Files
Nim/tests/int/tunsignedconv.nim
metagn b97d603cd0 some test cleanups & category reorganization (#22010)
* clean up some test categories

* mention exact slice issue

* magics into system

* move trangechecks into overflow

* move tmemory to system

* try fix CI

* try fix CI

* final CI fix
2023-06-06 06:54:07 +02:00

98 lines
1.9 KiB
Nim

# Tests unsigned literals and implicit conversion between uints and ints
var h8:uint8 = 128
var h16:uint16 = 32768
var h32:uint32 = 2147483648'u32
var h64:uint64 = 9223372036854775808'u64
var foobar:uint64 = 9223372036854775813'u64 # Issue 728
var v8:uint8 = 10
var v16:uint16 = 10
var v32:uint32 = 10
var v64:uint64 = 10
# u8 + literal produces u8:
var a8: uint8 = v8 + 10
var a16: uint16 = v16 + 10
when false:
var d8 = v8 + 10'i8
var d16 = v8 + 10'i16
var d32 = v8 + 10'i32
when false:
# these don't work yet because unsigned.nim is stupid. XXX We need to fix this.
var f8 = v16 + 10'u8
var f16 = v16 + 10'u16
var f32 = v16 + 10'u32
var g8 = v32 + 10'u8
var g16 = v32 + 10'u16
var g32 = v32 + 10'u32
var ar: array[0..20, int]
var n8 = ar[v8]
var n16 = ar[v16]
var n32 = ar[v32]
var n64 = ar[v64]
block t4176:
var yyy: uint8 = 0
yyy = yyy - 127
doAssert type(yyy) is uint8
# bug #13661
proc fun(): uint = cast[uint](-1)
const x0 = fun()
doAssert typeof(x0) is uint
discard $x0
# bug #13671
const x1 = cast[uint](-1)
discard $(x1,)
# bug #13698
let n2: csize_t = 1
doAssert $n2.int32 == "1"
# bug #14616
let limit = 1'u64
let rangeVar = 0'u64 ..< limit
when not defined(gcRefc):
doAssert repr(rangeVar) == """0 .. 0""", repr(rangeVar)
# bug #15210
let a3 = not 0'u64
var success = false
try:
discard a3.int64
except RangeDefect:
success = true
doAssert success, "conversion should fail at runtime"
template main() =
# xxx move all tests under here so it gets tested in CT and RT
block: # bug #17572
type T = distinct uint64
func f(x: uint64): auto =
let a = T(x)
(x, a.uint64)
const x = 1'u64 shl 63 or 7
const b = T(x)
doAssert b.uint64 == 9223372036854775815'u64
doAssert $b.uint64 == "9223372036854775815"
doAssert f(x) == (9223372036854775815'u64, 9223372036854775815'u64)
static: main()
main()