File: refarrayleak.nim

package info (click to toggle)
nim 2.2.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,911,644 kB
  • sloc: sh: 24,603; ansic: 1,761; python: 1,492; makefile: 1,013; sql: 298; asm: 141; xml: 13
file content (39 lines) | stat: -rw-r--r-- 612 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
discard """
  outputsub: "no leak: "
"""

type
  TNode = object
    data: array[0..300, char]

  PNode = ref TNode

  TNodeArray = array[0..10, PNode]

  TArrayHolder = object
    sons: TNodeArray

proc nullify(a: var TNodeArray) =
  for i in 0..high(a):
    a[i] = nil

proc newArrayHolder: ref TArrayHolder =
  new result

  for i in 0..high(result.sons):
    new result.sons[i]

  nullify result.sons

proc loop =
  for i in 0..10000:
    discard newArrayHolder()

  if getOccupiedMem() > 300_000:
    echo "still a leak! ", getOccupiedMem()
    quit 1
  else:
    echo "no leak: ", getOccupiedMem()

loop()