diff --git a/src/test/tests.h b/src/test/tests.h
new file mode 100644
index 0000000..76bb698
--- /dev/null
+++ b/src/test/tests.h
@@ -0,0 +1,56 @@
+#pragma once
+
+#include <vector>
+
+/*
+	test implementation interface
+*/
+class ITest
+{
+    public:
+        ITest();
+        virtual ~ITest() = default;
+
+    protected:
+        virtual void run() = 0;
+
+        friend class TestRunner;
+};
+
+/*
+	test runner singleton class
+*/
+class TestRunner
+{
+    public:
+        void runTests()
+        {
+            for (auto& test : _tests)
+                test->run();
+        }
+
+        static TestRunner& get()
+        {
+            static TestRunner instance;
+            return instance;
+        }
+
+    protected:
+        void registerTest(ITest* test) { _tests.push_back(test); }
+        friend class ITest;
+
+    private:
+        TestRunner();
+        TestRunner(const TestRunner&) = delete;
+        TestRunner& operator=(const TestRunner&) = delete;
+
+        std::vector<ITest*> _tests;
+};
+
+/*
+    test cctor
+*/
+inline ITest::ITest()
+{
+    TestRunner::get().registerTest(this);
+}