public void TestReadLengthSpecified()
{
var inner = new MemoryStream(new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07});
var stream = new PartialStream(inner, 2, 4);
Assert.AreEqual(8, stream.InnerStream.Length);
Assert.AreEqual(2, stream.InnerStream.Position);
Assert.AreEqual(4, stream.Length);
Assert.AreEqual(0, stream.Position);
var buffer = new byte[2];
Assert.AreEqual(2, stream.Read(buffer, 0, 2));
Assert.AreEqual(new byte[] {0x02, 0x03}, buffer);
Assert.AreEqual(4, stream.InnerStream.Position);
Assert.AreEqual(2, stream.Position);
Assert.AreEqual(0x04, stream.ReadByte());
Assert.AreEqual(1, stream.Read(buffer, 0, 2));
Assert.AreEqual(new byte[] {0x05, 0x03}, buffer);
Assert.AreEqual(6, stream.InnerStream.Position);
Assert.AreEqual(4, stream.Position);
Assert.AreEqual(0, stream.Read(buffer, 0, 3));
Assert.AreEqual(-1, stream.ReadByte());
}
public void TestReadByteLengthSpecified()
{
var inner = new MemoryStream(new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07});
var stream = new PartialStream(inner, 2, 4);
foreach (var expected in new int[] {
0x02, 0x03, 0x04, 0x05, -1,
}) {
Assert.AreEqual(expected, stream.ReadByte());
}
Assert.AreEqual(4, stream.Position);
Assert.AreEqual(6, stream.InnerStream.Position);
Assert.AreEqual(-1, stream.ReadByte());
Assert.AreEqual(4, stream.Position);
Assert.AreEqual(6, stream.InnerStream.Position);
}