path: root/tests/stdlib/tunittest.nim

discard """
  output: '''[Suite] suite with only teardown

[Suite] suite with only setup

[Suite] suite with none

[Suite] suite with both

[Suite] bug #4494

[Suite] bug #5571

[Suite] bug #5784

'''
"""

import unittest, sequtils

proc doThings(spuds: var int): int =
  spuds = 24
  return 99
test "#964":
  var spuds = 0
  check doThings(spuds) == 99
  check spuds == 24


from strutils import toUpperAscii
test "#1384":
  check(@["hello", "world"].map(toUpperAscii) == @["HELLO", "WORLD"])


import options
test "unittest typedescs":
  check(none(int) == none(int))
  check(none(int) != some(1))


test "unittest multiple requires":
  require(true)
  require(true)


import math, random
from strutils import parseInt
proc defectiveRobot() =
  randomize()
  case random(1..4)
  of 1: raise newException(OSError, "CANNOT COMPUTE!")
  of 2: discard parseInt("Hello World!")
  of 3: raise newException(IOError, "I can't do that Dave.")
  else: assert 2 + 2 == 5
test "unittest expect":
  expect IOError, OSError, ValueError, AssertionError:
    defectiveRobot()

var
  a = 1
  b = -1
  c = 1

#unittests are sequential right now
suite "suite with only teardown":
  teardown:
    b = 2

  test "unittest with only teardown 1":
    check a == c

  test "unittest with only teardown 2":
    check b > a

suite "suite with only setup":
  setup:
    var testVar {.used.} = "from setup"

  test "unittest with only setup 1":
    check testVar == "from setup"
    check b > a
    b = -1

  test "unittest with only setup 2":
    check b < a

suite "suite with none":
  test "unittest with none":
    check b < a

suite "suite with both":
  setup:
    a = -2

  teardown:
    c = 2

  test "unittest with both 1":
    check b > a

  test "unittest with both 2":
    check c == 2

suite "bug #4494":
    test "Uniqueness check":
      var tags = @[1, 2, 3, 4, 5]
      check:
        allIt(0..3, tags[it] != tags[it + 1])

suite "bug #5571":
  test "can define gcsafe procs within tests":
    proc doTest {.gcsafe.} =
      let line = "a"
      check: line == "a"
    doTest()

suite "bug #5784":
  test "`or` should short circuit":
    type Obj = ref object
      field: int
    var obj: Obj
    check obj.isNil or obj.field == 0