+ check_nodes (p, q, ignore_properties);
+}
+
+bool
+write_ref (XMLNode* node, string ref_file)
+{
+ XMLTree ref;
+ ref.set_root (node);
+ bool rv = ref.write (ref_file);
+ ref.set_root (0);
+ return rv;
+}
+
+void
+create_and_start_dummy_backend ()
+{
+ AudioEngine* engine = AudioEngine::create ();
+
+ CPPUNIT_ASSERT (AudioEngine::instance ());
+ CPPUNIT_ASSERT (engine);
+ CPPUNIT_ASSERT (engine->set_backend ("None (Dummy)", "", ""));
+
+ init_post_engine ();
+
+ CPPUNIT_ASSERT (engine->start () == 0);
+}
+
+void
+stop_and_destroy_backend ()
+{
+ AudioEngine::instance()->remove_session ();
+ AudioEngine::instance()->stop ();
+ AudioEngine::destroy ();
+}
+
+/** @param dir Session directory.
+ * @param state Session state file, without .ardour suffix.
+ */
+Session *
+load_session (string dir, string state)
+{
+ Session* session = new Session (*AudioEngine::instance(), dir, state);
+ AudioEngine::instance ()->set_session (session);
+ return session;
+}
+
+PBD::Searchpath
+test_search_path ()
+{
+#ifdef PLATFORM_WINDOWS
+ std::string wsp(windows_package_directory_path());
+ return Glib::build_filename (wsp, "ardour_testdata");
+#else
+ return Glib::getenv("ARDOUR_TEST_PATH");
+#endif
+}
+
+std::string
+new_test_output_dir (std::string prefix)
+{
+ return PBD::tmp_writable_directory (PACKAGE, prefix);
+}
+
+int
+get_test_sample_rate ()
+{
+ return 44100;