public void AutoGeneratesValuesCorrectly(string key, UInt16 expectedValue)
{
var operationDictionary = new OperationDictionary();
var actual = operationDictionary[key].Calculate();
Assert.Equal(expectedValue, actual);
}
private static OperationDictionary BuildOperations(IEnumerable <KeyValuePair <string, string> > operations)
{
var ops = new OperationDictionary();
foreach (var operation in operations)
{
var operationInputs = operation.Value.Split(' ');
switch (operationInputs.Count())
{
case 1:
UInt16 parsedInput;
if (UInt16.TryParse(operationInputs[0], out parsedInput))
{
ops[operation.Key] = new Operation(parsedInput);
}
else
{
ops[operation.Key] = new Operation(() => ops[operationInputs[0]], Operation.Load);
}
break;
case 2:
if (operationInputs[0] == "NOT")
{
ops[operation.Key] = new Operation(() => ops[operationInputs[1]], Operation.Not);
}
break;
case 3:
switch (operationInputs[1])
{
case "LSHIFT":
ops[operation.Key] = new Operation(() => ops[operationInputs[0]], () => ops[operationInputs[2]], Operation.LeftShift);
break;
case "RSHIFT":
ops[operation.Key] = new Operation(() => ops[operationInputs[0]], () => ops[operationInputs[2]], Operation.RightShift);
break;
case "AND":
ops[operation.Key] = new Operation(() => ops[operationInputs[0]], () => ops[operationInputs[2]], Operation.And);
break;
case "OR":
ops[operation.Key] = new Operation(() => ops[operationInputs[0]], () => ops[operationInputs[2]], Operation.Or);
break;
default:
throw new InvalidOperationException();
}
break;
default:
throw new InvalidOperationException();
}
}
return(ops);
}
//holds operands and alwasys both
//however if exactly unary function - meaningfull just right
//the left will be empty
public Operation(string name, FormulaObject _left, FormulaObject _right)
{
if (!OperationDictionary.ContainsKey(name))
{
throw new Exception("Unacceptable formula : " + name);
}
index = OperationDictionary[name];
left = _left;
right = _right;
wasActivated = false;
}
