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).