Create ex13.cpp

submission/exercise-13/jiseongYikm/ex13.cpp

@@ -0,0 +1,89 @@
+#include <iostream>
+
+#ifdef _MSC_VER
+#define MY_FUNCTION __FUNCSIG__ 
+#else
+#define MY_FUNCTION __PRETTY_FUNCTION__
+#endif
+
+int default_constructor_count = 0;
+int copy_constructor_count = 0;
+int move_constructor_count = 0;
+int copy_assign_operator_count = 0;
+int move_assign_operator_Count = 0;
+int destructor_count = 0;
+class MyApplication {
+ public:
+	 MyApplication() {
+		 std::cout << MY_FUNCTION << '\n';
+         default_constructor_count +=1;
+	 }
+
+	 MyApplication(const MyApplication&) {
+		 std::cout << MY_FUNCTION << '\n';
+         copy_constructor_count += 1;
+	 }
+
+	 MyApplication(MyApplication&&) noexcept {
+		 std::cout << MY_FUNCTION << '\n';
+         move_constructor_count += 1;
+	 }
+
+	 MyApplication& operator=(const MyApplication&) {
+		 std::cout << MY_FUNCTION << '\n';
+         copy_assign_operator_count += 1;
+		 return *this;
+	 }
+
+	 MyApplication& operator=(MyApplication&&) noexcept  {
+		 std::cout << MY_FUNCTION << '\n';
+         move_assign_operator_Count += 1;
+		 return *this;
+	 }
+
+	 ~MyApplication() {
+        destructor_count += 1;
+		 std::cout << MY_FUNCTION << '\n';
+	 }
+};
+
+void TestUniquePtr() {
+  // MyApplication 생성
+  auto p = std::make_unique<MyApplication>();
+
+  // MyApplication 이동
+  auto p2 = std::move(p);
+}
+
+void TestSharedPtr() {
+  // MyApplication 생성
+  auto p = std::make_shared<MyApplication>();
+
+  // sharedptr의 복사생성자 호출
+  auto p2 = p;
+
+  // p2 초기화
+  p2.reset();
+
+  // 약한 참조 객체 weak_ptr생성 (약한소유권)
+  std::weak_ptr<MyApplication> weak_p = p;
+
+  // shared_ptr반환
+  auto lock = weak_p.lock();
+  if (lock) {
+    std::cout << "Acquired ownership\n";
+  }
+}
+
+int main() {
+	// print: MyApplication::MyApplication()
+	MyApplication a;
+
+	// print: MyApplication::MyApplication(const MyApplication&)
+	MyApplication b = a;
+
+
+	// print: MyApplication::~MyApplication()   (b destroyed)
+	// print: MyApplication::~MyApplication()   (a destroyed)
+	return 0;
+}