public void ShouldGetInt16BigEndian(short value, int index)
{
var bytes = BitConverter.GetBytes(value);
Array.Copy(bytes, 0, _buffer, index, 2);
var result = _directBuffer.Int16GetBigEndian(index);
var expected = EndianessConverter.ApplyInt16(ByteOrder.BigEndian, value);
Assert.AreEqual(expected, result);
}
/// <summary>
/// Get an integer value from a buffer at a given index.
/// </summary>
/// <param name="buffer"> from which to read. </param>
/// <param name="bufferIndex"> at which he integer should be read. </param>
/// <param name="type"> of the integer encoded in the buffer. </param>
/// <param name="byteOrder"> of the integer in the buffer. </param>
/// <returns> the value of the encoded integer. </returns>
internal static int GetInt(DirectBuffer buffer, int bufferIndex, PrimitiveType type, ByteOrder byteOrder)
{
switch (type.Type)
{
case SbePrimitiveType.Int8:
return buffer.Int8Get(bufferIndex);
case SbePrimitiveType.UInt8:
return buffer.Uint8Get(bufferIndex);
case SbePrimitiveType.Int16:
return byteOrder == ByteOrder.LittleEndian ? buffer.Int16GetLittleEndian(bufferIndex) : buffer.Int16GetBigEndian(bufferIndex);
case SbePrimitiveType.UInt16:
return byteOrder == ByteOrder.LittleEndian ? buffer.Uint16GetLittleEndian(bufferIndex) : buffer.Uint16GetBigEndian(bufferIndex);
case SbePrimitiveType.Int32:
return byteOrder == ByteOrder.LittleEndian ? buffer.Int32GetLittleEndian(bufferIndex) : buffer.Int32GetBigEndian(bufferIndex);
default:
throw new System.ArgumentException("Unsupported type: " + type);
}
}
/// <summary>
/// Get an integer value from a buffer at a given index.
/// </summary>
/// <param name="buffer"> from which to read. </param>
/// <param name="bufferIndex"> at which he integer should be read. </param>
/// <param name="type"> of the integer encoded in the buffer. </param>
/// <param name="byteOrder"> of the integer in the buffer. </param>
/// <returns> the value of the encoded integer. </returns>
internal static int GetInt(DirectBuffer buffer, int bufferIndex, PrimitiveType type, ByteOrder byteOrder)
{
switch (type.Type)
{
case SbePrimitiveType.Int8:
return(buffer.Int8Get(bufferIndex));
case SbePrimitiveType.UInt8:
return(buffer.Uint8Get(bufferIndex));
case SbePrimitiveType.Int16:
return(byteOrder == ByteOrder.LittleEndian ? buffer.Int16GetLittleEndian(bufferIndex) : buffer.Int16GetBigEndian(bufferIndex));
case SbePrimitiveType.UInt16:
return(byteOrder == ByteOrder.LittleEndian ? buffer.Uint16GetLittleEndian(bufferIndex) : buffer.Uint16GetBigEndian(bufferIndex));
case SbePrimitiveType.Int32:
return(byteOrder == ByteOrder.LittleEndian ? buffer.Int32GetLittleEndian(bufferIndex) : buffer.Int32GetBigEndian(bufferIndex));
default:
throw new System.ArgumentException("Unsupported type: " + type);
}
}
