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-module(map_dict_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]).
from_list_test() ->
expect:equal(map_dict:size(map_dict:from_list([{4, 0}, {1, 0}])), 2).
has_key_test() ->
expect:false(map_dict:has_key(map_dict:from_list([]), 1)),
expect:true(map_dict:has_key(map_dict:from_list([{1, 0}]), 1)),
expect:true(map_dict:has_key(map_dict:from_list([{4, 0}, {1, 0}]), 1)),
expect:false(map_dict:has_key(map_dict:from_list([{4, 0}, {1, 0}]), 0)).
new_test() ->
expect:equal(map_dict:size(map_dict:new()), 0),
expect:equal(map_dict:to_list(map_dict:new()), []).
fetch_test() ->
Proplist = [{4, 0}, {1, 1}],
M = map_dict:from_list(Proplist),
expect:equal(map_dict:fetch(M, 4), {ok, 0}),
expect:equal(map_dict:fetch(M, 1), {ok, 1}),
expect:is_error(map_dict:fetch(M, 2)).
put_test() ->
expect:equal(map_dict:put(map_dict:put(map_dict:put(map_dict:new(),
<<"a">>,
0),
<<"b">>,
1),
<<"c">>,
2),
map_dict:from_list([{<<"a">>, 0},
{<<"b">>, 1},
{<<"c">>, 2}])).
map_values_test() ->
expect:equal(map_dict:map_values(map_dict:from_list([{1, 0},
{2, 1},
{3, 2}]),
fun(K, V) -> K + V end),
map_dict:from_list([{1, 1}, {2, 3}, {3, 5}])).
keys_test() ->
expect:equal(map_dict:keys(map_dict:from_list([{<<"a">>, 0},
{<<"b">>, 1},
{<<"c">>, 2}])),
[<<"a">>, <<"b">>, <<"c">>]).
values_test() ->
expect:equal(map_dict:values(map_dict:from_list([{<<"a">>, 0},
{<<"b">>, 1},
{<<"c">>, 2}])),
[0, 1, 2]).
take_test() ->
expect:equal(map_dict:take(map_dict:from_list([{<<"a">>, 0},
{<<"b">>, 1},
{<<"c">>, 2}]),
[<<"a">>, <<"b">>, <<"d">>]),
map_dict:from_list([{<<"a">>, 0}, {<<"b">>, 1}])).
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