/// <summary>
/// Initializes a new instance of the <see cref="ExpressionTree"/> class.
/// </summary>
/// <param name="expression">Expression to construct tree.</param>
public ExpressionTree(string expression)
{
this.operatorsRegex = this.CreateOperatorRegex();
this.Expression = expression;
this.factory = new OperatorNodeFactory();
}
public void TestCreateOperatorNode(string op, Type nodeType)
{
OperatorNodeFactory factory = new OperatorNodeFactory();
Assert.AreEqual(nodeType, factory.CreateOperatorNode(op).GetType());
}