public static bool ReadBeyondEndTest(Stream s)
{
Console.WriteLine("Read Beyond End test on "+s.GetType().Name);
byte[] bytes = new byte[10];
for(int i=0; i<bytes.Length; i++)
bytes[i] = (byte) i;
s.Seek(5, SeekOrigin.End);
if (s.Position != s.Length + 5)
{
iCountErrors++;
throw new Exception("Position is incorrect! Seek(5, SeekOrigin.End) should leave us at s.Length + 5, but got: "+s.Position);
}
int numRead = s.Read(bytes, 0, bytes.Length);
if (numRead != 0)
{
iCountErrors++ ;
throw new Exception("Reading from past end of stream is broken! Expected 0, got: "+numRead);
}
for(int i=0; i<bytes.Length; i++)
{
if (bytes[i] != (byte) i)
{
iCountErrors++ ;
throw new Exception("Error in byte[] - Read overwrote it! pos: "+i+" got: "+bytes[i]);
}
}
numRead = s.ReadByte();
if (numRead != -1)
{
iCountErrors++ ;
throw new Exception("ReadByte didn't return -1! got: "+numRead);
}
IAsyncResult ar = s.BeginRead(bytes, 0, bytes.Length, null, null);
numRead = s.EndRead(ar);
if (numRead != 0)
{
iCountErrors++ ;
throw new Exception("Reading from past end of stream with BeginRead is broken! Expected 0, got: "+numRead);
}
for(int i=0; i<bytes.Length; i++)
if (bytes[i] != (byte) i)
{
iCountErrors++ ;
throw new Exception("Error in byte[] - BeginRead overwrote it! pos: "+i+" got: "+bytes[i]);
}
return true;
}
}
