-module(gleam@map_test).
-compile(no_auto_import).

-export([from_list_test/0, has_key_test/0, new_test/0, get_test/0, insert_test/0, map_values_test/0, keys_test/0, values_test/0, take_test/0, drop_test/0, merge_same_key_test/0, merge_test/0, delete_test/0, update_test/0, fold_test/0]).

-spec from_list_test() -> nil.
from_list_test() ->
    _pipe = [{4, 0}, {1, 0}],
    _pipe@1 = gleam@map:from_list(_pipe),
    _pipe@2 = gleam@map:size(_pipe@1),
    gleam@should:equal(_pipe@2, 2),
    _pipe@3 = [{1, 0}, {1, 1}],
    _pipe@4 = gleam@map:from_list(_pipe@3),
    gleam@should:equal(_pipe@4, gleam@map:from_list([{1, 1}])).

-spec has_key_test() -> nil.
has_key_test() ->
    _pipe = [],
    _pipe@1 = gleam@map:from_list(_pipe),
    _pipe@2 = gleam@map:has_key(_pipe@1, 1),
    gleam@should:be_false(_pipe@2),
    _pipe@3 = [{1, 0}],
    _pipe@4 = gleam@map:from_list(_pipe@3),
    _pipe@5 = gleam@map:has_key(_pipe@4, 1),
    gleam@should:be_true(_pipe@5),
    _pipe@6 = [{4, 0}, {1, 0}],
    _pipe@7 = gleam@map:from_list(_pipe@6),
    _pipe@8 = gleam@map:has_key(_pipe@7, 1),
    gleam@should:be_true(_pipe@8),
    _pipe@9 = [{4, 0}, {1, 0}],
    _pipe@10 = gleam@map:from_list(_pipe@9),
    _pipe@11 = gleam@map:has_key(_pipe@10, 0),
    gleam@should:be_false(_pipe@11).

-spec new_test() -> nil.
new_test() ->
    _pipe = gleam@map:new(),
    _pipe@1 = gleam@map:size(_pipe),
    gleam@should:equal(_pipe@1, 0),
    _pipe@2 = gleam@map:new(),
    _pipe@3 = gleam@map:to_list(_pipe@2),
    gleam@should:equal(_pipe@3, []).

-spec get_test() -> nil.
get_test() ->
    Proplist = [{4, 0}, {1, 1}],
    M = gleam@map:from_list(Proplist),
    _pipe = M,
    _pipe@1 = gleam@map:get(_pipe, 4),
    gleam@should:equal(_pipe@1, {ok, 0}),
    _pipe@2 = M,
    _pipe@3 = gleam@map:get(_pipe@2, 1),
    gleam@should:equal(_pipe@3, {ok, 1}),
    _pipe@4 = M,
    _pipe@5 = gleam@map:get(_pipe@4, 2),
    gleam@should:equal(_pipe@5, {error, nil}).

-spec insert_test() -> nil.
insert_test() ->
    _pipe = gleam@map:new(),
    _pipe@1 = gleam@map:insert(_pipe, <<"a"/utf8>>, 0),
    _pipe@2 = gleam@map:insert(_pipe@1, <<"b"/utf8>>, 1),
    _pipe@3 = gleam@map:insert(_pipe@2, <<"c"/utf8>>, 2),
    gleam@should:equal(
        _pipe@3,
        gleam@map:from_list(
            [{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
        )
    ).

-spec map_values_test() -> nil.
map_values_test() ->
    _pipe = [{1, 0}, {2, 1}, {3, 2}],
    _pipe@1 = gleam@map:from_list(_pipe),
    _pipe@2 = gleam@map:map_values(_pipe@1, fun(K, V) -> K + V end),
    gleam@should:equal(_pipe@2, gleam@map:from_list([{1, 1}, {2, 3}, {3, 5}])).

-spec keys_test() -> nil.
keys_test() ->
    _pipe = [{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}],
    _pipe@1 = gleam@map:from_list(_pipe),
    _pipe@2 = gleam@map:keys(_pipe@1),
    gleam@should:equal(_pipe@2, [<<"a"/utf8>>, <<"b"/utf8>>, <<"c"/utf8>>]).

-spec values_test() -> nil.
values_test() ->
    _pipe = [{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}],
    _pipe@1 = gleam@map:from_list(_pipe),
    _pipe@2 = gleam@map:values(_pipe@1),
    gleam@should:equal(_pipe@2, [0, 1, 2]).

-spec take_test() -> nil.
take_test() ->
    _pipe = [{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}],
    _pipe@1 = gleam@map:from_list(_pipe),
    _pipe@2 = gleam@map:take(
        _pipe@1,
        [<<"a"/utf8>>, <<"b"/utf8>>, <<"d"/utf8>>]
    ),
    gleam@should:equal(
        _pipe@2,
        gleam@map:from_list([{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}])
    ).

-spec drop_test() -> nil.
drop_test() ->
    _pipe = [{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}],
    _pipe@1 = gleam@map:from_list(_pipe),
    _pipe@2 = gleam@map:drop(
        _pipe@1,
        [<<"a"/utf8>>, <<"b"/utf8>>, <<"d"/utf8>>]
    ),
    gleam@should:equal(_pipe@2, gleam@map:from_list([{<<"c"/utf8>>, 2}])).

-spec merge_same_key_test() -> nil.
merge_same_key_test() ->
    A = gleam@map:from_list([{<<"a"/utf8>>, 2}]),
    B = gleam@map:from_list([{<<"a"/utf8>>, 0}]),
    _pipe = gleam@map:merge(A, B),
    gleam@should:equal(_pipe, gleam@map:from_list([{<<"a"/utf8>>, 0}])),
    _pipe@1 = gleam@map:merge(B, A),
    gleam@should:equal(_pipe@1, gleam@map:from_list([{<<"a"/utf8>>, 2}])).

-spec merge_test() -> nil.
merge_test() ->
    A = gleam@map:from_list(
        [{<<"a"/utf8>>, 2}, {<<"c"/utf8>>, 4}, {<<"d"/utf8>>, 3}]
    ),
    B = gleam@map:from_list(
        [{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
    ),
    _pipe = gleam@map:merge(A, B),
    gleam@should:equal(
        _pipe,
        gleam@map:from_list(
            [{<<"a"/utf8>>, 0},
             {<<"b"/utf8>>, 1},
             {<<"c"/utf8>>, 2},
             {<<"d"/utf8>>, 3}]
        )
    ),
    _pipe@1 = gleam@map:merge(B, A),
    gleam@should:equal(
        _pipe@1,
        gleam@map:from_list(
            [{<<"a"/utf8>>, 2},
             {<<"b"/utf8>>, 1},
             {<<"c"/utf8>>, 4},
             {<<"d"/utf8>>, 3}]
        )
    ).

-spec delete_test() -> nil.
delete_test() ->
    _pipe = [{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}],
    _pipe@1 = gleam@map:from_list(_pipe),
    _pipe@2 = gleam@map:delete(_pipe@1, <<"a"/utf8>>),
    _pipe@3 = gleam@map:delete(_pipe@2, <<"d"/utf8>>),
    gleam@should:equal(
        _pipe@3,
        gleam@map:from_list([{<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}])
    ).

-spec update_test() -> nil.
update_test() ->
    Dict = gleam@map:from_list(
        [{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
    ),
    Inc_or_zero = fun(X) -> case X of
            {some, I} ->
                I + 1;

            none ->
                0
        end end,
    _pipe = Dict,
    _pipe@1 = gleam@map:update(_pipe, <<"a"/utf8>>, Inc_or_zero),
    gleam@should:equal(
        _pipe@1,
        gleam@map:from_list(
            [{<<"a"/utf8>>, 1}, {<<"b"/utf8>>, 1}, {<<"c"/utf8>>, 2}]
        )
    ),
    _pipe@2 = Dict,
    _pipe@3 = gleam@map:update(_pipe@2, <<"b"/utf8>>, Inc_or_zero),
    gleam@should:equal(
        _pipe@3,
        gleam@map:from_list(
            [{<<"a"/utf8>>, 0}, {<<"b"/utf8>>, 2}, {<<"c"/utf8>>, 2}]
        )
    ),
    _pipe@4 = Dict,
    _pipe@5 = gleam@map:update(_pipe@4, <<"z"/utf8>>, Inc_or_zero),
    gleam@should:equal(
        _pipe@5,
        gleam@map:from_list(
            [{<<"a"/utf8>>, 0},
             {<<"b"/utf8>>, 1},
             {<<"c"/utf8>>, 2},
             {<<"z"/utf8>>, 0}]
        )
    ).

-spec fold_test() -> nil.
fold_test() ->
    Dict = gleam@map:from_list(
        [{<<"a"/utf8>>, 0},
         {<<"b"/utf8>>, 1},
         {<<"c"/utf8>>, 2},
         {<<"d"/utf8>>, 3}]
    ),
    Add = fun(Acc, _, V) -> V + Acc end,
    _pipe = Dict,
    _pipe@1 = gleam@map:fold(_pipe, 0, Add),
    gleam@should:equal(_pipe@1, 6),
    Concat = fun(Acc@1, K, _) -> gleam@string:append(Acc@1, K) end,
    _pipe@2 = Dict,
    _pipe@3 = gleam@map:fold(_pipe@2, <<""/utf8>>, Concat),
    gleam@should:equal(_pipe@3, <<"abcd"/utf8>>),
    _pipe@4 = gleam@map:from_list([]),
    _pipe@5 = gleam@map:fold(_pipe@4, 0, Add),
    gleam@should:equal(_pipe@5, 0).