Files
Nim/tests/misc/tunsignedconv.nim
Andreas Rumpf 2dcf32f5c8 fixes #13671 [backport] (#13678)
(cherry picked from commit 5f6997794e)
2020-04-14 07:13:43 +02:00

63 lines
1.1 KiB
Nim

discard """
output: '''uint'''
"""
# Tests unsigned literals and implicit conversion between uints and ints
# Passes if it compiles
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()
echo typeof(x0)
discard $x0
# bug #13671
const x1 = cast[uint](-1)
discard $(x1,)