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|
-module(gleam@map_test).
-compile(no_auto_import).
-export([from_list_test/0, has_key_test/0, new_test/0, fetch_test/0, put_test/0, map_values_test/0, keys_test/0, values_test/0, take_test/0, drop_test/0, merge_test/0, delete_test/0, update_test/0, fold_test/0]).
from_list_test() ->
gleam@expect:equal(
gleam@map:size(gleam@map:from_list([{4, 0}, {1, 0}])),
2
).
has_key_test() ->
gleam@expect:false(gleam@map:has_key(gleam@map:from_list([]), 1)),
gleam@expect:true(gleam@map:has_key(gleam@map:from_list([{1, 0}]), 1)),
gleam@expect:true(
gleam@map:has_key(gleam@map:from_list([{4, 0}, {1, 0}]), 1)
),
gleam@expect:false(
gleam@map:has_key(gleam@map:from_list([{4, 0}, {1, 0}]), 0)
).
new_test() ->
gleam@expect:equal(gleam@map:size(gleam@map:new()), 0),
gleam@expect:equal(gleam@map:to_list(gleam@map:new()), []).
fetch_test() ->
Proplist = [{4, 0}, {1, 1}],
M = gleam@map:from_list(Proplist),
gleam@expect:equal(gleam@map:fetch(M, 4), {ok, 0}),
gleam@expect:equal(gleam@map:fetch(M, 1), {ok, 1}),
gleam@expect:equal(gleam@map:fetch(M, 2), {error, nil}).
put_test() ->
gleam@expect:equal(
gleam@map:put(
gleam@map:put(
gleam@map:put(gleam@map:new(), <<"a">>, 0),
<<"b">>,
1
),
<<"c">>,
2
),
gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}])
).
map_values_test() ->
gleam@expect:equal(
gleam@map:map_values(
gleam@map:from_list([{1, 0}, {2, 1}, {3, 2}]),
fun(K, V) -> K + V end
),
gleam@map:from_list([{1, 1}, {2, 3}, {3, 5}])
).
keys_test() ->
gleam@expect:equal(
gleam@map:keys(
gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}])
),
[<<"a">>, <<"b">>, <<"c">>]
).
values_test() ->
gleam@expect:equal(
gleam@map:values(
gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}])
),
[0, 1, 2]
).
take_test() ->
gleam@expect:equal(
gleam@map:take(
gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}]),
[<<"a">>, <<"b">>, <<"d">>]
),
gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 1}])
).
drop_test() ->
gleam@expect:equal(
gleam@map:drop(
gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}]),
[<<"a">>, <<"b">>, <<"d">>]
),
gleam@map:from_list([{<<"c">>, 2}])
).
merge_test() ->
A = gleam@map:from_list([{<<"a">>, 2}, {<<"c">>, 4}, {<<"d">>, 3}]),
B = gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}]),
gleam@expect:equal(
gleam@map:merge(A, B),
gleam@map:from_list(
[{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}, {<<"d">>, 3}]
)
),
gleam@expect:equal(
gleam@map:merge(B, A),
gleam@map:from_list(
[{<<"a">>, 2}, {<<"b">>, 1}, {<<"c">>, 4}, {<<"d">>, 3}]
)
).
delete_test() ->
gleam@expect:equal(
gleam@map:delete(
gleam@map:delete(
gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}]),
<<"a">>
),
<<"d">>
),
gleam@map:from_list([{<<"b">>, 1}, {<<"c">>, 2}])
).
update_test() ->
Dict = gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}]),
IncOrZero = fun(X) -> case X of
{ok, I} ->
I + 1;
{error, _} ->
0
end end,
gleam@expect:equal(
gleam@map:update(Dict, <<"a">>, IncOrZero),
gleam@map:from_list([{<<"a">>, 1}, {<<"b">>, 1}, {<<"c">>, 2}])
),
gleam@expect:equal(
gleam@map:update(Dict, <<"b">>, IncOrZero),
gleam@map:from_list([{<<"a">>, 0}, {<<"b">>, 2}, {<<"c">>, 2}])
),
gleam@expect:equal(
gleam@map:update(Dict, <<"z">>, IncOrZero),
gleam@map:from_list(
[{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}, {<<"z">>, 0}]
)
).
fold_test() ->
Dict = gleam@map:from_list(
[{<<"a">>, 0}, {<<"b">>, 1}, {<<"c">>, 2}, {<<"d">>, 3}]
),
Add = fun(_, V, Acc) -> V + Acc end,
gleam@expect:equal(gleam@map:fold(Dict, 0, Add), 6),
Concat = fun(K, _, Acc) -> gleam@string:append(Acc, K) end,
gleam@expect:equal(gleam@map:fold(Dict, <<"">>, Concat), <<"abcd">>),
gleam@expect:equal(gleam@map:fold(gleam@map:from_list([]), 0, Add), 0).
|
