public void Resolve_PassesExpressionToSource ()
    {
      var sourceMock = MockRepository.GenerateMock<IExpressionNode>();
      var node = new DistinctExpressionNode (CreateParseInfo (sourceMock));
      var expression = ExpressionHelper.CreateLambdaExpression();
      var parameter = ExpressionHelper.CreateParameterExpression();
      var expectedResult = ExpressionHelper.CreateExpression();
      sourceMock.Expect (mock => mock.Resolve (parameter, expression, ClauseGenerationContext)).Return (expectedResult);

      var result = node.Resolve (parameter, expression, ClauseGenerationContext);

      sourceMock.VerifyAllExpectations();
      Assert.That (result, Is.SameAs (expectedResult));
    }
 public override void SetUp ()
 {
   base.SetUp ();
   _node = new DistinctExpressionNode (CreateParseInfo ());
 }