65 lines
1.4 KiB
Nim
65 lines
1.4 KiB
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 unsigned int comparison operators":
|
|
let
|
|
a = 10'i16.stuint(16)
|
|
b = 15'i16.stuint(16)
|
|
c = 150'u16
|
|
d = 4.stuint(128) shl 64
|
|
e = 4.stuint(128)
|
|
f = 4.stuint(128) shl 65
|
|
|
|
test "< operator":
|
|
check:
|
|
a < b
|
|
not (a + b < b)
|
|
not (a + a + a < b + b)
|
|
not (a * b < cast[StUint[16]](c))
|
|
e < d
|
|
d < f
|
|
|
|
test "<= operator":
|
|
check:
|
|
a <= b
|
|
not (a + b <= b)
|
|
a + a + a <= b + b
|
|
a * b <= cast[StUint[16]](c)
|
|
e <= d
|
|
d <= f
|
|
|
|
test "> operator":
|
|
check:
|
|
b > a
|
|
not (b > a + b)
|
|
not (b + b > a + a + a)
|
|
not (cast[StUint[16]](c) > a * b)
|
|
d > e
|
|
f > d
|
|
|
|
test ">= operator":
|
|
check:
|
|
b >= a
|
|
not (b >= a + b)
|
|
b + b >= a + a + a
|
|
cast[StUint[16]](c) >= a * b
|
|
d >= e
|
|
f >= d
|
|
|
|
test "isOdd/isEven":
|
|
check:
|
|
a.isEven
|
|
not a.isOdd
|
|
b.isOdd
|
|
not b.isEven
|
|
c.isEven
|
|
not c.isOdd
|