterface(Ci.nsISupportsString);
+  let hud = HUDService.getHudReferenceById(subject.data);
+  ok(hud, "console open");
+
+  let jstermExecute = helpers.promiseify(hud.jsterm.execute, hud.jsterm);
+  let msg = yield jstermExecute("pprint(window)");
+
+  ok(msg, "output for pprint(window)");
+
+  let oncePromise = hud.jsterm.once("messages-cleared");
+
+  helpers.audit(options, [
+    {
+      setup: "console clear",
+      exec: { output: "" }
+    }
+  ]);
+
+  yield oncePromise;
+
+  let labels = hud.outputNode.querySelectorAll(".message");
+  is(labels.length, 0, "no output in console");
+
+  yield helpers.audit(options, [
+    {
+      setup: "console close",
+      exec: { output: true }
+    }
+  ]);
+
+  ok(!HUDService.getHudReferenceById(hud.hudId), "console closed");
+
+  yield helpers.closeToolbar(options);
+  yield helpers.closeTab(options);
+}