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 65d4d1f..8abb888 100644 (file)
--- a/test/hope_kv_list_SUITE.erl
+++ b/test/hope_kv_list_SUITE.erl
@@ -8,7 +8,9 @@
 
 %% Test cases
 -export(
-    [
+    [ t_set_new/1
+    , t_set_existing/1
+    , t_pop/1
     ]).
 
 
@@ -19,12 +21,17 @@
 %% 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}].
 
 groups() ->
     Tests =
-        [
+        [ t_set_new
+        , t_set_existing
+        , t_pop
         ],
     Properties = [],
     [{?GROUP_KV_LIST, Properties, Tests}].
@@ -33,3 +40,26 @@ groups() ->
 %% =============================================================================
 %%  Test cases
 %% =============================================================================
+
+t_set_new(_Config) ->
+    Key           = key,
+    ValExpected   = bar,
+    ListInitial   = hope_kv_list:empty(),
+    ListResulting = hope_kv_list:set(ListInitial, Key, ValExpected),
+    {some, ValResulting} = hope_kv_list:get(ListResulting, Key),
+    ValResulting = ValExpected.
+
+t_set_existing(_Config) ->
+    Key           = key,
+    ValInitial    = foo,
+    ValExpected   = bar,
+    ListInitial   = [{donald, duck}, {Key, ValInitial}],
+    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).