public void AreSingletonHashcodesSame()
{
LazySingleton firstInstance = LazySingleton.getInstance();
LazySingleton secondInstance = LazySingleton.getInstance();
Assert.AreEqual(firstInstance.GetHashCode(), secondInstance.GetHashCode());
}
public void AreSingletonInstancesSame()
{
LazySingleton firstInstance = LazySingleton.getInstance();
LazySingleton secondInstance = LazySingleton.getInstance();
Assert.AreSame(firstInstance, secondInstance);
}
public void CheckCounter()
{
LazySingleton firstInstance = LazySingleton.getInstance();
firstInstance = LazySingleton.getInstance();
Assert.AreEqual(1, firstInstance.getCounter());
}
static void Main(string[] args)
{
Console.WriteLine("饿汉式单例模式");
Console.WriteLine();
//通过new实例化会报错
Singleton g = new Singleton();
//只能通过getInstance得到对象
Singleton g1 = Singleton.getInstance();
Console.ReadKey();
Console.WriteLine("懒汉式单例模式");
Console.WriteLine();
Console.WriteLine("单线程环境");
for (int i = 0; i < 10; i++)
{
LazySingleton singleton = LazySingleton.getInstance();
}
Console.ReadKey();
}