test/hope_list_SUITE.erl

   1 -module(hope_list_SUITE).
   2
   3 -include_lib("proper/include/proper.hrl").
   4
   5 %% Callbacks
   6 -export(
   7     [ all/0
   8     , groups/0
   9     ]).
  10
  11 %% Test cases
  12 -export(
  13     [ t_unique_preserve_order/1
  14     , t_hope_list_specs/1
  15     , t_map_rev/1
  16     , t_map_slow/1
  17     , t_map/1
  18     , t_map_3/1
  19     ]).
  20
  21
  22 -define(GROUP , hope_list).
  23
  24 -define(PROPTEST(A), true = proper:quickcheck(A())).
  25
  26
  27 %% ============================================================================
  28 %% Common Test callbacks
  29 %% ============================================================================
  30
  31 all() ->
  32     [{group, ?GROUP}].
  33
  34 groups() ->
  35     Tests =
  36         [ t_unique_preserve_order
  37         , t_hope_list_specs
  38         , t_map_rev
  39         , t_map_slow
  40         , t_map
  41         , t_map_3
  42         ],
  43     Properties = [parallel],
  44     [{?GROUP, Properties, Tests}].
  45
  46
  47 %% =============================================================================
  48 %%  Test cases
  49 %% =============================================================================
  50
  51 t_map_rev(_Cfg) ->
  52     ?PROPTEST(map_rev).
  53
  54 map_rev() ->
  55     ?FORALL({L, F}, {list(integer()), function([integer()], term())},
  56             hope_list:map_rev(L, F) == lists:reverse(lists:map(F, L))).
  57
  58 t_map_slow(_Cfg) ->
  59     ?PROPTEST(map_slow).
  60
  61 map_slow() ->
  62     ?FORALL({L, F}, {list(integer()), function([integer()], term())},
  63             hope_list:map_slow(L, F) == lists:map(F, L)).
  64
  65 t_map(_Cfg) ->
  66     ?PROPTEST(map).
  67
  68 map() ->
  69     ?FORALL({L, F}, {list(integer()), function([integer()], term())},
  70             hope_list:map(L, F) == lists:map(F, L)).
  71
  72 t_map_3(_Cfg) ->
  73     ?PROPTEST(map_3).
  74
  75 map_3() ->
  76     ?FORALL({L, F, N}, {list(integer()), function([integer()], term()), non_neg_integer()},
  77             hope_list:map(L, F, N) == lists:map(F, L)).
  78
  79 t_unique_preserve_order(_Cfg) ->
  80     ?PROPTEST(prop_unique_preserve_order).
  81
  82 prop_unique_preserve_order() ->
  83     ?FORALL(L, list(),
  84             begin
  85                 Duplicates = L -- lists:usort(L),
  86                 hope_list:unique_preserve_order(L) ==
  87                     lists:reverse(lists:reverse(L) -- Duplicates)
  88             end).
  89
  90 t_hope_list_specs(_) ->
  91     [] = proper:check_specs(hope_list).