/// <summary>
/// Helper function to create an List fulfilling the given specific parameters. The function will
/// create an List and then add values
/// to it until it is full. It will begin by adding the desired number of matching,
/// followed by random (deterministic) elements until the desired count is reached.
/// </summary>
protected IEnumerable <T> CreateList(IEnumerable <T> enumerableToMatchTo, int count, int numberOfMatchingElements, int numberOfDuplicateElements)
{
JCG.List <T> list = new JCG.List <T>(count);
int seed = 528;
int duplicateAdded = 0;
JCG.List <T> match = null;
// Add Matching elements
if (enumerableToMatchTo != null)
{
match = enumerableToMatchTo.ToList();
for (int i = 0; i < numberOfMatchingElements; i++)
{
list.Add(match[i]);
while (duplicateAdded++ < numberOfDuplicateElements)
{
list.Add(match[i]);
}
}
}
// Add elements to reach the desired count
while (list.Count < count)
{
T toAdd = CreateT(seed++);
while (list.Contains(toAdd) || (match != null && match.Contains(toAdd))) // Don't want any unexpectedly duplicate values
{
toAdd = CreateT(seed++);
}
list.Add(toAdd);
while (duplicateAdded++ < numberOfDuplicateElements)
{
list.Add(toAdd);
}
}
// Validate that the Enumerable fits the guidelines as expected
Debug.Assert(list.Count == count);
if (match != null)
{
int actualMatchingCount = 0;
foreach (T lookingFor in match)
{
actualMatchingCount += list.Contains(lookingFor) ? 1 : 0;
}
Assert.Equal(numberOfMatchingElements, actualMatchingCount);
}
return(list);
}
/// <summary>
/// <see cref="ICollection{IQueryNodeProcessor}.Add(IQueryNodeProcessor)"/>
/// </summary>
public virtual bool Add(IQueryNodeProcessor processor)
{
this.processors.Add(processor);
bool added = processors.Contains(processor);
if (added)
{
processor.SetQueryConfigHandler(this.queryConfig);
}
return(added);
}