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author | Louis Pilfold <louis@lpil.uk> | 2019-09-15 21:05:05 +0100 |
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committer | Louis Pilfold <louis@lpil.uk> | 2019-09-15 21:06:35 +0100 |
commit | 0579308bf0559635e3742e7fa634648182d916c5 (patch) | |
tree | 3ef129b822133bd2d78ca19a123298e2e0fe3f04 /gen/test/gleam@map_test.erl | |
parent | 3f316053c680448c4b81a2c04071f7cf81497c2b (diff) | |
download | gleam_stdlib-0579308bf0559635e3742e7fa634648182d916c5.tar.gz gleam_stdlib-0579308bf0559635e3742e7fa634648182d916c5.zip |
Remove maps from stdlib
Diffstat (limited to 'gen/test/gleam@map_test.erl')
-rw-r--r-- | gen/test/gleam@map_test.erl | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/gen/test/gleam@map_test.erl b/gen/test/gleam@map_test.erl new file mode 100644 index 0000000..83a86f6 --- /dev/null +++ b/gen/test/gleam@map_test.erl @@ -0,0 +1,150 @@ +-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:is_error(gleam@map:fetch(M, 2)). + +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). |