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improve uint addsub coverage + compile time test

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andri lim 2019-10-17 16:00:16 +07:00 committed by zah
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tests/test_uint_addsub.nim
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@ -9,6 +9,205 @@
import ../stint, unittest import ../stint, unittest
template chkAddition(chk, a, b, c, bits: untyped) =
block:
let x = stuint(a, bits)
let y = stuint(b, bits)
chk x + y == stuint(c, bits)
template chkInplaceAddition(chk, a, b, c, bits: untyped) =
block:
var x = stuint(a, bits)
x += stuint(b, bits)
chk x == stuint(c, bits)
template chkSubstraction(chk, a, b, c, bits: untyped) =
block:
let x = stuint(a, bits)
let y = stuint(b, bits)
chk x - y == stuint(c, bits)
template chkInplaceSubstraction(chk, a, b, c, bits: untyped) =
block:
var x = stuint(a, bits)
x -= stuint(b, bits)
chk x == stuint(c, bits)
template ctTest(name: string, body: untyped) =
body
echo "[OK] compile time ", name
template testAddSub(chk, tst: untyped) =
tst "addition":
chkAddition(chk, 0'u8, 0'u8, 0'u8, 8)
chkAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 8)
chkAddition(chk, low(uint8), 17'u8, low(uint8) + 17'u8, 8)
chkAddition(chk, 0'u8, 0'u8, 0'u8, 16)
chkAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 16)
chkAddition(chk, low(uint8), 17'u8, low(uint8) + 17'u8, 16)
chkAddition(chk, high(uint16) - 17'u16, 17'u16, high(uint16), 16)
chkAddition(chk, low(uint16), 17'u16, low(uint16) + 17'u16, 16)
chkAddition(chk, 0'u8, 0'u8, 0'u8, 32)
chkAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 32)
chkAddition(chk, low(uint8), 17'u8, low(uint8) + 17'u8, 32)
chkAddition(chk, high(uint16) - 17'u16, 17'u16, high(uint16), 32)
chkAddition(chk, low(uint16), 17'u16, low(uint16) + 17'u16, 32)
chkAddition(chk, high(uint32) - 17'u32, 17'u32, high(uint32), 32)
chkAddition(chk, low(uint32), 17'u32, low(uint32) + 17'u32, 32)
chkAddition(chk, 0'u8, 0'u8, 0'u8, 64)
chkAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 64)
chkAddition(chk, low(uint8), 17'u8, low(uint8) + 17'u8, 64)
chkAddition(chk, high(uint16) - 17'u16, 17'u16, high(uint16), 64)
chkAddition(chk, low(uint16), 17'u16, low(uint16) + 17'u16, 64)
chkAddition(chk, high(uint32) - 17'u32, 17'u32, high(uint32), 64)
chkAddition(chk, low(uint32), 17'u32, low(uint32) + 17'u32, 64)
when (NimMajor, NimMinor, NimPatch) >= (1, 0, 0):
chkAddition(chk, high(uint64) - 17'u64, 17'u64, high(uint64), 64)
chkAddition(chk, low(uint64), 17'u64, low(uint64) + 17'u64, 64)
chkAddition(chk, 0'u8, 0'u8, 0'u8, 128)
chkAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 128)
chkAddition(chk, low(uint8), 17'u8, low(uint8) + 17'u8, 128)
chkAddition(chk, high(uint16) - 17'u16, 17'u16, high(uint16), 128)
chkAddition(chk, low(uint16), 17'u16, low(uint16) + 17'u16, 128)
chkAddition(chk, high(uint32) - 17'u32, 17'u32, high(uint32), 128)
chkAddition(chk, low(uint32), 17'u32, low(uint32) + 17'u32, 128)
when (NimMajor, NimMinor, NimPatch) >= (1, 0, 0):
chkAddition(chk, high(uint64) - 17'u64, 17'u64, high(uint64), 128)
chkAddition(chk, low(uint64), 17'u64, low(uint64) + 17'u64, 128)
tst "inplace addition":
chkInplaceAddition(chk, 0'u8, 0'u8, 0'u8, 8)
chkInplaceAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 8)
chkInplaceAddition(chk, low(uint8) + 17'u8, 17'u8, low(uint8) + 34'u8, 8)
chkInplaceAddition(chk, 0'u8, 0'u8, 0'u8, 16)
chkInplaceAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 16)
chkInplaceAddition(chk, low(uint8) + 17'u8, 17'u8, low(uint8) + 34'u8, 16)
chkInplaceAddition(chk, high(uint16) - 17'u16, 17'u16, high(uint16), 16)
chkInplaceAddition(chk, low(uint16) + 17'u16, 17'u16, low(uint16) + 34'u16, 16)
chkInplaceAddition(chk, 0'u8, 0'u8, 0'u8, 32)
chkInplaceAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 32)
chkInplaceAddition(chk, low(uint8) + 17'u8, 17'u8, low(uint8) + 34'u8, 32)
chkInplaceAddition(chk, high(uint16) - 17'u16, 17'u16, high(uint16), 32)
chkInplaceAddition(chk, low(uint16) + 17'u16, 17'u16, low(uint16) + 34'u16, 32)
chkInplaceAddition(chk, high(uint32) - 17'u32, 17'u32, high(uint32), 32)
chkInplaceAddition(chk, low(uint32) + 17'u32, 17'u32, low(uint32) + 34'u32, 32)
chkInplaceAddition(chk, 0'u8, 0'u8, 0'u8, 64)
chkInplaceAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 64)
chkInplaceAddition(chk, low(uint8) + 17'u8, 17'u8, low(uint8) + 34'u8, 64)
chkInplaceAddition(chk, high(uint16) - 17'u16, 17'u16, high(uint16), 64)
chkInplaceAddition(chk, low(uint16) + 17'u16, 17'u16, low(uint16) + 34'u16, 64)
chkInplaceAddition(chk, high(uint32) - 17'u32, 17'u32, high(uint32), 64)
chkInplaceAddition(chk, low(uint32) + 17'u32, 17'u32, low(uint32) + 34'u32, 64)
when (NimMajor, NimMinor, NimPatch) >= (1, 0, 0):
chkInplaceAddition(chk, high(uint64) - 17'u64, 17'u64, high(uint64), 64)
chkInplaceAddition(chk, low(uint64) + 17'u64, 17'u64, low(uint64) + 34'u64, 64)
chkInplaceAddition(chk, 0'u8, 0'u8, 0'u8, 128)
chkInplaceAddition(chk, high(uint8) - 17'u8, 17'u8, high(uint8), 128)
chkInplaceAddition(chk, low(uint8) + 17'u8, 17'u8, low(uint8) + 34'u8, 128)
chkInplaceAddition(chk, high(uint16) - 17'u16, 17'u16, high(uint16), 128)
chkInplaceAddition(chk, low(uint16) + 17'u16, 17'u16, low(uint16) + 34'u16, 128)
chkInplaceAddition(chk, high(uint32) - 17'u32, 17'u32, high(uint32), 128)
chkInplaceAddition(chk, low(uint32) + 17'u32, 17'u32, low(uint32) + 34'u32, 128)
when (NimMajor, NimMinor, NimPatch) >= (1, 0, 0):
chkInplaceAddition(chk, high(uint64) - 17'u64, 17'u64, high(uint64), 128)
chkInplaceAddition(chk, low(uint64) + 17'u64, 17'u64, low(uint64) + 34'u64, 128)
tst "substraction":
chkSubstraction(chk, 0'u8, 0'u8, 0'u8, 8)
chkSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 8)
chkSubstraction(chk, low(uint8) + 17'u8, 17'u8, low(uint8), 8)
chkSubstraction(chk, 0'u8, 0'u8, 0'u8, 16)
chkSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 16)
chkSubstraction(chk, low(uint8) + 17'u8, 17'u8, low(uint8), 16)
chkSubstraction(chk, high(uint16) - 17'u16, 17'u16, high(uint16) - 34'u16, 16)
chkSubstraction(chk, low(uint16) + 17'u16, 17'u16, low(uint16), 16)
chkSubstraction(chk, 0'u8, 0'u8, 0'u8, 32)
chkSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 32)
chkSubstraction(chk, low(uint8) + 17'u8, 17'u8, low(uint8), 32)
chkSubstraction(chk, high(uint16) - 17'u16, 17'u16, high(uint16) - 34'u16, 32)
chkSubstraction(chk, low(uint16) + 17'u16, 17'u16, low(uint16), 32)
chkSubstraction(chk, high(uint32) - 17'u32, 17'u32, high(uint32) - 34'u32, 32)
chkSubstraction(chk, low(uint32) + 17'u32, 17'u32, low(uint32), 32)
chkSubstraction(chk, 0'u8, 0'u8, 0'u8, 64)
chkSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 64)
chkSubstraction(chk, low(uint8) + 17'u8, 17'u8, low(uint8), 64)
chkSubstraction(chk, high(uint16) - 17'u16, 17'u16, high(uint16) - 34'u16, 64)
chkSubstraction(chk, low(uint16) + 17'u16, 17'u16, low(uint16), 64)
chkSubstraction(chk, high(uint32) - 17'u32, 17'u32, high(uint32) - 34'u32, 64)
chkSubstraction(chk, low(uint32) + 17'u32, 17'u32, low(uint32), 64)
when (NimMajor, NimMinor, NimPatch) >= (1, 0, 0):
chkSubstraction(chk, high(uint64) - 17'u64, 17'u64, high(uint64) - 34'u64, 64)
chkSubstraction(chk, low(uint64) + 17'u64, 17'u64, low(uint64), 64)
chkSubstraction(chk, 0'u8, 0'u8, 0'u8, 128)
chkSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 128)
chkSubstraction(chk, high(uint8), high(uint8), 0'u8, 128)
chkSubstraction(chk, high(uint16) - 17'u16, 17'u16, high(uint16) - 34'u16, 128)
chkSubstraction(chk, high(uint16), high(uint16), 0'u16, 128)
chkSubstraction(chk, high(uint32) - 17'u32, 17'u32, high(uint32) - 34'u32, 128)
chkSubstraction(chk, high(uint32), high(uint32), 0'u32, 128)
when (NimMajor, NimMinor, NimPatch) >= (1, 0, 0):
chkSubstraction(chk, high(uint64) - 17'u64, 17'u64, high(uint64) - 34'u64, 128)
chkSubstraction(chk, high(uint64), high(uint64), 0'u64, 128)
tst "inplace substraction":
chkInplaceSubstraction(chk, 0'u8, 0'u8, 0'u8, 8)
chkInplaceSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 8)
chkInplaceSubstraction(chk, low(uint8) + 17'u8, 17'u8, low(uint8), 8)
chkInplaceSubstraction(chk, 0'u8, 0'u8, 0'u8, 16)
chkInplaceSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 16)
chkInplaceSubstraction(chk, low(uint8) + 17'u8, 17'u8, low(uint8), 16)
chkInplaceSubstraction(chk, high(uint16) - 17'u16, 17'u16, high(uint16) - 34'u16, 16)
chkInplaceSubstraction(chk, low(uint16) + 17'u16, 17'u16, low(uint16), 16)
chkInplaceSubstraction(chk, 0'u8, 0'u8, 0'u8, 32)
chkInplaceSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 32)
chkInplaceSubstraction(chk, low(uint8) + 17'u8, 17'u8, low(uint8), 32)
chkInplaceSubstraction(chk, high(uint16) - 17'u16, 17'u16, high(uint16) - 34'u16, 32)
chkInplaceSubstraction(chk, low(uint16) + 17'u16, 17'u16, low(uint16), 32)
chkInplaceSubstraction(chk, high(uint32) - 17'u32, 17'u32, high(uint32) - 34'u32, 32)
chkInplaceSubstraction(chk, low(uint32) + 17'u32, 17'u32, low(uint32), 32)
chkInplaceSubstraction(chk, 0'u8, 0'u8, 0'u8, 64)
chkInplaceSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 64)
chkInplaceSubstraction(chk, low(uint8) + 17'u8, 17'u8, low(uint8), 64)
chkInplaceSubstraction(chk, high(uint16) - 17'u16, 17'u16, high(uint16) - 34'u16, 64)
chkInplaceSubstraction(chk, low(uint16) + 17'u16, 17'u16, low(uint16), 64)
chkInplaceSubstraction(chk, high(uint32) - 17'u32, 17'u32, high(uint32) - 34'u32, 64)
chkInplaceSubstraction(chk, low(uint32) + 17'u32, 17'u32, low(uint32), 64)
when (NimMajor, NimMinor, NimPatch) >= (1, 0, 0):
chkInplaceSubstraction(chk, high(uint64) - 17'u64, 17'u64, high(uint64) - 34'u64, 64)
chkInplaceSubstraction(chk, low(uint64) + 17'u64, 17'u64, low(uint64), 64)
chkInplaceSubstraction(chk, 0'u8, 0'u8, 0'u8, 128)
chkInplaceSubstraction(chk, high(uint8) - 17'u8, 17'u8, high(uint8) - 34'u8, 128)
chkInplaceSubstraction(chk, high(uint8), high(uint8), 0'u8, 128)
chkInplaceSubstraction(chk, high(uint16) - 17'u16, 17'u16, high(uint16) - 34'u16, 128)
chkInplaceSubstraction(chk, high(uint16), high(uint16), 0'u16, 128)
chkInplaceSubstraction(chk, high(uint32) - 17'u32, 17'u32, high(uint32) - 34'u32, 128)
chkInplaceSubstraction(chk, high(uint32), high(uint32), 0'u32, 128)
when (NimMajor, NimMinor, NimPatch) >= (1, 0, 0):
chkInplaceSubstraction(chk, high(uint64) - 17'u64, 17'u64, high(uint64) - 34'u64, 128)
chkInplaceSubstraction(chk, high(uint64), high(uint64), 0'u64, 128)
static:
testAddSub(doAssert, ctTest)
suite "Wider unsigned int coverage":
testAddSub(check, test)
suite "Testing unsigned int addition implementation": suite "Testing unsigned int addition implementation":
test "In-place addition gives expected result": test "In-place addition gives expected result":