# print msg to screen if a != b, otherwise print "."
fn check-ints-equal _a: int, b: int, msg: (addr array byte) {
  var a/eax: int <- copy _a
  compare a, b
  {
    break-if-!=
    draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
    return
  }
  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
  move-cursor-to-left-margin-of-next-line 0/screen
  count-test-failure
}

fn test-check-ints-equal {
  check-ints-equal 0, 0, "abc"
}

fn check _a: boolean, msg: (addr array byte) {
  var a/eax: int <- copy _a
  compare a, 0/false
  {
    break-if-=
    draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
    return
  }
  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
  move-cursor-to-left-margin-of-next-line 0/screen
  count-test-failure
}

fn check-not _a: boolean, msg: (addr array byte) {
  var a/eax: int <- copy _a
  compare a, 0/false
  {
    break-if-!=
    draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
    return
  }
  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
  move-cursor-to-left-margin-of-next-line 0/screen
  count-test-failure
}