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nim-stint/tests/test_uint_comparison.nim

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# 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, test_helpers
template chkLT(chk: untyped, a, b: string, bits: int) =
chk fromHex(StUint[bits], a) < fromHex(StUint[bits], b)
template chkNotLT(chk: untyped, a, b: string, bits: int) =
chk (not(fromHex(StUint[bits], b) < fromHex(StUint[bits], a)))
template chkLTE(chk: untyped, a, b: string, bits: int) =
chk fromHex(StUint[bits], a) <= fromHex(StUint[bits], b)
template chkNotLTE(chk: untyped, a, b: string, bits: int) =
chk (not(fromHex(StUint[bits], b) <= fromHex(StUint[bits], a)))
template chkEQ(chk: untyped, a, b: string, bits: int) =
chk fromHex(StUint[bits], a) == fromHex(StUint[bits], b)
template chkNotEQ(chk: untyped, a, b: string, bits: int) =
chk (not(fromHex(StUint[bits], a) == fromHex(StUint[bits], b)))
template chkIsZero(chk: untyped, a: string, bits: int) =
chk fromHex(StUint[bits], a).isZero()
template chkNotIsZero(chk: untyped, a: string, bits: int) =
chk (not fromHex(StUint[bits], a).isZero())
template chkIsOdd(chk: untyped, a: string, bits: int) =
chk fromHex(StUint[bits], a).isOdd()
template chkNotIsOdd(chk: untyped, a: string, bits: int) =
chk (not fromHex(StUint[bits], a).isOdd())
template chkIsEven(chk: untyped, a: string, bits: int) =
chk fromHex(StUint[bits], a).isEven()
template chkNotIsEven(chk: untyped, a: string, bits: int) =
chk (not fromHex(StUint[bits], a).isEven())
template testComparison(chk, tst: untyped) =
tst "operator `LT`":
chkLT(chk, "0", "F", 8)
chkLT(chk, "F", "FF", 8)
chkLT(chk, "0", "F", 16)
chkLT(chk, "F", "FF", 16)
chkLT(chk, "FF", "FFF", 16)
chkLT(chk, "0", "F", 32)
chkLT(chk, "F", "FF", 32)
chkLT(chk, "FF", "FFF", 32)
chkLT(chk, "FFFF", "FFFFF", 32)
chkLT(chk, "0", "F", 64)
chkLT(chk, "F", "FF", 64)
chkLT(chk, "FF", "FFF", 64)
chkLT(chk, "FFFF", "FFFFF", 64)
chkLT(chk, "FFFFF", "FFFFFFFF", 64)
chkLT(chk, "0", "F", 128)
chkLT(chk, "F", "FF", 128)
chkLT(chk, "FF", "FFF", 128)
chkLT(chk, "FFFF", "FFFFF", 128)
chkLT(chk, "FFFFF", "FFFFFFFF", 128)
chkLT(chk, "FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
tst "operator not `LT`":
chkNotLT(chk, "0", "F", 8)
chkNotLT(chk, "F", "FF", 8)
chkNotLT(chk, "0", "F", 16)
chkNotLT(chk, "F", "FF", 16)
chkNotLT(chk, "FF", "FFF", 16)
chkNotLT(chk, "0", "F", 32)
chkNotLT(chk, "F", "FF", 32)
chkNotLT(chk, "FF", "FFF", 32)
chkNotLT(chk, "FFFF", "FFFFF", 32)
chkNotLT(chk, "0", "F", 64)
chkNotLT(chk, "F", "FF", 64)
chkNotLT(chk, "FF", "FFF", 64)
chkNotLT(chk, "FFFF", "FFFFF", 64)
chkNotLT(chk, "FFFFF", "FFFFFFFF", 64)
chkNotLT(chk, "0", "F", 128)
chkNotLT(chk, "F", "FF", 128)
chkNotLT(chk, "FF", "FFF", 128)
chkNotLT(chk, "FFFF", "FFFFF", 128)
chkNotLT(chk, "FFFFF", "FFFFFFFF", 128)
chkNotLT(chk, "FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
tst "operator `LTE`":
chkLTE(chk, "0", "F", 8)
chkLTE(chk, "F", "FF", 8)
chkLTE(chk, "F", "F", 8)
chkLTE(chk, "0", "F", 16)
chkLTE(chk, "F", "FF", 16)
chkLTE(chk, "FF", "FFF", 16)
chkLTE(chk, "FFF", "FFF", 16)
chkLTE(chk, "0", "F", 32)
chkLTE(chk, "F", "FF", 32)
chkLTE(chk, "FF", "FFF", 32)
chkLTE(chk, "FFFF", "FFFFF", 32)
chkLTE(chk, "FFFFF", "FFFFF", 32)
chkLTE(chk, "0", "F", 64)
chkLTE(chk, "F", "FF", 64)
chkLTE(chk, "FF", "FFF", 64)
chkLTE(chk, "FFFF", "FFFFF", 64)
chkLTE(chk, "FFFFF", "FFFFFFFF", 64)
chkLTE(chk, "FFFFFFFF", "FFFFFFFF", 64)
chkLTE(chk, "0", "F", 128)
chkLTE(chk, "F", "FF", 128)
chkLTE(chk, "FF", "FFF", 128)
chkLTE(chk, "FFFF", "FFFFF", 128)
chkLTE(chk, "FFFFF", "FFFFFFFF", 128)
chkLTE(chk, "FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
chkLTE(chk, "FFFFFFFFFFFFFFFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
tst "operator not `LTE`":
chkNotLTE(chk, "0", "F", 8)
chkNotLTE(chk, "F", "FF", 8)
chkNotLTE(chk, "0", "F", 16)
chkNotLTE(chk, "F", "FF", 16)
chkNotLTE(chk, "FF", "FFF", 16)
chkNotLTE(chk, "0", "F", 32)
chkNotLTE(chk, "F", "FF", 32)
chkNotLTE(chk, "FF", "FFF", 32)
chkNotLTE(chk, "FFFF", "FFFFF", 32)
chkNotLTE(chk, "0", "F", 64)
chkNotLTE(chk, "F", "FF", 64)
chkNotLTE(chk, "FF", "FFF", 64)
chkNotLTE(chk, "FFFF", "FFFFF", 64)
chkNotLTE(chk, "FFFFF", "FFFFFFFF", 64)
chkNotLTE(chk, "0", "F", 128)
chkNotLTE(chk, "F", "FF", 128)
chkNotLTE(chk, "FF", "FFF", 128)
chkNotLTE(chk, "FFFF", "FFFFF", 128)
chkNotLTE(chk, "FFFFF", "FFFFFFFF", 128)
chkNotLTE(chk, "FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
tst "operator `EQ`":
chkEQ(chk, "0", "0", 8)
chkEQ(chk, "FF", "FF", 8)
chkEQ(chk, "F", "F", 8)
chkEQ(chk, "0", "0", 16)
chkEQ(chk, "F", "F", 16)
chkEQ(chk, "FF", "FF", 16)
chkEQ(chk, "FFF", "FFF", 16)
chkEQ(chk, "0", "0", 32)
chkEQ(chk, "F", "F", 32)
chkEQ(chk, "FF", "FF", 32)
chkEQ(chk, "FFFF", "FFFF", 32)
chkEQ(chk, "FFFFF", "FFFFF", 32)
chkEQ(chk, "0", "0", 64)
chkEQ(chk, "F", "F", 64)
chkEQ(chk, "FF", "FF", 64)
chkEQ(chk, "FFFF", "FFFF", 64)
chkEQ(chk, "FFFFF", "FFFFF", 64)
chkEQ(chk, "FFFFFFFF", "FFFFFFFF", 64)
chkEQ(chk, "0", "0", 128)
chkEQ(chk, "F", "F", 128)
chkEQ(chk, "FF", "FF", 128)
chkEQ(chk, "FFFF", "FFFF", 128)
chkEQ(chk, "FFFFF", "FFFFF", 128)
chkEQ(chk, "FFFFFFFFFFFFFFFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
tst "operator not `EQ`":
chkNotEQ(chk, "0", "F", 8)
chkNotEQ(chk, "F", "FF", 8)
chkNotEQ(chk, "0", "F", 16)
chkNotEQ(chk, "F", "FF", 16)
chkNotEQ(chk, "FF", "FFF", 16)
chkNotEQ(chk, "0", "F", 32)
chkNotEQ(chk, "F", "FF", 32)
chkNotEQ(chk, "FF", "FFF", 32)
chkNotEQ(chk, "FFFF", "FFFFF", 32)
chkNotEQ(chk, "0", "F", 64)
chkNotEQ(chk, "F", "FF", 64)
chkNotEQ(chk, "FF", "FFF", 64)
chkNotEQ(chk, "FFFF", "FFFFF", 64)
chkNotEQ(chk, "FFFFF", "FFFFFFFF", 64)
chkNotEQ(chk, "0", "F", 128)
chkNotEQ(chk, "F", "FF", 128)
chkNotEQ(chk, "FF", "FFF", 128)
chkNotEQ(chk, "FFFF", "FFFFF", 128)
chkNotEQ(chk, "FFFFF", "FFFFFFFF", 128)
chkNotEQ(chk, "FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
tst "operator `isZero`":
chkIsZero(chk, "0", 8)
chkIsZero(chk, "0", 16)
chkIsZero(chk, "0", 32)
chkIsZero(chk, "0", 64)
chkIsZero(chk, "0", 128)
chkIsZero(chk, "0", 256)
tst "operator not `isZero`":
chkNotIsZero(chk, "1", 8)
chkNotIsZero(chk, "2", 16)
chkNotIsZero(chk, "3", 32)
chkNotIsZero(chk, "4", 64)
chkNotIsZero(chk, "5", 128)
chkNotIsZero(chk, "6", 256)
tst "operator `isOdd`":
chkIsOdd(chk, "1", 8)
chkIsOdd(chk, "1", 16)
chkIsOdd(chk, "1", 32)
chkIsOdd(chk, "1", 64)
chkIsOdd(chk, "1", 128)
chkIsOdd(chk, "1", 256)
chkIsOdd(chk, "FF", 8)
chkIsOdd(chk, "FFF", 16)
chkIsOdd(chk, "FFFFF", 32)
chkIsOdd(chk, "FFFFFF", 64)
chkIsOdd(chk, "FFFFFFFFFFFFFFF", 128)
chkIsOdd(chk, "FFFFFFFFFFFFFFFFFF", 256)
tst "operator not `isOdd`":
chkNotIsOdd(chk, "0", 8)
chkNotIsOdd(chk, "0", 16)
chkNotIsOdd(chk, "0", 32)
chkNotIsOdd(chk, "0", 64)
chkNotIsOdd(chk, "0", 128)
chkNotIsOdd(chk, "0", 256)
chkNotIsOdd(chk, "4", 8)
chkNotIsOdd(chk, "4", 16)
chkNotIsOdd(chk, "4", 32)
chkNotIsOdd(chk, "4", 64)
chkNotIsOdd(chk, "4", 128)
chkNotIsOdd(chk, "4", 256)
chkNotIsOdd(chk, "A", 8)
chkNotIsOdd(chk, "AAA", 16)
chkNotIsOdd(chk, "AAAA", 32)
chkNotIsOdd(chk, "FFFFFA", 64)
chkNotIsOdd(chk, "FFFFFFFFFFFFFFA", 128)
chkNotIsOdd(chk, "FFFFFFFFFFFFFFFFFA", 256)
tst "operator `isEven`":
chkNotIsOdd(chk, "0", 8)
chkNotIsOdd(chk, "0", 16)
chkNotIsOdd(chk, "0", 32)
chkNotIsOdd(chk, "0", 64)
chkNotIsOdd(chk, "0", 128)
chkNotIsOdd(chk, "0", 256)
chkNotIsOdd(chk, "4", 8)
chkNotIsOdd(chk, "4", 16)
chkNotIsOdd(chk, "4", 32)
chkNotIsOdd(chk, "4", 64)
chkNotIsOdd(chk, "4", 128)
chkNotIsOdd(chk, "4", 256)
chkNotIsOdd(chk, "A", 8)
chkNotIsOdd(chk, "AAA", 16)
chkNotIsOdd(chk, "AAAA", 32)
chkNotIsOdd(chk, "FFFFFA", 64)
chkNotIsOdd(chk, "FFFFFFFFFFFFFFA", 128)
chkNotIsOdd(chk, "FFFFFFFFFFFFFFFFFA", 256)
tst "operator not `isEven`":
chkIsOdd(chk, "1", 8)
chkIsOdd(chk, "1", 16)
chkIsOdd(chk, "1", 32)
chkIsOdd(chk, "1", 64)
chkIsOdd(chk, "1", 128)
chkIsOdd(chk, "1", 256)
chkIsOdd(chk, "FF", 8)
chkIsOdd(chk, "FFF", 16)
chkIsOdd(chk, "FFFFF", 32)
chkIsOdd(chk, "FFFFFF", 64)
chkIsOdd(chk, "FFFFFFFFFFFFFFF", 128)
chkIsOdd(chk, "FFFFFFFFFFFFFFFFFF", 256)
static:
testComparison(ctCheck, ctTest)
suite "Wider unsigned int comparison coverage":
testComparison(check, test)
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
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