Add sleep method to Clock

Author: adazem009

src/engine/internal/clock.cpp

@@ -1,5 +1,7 @@
 // SPDX-License-Identifier: Apache-2.0
 
+#include <thread>
+
 #include "clock.h"
 
 using namespace libscratchcpp;
@@ -24,3 +26,8 @@ std::chrono::system_clock::time_point Clock::currentSystemTime() const
 {
     return std::chrono::system_clock::now();
 }
+
+void Clock::sleep(const std::chrono::milliseconds &time) const
+{
+    std::this_thread::sleep_for(time);
+}

src/engine/internal/clock.h

@@ -19,6 +19,8 @@ class Clock : public IClock
         std::chrono::steady_clock::time_point currentSteadyTime() const override;
         std::chrono::system_clock::time_point currentSystemTime() const override;
 
+        void sleep(const std::chrono::milliseconds &time) const override;
+
     private:
         static std::shared_ptr<Clock> m_instance;
 };

src/engine/internal/iclock.h

@@ -14,6 +14,8 @@ class IClock
 
         virtual std::chrono::steady_clock::time_point currentSteadyTime() const = 0;
         virtual std::chrono::system_clock::time_point currentSystemTime() const = 0;
+
+        virtual void sleep(const std::chrono::milliseconds &time) const = 0;
 };
 
 } // namespace libscratchcpp

test/mocks/clockmock.h

@@ -10,4 +10,6 @@ class ClockMock : public IClock
     public:
         MOCK_METHOD(std::chrono::steady_clock::time_point, currentSteadyTime, (), (const, override));
         MOCK_METHOD(std::chrono::system_clock::time_point, currentSystemTime, (), (const, override));
+
+        MOCK_METHOD(void, sleep, (const std::chrono::milliseconds &time), (const, override));
 };