public void CreateUnaryExpression()
{
IExpression valueExpression = new ConstantExpression(1);
UnaryExpression expression = new ArithmeticUnaryExpression(ArithmeticOperator.Minus, valueExpression);
Assert.IsTrue(expression.Expression == valueExpression);
}
private static object EvaluateArithmeticUnaryOperator(ArithmeticOperator operation, object value)
{
IExpression expression = new ArithmeticUnaryExpression(operation, new ConstantExpression(value));
return expression.Evaluate(null);
}