public void GetSourceTest()
{
string tempFilename = Path.GetTempFileName();
using (var links = new Links(tempFilename, DefaultLinksSize))
{
Console.WriteLine("Testing GetSource function with {0} Iterations.", Iterations);
ulong counter = 0;
//var firstLink = links.First();
// Создаём одну связь, из которой будет производить считывание
ulong firstLink = links.Create(0, 0);
Stopwatch sw = Stopwatch.StartNew();
// Тестируем саму функцию
for (ulong i = 0; i < Iterations; i++)
counter += links.GetSource(firstLink);
TimeSpan elapsedTime = sw.Elapsed;
double iterationsPerSecond = Iterations / elapsedTime.TotalSeconds;
// Удаляем связь, из которой производилось считывание
links.Delete(firstLink);
Console.WriteLine(
"{0} Iterations of GetSource function done in {1} ({2} Iterations per second), counter result: {3}",
Iterations, elapsedTime, (long)iterationsPerSecond, counter);
}
File.Delete(tempFilename);
}
public void PatternMatchTest()
{
string tempFilename = Path.GetTempFileName();
const ulong itself = Links.Itself;
const ulong one = Sequences.Any;
const ulong zeroOrMany = Sequences.ZeroOrMany;
using (var links = new Links(tempFilename, LinksSizeStep))
{
var e1 = links.Create(itself, itself);
var e2 = links.Create(itself, itself);
var sequence = new[]
{
e1, e2, e1, e2 // mama / papa
};
var sequences = new Sequences(links);
var balancedVariant = sequences.CreateBalancedVariant(sequence);
// 1: [1]
// 2: [2]
// 3: [1,2]
// 4: [1,2,1,2]
var pair = links.GetSource(balancedVariant);
var matchedSequences1 = sequences.MatchPattern(e2, e1, zeroOrMany);
Assert.IsTrue(matchedSequences1.Count == 0);
var matchedSequences2 = sequences.MatchPattern(zeroOrMany, e2, e1);
Assert.IsTrue(matchedSequences2.Count == 0);
var matchedSequences3 = sequences.MatchPattern(e1, zeroOrMany, e1);
Assert.IsTrue(matchedSequences3.Count == 0);
var matchedSequences4 = sequences.MatchPattern(e1, zeroOrMany, e2);
Assert.IsTrue(matchedSequences4.Contains(pair));
Assert.IsTrue(matchedSequences4.Contains(balancedVariant));
for (int i = 0; i < sequence.Length; i++)
links.Delete(sequence[i]);
}
File.Delete(tempFilename);
}
public void GetSourceInParallel()
{
string tempFilename = Path.GetTempFileName();
using (var links = new Links(tempFilename, DefaultLinksSize))
{
Console.WriteLine("Testing GetSource function with {0} Iterations in parallel.", Iterations);
long counter = 0;
//var firstLink = links.First();
ulong firstLink = links.Create(0, 0);
Stopwatch sw = Stopwatch.StartNew();
// Тестируем саму функцию
Parallel.For(0, Iterations, x =>
{
Interlocked.Add(ref counter, (long)links.GetSource(firstLink));
//Interlocked.Increment(ref counter);
});
TimeSpan elapsedTime = sw.Elapsed;
double iterationsPerSecond = Iterations / elapsedTime.TotalSeconds;
links.Delete(firstLink);
Console.WriteLine(
"{0} Iterations of GetSource function done in {1} ({2} Iterations per second), counter result: {3}",
Iterations, elapsedTime, (long)iterationsPerSecond, counter);
}
File.Delete(tempFilename);
}
private static void PrintContents(Links links, Sequences sequences)
{
if (links.Total == UTF16LastCharLink)
Console.WriteLine("Database is empty.");
else
{
Console.WriteLine("Contents:");
var linksTotalLength = links.Total.ToString("0").Length;
var printFormatBase = new String('0', linksTotalLength);
// Выделить код по печати одной связи в Extensions
var printFormat = string.Format("\t[{{0:{0}}}]: {{1:{0}}} -> {{2:{0}}} {{3}}", printFormatBase);
for (var link = UTF16LastCharLink + 1; link <= links.Total; link++)
{
Console.WriteLine(printFormat, link, links.GetSource(link), links.GetTarget(link),
sequences.FormatSequence(link, AppendLinkToString, true));
}
}
}
