PredicateUtils.cs :  » Testing » MockObjects » DotNetMock » Dynamic » C# / CSharp Open Source

#region License
// Copyright (c) 2004 Griffin Caprio & Choy Rim. All rights reserved.
#endregion
#region Imports
using DotNetMock.Dynamic.Predicates;
#endregion

namespace DotNetMock.Dynamic{
  /// <summary>
  /// Utilities that for working with predicates.
  /// </summary>
  public class PredicateUtils
  {
    /// <summary>
    /// Create an appropriate <see cref="IPredicate"/> given an
    /// abitrary object.
    /// </summary>
    /// <param name="expectation">argument expectation</param>
    /// <returns><see cref="IPredicate"/> that is appropriate for
    /// the specified object</returns>
    public static IPredicate ConvertFrom(object expectation) 
    {
      IPredicate predicate = expectation as IPredicate;
      if ( predicate==null ) 
      {
        if ( expectation==null ) 
        {
          predicate = new IsAnything();
        }
        else 
        {
          predicate = new IsEqual(expectation);
        }
      }
      return predicate;
    }
  }
}