# SPDX-FileCopyrightText: Stone Tickle <lattis@mochiro.moe>
# SPDX-License-Identifier: GPL-3.0-only

assert(1 not in [2, 3, 4])

assert([1, 2, 3, 4, 5].contains(3))

a = [1, 2, 3, 4]
b = a

a += 5
assert(b == [1, 2, 3, 4])

c = [6, 7, 8]
a += c
c += 9

assert(c == [6, 7, 8, 9])
assert(a == [1, 2, 3, 4, 5, 6, 7, 8])

arr_with_comments = [
    true,
    #
    #
    #
    #
    #
    #
    #
    #
    #
    #
    #
    #
    true,
]

assert(arr_with_comments.length() == 2)

a = [1, 2, 3, 4, 5]
a.delete(0)
assert(a == [2, 3, 4, 5])
a.delete(3)
assert(a == [2, 3, 4])
a.delete(1)
assert(a == [2, 4])
a.delete(1)
assert(a == [2])
a.delete(0)
assert(a == [])
# a.delete(0) # ??? error
a += [1, 2, 3, 4, 5]
assert(a == [1, 2, 3, 4, 5])
a.delete(2)
assert(a == [1, 2, 4, 5])
a += 2
assert(a == [1, 2, 4, 5, 2])
a.delete(4)
assert(a == [1, 2, 4, 5])
a += a
assert(a == [1, 2, 4, 5, 1, 2, 4, 5])