LinqStudy/LinqStudy.Test/LinqToObject/ConcatTest.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

using Xunit;
using LinqStudy;

namespace LinqStudy.Test.LinqToObject
{
    ///<summary>
    /// 串联操作
    ///<summary>
    public class ConcatTest
    {
        ///<summary>
        /// Concat：将两个序列合并成一个序列，不去重。与Union不同。
        ///<summary>
        public void Concat_Test()
        {
            List<Person> peoples1 = new List<Person>()
            {
                new Person(){ Id=2, Name="小龙女", Age=28},
                new Person(){ Id=4, Name="杨过", Age=32},
            };

            List<Person> peoples2 = new List<Person>()
            {
                new Person(){ Id=2, Name="小龙女", Age=28},
                new Person(){ Id=3, Name="云花公主", Age=16},
            };

            var concatAct = peoples1.Concat(peoples2);

            var totalCount = concatAct.Count();

            Assert.Equal(4, totalCount);
        }
    }
}