================
Input: []
Result: EOF (read big-endian)
================
Input: [0u8]
Result: Incomplete ([0u8]) (read big-endian)
================
Input: [1u8, 0u8] (LE: 1) (BE: 256)
Result: 256i16 (read big-endian)
================
Input: [255u8, 0u8] (LE: 255) (BE: -256)
Result: -256i16 (read big-endian)
================
Input: []
Result: EOF (read little-endian)
================
Input: [0u8]
Result: Incomplete ([0u8]) (read little-endian)
================
Input: [1u8, 0u8] (LE: 1) (BE: 256)
Result: 1i16 (read little-endian)
================
Input: [255u8, 0u8] (LE: 255) (BE: -256)
Result: 255i16 (read little-endian)
================
Input: []
Result: EOF (read native byte order)
================
Input: [0u8]
Result: Incomplete ([0u8]) (read native byte order)
================
Input: [1u8, 0u8] (LE: 1) (BE: 256)
Result: 1i16 (read native byte order)
================
Input: [255u8, 0u8] (LE: 255) (BE: -256)
Result: 255i16 (read native byte order)