public void TestGetValue()
{
var token = new Token(1);
var tree = new ExpressionTree(token, null);
var result = tree.GetResult();
Assert.AreEqual(1, result);
}
public void TestGetUnaryOperationResult()
{
var child = MockRepository.GenerateMock<IExpressionTree>();
child.Expect(t => t.GetResult())
.Return(1);
var op = MockRepository.GenerateMock<IUnaryOperator>();
op.Expect(o => o.Apply(Arg<double>.Is.Equal(1)))
.Return(-1);
var token = new Token(op);
var tree = new ExpressionTree(token, new List<IExpressionTree> { child });
var result = tree.GetResult();
Assert.AreEqual(-1, result);
}