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8dad2faf SK |
1 | -module(hope_list_SUITE). |
2 | ||
f4780d18 PO |
3 | -include_lib("proper/include/proper.hrl"). |
4 | ||
8dad2faf SK |
5 | %% Callbacks |
6 | -export( | |
7 | [ all/0 | |
8 | , groups/0 | |
9 | ]). | |
10 | ||
11 | %% Test cases | |
12 | -export( | |
13 | [ t_unique_preserve_order/1 | |
8bbf6f4d | 14 | , t_hope_list_specs/1 |
8dad2faf SK |
15 | ]). |
16 | ||
17 | ||
18 | -define(GROUP , hope_list). | |
19 | ||
f4780d18 PO |
20 | -define(PROPTEST(A), true = proper:quickcheck(A())). |
21 | ||
8dad2faf SK |
22 | |
23 | %% ============================================================================ | |
24 | %% Common Test callbacks | |
25 | %% ============================================================================ | |
26 | ||
27 | all() -> | |
28 | [{group, ?GROUP}]. | |
29 | ||
30 | groups() -> | |
31 | Tests = | |
32 | [ t_unique_preserve_order | |
8bbf6f4d | 33 | , t_hope_list_specs |
8dad2faf | 34 | ], |
8bbf6f4d | 35 | Properties = [parallel], |
8dad2faf SK |
36 | [{?GROUP, Properties, Tests}]. |
37 | ||
38 | ||
39 | %% ============================================================================= | |
40 | %% Test cases | |
41 | %% ============================================================================= | |
42 | ||
43 | t_unique_preserve_order(_Cfg) -> | |
f4780d18 PO |
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). | |
8bbf6f4d PO |
53 | |
54 | t_hope_list_specs(_) -> | |
55 | [] = proper:check_specs(hope_list). |