C# 为私有方法添加单元测试（反射）

   1:  using System;

   2:  using System.Collections.Generic;

   3:  using System.Linq;

   4:  using System.Text;

   5:  using System.Reflection;

   6:   

   7:  namespace TestProject

   8:  {

   9:      public class TestHelper

  10:      {

  11:          /// <summary>

  12:          /// 调用静态方法

  13:          /// </summary>

  14:          /// <param name="t">类全名</param>

  15:          /// <paramname="strMethod">方法名</param>

  16:          /// <paramname="aobjParams">参数表</param>

  17:          /// <returns>函数返回值</returns>

  18:          public static object RunStaticMethod(System.Type t, string strMethod, object[] aobjParams)

  19:          {

  20:              BindingFlags eFlags = BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic;

  21:              return RunMethod(t, strMethod, null, aobjParams, eFlags);

  22:          }

  23:   

  24:   

  25:          /// <summary>

  26:          /// 调用实例方法

  27:          /// </summary>

  28:          /// <param name="t">类全名</param>

  29:          /// <paramname="strMethod">方法名</param>

  30:          /// <paramname="objInstance">类的实例</param>

  31:          ///<paramname="aobjParams">参数表</param>

  32:          ///<returns>函数返回值</returns>

  33:          public static object RunInstanceMethod(System.Type t, string strMethod, object objInstance, object[] aobjParams)

  34:          {

  35:              BindingFlags eFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;

  36:              return RunMethod(t, strMethod, objInstance, aobjParams, eFlags);

  37:          }

  38:   

  39:          private static object RunMethod(System.Type t, string strMethod, object objInstance, object[] aobjParams, BindingFlags eFlags)

  40:          {

  41:              MethodInfo m;

  42:              try

  43:              {

  44:                  m = t.GetMethod(strMethod, eFlags);

  45:                  if (m == null)

  46:                  {

  47:                      throw new ArgumentException("There is no method '" + strMethod + "' for type'" + t.ToString() + "'.");

  48:                  }

  49:                  object objRet = m.Invoke(objInstance, aobjParams);

  50:                  return objRet;

  51:              }

  52:              catch

  53:              {

  54:                  throw;

  55:              }

  56:          }

  57:      }

  58:  }

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