- Fixed some missing and erroneous testing logic for containers

- Lots of bug-fixing for containers
 - Performance optimization for containers

test/tests/containers/test_priority_queue.h

@@ -0,0 +1,56 @@
+// =====================================================================================================================
+//  fennec, a free and open source game engine
+//  Copyright © 2025  Medusa Slockbower
+//
+//  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 FENNEC_TEST_CONTAINERS_PRIORITY_QUEUE_H
+#define FENNEC_TEST_CONTAINERS_PRIORITY_QUEUE_H
+
+#include "../../test.h"
+
+#include <cstdlib>
+#include <fennec/containers/priority_queue.h>
+#include <fennec/containers/sequence.h>
+
+namespace fennec::test
+{
+
+	inline void fennec_test_containers_priority_queue() {
+
+		using type_t = decltype(rand());
+		sequence<type_t> ref;
+		priority_queue<type_t> test;
+
+		size_t n = 50;
+		for (size_t i = 0; i < n; ++i) {
+			type_t v = rand();
+			test.push(v);
+			ref.insert(v);
+		}
+
+		fennec_test_run(test.size(), n);
+
+		for (type_t x : ref) {
+			assert(x == test.front(), "Failed Priority Queue Test!");
+			test.pop();
+		}
+
+		std::cout << "passed" << std::endl;
+	}
+
+}
+
+#endif // FENNEC_TEST_CONTAINERS_PRIORITY_QUEUE_H