diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8622d1d..b7dd7f0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 3.10)
 project(NBEngine VERSION 0.1.0 LANGUAGES C CXX)
 
+cmake_policy(SET CMP0135 NEW)
+
 if(CMAKE_BUILD_TYPE STREQUAL "Release")
     message(STATUS "Targeting Release build")
     set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ./release)
@@ -33,6 +35,7 @@ set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
 
 if(NB_BUILD_TESTS)
     message(STATUS "Building tests")
+    enable_testing()
     include(FetchContent)
     FetchContent_Declare(
         gtest
diff --git a/engine/NBCore/Logger.hpp b/engine/NBCore/Logger.hpp
index 17f4939..f31562e 100644
--- a/engine/NBCore/Logger.hpp
+++ b/engine/NBCore/Logger.hpp
@@ -7,6 +7,7 @@
 #include <ostream>
 #include <thread>
 #include <unordered_map>
+#include <vector>
 
 #include "Processes.hpp"
 #include "ThreadSafeQueue.hpp"
@@ -30,14 +31,23 @@ struct LogEvent{
 typedef std::string (*LogProcessFunction)(const LoggerTimePoint&, const std::string&);
 typedef std::unordered_map<uint8_t, LogProcessFunction> LogProcessFunctionMap;
 
-template<typename LoggerName>
-class Logger {
+template<typename LoggerName, typename ST=std::ostream>
+class LoggerBase {
 public:
     using Type = LoggerName;
+    using StreamType = ST;
 
-    Logger(std::ostream& stream) : _ostream(&stream) {}
+    LoggerBase(StreamType& stream) : _ostreams({&stream}) {}
+    LoggerBase(const LoggerBase&) = delete;
+    LoggerBase(LoggerBase&&) = delete;
 
-    bool isRunning() const {
+    LoggerBase& operator=(const LoggerBase&) = delete;
+
+    ~LoggerBase() {
+        stop();
+    }
+
+    bool isRunning() const noexcept {
         return _running && bool(_runningThread);
     }
 
@@ -46,9 +56,10 @@ public:
     }
     
     bool run() {
-        auto this_type = static_cast<Type*>(this);
         if (!isRunning()) {
+            _running = true;
             _runningThread = std::make_shared<std::thread>([&]{
+                auto this_type = static_cast<Type*>(this);
                 while(this_type->isRunning()) {
                     this_type->flush();
                 }
@@ -57,7 +68,7 @@ public:
         return isRunning();
     }
 
-    bool stop() {
+    bool stop() noexcept {
         if (isRunning()) {
             _running = false;
             _runningThread->join();
@@ -74,7 +85,7 @@ public:
         return *event;
     }
     
-    void flush() {
+    void flush() noexcept {
         while(_queue.size()) {
             pop();
         }
@@ -93,33 +104,38 @@ public:
             lvl,
             msg,
             std::this_thread::get_id(),
-            get_pid(),
+            GetPID(),
         });
     }
 
+    template <size_t N>
+    void log(char const(&msg) [N], const uint8_t& lvl) {
+        static_cast<Type*>(this)->log(std::string(msg), lvl);
+    }
+
     void log(const std::exception& err, const uint8_t& lvl) {
         _queue.push(LogEvent{
             std::chrono::system_clock::now(),
             lvl,
             err.what(),
             std::this_thread::get_id(),
-            get_pid(),
+            GetPID(),
         });
     }
 
     void msg(const std::string& msg, const uint8_t& lvl=0x00) {
-        static_cast<Type>(this)->log(msg, lvl);
+        static_cast<Type*>(this)->log(msg, lvl);
     }
 
     void warn(const std::string& msg, const uint8_t& lvl=0x01) {
-        static_cast<Type>(this)->log(msg, lvl);
+        static_cast<Type*>(this)->log(msg, lvl);
     }
     void warn(const std::exception& err, const uint8_t lvl=0x01) {
-        static_cast<Type>(this)->log(err, lvl);
+        static_cast<Type*>(this)->log(err, lvl);
     }
 
     void error(const std::string& msg, const uint8_t lvl=0xFF) {
-        static_cast<Type>(this)->log(msg, lvl);
+        static_cast<Type*>(this)->log(msg, lvl);
     }
     void error(const std::exception& err, const uint8_t lvl=0xFF) {
         static_cast<Type*>(this)->log(err, lvl);
@@ -129,18 +145,18 @@ protected:
     void process(const LogEvent&);
 
     ThreadsafeQueue<LogEvent> _queue;
-    std::ostream* const _ostream;
+    std::vector<StreamType*> const _ostreams;
     std::atomic<bool> _running;
     std::shared_ptr<std::thread> _runningThread = nullptr;
 };
 
-class BasicLogger : public Logger<BasicLogger> {
+class BasicLogger : public LoggerBase<BasicLogger> {
 public:
-    using Base = Logger<BasicLogger>;
+    using Base = LoggerBase<BasicLogger>;
     BasicLogger(std::ostream& stream) : Base(stream) {}
 
     virtual void process(const LogEvent& event) {
-        *_ostream << event.msg << "\n";
+        *_ostreams[0] << event.msg << "\n";
     }
 };
 
diff --git a/engine/NBCore/Processes.hpp b/engine/NBCore/Processes.hpp
index 69b6e38..87ee029 100644
--- a/engine/NBCore/Processes.hpp
+++ b/engine/NBCore/Processes.hpp
@@ -6,7 +6,7 @@
 
 namespace nb {
 
-uint64_t get_pid();
+uint64_t GetPID();
 
 } // namespace nb
 
diff --git a/engine/NBCore/Types.hpp b/engine/NBCore/Types.hpp
new file mode 100644
index 0000000..d5409df
--- /dev/null
+++ b/engine/NBCore/Types.hpp
@@ -0,0 +1,21 @@
+#pragma once
+#ifndef _NB_CORE_TYPES
+#define _NB_CORE_TYPES
+
+namespace nb {
+
+template<typename T>
+T swapEndian(const T& val) {
+    T ret;
+    const int size = sizeof(T);
+    auto retLoc = static_cast<void*>(&ret);
+    auto valLoc = static_cast<const void*>(&val);
+
+    for (int i = 0; i < size; ++i) {
+        memcpy(retLoc+i, valLoc+(size-i-1), 1);
+    }
+    return ret;
+}
+    
+} // namespace nb
+#endif // _NB_CORE_TYPES
\ No newline at end of file
diff --git a/engine/NBCore/src/Processes.cpp b/engine/NBCore/src/Processes.cpp
index 3eeabf3..28fa0bc 100644
--- a/engine/NBCore/src/Processes.cpp
+++ b/engine/NBCore/src/Processes.cpp
@@ -7,15 +7,13 @@
 #endif // _TARGET_LINUX
 
 #include "Processes.hpp"
+#include "Types.hpp"
 
 namespace nb {
 
 #ifdef _TARGET_WINDOWS
-uint64_t get_pid() {
-    const auto pid_w = GetCurrentProcessId();
-    uint64_t ret;
-    memcpy(&ret, &pid_w, sizeof(pid_w));
-    return ret;
+uint64_t GetPID() {
+    return GetCurrentProcessId();
 }
 #endif // _TARGET_WINDOWS
 
diff --git a/engine/NBCore/tests/CMakeLists.txt b/engine/NBCore/tests/CMakeLists.txt
index 54832c1..ae3f5b4 100644
--- a/engine/NBCore/tests/CMakeLists.txt
+++ b/engine/NBCore/tests/CMakeLists.txt
@@ -1,5 +1,16 @@
 cmake_minimum_required(VERSION 3.26.0)
 project(gtest_Graphics VERSION 0.1.0 LANGUAGES C CXX)
 
-add_subdirectory(./ErrorTest)
-add_subdirectory(./ProcessTest)
\ No newline at end of file
+include(GoogleTest)
+
+if (NB_BUILD_TESTS)
+    add_executable(TestCore
+        testErrors.cpp
+        testProcesses.cpp
+    )
+    target_link_libraries(TestCore
+        NBCore
+        GTest::gtest_main
+    )
+    gtest_discover_tests(TestCore)
+endif()
\ No newline at end of file
diff --git a/engine/NBCore/tests/ErrorTest/CMakeLists.txt b/engine/NBCore/tests/ErrorTest/CMakeLists.txt
deleted file mode 100644
index 58426d1..0000000
--- a/engine/NBCore/tests/ErrorTest/CMakeLists.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-cmake_minimum_required(VERSION 3.26.0)
-project(gtest_Graphics VERSION 0.1.0 LANGUAGES C CXX)
-
-add_executable(ErrorTest main.cpp)
-target_link_libraries(ErrorTest NBCore)
\ No newline at end of file
diff --git a/engine/NBCore/tests/ErrorTest/main.cpp b/engine/NBCore/tests/ErrorTest/main.cpp
deleted file mode 100644
index 04643a8..0000000
--- a/engine/NBCore/tests/ErrorTest/main.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-#define CODE_ERROR_LOCATIONS
-
-#include "Errors.hpp"
-#include <iostream>
-#include "Logger.hpp"
-
-using namespace nb;
-
-class TestError : public ErrorBase<TestError> {
-public:    
-    using ErrorBase<TestError>::ErrorBase;
-
-    enum ErrorCodes : unsigned int {
-        A, B, C, D
-    };
-    static const std::string type;
-    static const ErrorCodeMap ErrorMessages;
-};
-
-const std::string TestError::type="TestError";
-const ErrorCodeMap TestError::ErrorMessages{
-    {TestError::ErrorCodes::A, "Hey!"},
-    {TestError::ErrorCodes::B, "How"},
-    {TestError::ErrorCodes::C, "You"},
-    {TestError::ErrorCodes::D, "Doin"}
-};
-
-int main() {
-    try {
-        try {
-            try {
-                try {
-                    THROW(TestError, TestError::ErrorCodes::D);
-                } catch (const std::exception& e){
-                    THROW(TestError, TestError::ErrorCodes::C, e);
-                }
-            } catch(const std::exception& e) {
-                THROW(TestError, TestError::ErrorCodes::B, e);
-            }
-        } catch(const std::exception& e) {
-            THROW(TestError, TestError::ErrorCodes::A, e);
-        }
-    } catch(const std::exception& e) {
-        // THROW(Error, Error::ErrorCodes::UNDEFINED, e);
-        BasicLogger log(std::cout);
-        std::cout << "Logger is starting: " << log.run() << std::endl;
-        std::cout << "Logger is running: " << log.isRunning() << std::endl;
-        log.error(e);
-        log.stop();
-        std::cout << "Logger is running: " << log.isRunning() << std::endl;
-    }
-
-    return 0;
-}
\ No newline at end of file
diff --git a/engine/NBCore/tests/ProcessTest/CMakeLists.txt b/engine/NBCore/tests/ProcessTest/CMakeLists.txt
deleted file mode 100644
index 32ab7d8..0000000
--- a/engine/NBCore/tests/ProcessTest/CMakeLists.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-cmake_minimum_required(VERSION 3.26.0)
-project(gtest_Graphics VERSION 0.1.0 LANGUAGES C CXX)
-
-add_executable(ProcessTest main.cpp)
-target_link_libraries(ProcessTest NBCore)
\ No newline at end of file
diff --git a/engine/NBCore/tests/testErrors.cpp b/engine/NBCore/tests/testErrors.cpp
new file mode 100644
index 0000000..8b45b97
--- /dev/null
+++ b/engine/NBCore/tests/testErrors.cpp
@@ -0,0 +1,45 @@
+#define CODE_ERROR_LOCATIONS
+
+#include "Errors.hpp"
+#include <gtest/gtest.h>
+#include <iostream>
+#include "Logger.hpp"
+
+using namespace nb;
+
+class TestError : public ErrorBase<TestError> {
+public:    
+    using ErrorBase<TestError>::ErrorBase;
+
+    enum ErrorCodes : unsigned int {
+        A, B, C, D
+    };
+    static const std::string type;
+    static const ErrorCodeMap ErrorMessages;
+};
+
+const std::string TestError::type="TestError";
+const ErrorCodeMap TestError::ErrorMessages{
+    {TestError::ErrorCodes::A, "Hey!"},
+    {TestError::ErrorCodes::B, "How"},
+    {TestError::ErrorCodes::C, "You"},
+    {TestError::ErrorCodes::D, "Doin"}
+};
+
+class TestLogger : public nb::LoggerBase<TestLogger> {
+public:
+    using Base = LoggerBase<TestLogger>;
+    using Base::Base;
+
+    virtual void process(const LogEvent& event) {
+        *_ostreams[0] << event.pid << " : " << event.msg << std::endl;
+    }
+};
+
+TEST(ErrorTest, Test) {
+    EXPECT_EQ(1, 1);
+
+    TestLogger log(std::cout);
+    ASSERT_TRUE(log.run());
+    log.msg("Hey!");
+}
\ No newline at end of file
diff --git a/engine/NBCore/tests/ProcessTest/main.cpp b/engine/NBCore/tests/testProcesses.cpp
similarity index 56%
rename from engine/NBCore/tests/ProcessTest/main.cpp
rename to engine/NBCore/tests/testProcesses.cpp
index f7ca564..a7dd592 100644
--- a/engine/NBCore/tests/ProcessTest/main.cpp
+++ b/engine/NBCore/tests/testProcesses.cpp
@@ -1,17 +1,22 @@
 #define CODE_ERROR_LOCATIONS
 
+#include <gtest/gtest.h>
 
 #include <iostream>
 #include "Processes.hpp"
 #include <Windows.h>
 
-int main() {
+TEST(ProcessesTest, GetPID) {
+    ASSERT_EQ(nb::GetPID(), GetCurrentProcessId());
+}
 
-    std::cout << "nb::get_pid() -> " << nb::get_pid() << std::endl;
+/* int main() {
+
+    std::cout << "nb::GetPID() -> " << nb::GetPID() << std::endl;
 
     #ifdef _TARGET_WINDOWS
     std::cout << "GetCurrentProcessId() -> " << GetCurrentProcessId() << std::endl; 
     #endif // _TARGET_WINDOWS
 
     return 0;
-}
\ No newline at end of file
+} */
\ No newline at end of file