add useful functions for testing programs

tests/testutils.h

@@ -0,0 +1,29 @@
+/* -----------------------------------------------------------------------------
+ * The Cyberiada GraphML C++ library implemention
+ *
+ * The test
+ *
+ * Copyright (C) 2024 Alexey Fedoseev <aleksey@fedoseev.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/
+ * ----------------------------------------------------------------------------- */
+
+#ifndef CYBERIADA_TEST_UTILS
+#define CYBERIADA_TEST_UTILS
+
+#define CYB_ASSERT(q)   if (!(q)) {                                      \
+					        throw AssertException(std::string(__FILE__) + ":" + std::to_string(__LINE__)); \
+	                    }
+
+#endif