-module(hope_list_SUITE).
+-include_lib("proper/include/proper_common.hrl").
+
%% Callbacks
-export(
[ all/0
%% Test cases
-export(
- [ t_unique_preserve_order/1
+ [ t_auto_hope_list_specs/1
+ , t_auto_map/1
+ , t_auto_map_3/1
+ , t_auto_map_rev/1
+ , t_auto_map_slow/1
+ , t_auto_unique_preserve_order/1
+ , t_manual_map_result/1
]).
-define(GROUP , hope_list).
+-define(CHECK(F), true = proper:quickcheck(F())).
+
+-define(type, proper_types).
+
%% ============================================================================
%% Common Test callbacks
groups() ->
Tests =
- [ t_unique_preserve_order
+ [ t_auto_hope_list_specs
+ , t_auto_map
+ , t_auto_map_3
+ , t_auto_map_rev
+ , t_auto_map_slow
+ , t_auto_unique_preserve_order
+ , t_manual_map_result
],
- Properties = [],
+ Properties = [parallel],
[{?GROUP, Properties, Tests}].
+%% =============================================================================
+%% Manual test cases
+%% =============================================================================
+
+t_manual_map_result(_Cfg) ->
+ AssertPositive =
+ fun (I) when I > 0 -> {ok, I}; (_) -> {error, negative} end,
+ AllPositives = lists:seq(1, 5),
+ AllNegatives = lists:seq(-5, -1),
+ Mixed = lists:seq(-5, 5),
+ {ok, AllPositives} = hope_list:map_result(AllPositives, AssertPositive),
+ {error, negative} = hope_list:map_result(AllNegatives, AssertPositive),
+ {error, negative} = hope_list:map_result(Mixed, AssertPositive).
%% =============================================================================
-%% Test cases
+%% Generated test cases
%% =============================================================================
-t_unique_preserve_order(_Cfg) ->
- ListAGiven = [a, a, g, b, f, c, a, d, a, e, f, d],
- ListBGiven = "australia",
- ListAExpected = [a, g, b, f, c, d, e],
- ListBExpected = "austrli",
- ListAComputed = hope_list:unique_preserve_order(ListAGiven),
- ListBComputed = hope_list:unique_preserve_order(ListBGiven),
- ListAComputed = ListAExpected,
- ListBComputed = ListBExpected.
+t_auto_map_rev(_Cfg) ->
+ ?CHECK(proper_spec_map_rev).
+
+t_auto_map_slow(_Cfg) ->
+ ?CHECK(proper_spec_map_slow).
+
+t_auto_map(_Cfg) ->
+ ?CHECK(proper_spec_map).
+
+t_auto_map_3(_Cfg) ->
+ ?CHECK(proper_spec_map_3).
+
+t_auto_unique_preserve_order(_Cfg) ->
+ ?CHECK(proper_spec_prop_unique_preserve_order).
+
+t_auto_hope_list_specs(_Cfg) ->
+ [] = proper:check_specs(hope_list).
+
+%% ============================================================================
+%% PropEr test specs
+%% ============================================================================
+
+proper_spec_map_rev() ->
+ ?FORALL({L, F}, {type_l(), type_f()},
+ hope_list:map_rev(L, F) == lists:reverse(lists:map(F, L))
+ ).
+
+proper_spec_map_slow() ->
+ ?FORALL({L, F}, {type_l(), type_f()},
+ hope_list:map_slow(L, F) == lists:map(F, L)
+ ).
+
+proper_spec_map() ->
+ ?FORALL({L, F}, {type_l(), type_f()},
+ hope_list:map(L, F) == lists:map(F, L)
+ ).
+
+proper_spec_map_3() ->
+ ?FORALL({L, F, N}, {type_l(), type_f(), ?type:non_neg_integer()},
+ hope_list:map(L, F, N) == lists:map(F, L)
+ ).
+
+proper_spec_prop_unique_preserve_order() ->
+ ?FORALL(L, ?type:list(),
+ begin
+ Duplicates = L -- lists:usort(L),
+ hope_list:unique_preserve_order(L) ==
+ lists:reverse(lists:reverse(L) -- Duplicates)
+ end).
+
+type_l() ->
+ ?type:list(?type:integer()).
+
+type_f() ->
+ ?type:function([?type:integer()], ?type:term()).