public void BlockOffset()
{
BlockStream s;
BlockArray ba;
s = new BlockStream(0, 10, 5);
for (int i = 0; i < 20; i++)
{
s.WriteByte((byte)i);
}
ba = s.ToBlocks(false);
Assert.Equal(4, ba.Count);
for (int i = 0; i < ba.Count; i++)
{
Block b = ba.GetBlock(i);
Assert.Equal(5, b.Length);
Assert.Equal(5, b.Offset);
for (int j = 0; j < 5; j++)
{
Assert.Equal(i * 5 + j, (int)b.Buffer[b.Offset + j]);
}
}
}
public void ReadWriteByte()
{
BlockStream s;
int cb;
s = new BlockStream();
cb = 1024 * 1024;
Assert.Equal(-1, s.ReadByte());
Assert.Equal(0, s.Length);
Assert.Equal(0, s.Position);
for (int i = 0; i < cb; i++)
{
s.WriteByte((byte)i);
}
s.Position = 0;
for (int i = 0; i < cb; i++)
{
Assert.Equal((byte)i, s.ReadByte());
}
Assert.Equal(cb, s.Length);
Assert.Equal(cb, s.Position);
Assert.Equal(-1, s.ReadByte());
Assert.Equal(cb, s.Length);
Assert.Equal(cb, s.Position);
}
public void Basic()
{
BlockStream s;
byte b;
int cb;
byte[] buf;
byte[] cmp;
//-------------------------
cb = 1024;
s = new BlockStream();
Assert.Equal(0, s.Length);
Assert.Equal(0, s.Position);
for (int i = 0; i < cb; i++)
{
s.WriteByte((byte)i);
Assert.Equal((long)(i + 1), s.Position);
Assert.Equal((long)(i + 1), s.Length);
}
s.Position = 0;
for (int i = 0; i < cb; i++)
{
b = (byte)s.ReadByte();
Assert.Equal((byte)i, b);
Assert.Equal((long)(i + 1), s.Position);
Assert.Equal(cb, s.Length);
}
cmp = new byte[cb];
for (int i = 0; i < cb; i++)
{
cmp[i] = (byte)i;
}
buf = new byte[cb];
s.Position = 0;
s.Read(buf, 0, cb);
Assert.Equal(cmp, buf);
Assert.Equal((long)cb, s.Position);
Assert.Equal((long)cb, s.Length);
//-------------------------
cb = 256;
s = new BlockStream(cb);
Assert.Equal(0, s.Length);
Assert.Equal(0, s.Position);
for (int i = 0; i < cb; i++)
{
s.WriteByte((byte)i);
Assert.Equal((long)(i + 1), s.Position);
Assert.Equal((long)(i + 1), s.Length);
}
s.Position = 0;
for (int i = 0; i < cb; i++)
{
b = (byte)s.ReadByte();
Assert.Equal((byte)i, b);
Assert.Equal((long)(i + 1), s.Position);
Assert.Equal(cb, s.Length);
}
cmp = new byte[cb];
for (int i = 0; i < cb; i++)
{
cmp[i] = (byte)i;
}
buf = new byte[cb];
s.Position = 0;
s.Read(buf, 0, cb);
Assert.Equal(cmp, buf);
Assert.Equal((long)cb, s.Position);
Assert.Equal((long)cb, s.Length);
//-------------------------
cb = 3 * 256 + 1;
s = new BlockStream(cb, 256);
Assert.Equal(0, s.Length);
Assert.Equal(0, s.Position);
for (int i = 0; i < cb; i++)
{
s.WriteByte((byte)i);
Assert.Equal((long)(i + 1), s.Position);
Assert.Equal((long)(i + 1), s.Length);
}
s.Position = 0;
for (int i = 0; i < cb; i++)
{
b = (byte)s.ReadByte();
Assert.Equal((byte)i, b);
Assert.Equal((long)(i + 1), s.Position);
Assert.Equal(cb, s.Length);
}
cmp = new byte[cb];
for (int i = 0; i < cb; i++)
{
cmp[i] = (byte)i;
}
buf = new byte[cb];
s.Position = 0;
s.Read(buf, 0, cb);
Assert.Equal(cmp, buf);
Assert.Equal((long)cb, s.Position);
Assert.Equal((long)cb, s.Length);
//-------------------------
cb = 300;
s = new BlockStream(new Block(cb / 3), new Block(cb / 3), new Block(cb / 3));
Assert.Equal(cb, s.Length);
Assert.Equal(0, s.Position);
for (int i = 0; i < cb; i++)
{
s.WriteByte((byte)i);
Assert.Equal((long)(i + 1), s.Position);
}
s.Position = 0;
for (int i = 0; i < cb; i++)
{
b = (byte)s.ReadByte();
Assert.Equal((byte)i, b);
Assert.Equal((long)(i + 1), s.Position);
}
cmp = new byte[cb];
for (int i = 0; i < cb; i++)
{
cmp[i] = (byte)i;
}
buf = new byte[cb];
s.Position = 0;
s.Read(buf, 0, cb);
Assert.Equal(cmp, buf);
Assert.Equal((long)cb, s.Position);
//-------------------------
cb = 300;
s = new BlockStream(new BlockArray(new Block[] { new Block(cb / 3), new Block(cb / 3), new Block(cb / 3) }));
Assert.Equal(cb, s.Length);
Assert.Equal(0, s.Position);
for (int i = 0; i < cb; i++)
{
s.WriteByte((byte)i);
Assert.Equal((long)(i + 1), s.Position);
}
s.Position = 0;
for (int i = 0; i < cb; i++)
{
b = (byte)s.ReadByte();
Assert.Equal((byte)i, b);
Assert.Equal((long)(i + 1), s.Position);
}
cmp = new byte[cb];
for (int i = 0; i < cb; i++)
{
cmp[i] = (byte)i;
}
buf = new byte[cb];
s.Position = 0;
s.Read(buf, 0, cb);
Assert.Equal(cmp, buf);
Assert.Equal((long)cb, s.Position);
}
