public void ReadTo()
{
var buffer = new BufferReaderWriter(new byte[10], 0, 0, false);
buffer.WriteByte(1);
buffer.Seek(0, SeekOrigin.End);
buffer.WriteByte(2);
buffer.Seek(0, SeekOrigin.Begin);
var arr = new byte[10];
buffer.ReadTo(arr, 0, 10);
Assert.Equal(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 0, 2 }, arr);
Assert.Throws <InvalidOperationException>(() => buffer.ReadTo(arr, -1, 0));
Assert.Throws <InvalidOperationException>(() => buffer.ReadTo(arr, 0, -1));
arr = new byte[9];
Assert.Throws <InvalidOperationException>(() => buffer.ReadTo(arr, 0, 10));
arr = new byte[12];
buffer.Seek(0, SeekOrigin.Begin);
buffer.ReadTo(arr, 2, 10);
Assert.Equal(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2 }, arr);
}
public void CopyTo()
{
var buffer = new BufferReaderWriter(new byte[10], 0, 0, false);
buffer.WriteByte(1);
buffer.Seek(0, SeekOrigin.End);
buffer.WriteByte(2);
var arr = new byte[10];
buffer.CopyTo(arr, 0);
Assert.Equal(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 0, 2 }, arr);
Assert.Throws <InvalidOperationException>(() => buffer.CopyTo(arr, -1));
arr = new byte[9];
Assert.Throws <InvalidOperationException>(() => buffer.CopyTo(arr, 0));
arr = new byte[12];
buffer.CopyTo(arr, 2);
Assert.Equal(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2 }, arr);
buffer = new BufferReaderWriter(new byte[10] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
});
arr = new byte[8];
buffer.CopyTo(arr, 0, 2);
Assert.Equal(new byte[] { 3, 4, 5, 6, 7, 8, 9, 10 }, arr);
}
public void ResetLength()
{
var buffer = new BufferReaderWriter(new byte[10], 0, 0, false);
Assert.Equal(10, buffer.Capacity);
Assert.Equal(0, buffer.Length);
Assert.Equal(0, buffer.Index);
buffer.WriteInt(1);
buffer.WriteInt(2);
Assert.Equal(10, buffer.Capacity);
Assert.Equal(8, buffer.Length);
Assert.Equal(8, buffer.Index);
buffer.ResetLength();
Assert.Equal(10, buffer.Capacity);
Assert.Equal(0, buffer.Length);
Assert.Equal(0, buffer.Index);
buffer.WriteInt(1);
buffer.WriteInt(2);
buffer.WriteInt(3);
Assert.Equal(10 + 256, buffer.Capacity);
Assert.Equal(12, buffer.Length);
Assert.Equal(12, buffer.Index);
buffer.ResetLength();
Assert.Equal(10 + 256, buffer.Capacity);
Assert.Equal(0, buffer.Length);
Assert.Equal(0, buffer.Index);
}
public void LengthExtension()
{
var buffer = new BufferReaderWriter(100);
buffer.WriteInt(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.WriteShort(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.WriteShort(0x4243);
buffer.WriteInt(0x42434445);
buffer.WriteLong(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.ReadShort());
Assert.Equal(0x42434445, buffer.ReadInt());
Assert.Equal(0x4243444546474849, buffer.ReadLong());
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.ReadUShort());
Assert.Equal(0x00000006u, buffer.ReadUInt());
Assert.Equal(0x9BDBu, buffer.ReadUShort());
Assert.Equal(0xF9D29AD2u, buffer.ReadUInt());
}
public void Writing()
{
var buffer = new BufferReaderWriter();
buffer.WriteByte(0x42);
Assert.Equal(new byte[] { 0x42 }, buffer.Copy());
buffer = new BufferReaderWriter();
buffer.WriteShort(0x4243);
Assert.Equal(new byte[] { 0x42, 0x43 }, buffer.Copy());
buffer = new BufferReaderWriter();
buffer.WriteInt(0x42434445);
Assert.Equal(new byte[] { 0x42, 0x43, 0x44, 0x45 }, buffer.Copy());
buffer = new BufferReaderWriter();
buffer.WriteLong(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 Reading()
{
var buffer = new BufferReaderWriter(31);
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"));
Assert.Equal(0x5780u, buffer.ReadUInt16());
Assert.Equal(0x06000000u, buffer.ReadUInt32());
Assert.Equal(0xDB9Bu, buffer.ReadUInt16());
Assert.Equal(0xD29AD2F9u, buffer.ReadUInt32());
}
public void Resizing()
{
var buffer = new BufferReaderWriter(4);
Assert.Equal(4, buffer.Capacity);
buffer.WriteInt(0);
Assert.Equal(4, buffer.Capacity);
buffer.WriteInt(0);
Assert.Equal(260, buffer.Capacity);
}
public void WritingLE()
{
var buffer = new BufferReaderWriter()
{
Endianness = Endianness.LittleEndian
};
buffer.WriteByte(0x42);
Assert.Equal(new byte[] { 0x42 }, buffer.Copy());
buffer = new BufferReaderWriter()
{
Endianness = Endianness.LittleEndian
};
buffer.WriteInt16(0x4243);
Assert.Equal(new byte[] { 0x43, 0x42 }, buffer.Copy());
buffer = new BufferReaderWriter()
{
Endianness = Endianness.LittleEndian
};
buffer.WriteInt32(0x42434445);
Assert.Equal(new byte[] { 0x45, 0x44, 0x43, 0x42 }, buffer.Copy());
buffer = new BufferReaderWriter()
{
Endianness = Endianness.LittleEndian
};
buffer.WriteInt64(0x4243444546474849);
Assert.Equal(new byte[] { 0x49, 0x48, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42 }, buffer.Copy());
buffer = new BufferReaderWriter()
{
Endianness = Endianness.LittleEndian
};
buffer.WriteFloat(42.43f);
Assert.Equal(new byte[] { 0x52, 0xB8, 0x29, 0x42 }, buffer.Copy());
buffer = new BufferReaderWriter()
{
Endianness = Endianness.LittleEndian
};
buffer.WriteDouble(42.43);
Assert.Equal(new byte[] { 0xD7, 0xA3, 0x70, 0x3D, 0x0A, 0x37, 0x45, 0x40 }, buffer.Copy());
buffer = new BufferReaderWriter()
{
Endianness = Endianness.LittleEndian
};
buffer.Write(new byte[] { 0x42, 0x43, 0x44, 0x45 });
Assert.Equal(new byte[] { 0x42, 0x43, 0x44, 0x45 }, buffer.Copy());
}
public void FixedLength()
{
var buffer = new BufferReaderWriter(new byte[10], 0, 0, false);
buffer.WriteInt(0x01020304);
buffer.WriteInt(0x01020304);
Assert.DoesNotThrow(() => buffer.WriteInt(0x01020304));
buffer = new BufferReaderWriter(new byte[10], 0, 0, true);
buffer.WriteInt(0x01020304);
buffer.WriteInt(0x01020304);
Assert.Throws <InvalidOperationException>(() => buffer.WriteInt(0x01020304));
}
public void Seeking()
{
var buffer = new BufferReaderWriter(10);
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0, buffer.Index);
buffer.Seek(0, SeekOrigin.End);
Assert.Equal(9, buffer.Index);
buffer.Seek(-4, SeekOrigin.Current);
Assert.Equal(5, buffer.Index);
buffer.Seek(2, SeekOrigin.Current);
Assert.Equal(7, buffer.Index);
Assert.DoesNotThrow(() => { buffer.Seek(2, SeekOrigin.Current); });
buffer.Seek(-2, SeekOrigin.Current);
Assert.Throws <InvalidOperationException>(() => { buffer.Seek(3, SeekOrigin.Current); });
Assert.DoesNotThrow(() => { buffer.Seek(-7, SeekOrigin.Current); });
buffer.Seek(2, SeekOrigin.Current);
Assert.Throws <InvalidOperationException>(() => { buffer.Seek(-3, SeekOrigin.Current); });
Assert.DoesNotThrow(() => { buffer.Seek(-1, SeekOrigin.End); });
Assert.DoesNotThrow(() => { buffer.Seek(-5, SeekOrigin.End); });
Assert.DoesNotThrow(() => { buffer.Seek(-9, SeekOrigin.End); });
Assert.Throws <InvalidOperationException>(() => { buffer.Seek(1, SeekOrigin.End); });
Assert.Throws <InvalidOperationException>(() => { buffer.Seek(10, SeekOrigin.End); });
Assert.DoesNotThrow(() => { buffer.Seek(1, SeekOrigin.Begin); });
Assert.DoesNotThrow(() => { buffer.Seek(5, SeekOrigin.Begin); });
Assert.DoesNotThrow(() => { buffer.Seek(9, SeekOrigin.Begin); });
Assert.Throws <InvalidOperationException>(() => { buffer.Seek(-1, SeekOrigin.Begin); });
Assert.Throws <InvalidOperationException>(() => { buffer.Seek(10, SeekOrigin.Begin); });
buffer.Seek(5, SeekOrigin.Begin);
Assert.DoesNotThrow(() => { buffer.Seek(1, SeekOrigin.Current); });
buffer.Seek(5, SeekOrigin.Begin);
Assert.DoesNotThrow(() => { buffer.Seek(4, SeekOrigin.Current); });
buffer.Seek(5, SeekOrigin.Begin);
Assert.DoesNotThrow(() => { buffer.Seek(-1, SeekOrigin.Current); });
buffer.Seek(5, SeekOrigin.Begin);
Assert.DoesNotThrow(() => { buffer.Seek(-5, SeekOrigin.Current); });
buffer.Seek(5, SeekOrigin.Begin);
Assert.Throws <InvalidOperationException>(() => { buffer.Seek(-6, SeekOrigin.Current); });
buffer.Seek(5, SeekOrigin.Begin);
Assert.Throws <InvalidOperationException>(() => { buffer.Seek(5, SeekOrigin.Current); });
}
public void Rewriting()
{
var buffer = new BufferReaderWriter(10);
buffer.WriteShort(0);
buffer.WriteLong(0);
var index = buffer.Index;
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteShort(0x1111);
buffer.WriteLong(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.ReadShort());
Assert.Equal(0x2222222222222222, buffer.ReadLong());
}
public void Reading()
{
var buffer = new BufferReaderWriter(31);
buffer.WriteByte(0x42);
buffer.WriteShort(0x4243);
buffer.WriteInt(0x42434445);
buffer.WriteLong(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.ReadShort());
Assert.Equal(0x42434445, buffer.ReadInt());
Assert.Equal(0x4243444546474849, buffer.ReadLong());
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); });
}
public void VarInt()
{
var buffer = new BufferReaderWriter(new byte[10], 0, 0, false);
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x00000000);
Assert.Equal(new byte[] { 0x00 }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x00, buffer.ReadVarInt());
}
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x0000007F);
Assert.Equal(new byte[] { 0x7F }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x7F, buffer.ReadVarInt());
}
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x00000080);
Assert.Equal(new byte[] { 0x80, 0x01 }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x80, buffer.ReadVarInt());
}
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x00002000);
Assert.Equal(new byte[] { 0x80, 0x40 }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x2000, buffer.ReadVarInt());
}
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x00003FFF);
Assert.Equal(new byte[] { 0xFF, 0x7F }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x3FFF, buffer.ReadVarInt());
}
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x00004000);
Assert.Equal(new byte[] { 0x80, 0x80, 0x01 }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x4000, buffer.ReadVarInt());
}
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x001FFFFF);
Assert.Equal(new byte[] { 0xFF, 0xFF, 0x7F }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x1FFFFF, buffer.ReadVarInt());
}
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x00200000);
Assert.Equal(new byte[] { 0x80, 0x80, 0x80, 0x01 }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x200000, buffer.ReadVarInt());
}
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x08000000);
Assert.Equal(new byte[] { 0x80, 0x80, 0x80, 0x40 }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0x8000000, buffer.ReadVarInt());
}
{
buffer.Seek(0, SeekOrigin.Begin);
buffer.WriteVarInt(0x0FFFFFFF);
Assert.Equal(new byte[] { 0xFF, 0xFF, 0xFF, 0x7F }, buffer.Copy());
buffer.Seek(0, SeekOrigin.Begin);
Assert.Equal(0xFFFFFFF, buffer.ReadVarInt());
}
}