# Copyright (C) 2024 olang mantainers
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

fn main(): u32 {
  var a: u32 = 1
  var b: u32* = &a
  var c: u32** = &b
  var d: u32 = 41

  **c = 42

  if a != 42 {
    return 1
  }

  if a != *b {
    return 2
  }

  if *b != **c {
    return 3
  }

  if b != &a {
    return 4
  }

  if *c != &a {
    return 5
  }

  *c = &d

  if *b != 41 {
    return 6
  }

  return 0
}

# TEST test_compile(exit_code=0)

# TEST test_run_binary(exit_code=0)