public void LengthExtension()
{
var buffer = new BufferReaderWriter(100);
buffer.WriteInt32(0x01020304);
Assert.Equal(4, buffer.Length);
buffer.Seek(2, SeekOrigin.Begin);
buffer.WriteByte(1);
Assert.Equal(4, buffer.Length);
Assert.Equal(new byte[] { 1, 2, 1, 4 }, buffer.Copy());
buffer.Seek(3, SeekOrigin.Begin);
buffer.WriteInt16(0x0104);
Assert.Equal(5, buffer.Length);
Assert.Equal(new byte[] { 1, 2, 1, 1, 4 }, buffer.Copy());
buffer.Seek(5, SeekOrigin.Begin);
buffer.Write(new byte[] { 0x05, 0x06, 0x07 });
Assert.Equal(8, buffer.Length);
Assert.Equal(new byte[] { 1, 2, 1, 1, 4, 5, 6, 7 }, buffer.Copy());
buffer.Seek(10, SeekOrigin.Begin);
buffer.WriteByte(1);
Assert.Equal(11, buffer.Length);
Assert.Equal(new byte[] { 1, 2, 1, 1, 4, 5, 6, 7, 0, 0, 1 }, buffer.Copy());
}
public void ReadingLE()
{
var buffer = new BufferReaderWriter(31);
buffer.Endianness = Endianness.LittleEndian;
buffer.WriteByte(0x42);
buffer.WriteInt16(0x4243);
buffer.WriteInt32(0x42434445);
buffer.WriteInt64(0x4243444546474849);
buffer.WriteFloat(42.43f);
buffer.WriteDouble(42.43);
buffer.Write(new byte[] { 0x42, 0x43, 0x44, 0x45 });
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x42, buffer.ReadByte());
Assert.Equal(0x4243, buffer.ReadInt16());
Assert.Equal(0x42434445, buffer.ReadInt32());
Assert.Equal(0x4243444546474849, buffer.ReadInt64());
Assert.Equal(42.43f, buffer.ReadFloat());
Assert.Equal(42.43, buffer.ReadDouble());
Assert.Equal(new byte[] { 0x42, 0x43, 0x44, 0x45 }, buffer.Read(4));
Assert.Throws <InvalidOperationException>(() => { buffer.Read(1); });
buffer = new BufferReaderWriter(Hex.ToByteArray("57 80 06 00 00 00 DB 9B D2 9A D2 F9"));
buffer.Endianness = Endianness.LittleEndian;
Assert.Equal(0x8057u, buffer.ReadUInt16());
Assert.Equal(0x00000006u, buffer.ReadUInt32());
Assert.Equal(0x9BDBu, buffer.ReadUInt16());
Assert.Equal(0xF9D29AD2u, buffer.ReadUInt32());
}
public void Writing()
{
var buffer = new BufferReaderWriter();
buffer.WriteByte(0x42);
Assert.Equal(new byte[] { 0x42 }, buffer.Copy());
buffer = new BufferReaderWriter();
buffer.WriteInt16(0x4243);
Assert.Equal(new byte[] { 0x42, 0x43 }, buffer.Copy());
buffer = new BufferReaderWriter();
buffer.WriteInt32(0x42434445);
Assert.Equal(new byte[] { 0x42, 0x43, 0x44, 0x45 }, buffer.Copy());
buffer = new BufferReaderWriter();
buffer.WriteInt64(0x4243444546474849);
Assert.Equal(new byte[] { 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49 }, buffer.Copy());
buffer = new BufferReaderWriter();
buffer.WriteFloat(42.43f);
Assert.Equal(new byte[] { 0x52, 0xB8, 0x29, 0x42 }, buffer.Copy());
buffer = new BufferReaderWriter();
buffer.WriteDouble(42.43);
Assert.Equal(new byte[] { 0xD7, 0xA3, 0x70, 0x3D, 0x0A, 0x37, 0x45, 0x40 }, buffer.Copy());
buffer = new BufferReaderWriter();
buffer.Write(new byte[] { 0x42, 0x43, 0x44, 0x45 });
Assert.Equal(new byte[] { 0x42, 0x43, 0x44, 0x45 }, buffer.Copy());
}
public void Rewriting()
{
var buffer = new BufferReaderWriter(10);
buffer.WriteInt16(0);
buffer.WriteInt64(0);
var index = buffer.Index;
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteInt16(0x1111);
buffer.WriteInt64(0x2222222222222222);
Console.WriteLine("index: " + index);
Console.WriteLine("capac: " + buffer.Capacity);
buffer.Seek(index, SeekOrigin.Begin);
Assert.Equal(9, buffer.Index);
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x1111, buffer.ReadInt16());
Assert.Equal(0x2222222222222222, buffer.ReadInt64());
}