126 lines
4.4 KiB
C#
126 lines
4.4 KiB
C#
using Microsoft.VisualStudio.TestTools.UnitTesting;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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namespace Falcon.SugarApi.Test
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{
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/// <summary>
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/// 枚举类型扩展方法
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/// </summary>
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[TestClass]
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public class IEnumerableExtendTest
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{
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[TestMethod("ToDataTable测试")]
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public void ToDataTableTest() {
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var sw = new Stopwatch();
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var list = new List<dynamic> {
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new{a=1,b="b1" },
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new{a=2,b="b2",c=1 },
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};
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sw.Start();
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var r = list.ToDataTable();
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sw.Stop();
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Console.WriteLine($"ToDataTable转换，共用时{sw.ElapsedMilliseconds}毫秒");
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//测试表
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Assert.IsNotNull(r);
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Assert.AreEqual(3, r.Columns.Count);
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Assert.AreEqual(2, r.Rows.Count);
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//测试列
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var col1 = r.Columns[0];
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Assert.IsTrue(col1.ColumnName == "a");
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Assert.IsTrue(col1.DataType == typeof(int));
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var col2 = r.Columns[1];
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Assert.IsTrue(col2.ColumnName == "b");
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Assert.IsTrue(col2.DataType == typeof(string));
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var col3 = r.Columns[2];
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Assert.IsTrue(col3.ColumnName == "c");
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Assert.IsTrue(col3.DataType == typeof(int));
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//测试行
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var row = r.Rows[0];
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Assert.IsTrue(row[0].ToString() == "1");
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Assert.IsTrue(row[1].ToString() == "b1");
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Assert.IsTrue(row[2].ToString() == "");
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row = r.Rows[1];
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Assert.IsTrue((int)row[0] == 2);
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Assert.IsTrue((string)row[1] == "b2");
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Assert.IsTrue((int)row[2] == 1);
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Console.WriteLine($"ToDataTable测试完成");
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var models = new List<ToDataTableTestModel> {
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new ToDataTableTestModel{ id=1, },
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new ToDataTableTestModel{id=2,Name="name2" },
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};
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sw.Reset();
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r = models.ToDataTable();
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sw.Stop();
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Console.WriteLine($"ToDataTable<>转换，共用时{sw.ElapsedMilliseconds}毫秒");
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//测试表
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Assert.IsNotNull(r);
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Assert.AreEqual(2, r.Columns.Count);
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Assert.AreEqual(2, r.Rows.Count);
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//测试列
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col1 = r.Columns[0];
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Assert.IsTrue(col1.ColumnName == "id");
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Assert.IsTrue(col1.DataType == typeof(int));
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col2 = r.Columns[1];
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Assert.IsTrue(col2.ColumnName == "Name");
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Assert.IsTrue(col2.DataType == typeof(string));
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//测试行
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row = r.Rows[0];
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Assert.IsTrue(row[0].ToString() == "1");
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Assert.IsTrue(row[1].ToString() == "");
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row = r.Rows[1];
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Assert.IsTrue((int)row[0] == 2);
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Assert.IsTrue(row[1].ToString() == "name2");
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Console.WriteLine($"ToDataTable<>测试完成");
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}
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[TestMethod("Reduce测试")]
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public void ReduceTest() {
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var list = new List<int> { 1, 2, 3, 4 };
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var sum = list.Reduce((a, b) => a + b, 0);
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Assert.IsTrue(sum == 10, "对数组求和错误");
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var people = new List<person> {
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new person{ IsMan=true,age=30 },
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new person{ IsMan=false,age=40 },
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new person{ IsMan=true,age=50 },
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new person{ IsMan=true,age=60 },
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};
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var sumage = people.Reduce((a, b) => a + (b.IsMan ? b.age : 0), 0);
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Assert.IsTrue(sumage == 30 + 50 + 60, "有条件求和错误");
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var men = people.Reduce((a, b) => {
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if (b.IsMan) {
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a.Add(b);
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}
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return a;
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}, new List<person>());
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foreach (var p in men) {
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Assert.IsTrue(p.IsMan, "缩减为男性集合错误！");
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}
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var arr = new string[] { };
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var initVal = arr.Reduce((a, b) => throw new Exception("空集合不可以调用缩减方法"), "abc");
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Assert.IsTrue(initVal == "abc", "空集合返回初始值，并且不调用缩减方法。");
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}
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}
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internal class ToDataTableTestModel
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{
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public int id { get; set; }
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public string Name { get; set; }
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}
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internal class person
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{
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public int age { get; set; }
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public bool IsMan { get; set; }
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}
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}
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