public static void MainTestLongStream()
{
MemoryStreamLongSize stream = new MemoryStreamLongSize(1, 4);
// TestByOneByte(stream);
TestByBuffer(stream);
}
// Кешевое решение
//System.IO.MemoryStream ms = null;
//System.IO.BinaryReader mbr = null;
// Формирование кеша
public void ActivateCache()
{
Console.WriteLine("cell {0} activating...", ((System.IO.FileStream)this.fs).Name);
fs.Position = 0;
Console.WriteLine("q "+this.fs.Length);
Console.WriteLine("w "+(int)this.fs.Length);
var ms = new MemoryStreamLongSize((int)this.fs.Length);
this.fs.CopyTo(ms);
//MyMemoryReadStream ms = new MyMemoryReadStream(this.fs, this.fs.Length);
this.fs = ms;
this.br = new System.IO.BinaryReader(fs);
//this.bw = new System.IO.BinaryWriter(fs);
activated = true;
}
private static void TestByOneByte(MemoryStreamLongSize stream)
{
stream.WriteByte(Convert.ToByte(2));
stream.Seek(0, SeekOrigin.Begin);
Console.WriteLine(stream.ReadByte());
Console.WriteLine(stream.ReadByte());
stream.Seek(0, SeekOrigin.Begin);
for (int i = 0; i < 1000 * 1000 * 1000; i++)
{
stream.WriteByte(Convert.ToByte(i % 8));
}
stream.Seek(0, SeekOrigin.Begin);
for (int i = 0; i < stream.Length; i++)
{
var readByte = stream.ReadByte();
if (readByte != Convert.ToByte(i % 8))
{
Console.WriteLine(@"error {0} must {1} real {2}", i, Convert.ToByte(i % 8), readByte);
}
}
}
private static void TestByBuffer(MemoryStreamLongSize stream)
{
var count = 2000;
for (int i = 0; i < count; i++)
{
var buffer = Enumerable.Range(0, 10).Select(j => (Convert.ToByte(j % 8))).ToArray();
stream.Write(buffer, 0, buffer.Length);
// if(i%1000000==0)
//Console.WriteLine(GC.GetTotalMemory(false)/1024/1024);
}
stream.Seek(0, SeekOrigin.Begin);
for (int i = 0; i < count; i++)
{
var buffer = new byte[10];
stream.Read(buffer, 0, buffer.Length);
for (int j = 0; j < 10; j++)
{
if (buffer[j] != (Convert.ToByte(j % 8)))
Console.WriteLine("error {0} must {1} real {2}", 10 * i + j, Convert.ToByte(j % 8), buffer[j]);
}
}
}