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); }