FDK24Tests/UtilitiesTests.cs

   1 using Microsoft.VisualStudio.TestTools.UnitTesting;
   2 using FDK;
   3 using System;
   4 using System.Collections.Generic;
   5 using System.Linq;
   6
   7 namespace FDK.Tests
   8 {
   9         [TestClass()]
  10         public class UtilityTests
  11         {
  12                 // 例外検証用メソッド
  13                 private void 例外が出れば成功( Action action )
  14                 {
  15                         try
  16                         {
  17                                 action();
  18                                 Assert.Fail();  // ここに来るということは、action() で例外がでなかったということ。
  19                         }
  20                         catch( AssertFailedException )
  21                         {
  22                                 throw;  // 失敗。
  23                         }
  24                         catch
  25                         {
  26                                 // 成功。
  27                         }
  28                 }
  29
  30                 // テスト用クラス
  31                 class DisposeTest : IDisposable
  32                 {
  33                         public bool Dispose済み = false;
  34                         public void Dispose()
  35                         {
  36                                 this.Dispose済み = true;
  37                         }
  38                 }
  39
  40                 [TestMethod()]
  41                 public void 解放するTest()
  42                 {
  43                         DisposeTest test = null;
  44
  45                         #region " ref あり Dispose → Dispose して null にする。"
  46
  47                         test = new DisposeTest();
  48                         Assert.IsFalse( test.Dispose済み );    // まだ Dispose されていない
  49
  50                         FDK.Utilities.解放する( ref test );
  51                         Assert.IsNull( test );  // obj が解放された
  52
  53                         #endregion
  54                 }
  55
  56                 [TestMethod()]
  57                 public void 最大公約数を返すTest()
  58                 {
  59                         int 結果 = 0;
  60
  61                         // 正常系。
  62
  63                         Assert.AreEqual( actual: FDK.Utilities.最大公約数を返す( 1, 1 ), expected: 1 );
  64                         Assert.AreEqual( actual: FDK.Utilities.最大公約数を返す( 1, 2 ), expected: 1 );
  65                         Assert.AreEqual( actual: FDK.Utilities.最大公約数を返す( 3, 1 ), expected: 1 );
  66                         Assert.AreEqual( actual: FDK.Utilities.最大公約数を返す( 630, 300 ), expected: 30 );
  67
  68                         // 準正常系。
  69
  70                         例外が出れば成功( () => { 結果 = FDK.Utilities.最大公約数を返す( 1, 0 ); } );   // 0 の指定はダメ
  71                         例外が出れば成功( () => { 結果 = FDK.Utilities.最大公約数を返す( 1, -1 ); } );   // 負数の指定もダメ
  72                 }
  73
  74                 [TestMethod()]
  75                 public void 最小公倍数を返すTest()
  76                 {
  77                         int 結果 = 0;
  78
  79                         // 正常系。
  80
  81                         Assert.AreEqual( actual: FDK.Utilities.最小公倍数を返す( 1, 1 ), expected: 1 );
  82                         Assert.AreEqual( actual: FDK.Utilities.最小公倍数を返す( 1, 2 ), expected: 2 );
  83                         Assert.AreEqual( actual: FDK.Utilities.最小公倍数を返す( 3, 1 ), expected: 3 );
  84                         Assert.AreEqual( actual: FDK.Utilities.最小公倍数を返す( 630, 300 ), expected: 6300 );
  85
  86                         // 準正常系。
  87
  88                         例外が出れば成功( () => { 結果 = FDK.Utilities.最小公倍数を返す( 1, 0 ); } );   // 0 の指定はダメ
  89                         例外が出れば成功( () => { 結果 = FDK.Utilities.最小公倍数を返す( 1, -1 ); } );   // 負数の指定もダメ
  90                 }
  91
  92                 [TestMethod()]
  93                 public void 現在のメソッド名Test()
  94                 {
  95                         Assert.AreEqual(
  96                                 actual: FDK.Utilities.現在のメソッド名,
  97                                 expected: typeof( UtilityTests ).ToString() + @"." + nameof( 現在のメソッド名Test ) + @"()",
  98                                 ignoreCase: false );
  99                 }
 100         }
 101 }