public void ShouldReturnTheSameInstance()
{
var first = SingleObject.getInstance();
var second = SingleObject.getInstance();
Assert.Same(first, second);
first.SomeValue++;
Assert.Equal(first.SomeValue, second.SomeValue);
second.SomeValue++;
Assert.Equal(first.SomeValue, second.SomeValue);
}
private void btSingletonPattern_Click(object sender, EventArgs e)
{
string str = "";
//不合法的构造函数
//编译时错误：构造函数 SingleObject() 是不可见的
//SingleObject object = new SingleObject();
//获取唯一可用的对象
SingleObject o = SingleObject.getInstance();
//显示消息
str = o.showMessage();
tbOutWindow.Text = str;
}
