public void Read_EOF_Well()
{
var arr = new byte[5000];
var mem = new MemoryStream(arr);
var bufreader = new BufferedOutputStream(mem);
var buf = new byte[5000];
bufreader.Read(buf, 0, buf.Length);
var n = bufreader.Read(buf, 0, buf.Length);
Assert.Equal(0, n);
}
public void Read_Return_Less_Than_Requested()
{
var arr = new byte[5000];
var mem = new MemoryStream(arr);
var bufreader = new BufferedOutputStream(mem);
var buf = new byte[3000];
var n = bufreader.Read(buf, 0, buf.Length);
Assert.Equal(3000, n);
n = bufreader.Read(buf, 0, buf.Length);
// default buffer size is 4096
// it reads in one go when buffer empty.
// after reading 3000 bytes, 4096 - 3000 = 1096
// tl;dr it reads what's left on buffer. Only request more from underlying stream when buf empty.
Assert.Equal(1096, n);
}
public void Correct_Read()
{
var arr = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
var mem = new MemoryStream(arr);
var bufreader = new BufferedOutputStream(mem);
var buf = new byte[arr.Length];
bufreader.Read(buf, 0, buf.Length);
Assert.Equal(arr, buf);
}
