public void CreateUnaryExpression()
{
IExpression valueExpression = new ConstantExpression(1);
UnaryExpression expression = new ArithmeticUnaryExpression(ArithmeticOperator.Minus, valueExpression);
Assert.IsTrue(expression.Expression == valueExpression);
}
public void CreateBinaryExpression()
{
IExpression leftExpression = new ConstantExpression(1);
IExpression rightExpression = new ConstantExpression(2);
BinaryExpression expression = new ArithmeticBinaryExpression(ArithmeticOperator.Add, leftExpression, rightExpression);
Assert.IsTrue(expression.LeftExpression == leftExpression);
Assert.IsTrue(expression.RightExpression == rightExpression);
}
public void CreateAndEvaluateInteger()
{
ConstantExpression expr = new ConstantExpression(1);
Assert.AreEqual(1, expr.Evaluate(null));
}
