237 lines
6.0 KiB
Nim
237 lines
6.0 KiB
Nim
# Stint
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# Copyright 2018-2023 Status Research & Development GmbH
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# Licensed under either of
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#
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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#
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import ../stint, unittest2
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template chkLT(a, b: string, bits: int) =
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check fromHex(StUint[bits], a) < fromHex(StUint[bits], b)
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template chkNotLT(a, b: string, bits: int) =
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check (not(fromHex(StUint[bits], b) < fromHex(StUint[bits], a)))
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template chkLTE(a, b: string, bits: int) =
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check fromHex(StUint[bits], a) <= fromHex(StUint[bits], b)
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template chkNotLTE(a, b: string, bits: int) =
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check (not(fromHex(StUint[bits], b) <= fromHex(StUint[bits], a)))
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template chkEQ(a, b: string, bits: int) =
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check fromHex(StUint[bits], a) == fromHex(StUint[bits], b)
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template chkNotEQ(a, b: string, bits: int) =
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check (not(fromHex(StUint[bits], a) == fromHex(StUint[bits], b)))
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template chkIsZero(a: string, bits: int) =
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check fromHex(StUint[bits], a).isZero()
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template chkNotIsZero(a: string, bits: int) =
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check (not fromHex(StUint[bits], a).isZero())
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template chkIsOdd(a: string, bits: int) =
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check fromHex(StUint[bits], a).isOdd()
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template chkNotIsOdd(a: string, bits: int) =
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check (not fromHex(StUint[bits], a).isOdd())
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suite "Wider unsigned int comparison coverage":
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test "operator `LT`":
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chkLT("0", "F", 64)
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chkLT("F", "FF", 64)
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chkLT("FF", "FFF", 64)
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chkLT("FFFF", "FFFFF", 64)
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chkLT("FFFFF", "FFFFFFFF", 64)
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chkLT("0", "F", 128)
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chkLT("F", "FF", 128)
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chkLT("FF", "FFF", 128)
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chkLT("FFFF", "FFFFF", 128)
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chkLT("FFFFF", "FFFFFFFF", 128)
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chkLT("FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
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test "operator not `LT`":
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chkNotLT("0", "F", 64)
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chkNotLT("F", "FF", 64)
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chkNotLT("FF", "FFF", 64)
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chkNotLT("FFFF", "FFFFF", 64)
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chkNotLT("FFFFF", "FFFFFFFF", 64)
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chkNotLT("0", "F", 128)
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chkNotLT("F", "FF", 128)
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chkNotLT("FF", "FFF", 128)
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chkNotLT("FFFF", "FFFFF", 128)
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chkNotLT("FFFFF", "FFFFFFFF", 128)
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chkNotLT("FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
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test "operator `LTE`":
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chkLTE("0", "F", 64)
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chkLTE("F", "FF", 64)
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chkLTE("FF", "FFF", 64)
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chkLTE("FFFF", "FFFFF", 64)
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chkLTE("FFFFF", "FFFFFFFF", 64)
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chkLTE("FFFFFFFF", "FFFFFFFF", 64)
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chkLTE("0", "F", 128)
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chkLTE("F", "FF", 128)
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chkLTE("FF", "FFF", 128)
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chkLTE("FFFF", "FFFFF", 128)
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chkLTE("FFFFF", "FFFFFFFF", 128)
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chkLTE("FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
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chkLTE("FFFFFFFFFFFFFFFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
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test "operator not `LTE`":
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chkNotLTE("0", "F", 64)
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chkNotLTE("F", "FF", 64)
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chkNotLTE("FF", "FFF", 64)
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chkNotLTE("FFFF", "FFFFF", 64)
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chkNotLTE("FFFFF", "FFFFFFFF", 64)
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chkNotLTE("0", "F", 128)
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chkNotLTE("F", "FF", 128)
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chkNotLTE("FF", "FFF", 128)
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chkNotLTE("FFFF", "FFFFF", 128)
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chkNotLTE("FFFFF", "FFFFFFFF", 128)
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chkNotLTE("FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
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test "operator `EQ`":
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chkEQ("0", "0", 64)
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chkEQ("F", "F", 64)
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chkEQ("FF", "FF", 64)
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chkEQ("FFFF", "FFFF", 64)
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chkEQ("FFFFF", "FFFFF", 64)
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chkEQ("FFFFFFFF", "FFFFFFFF", 64)
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chkEQ("0", "0", 128)
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chkEQ("F", "F", 128)
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chkEQ("FF", "FF", 128)
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chkEQ("FFFF", "FFFF", 128)
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chkEQ("FFFFF", "FFFFF", 128)
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chkEQ("FFFFFFFFFFFFFFFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
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test "operator not `EQ`":
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chkNotEQ("0", "F", 64)
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chkNotEQ("F", "FF", 64)
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chkNotEQ("FF", "FFF", 64)
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chkNotEQ("FFFF", "FFFFF", 64)
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chkNotEQ("FFFFF", "FFFFFFFF", 64)
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chkNotEQ("0", "F", 128)
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chkNotEQ("F", "FF", 128)
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chkNotEQ("FF", "FFF", 128)
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chkNotEQ("FFFF", "FFFFF", 128)
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chkNotEQ("FFFFF", "FFFFFFFF", 128)
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chkNotEQ("FFFFFFFFFFF", "FFFFFFFFFFFFFFFFFFFFFFFF", 128)
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test "operator `isZero`":
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chkIsZero("0", 64)
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chkIsZero("0", 128)
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chkIsZero("0", 256)
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test "operator not `isZero`":
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chkNotIsZero("4", 64)
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chkNotIsZero("5", 128)
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chkNotIsZero("6", 256)
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test "operator `isOdd`":
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chkIsOdd("1", 64)
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chkIsOdd("1", 128)
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chkIsOdd("1", 256)
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chkIsOdd("FFFFFF", 64)
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chkIsOdd("FFFFFFFFFFFFFFF", 128)
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chkIsOdd("FFFFFFFFFFFFFFFFFF", 256)
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test "operator not `isOdd`":
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chkNotIsOdd("0", 64)
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chkNotIsOdd("0", 128)
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chkNotIsOdd("0", 256)
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chkNotIsOdd("4", 64)
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chkNotIsOdd("4", 128)
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chkNotIsOdd("4", 256)
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chkNotIsOdd("FFFFFA", 64)
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chkNotIsOdd("FFFFFFFFFFFFFFA", 128)
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chkNotIsOdd("FFFFFFFFFFFFFFFFFA", 256)
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test "operator `isEven`":
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chkNotIsOdd("0", 64)
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chkNotIsOdd("0", 128)
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chkNotIsOdd("0", 256)
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chkNotIsOdd("4", 64)
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chkNotIsOdd("4", 128)
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chkNotIsOdd("4", 256)
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chkNotIsOdd("FFFFFA", 64)
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chkNotIsOdd("FFFFFFFFFFFFFFA", 128)
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chkNotIsOdd("FFFFFFFFFFFFFFFFFA", 256)
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test "operator not `isEven`":
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chkIsOdd("1", 64)
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chkIsOdd("1", 128)
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chkIsOdd("1", 256)
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chkIsOdd("FFFFFF", 64)
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chkIsOdd("FFFFFFFFFFFFFFF", 128)
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chkIsOdd("FFFFFFFFFFFFFFFFFF", 256)
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suite "Testing unsigned int comparison operators":
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const
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a = 10.stuint(64)
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b = 15.stuint(64)
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c = 150'u64
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d = 4.stuint(128) shl 64
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e = 4.stuint(128)
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f = 4.stuint(128) shl 65
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test "< operator":
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check:
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a < b
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not (a + b < b)
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not (a + a + a < b + b)
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not (a * b < c.stuint(64))
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e < d
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d < f
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test "<= operator":
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check:
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a <= b
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not (a + b <= b)
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a + a + a <= b + b
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a * b <= c.stuint(64)
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e <= d
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d <= f
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test "> operator":
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check:
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b > a
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not (b > a + b)
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not (b + b > a + a + a)
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not (c.stuint(64) > a * b)
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d > e
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f > d
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test ">= operator":
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check:
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b >= a
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not (b >= a + b)
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b + b >= a + a + a
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c.stuint(64) >= a * b
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d >= e
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f >= d
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test "isOdd/isEven":
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check:
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a.isEven
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not a.isOdd
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b.isOdd
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not b.isEven
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# c.isEven
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# not c.isOdd
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