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|
discard """
output: '''
int32
int32
1280
1280
'''
"""
import typetraits
block tand:
# bug #5216
echo(name type((0x0A'i8 and 0x7F'i32) shl 7'i32))
let i8 = 0x0A'i8
echo(name type((i8 and 0x7F'i32) shl 7'i32))
echo((0x0A'i8 and 0x7F'i32) shl 7'i32)
let ii8 = 0x0A'i8
echo((ii8 and 0x7F'i32) shl 7'i32)
block tcast:
template crossCheck(ty: untyped, exp: untyped) =
let rt = ty(exp)
const ct = ty(exp)
if $rt != $ct:
echo "Got ", ct
echo "Expected ", rt
template add1(x: uint8): untyped = x + 1
template add1(x: uint16): untyped = x + 1
template add1(x: uint32): untyped = x + 1
template sub1(x: uint8): untyped = x - 1
template sub1(x: uint16): untyped = x - 1
template sub1(x: uint32): untyped = x - 1
crossCheck(int8, 0'i16 - 5'i16)
crossCheck(int16, 0'i32 - 5'i32)
crossCheck(int32, 0'i64 - 5'i64)
crossCheck(uint8, 0'u8 - 5'u8)
crossCheck(uint16, 0'u16 - 5'u16)
crossCheck(uint32, 0'u32 - 5'u32)
crossCheck(uint64, 0'u64 - 5'u64)
crossCheck(uint8, uint8.high + 5'u8)
crossCheck(uint16, uint16.high + 5'u16)
crossCheck(uint32, uint32.high + 5'u32)
crossCheck(uint64, (-1).uint64 + 5'u64)
doAssert $sub1(0'u8) == "255"
doAssert $sub1(0'u16) == "65535"
doAssert $sub1(0'u32) == "4294967295"
doAssert $add1(255'u8) == "0"
doAssert $add1(65535'u16) == "0"
doAssert $add1(4294967295'u32) == "0"
crossCheck(int32, high(int32))
crossCheck(int32, high(int32).int32)
crossCheck(int32, low(int32))
crossCheck(int32, low(int32).int32)
crossCheck(int64, high(int8).int16.int32.int64)
crossCheck(int64, low(int8).int16.int32.int64)
crossCheck(int64, 0xFFFFFFFFFFFFFFFF'u64)
crossCheck(int32, 0xFFFFFFFFFFFFFFFF'u64)
crossCheck(int16, 0xFFFFFFFFFFFFFFFF'u64)
crossCheck(int8 , 0xFFFFFFFFFFFFFFFF'u64)
block tnot:
# Signed types
block:
const t0: int8 = not 4
const t1: int16 = not 4
const t2: int32 = not 4
const t3: int64 = not 4
const t4: int8 = not -5
const t5: int16 = not -5
const t6: int32 = not -5
const t7: int64 = not -5
doAssert t0 == -5
doAssert t1 == -5
doAssert t2 == -5
doAssert t3 == -5
doAssert t4 == 4
doAssert t5 == 4
doAssert t6 == 4
doAssert t7 == 4
# Unsigned types
block:
const t0: uint8 = not 4'u8
const t1: uint16 = not 4'u16
const t2: uint32 = not 4'u32
const t3: uint64 = not 4'u64
const t4: uint8 = not 251'u8
const t5: uint16 = not 65531'u16
const t6: uint32 = not 4294967291'u32
const t7: uint64 = not 18446744073709551611'u64
doAssert t0 == 251
doAssert t1 == 65531
doAssert t2 == 4294967291'u32
doAssert t3 == 18446744073709551611'u64
doAssert t4 == 4
doAssert t5 == 4
doAssert t6 == 4
doAssert t7 == 4
block tshl:
# Signed types
block:
const t0: int8 = 1'i8 shl 8
const t1: int16 = 1'i16 shl 16
const t2: int32 = 1'i32 shl 32
const t3: int64 = 1'i64 shl 64
doAssert t0 == 0
doAssert t1 == 0
doAssert t2 == 1
doAssert t3 == 1
# Unsigned types
block:
const t0: uint8 = 1'u8 shl 8
const t1: uint16 = 1'u16 shl 16
const t2: uint32 = 1'u32 shl 32
const t3: uint64 = 1'u64 shl 64
doAssert t0 == 0
doAssert t1 == 0
doAssert t2 == 0
doAssert t3 == 1
block tshr:
proc T() =
# let VI = -8
let VI64 = -8'i64
let VI32 = -8'i32
let VI16 = -8'i16
let VI8 = -8'i8
# doAssert( (VI shr 1) == 9_223_372_036_854_775_804, "Actual: " & $(VI shr 1))
doAssert( (VI64 shr 1) == -4, "Actual: " & $(VI64 shr 1))
doAssert( (VI32 shr 1) == -4, "Actual: " & $(VI32 shr 1))
doAssert( (VI16 shr 1) == -4, "Actual: " & $(VI16 shr 1))
doAssert( (VI8 shr 1) == -4, "Actual: " & $(VI8 shr 1))
T()
static:
T()
block tsubrange:
# bug #5854
type
n16 = range[0'i16..high(int16)]
var level: n16 = 1
let maxLevel: n16 = 1
level = min(level + 2, maxLevel)
doAssert level == 1
|