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

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C# / CSharp Open Source » Testing » MockObjects 
MockObjects » DotNetMock » ExpectationStringQueue.cs
using System.Collections;
namespace DotNetMock{
  /// <summary>
  /// Expectation String Queue implementation. Extends <c>AbstractStaticExpectaion</c>
  /// </summary>
  /// <author>Evhen Khasenevich</author>
  public class ExpectationStringQueue : AbstractStaticExpectation
  {
    private Queue _actualStringQueue = new Queue( );
    private Queue _expectedStringQueue = new Queue( );
    /// <summary>
    /// Default Constructor for ExpectationQueueString.  Set the name for this Expectation
    /// </summary>
    /// <param name="name">Name of this Expectation</param>
    public ExpectationStringQueue( string name ) : base( name )
    {
      ClearActual( );
    }
    /// <summary>
    /// Enqueue/Dequeue Actual strings.
    /// </summary>
    public string Actual
    {
      get
      {
        if ( this._actualStringQueue.Count == 0 )
        {
          return null;
        }
        return ( string )this._actualStringQueue.Dequeue( );
      }
      set
      {
        this._actualStringQueue.Enqueue( value );
        if ( ShouldCheckImmediate )
        {
          Verify( );
        }
      }
    }
    /// <summary>
    /// Enqueue/Dequeue Expected strings.
    /// </summary>
    public string Expected
    {
      get
      {
        if ( this._expectedStringQueue.Count == 0 )
        {
          return null;
        }
        if ( this._expectedStringQueue.Count == 1 )
        {
          this.HasExpectations = false;
        }
        return ( string )this._expectedStringQueue.Dequeue( );
      }
      set
      {
        this._expectedStringQueue.Enqueue( value );
        this.HasExpectations = true;
      }
    }
    /// <summary>
    /// Clears Actual strings.
    /// </summary>
    public override void ClearActual( )
    {
      this._actualStringQueue.Clear( );
    }
    /// <summary>
    /// Clears Expected strings.
    /// </summary>
    public override void ClearExpected( )
    {
      this._expectedStringQueue.Clear( );
      HasExpectations = false;
    }
    /// <summary>
    /// Verifies object
    /// </summary>
    public override void Verify( )
    {
      if ( this.HasExpectations )
      {
        if ( this.ShouldCheckImmediate )
        {
          Assertion.AssertEquals( "String values in the queues are not equal for object " + this.name, this.Expected, this.Actual );
        }
        else
        {
          string expected;
          while ( ( expected = this.Expected ) != null )
          {
            if ( this._actualStringQueue.Count > 0 )
            {
              Assertion.AssertEquals( "String values in the queues are not equal for object " + this.name, expected, this.Actual );
            }
            else
            {
              Assertion.Fail( string.Format( "{0} values left in the expected queue for object {1}: '{2}', ...", this._expectedStringQueue.Count + 1, this.name, expected ) );
            }
          }
          if ( this._actualStringQueue.Count > 0 )
          {
            Assertion.Fail( string.Format( "{0} values left in the actual queue for object {1}: '{2}', ...", this._actualStringQueue.Count, this.name, this.Actual ) );
          }
        }
      }
    }
  }
}
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