public void TestCleanUpOldFilesPolicy()
{
// some log files...
Add(20); // 1st log file - 0001.commandlog
CrashRecover();
Add(30); // 2nd log file - 0002.commandlog
_engine.TakeSnapshot(); // 1st snapshot - 0002.snapshot
Thread.Sleep(TimeSpan.FromMilliseconds(2500));
Add(10); // 3rd log file - 0003.commandlog
// remove files older than 2 seconds...
ICleanUpPolicy policy = new OldFilesCleanUpPolicy(TimeSpan.FromSeconds(2));
SnapshotTaker taker = new SnapshotTaker(_engine, TimeSpan.FromMilliseconds(250), policy);
Thread.Sleep(TimeSpan.FromMilliseconds(400));
// 2nd snasphot taken - 0003.snapshot
taker.Dispose();
FileInfo[] files = _engine.PrevalenceBase.GetFiles("*.*");
Array.Sort(files, FileNameComparer.Default);
Assert.AreEqual(2, files.Length);
Assert.AreEqual(FormatCommandLogName(3), files[0].Name, "3rd command log");
Assert.AreEqual(FormatSnapshotName(3), files[1].Name, "2nd snapshot");
// sanity check
CrashRecover();
AssertTotal(60);
}
