Nuclex.Support/Source/Plugins/PluginHelper.Test.cs

#region CPL License
/*
Nuclex Framework
Copyright (C) 2002-2009 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
#endregion

using System;
using System.IO;

#if UNITTEST

using NUnit.Framework;

namespace Nuclex.Support.Plugins {

  /// <summary>Unit Test for the plugin helper class</summary>
  [TestFixture]
  public class PluginHelperTest {

    #region class NoDefaultConstructor

    /// <summary>Test class that doesn't have a default constructor</summary>
    private class NoDefaultConstructor {
      /// <summary>Initializes a new instance of the test class</summary>
      /// <param name="dummy">Dummy argument so this is no default constructor</param>
      public NoDefaultConstructor(int dummy) { }
    }

    #endregion // class NoDefaultConstructor

    #region class NonPublicDefaultConstructor

    /// <summary>Test class that has a non-public default constructor</summary>
    private class NonPublicDefaultConstructor {
      /// <summary>Initializes a new instance of the test class</summary>
      protected NonPublicDefaultConstructor() { }
    }

    #endregion // class NonPublicDefaultConstructor

    #region class PublicDefaultConstructor

    /// <summary>Test class that has a public default constructor</summary>
    private class PublicDefaultConstructor {
      /// <summary>Initializes a new instance of the test class</summary>
      public PublicDefaultConstructor() { }
    }

    #endregion // class PublicDefaultConstructor

    /// <summary>Tests whether the default constructor detection works as expected</summary>
    [Test]
    public void TestDefaultConstructorDetection() {
      Assert.IsFalse(
        PluginHelper.HasDefaultConstructor(typeof(NoDefaultConstructor))
      );
      Assert.IsFalse(
        PluginHelper.HasDefaultConstructor(typeof(NonPublicDefaultConstructor))
      );
      Assert.IsTrue(
        PluginHelper.HasDefaultConstructor(typeof(PublicDefaultConstructor))
      );
    }

  }

} // namespace Nuclex.Support.Plugins

#endif // UNITTEST