nim-stint/tests/test_int_endianness.nim

29 lines
858 B
Nim

# Stint
# Copyright 2018 Status Research & Development GmbH
# Licensed under either of
#
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
#
# at your option. This file may not be copied, modified, or distributed except according to those terms.
import ../stint, unittest
suite "Testing signed int byte representation":
test "Byte representation conforms to the platform endianness":
block:
let a = 20182018.stint(64)
let b = 20182018'i64
type AsBytes = array[8, byte]
check cast[AsBytes](a) == cast[AsBytes](b)
block:
let a = (-20182018).stint(64)
let b = -20182018'i64
type AsBytes = array[8, byte]
check cast[AsBytes](a) == cast[AsBytes](b)