public void CreateUnaryExpression()
{
IExpression valueExpression = new ConstantExpression(1);
UnaryExpression expression = new ArithmeticUnaryExpression(ArithmeticOperator.Minus, valueExpression);
Assert.IsTrue(expression.Expression == valueExpression);
}
public void CreateUnaryExpression()
{
IExpression valueExpression = new ConstantExpression(1);
UnaryExpression expression = new ArithmeticUnaryExpression(ArithmeticOperator.Minus, valueExpression);
Assert.IsTrue(expression.Expression == valueExpression);
}
public void ParseSimpleUnaryExpression()
{
IExpression expression = ParseExpression("-2");
Assert.IsNotNull(expression);
Assert.IsInstanceOfType(expression, typeof(ArithmeticUnaryExpression));
ArithmeticUnaryExpression operation = (ArithmeticUnaryExpression)expression;
Assert.AreEqual(ArithmeticOperator.Minus, operation.Operation);
Assert.IsNotNull(operation.Expression);
Assert.IsInstanceOfType(operation.Expression, typeof(ConstantExpression));
}
private static object EvaluateArithmeticUnaryOperator(ArithmeticOperator operation, object value)
{
IExpression expression = new ArithmeticUnaryExpression(operation, new ConstantExpression(value));
return(expression.Evaluate(null));
}
private static object EvaluateArithmeticUnaryOperator(ArithmeticOperator operation, object value)
{
IExpression expression = new ArithmeticUnaryExpression(operation, new ConstantExpression(value));
return expression.Evaluate(null);
}
