private static void RecordSearchTime(string key, ISearcher <int> searcher, IEnumerable <int> enumerable)
{
var hasKey = _dictionary.ContainsKey(key);
var results = hasKey ? _dictionary[key] : new List <TimeSpan>();
IList <int> array = enumerable.ToArray();
for (var i = 1; i < _iterations + 1; i++)
{
Console.WriteLine("Begin Test: {0} v{1}", key, i);
var targetIndex = _random.Next(0, array.Count);
var target = array[targetIndex];
Console.WriteLine("Target: {0}/{1}, Value: {2}", targetIndex, array.Count, target);
Console.WriteLine("Starting timer...");
var timer = new Stopwatch();
timer.Start();
var matchIndex = searcher.IndexOf(array, target);
timer.Stop();
Console.WriteLine("Time Taken: {0}", GetTime(timer.Elapsed));
if (matchIndex > -1)
{
Console.WriteLine("First Match: {0}/{1}, Value: {2}", matchIndex, array.Count, array[matchIndex]);
}
else
{
Console.WriteLine("First Match: Not Found...");
}
// Perform a linear search to find all values
var expectedIndicies = array
.Select((value, index) => (value, index))
.Where(x => x.value == target)
.Select(x => x.index)
.ToArray();
if (matchIndex > -1 && expectedIndicies.Contains(matchIndex))
{
Console.WriteLine("Valid Search: Yes");
results.Add(timer.Elapsed);
}
else
{
Console.WriteLine("Valid Search: No");
}
Console.WriteLine("Could have been any of: [{0}]", string.Join(", ", expectedIndicies));
Console.WriteLine("End Test: {0} v{1}\r\n", key, i);
}
if (!hasKey)
{
_dictionary.Add(key, results);
}
}