public void Can_append_read_after_truncate()
{
using(var queueStream = new MultiFileQueueStream(_path, 14)) {
var s1 = GetStream(1);
var s2 = GetStream(2);
queueStream.AppendRecord(s1, s1.Length);
queueStream.AppendRecord(s2, s2.Length);
queueStream.Truncate();
var s3 = GetStream(3);
queueStream.AppendRecord(s3, s3.Length);
Assert.AreEqual(1, queueStream.UnreadCount);
var h3 = queueStream.ReadNextRecord();
Assert.AreEqual(0, queueStream.UnreadCount);
Assert.AreEqual(GetValue(s3),GetValue(h3.Stream));
}
}
public void Truncate_removes_files()
{
using(var queueStream = new MultiFileQueueStream(_path, 14)) {
var s1 = GetStream(1);
var s2 = GetStream(2);
var s3 = GetStream(3);
var s4 = GetStream(4);
var s5 = GetStream(5);
queueStream.AppendRecord(s1, s1.Length);
queueStream.AppendRecord(s2, s2.Length);
queueStream.AppendRecord(s3, s3.Length);
queueStream.AppendRecord(s4, s4.Length);
queueStream.AppendRecord(s5, s5.Length);
Assert.AreEqual(3, Directory.GetFiles(_path).Length);
queueStream.Truncate();
Assert.AreEqual(1, Directory.GetFiles(_path).Length);
Assert.AreEqual(0, queueStream.UnreadCount);
Assert.AreEqual(QueueStreamRecord.Empty, queueStream.ReadNextRecord());
}
}
