System.Attribute.GetHashCode C# (CSharp) Method

        public override int GetHashCode()
        {
            Type type = GetType();

            FieldInfo[] fields = type.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
            Object vThis = null;

            for(int i = 0; i < fields.Length; i++) 
            {
                FieldInfo field = fields[i];

                vThis = field.GetValue(this);

                if (vThis != null)
                    break;
            }

            if (vThis != null)
                return vThis.GetHashCode();

            return type.GetHashCode();
        }
        #endregion

        public static void Equals(Attribute attr1, object obj, bool expected, bool hashEqualityExpected)
        {
            Assert.Equal(expected, attr1.Equals(obj));

            Attribute attr2 = obj as Attribute;
            if (attr2 != null)
            {
                Assert.Equal(hashEqualityExpected, attr1.GetHashCode() == attr2.GetHashCode());
            }
        }