private static Boolean FilterOutThreeOrMoreConsecutiveIdenticalOperationKinds(
IDictionary <Int32, Tuple <Int32, Object> > testVariableIndexToLevelDictionary)
{
var testVariableIndices = testVariableIndexToLevelDictionary.Keys;
var numberOfTestVariables = testVariableIndices.Count;
var sortedTestVariableIndices = new Int32[numberOfTestVariables];
testVariableIndices.CopyTo(sortedTestVariableIndices, 0);
Array.Sort(sortedTestVariableIndices);
if (1 >= numberOfTestVariables)
{
return(true);
}
var preceedingTestVariableIndexAndConsecutiveCount =
Tuple.Create(sortedTestVariableIndices.First(), 1);
foreach (var index in Enumerable.Range(1, numberOfTestVariables - 1))
{
var testVariableIndex = sortedTestVariableIndices[index];
var preceedingTestVariableIndex =
preceedingTestVariableIndexAndConsecutiveCount.Item1;
if (1 + preceedingTestVariableIndex == testVariableIndex &&
testVariableIndexToLevelDictionary[preceedingTestVariableIndex].Item1 ==
testVariableIndexToLevelDictionary[testVariableIndex].Item1)
{
var consecutiveCount =
preceedingTestVariableIndexAndConsecutiveCount.Item2;
if (2 == consecutiveCount)
{
return(false);
}
preceedingTestVariableIndexAndConsecutiveCount =
Tuple.Create(testVariableIndex, 1 + consecutiveCount);
}
else
{
preceedingTestVariableIndexAndConsecutiveCount =
Tuple.Create(testVariableIndex, 1);
}
}
return(true);
}