add lpstd::testing

lpstd.hpp

@@ -3,5 +3,6 @@
 #define __LPSTD_HPP__
 
 #include "src/singleton.hpp"
+#include "src/testing/testing.hpp"
 
 #endif // __LPSTD_HPP__

src/testing/testing.hpp

@@ -0,0 +1,149 @@
+
+#include <iostream>
+#include <functional>
+
+#ifdef _WIN32
+#include <cstdio>
+#include <windows.h>
+#endif
+
+namespace lpstd
+{
+    namespace testing
+    {
+
+        template <typename T>
+        class Expect
+        {
+        public:
+            Expect(T value)
+            {
+
+#ifdef _WIN32
+                // Set console code page to UTF-8 so console known how to interpret string data
+                SetConsoleOutputCP(CP_UTF8);
+
+                // Enable buffering to prevent VS from chopping up UTF-8 byte sequences
+                setvbuf(stdout, nullptr, _IOFBF, 1000);
+#endif
+
+                this->value = value;
+            }
+
+            bool toBe(T expected)
+            {
+                bool result = this->value == expected;
+                if (result)
+                {
+                    std::cout << "✅ Expected " << this->value << " to be " << expected << std::endl;
+                }
+                else
+                {
+                    std::cout << "❌ Expected " << expected << " but got " << this->value << std::endl;
+                }
+                return result;
+            }
+
+            bool toBeGreaterThan(T expected)
+            {
+                bool result = this->value > expected;
+                if (result)
+                {
+                    std::cout << "✅ Expected " << this->value << " to be greater than " << expected << std::endl;
+                }
+                else
+                {
+                    std::cout << "❌ Expected " << this->value << " to be greater than " << expected << std::endl;
+                }
+
+                return result;
+            }
+
+            bool toBeLessThan(T expected)
+            {
+                bool result = this->value < expected;
+                if (result)
+                {
+                    std::cout << "✅ Expected " << this->value << " to be less than " << expected << std::endl;
+                }
+                else
+                {
+                    std::cout << "❌ Expected " << this->value << " to be less than " << expected << std::endl;
+                }
+                return result;
+            }
+
+            bool toBeTrue()
+            {
+                bool result = this->value;
+                if (result)
+                {
+                    std::cout << "✅ Expected " << this->value << " to be true" << std::endl;
+                }
+                else
+                {
+                    std::cout << "❌ Expected " << this->value << " to be true" << std::endl;
+                }
+                return result;
+            }
+
+            bool toBeFalse()
+            {
+                bool result = !this->value;
+                if (result)
+                {
+                    std::cout << "✅ Expected " << this->value << " to be false" << std::endl;
+                }
+                else
+                {
+                    std::cout << "❌ Expected " << this->value << " to be false" << std::endl;
+                }
+                return result;
+            }
+
+            bool toBeCloseTo(T expected, T delta = 0.01)
+            {
+                bool result = this->value >= expected - delta && this->value <= expected + delta;
+                if (result)
+                {
+                    std::cout << "✅ Expected " << this->value << " to be close to " << expected << std::endl;
+                }
+                else
+                {
+                    std::cout << "❌ Expected " << this->value << " to be close to " << expected << std::endl;
+                }
+                return result;
+            }
+
+        private:
+            T value;
+        };
+
+        template <typename T>
+        Expect<T> expect(T value)
+        {
+            return Expect<T>(value);
+        }
+
+        // void test(std::string description, void (*test)())
+        // {
+        //     std::cout << description << std::endl;
+        //     test();
+        // }
+
+        // Custom test function to execute a single test case
+        void test(std::string description, std::function<void()> testCase)
+        {
+            std::cout << description << std::endl;
+            testCase();
+        }
+
+        // Custom describe function to group related test cases
+        void describe(std::string description, std::function<void()> testSuite)
+        {
+            std::cout << "Describing " << description << std::endl;
+            testSuite();
+        }
+
+    }
+}