diff -r 000000000000 -r 6474c204b198 tools/profiler/tests/test_pause.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/profiler/tests/test_pause.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,35 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+function run_test() {
+  // If we can't get the profiler component then assume gecko was
+  // built without it and pass all the tests
+  var profilerCc = Cc["@mozilla.org/tools/profiler;1"];
+  if (!profilerCc)
+    return;
+
+  var profiler = profilerCc.getService(Ci.nsIProfiler);
+  if (!profiler)
+    return;
+
+  do_check_true(!profiler.IsActive());
+  do_check_true(!profiler.IsPaused());
+
+  profiler.StartProfiler(1000, 10, [], 0);
+
+  do_check_true(profiler.IsActive());
+
+  profiler.PauseSampling();
+
+  do_check_true(profiler.IsPaused());
+
+  profiler.ResumeSampling();
+
+  do_check_true(!profiler.IsPaused());
+
+  profiler.StopProfiler();
+  do_check_true(!profiler.IsActive());
+  do_check_true(!profiler.IsPaused());
+  do_test_finished();
+}