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retired
A standard library for the Gleam programming language
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gen/test/gleam@map_test.erl
-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).