Property test specs and add coverage
[hope.git] / 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 ]).
16
17
18 -define(GROUP , hope_list).
19
20 -define(PROPTEST(A), true = proper:quickcheck(A())).
21
22
23 %% ============================================================================
24 %% Common Test callbacks
25 %% ============================================================================
26
27 all() ->
28 [{group, ?GROUP}].
29
30 groups() ->
31 Tests =
32 [ t_unique_preserve_order
33 , t_hope_list_specs
34 ],
35 Properties = [parallel],
36 [{?GROUP, Properties, Tests}].
37
38
39 %% =============================================================================
40 %% Test cases
41 %% =============================================================================
42
43 t_unique_preserve_order(_Cfg) ->
44 ?PROPTEST(prop_unique_preserve_order).
45
46 prop_unique_preserve_order() ->
47 ?FORALL(L, list(),
48 begin
49 Duplicates = L -- lists:usort(L),
50 hope_list:unique_preserve_order(L) ==
51 lists:reverse(lists:reverse(L) -- Duplicates)
52 end).
53
54 t_hope_list_specs(_) ->
55 [] = proper:check_specs(hope_list).
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