Files
Nim/tests/stdlib/tsysrand.nim
flywind 4f118721be make system random work in VM (#17059)
* make system random work in VM
2021-02-17 11:52:46 +01:00

37 lines
671 B
Nim

discard """
targets: "c cpp js"
matrix: "--experimental:vmopsDanger"
"""
import std/sysrand
template main() =
block:
var x = array[5, byte].default
doAssert urandom(x)
block:
var x = newSeq[byte](5)
doAssert urandom(x)
block:
var x = @[byte(0), 0, 0, 0, 0]
doAssert urandom(x)
block:
var x = @[byte(1), 2, 3, 4, 5]
doAssert urandom(x)
block:
doAssert urandom(0).len == 0
doAssert urandom(10).len == 10
doAssert urandom(20).len == 20
doAssert urandom(120).len == 120
doAssert urandom(113).len == 113
doAssert urandom(1234) != urandom(1234) # unlikely to fail in practice
static: main()
main()