1 files changed, 60 insertions, 0 deletions

diff --git a/source/tests/02-luax/header.h b/source/tests/02-luax/header.h
new file mode 100644
index 0000000..386ae71
--- /dev/null
+++ b/source/tests/02-luax/header.h
@@ -0,0 +1,60 @@
+
+#ifndef ASSERT
+#ifdef NDEBUG
+#define ASSERT(x) { false ? (void)(x) : (void)0; }
+#else
+#ifdef _WIN32
+#define ASURA_DEBUG_BREAK() __debugbreak()
+#else
+#define ASURA_DEBUG_BREAK()  raise(SIGTRAP) 
+#endif
+#define ASSERT(x) do { const volatile bool asura_assert_b____ = !(x); if(asura_assert_b____) ASURA_DEBUG_BREAK(); } while (false)
+#endif
+#endif
+
+///
+/// �̳�Singleton�����ڵ�һ��ʵ����ʱ����ʵ����֮������ٴ�ʵ�����ᱨ����
+/// 
+template<class T>
+class Singleton
+{
+public:
+
+	static T* Get()
+	{
+		// ���֮ǰû�д�������������������һ��������
+		if (!instance) instance = new T;
+		// ����ʵ��
+		return instance;
+	}
+
+	static void Destroy()
+	{
+		delete instance;
+		instance = nullptr;
+	}
+
+protected:
+
+	Singleton()
+	{
+		// �����instance����ζ���ִ�����һ��ʵ�������Ǵ���ġ�
+		ASSERT(!instance);
+		// ���򣬽���ʵ����Ϊʵ��
+		instance = static_cast<T*>(this);
+	};
+
+	virtual ~Singleton() {};
+
+	static T* instance;
+
+private:
+
+	Singleton(const Singleton& singleton);
+
+	Singleton& operator = (const Singleton& singleton);
+
+};
+
+template<class T>
+T* Singleton<T>::instance = nullptr;