public void Common()
{
var obj = new ClassOne();
var code = obj.GetHashCode();
obj = new ClassOne();
var code2 = obj.GetHashCode();
Assert.AreEqual(code, code2);
obj = new ClassOne("哈哈");
var code3 = obj.GetHashCode();
var obj1 = new ClassOne("嘿嘿");
var code4 = obj1.GetHashCode();
Assert.AreNotEqual(code3, code4);
var obj2 = new ClassOne("嘿嘿");
var code5 = obj2.GetHashCode();
Assert.AreEqual(code4, code5);
Assert.IsTrue(obj1.Equals(obj2));
Assert.IsFalse(obj.Equals(obj2));
}