public void SeekToEnd()
{
var stream = new FastMemoryWriter();
stream.Write("JonnoJ");
var result = stream.Position;
stream.Seek(0, System.IO.SeekOrigin.Begin);
stream.Seek(0, System.IO.SeekOrigin.End);
Assert.Equal(result, stream.Position);
}
public void TwoSeeks()
{
var stream = new FastMemoryWriter();
stream.Write("JonnoJ");
var initilPoisition = stream.Position;
stream.Seek(-2, System.IO.SeekOrigin.Current);
Assert.Equal(initilPoisition - 2, stream.Position);
stream.Seek(-2, System.IO.SeekOrigin.Current);
Assert.Equal(initilPoisition - 4, stream.Position);
Assert.Equal(initilPoisition, stream.Length);
}
public void SeekToBegin()
{
var stream = new FastMemoryWriter();
stream.Write("JonnoJ");
stream.Seek(0, System.IO.SeekOrigin.Begin);
Assert.Equal(0, stream.Position);
}
public void SeekWithCurrent()
{
var stream = new FastMemoryWriter();
stream.Write("JonnoJ");
var result = stream.Position;
stream.Seek(-1, System.IO.SeekOrigin.Current);
Assert.Equal(result - 1, stream.Position);
}
public void ReadString()
{
var text = "hello";
var memory = new FastMemoryWriter();
memory.Write(text);
memory.Seek(0, SeekOrigin.Begin);
var reader = new FastReader(memory);
var result = reader.ReadString();
Assert.Equal(text, result);
}
public void ReadWrongByteArray()
{
var bytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, };
var memory = new FastMemoryWriter();
memory.WriteByteArray(bytes);
memory.SetLength(9);
memory.Seek(0, SeekOrigin.Begin);
var reader = new FastReader(memory);
Assert.Throws <EndOfStreamException>(() => reader.ReadByteArray());
}
public void ReadByteArray()
{
var bytes = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, };
var memory = new FastMemoryWriter();
memory.WriteByteArray(bytes);
memory.Seek(0, SeekOrigin.Begin);
var reader = new FastReader(memory);
var result = reader.ReadByteArray();
Assert.True(result.SequenceEqual(bytes));
}
public void Bytes()
{
var bytes = new byte[] { 10, 10, 11, 12 };
var writer = new FastMemoryWriter();
writer.Write(bytes);
writer.Seek(0, SeekOrigin.Begin);
var result = new byte[4];
writer.Read(result);
Assert.True(bytes.SequenceEqual(result));
}
public async Task CopyToAsync()
{
var bytes = new byte[] { 10, 10 };
var writer = new FastMemoryWriter();
writer.Write(bytes);
writer.Seek(0, SeekOrigin.Begin);
var stream = new MemoryStream();
await writer.CopyToAsync(stream);
var result = stream.ToArray();
Assert.Equal(bytes, result);
}
public void Read()
{
var text = "JonnoJ";
var textBytes = Encoding.UTF8.GetBytes(text);
var stream = new FastMemoryWriter();
stream.Write(text);
stream.Seek(0, System.IO.SeekOrigin.Begin);
var result = new byte[stream.Length];
stream.Read(result, 0, result.Length);
// skip string length
Assert.True(textBytes.SequenceEqual(result.Skip(4)));
}
public void ReadOnEmpty()
{
var text = "JonnoJ";
var stream = new FastMemoryWriter();
stream.Write(text);
stream.Seek(0, System.IO.SeekOrigin.Begin);
var result = new byte[stream.Length];
var read = stream.Read(result, 0, result.Length);
Assert.Equal(result.Length, read);
read = stream.Read(result, 0, result.Length);
Assert.Equal(0, read);
}