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using iWareCommon.Utils;
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using iWareSql.DBModel;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace iWareUnitTest
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{
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[TestClass]
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public class CSharpTest
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{
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[TestMethod]
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public void Test_EF_OrderBy()
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{
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Task_Main a1 = new Task_Main();
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a1.Id = 1;
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a1.CreateTime = Convert.ToDateTime("2022-05-21 08:55:01.000");
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a1.TaskSequence = 55;
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Task_Main a2 = new Task_Main();
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a2.Id = 2;
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a2.CreateTime = Convert.ToDateTime("2022-05-21 08:55:02.000");
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a2.TaskSequence = 55;
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Task_Main a3 = new Task_Main();
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a3.Id = 3;
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a3.CreateTime = Convert.ToDateTime("2022-05-21 08:56:01.000");
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a3.TaskSequence = 55;
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Task_Main a4 = new Task_Main();
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a4.Id = 4;
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a4.CreateTime = Convert.ToDateTime("2022-05-21 08:56:00.000");
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a4.TaskSequence = 51;
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Task_Main a5 = new Task_Main();
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a5.Id = 5;
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a5.CreateTime = Convert.ToDateTime("2022-05-21 08:56:01.000");
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a5.TaskSequence = 57;
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List<Task_Main> mainList = new List<Task_Main>();
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mainList.Add(a1);
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mainList.Add(a2);
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mainList.Add(a3);
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mainList.Add(a4);
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mainList.Add(a5);
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var bb = mainList.OrderBy(x => x.TaskSequence).ThenBy(x => x.CreateTime).ToList();
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/*
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* 证明排序是 先按照TaskSequence排序，如果TaskSequence相等，就按照CreateTime内部小排序。
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*/
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string zz = JsonConvert.SerializeObject(bb);
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Assert.IsFalse(false);
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}
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[TestMethod]
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public void Test_ExecPercentRetInt()
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{
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int i = CSharpHelper.ExecPercentRetInt(22, 24);
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Assert.IsFalse(false);
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}
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[TestMethod]
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public void TestDictionary()
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{
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//C#求获取一个Dictionary中value最小的key
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Dictionary<string, int> dict = new Dictionary<string, int>();
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dict.Add("1", 1);
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dict.Add("2", 2);
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dict.Add("3", 3);
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dict.Add("4", 4);
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dict.Add("5", 1);
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var minKey = (from d in dict orderby d.Value ascending select d.Key).First();
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//考虑到不止一条的情况，分两步查询最小值的所有Key，这样的写法可能更好看懂
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var allMinKeys = (from d in dict where d.Value == dict[minKey] select d.Key).ToArray();
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var minkey = dict.Keys.Select(x => new { x, y = dict[x] }).OrderBy(x => x.y).First().x;
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var bb = dict.OrderBy(d => d.Value).Select(d => d.Key).FirstOrDefault();
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Assert.IsFalse(false);
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}
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[TestMethod]
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public void TestNull()
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{
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int? aa = null;
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int b = 1 + (int)aa;
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Assert.IsFalse(false);
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}
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[TestMethod]
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public void TestList()
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{
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List<string> sList = new List<string>();
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sList.Add("zzz");
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sList.Add("888");
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string cc = JsonConvert.SerializeObject(sList);
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}
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}
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}
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