Add dictionary method: pop.

[hope.git] / test / hope_kv_list_SUITE.erl

diff --git a/test/hope_kv_list_SUITE.erl b/test/hope_kv_list_SUITE.erl
index 98c5489..8abb888 100644 (file)
--- a/test/hope_kv_list_SUITE.erl
+++ b/test/hope_kv_list_SUITE.erl
@@ -10,6 +10,7 @@
 -export(
     [ t_set_new/1
     , t_set_existing/1
+    , t_pop/1
     ]).
 
 
@@ -20,6 +21,9 @@
 %% Common Test callbacks
 %% ============================================================================
 
+%% TODO: Make tests generic for any dictionary.
+%% TODO: Each group should test a type of dictionary against the generic cases.
+
 all() ->
     [{group, ?GROUP_KV_LIST}].
 
@@ -27,6 +31,7 @@ groups() ->
     Tests =
         [ t_set_new
         , t_set_existing
+        , t_pop
         ],
     Properties = [],
     [{?GROUP_KV_LIST, Properties, Tests}].
@@ -52,3 +57,9 @@ t_set_existing(_Config) ->
     ListResulting = hope_kv_list:set(ListInitial, Key, ValExpected),
     {some, ValResulting} = hope_kv_list:get(ListResulting, Key),
     ValResulting = ValExpected.
+
+t_pop(_Config) ->
+    KVList = [{a, 1}, {b, 2}, {c, 3}],
+    Dict1 = hope_kv_list:of_kv_list(KVList),
+    {{some, 1},  Dict2} = hope_kv_list:pop(Dict1, a),
+    {none     , _Dict3} = hope_kv_list:pop(Dict2, a).