home / code / hope.git / blame
| Commit | Line | Data |
|---|---|---|
| 64617423 SK |
1 | -module(hope_fun_SUITE). |
| 2 | ||
| 3 | %% Callbacks | |
| 4 | -export( | |
| 5 | [ all/0 | |
| 6 | , groups/0 | |
| 7 | ]). | |
| 8 | ||
| 9 | %% Test cases | |
| 10 | -export( | |
| 0b6ed617 SK |
11 | [ t_specs/1 |
| 12 | , t_id/1 | |
| e033aade | 13 | , t_curry/1 |
| 0b6ed617 | 14 | , t_compose/1 |
| 64617423 SK |
15 | ]). |
| 16 | ||
| 17 | ||
| 18 | -define(GROUP, hope_fun). | |
| 19 | ||
| 20 | ||
| 21 | %% ============================================================================ | |
| 22 | %% Common Test callbacks | |
| 23 | %% ============================================================================ | |
| 24 | ||
| 25 | all() -> | |
| 26 | [ {group, ?GROUP} | |
| 27 | ]. | |
| 28 | ||
| 29 | groups() -> | |
| 30 | Tests = | |
| 0b6ed617 SK |
31 | [ t_specs |
| 32 | , t_id | |
| e033aade | 33 | , t_curry |
| 0b6ed617 | 34 | , t_compose |
| 64617423 SK |
35 | ], |
| 36 | Properties = [parallel], | |
| 37 | [ {?GROUP, Properties, Tests} | |
| 38 | ]. | |
| 39 | ||
| 40 | ||
| 41 | %% ============================================================================= | |
| 42 | %% Test cases | |
| 43 | %% ============================================================================= | |
| 44 | ||
| 0b6ed617 SK |
45 | t_specs(_) -> |
| 46 | [] = proper:check_specs(hope_fun). | |
| 47 | ||
| 64617423 SK |
48 | t_id(_Cfg) -> |
| 49 | X = foo, | |
| 50 | X = hope_fun:id(X). | |
| e033aade SK |
51 | |
| 52 | t_curry(_Cfg) -> | |
| 53 | Single = fun (X) -> X end, | |
| 54 | Double = fun (X, Y) -> {X, Y} end, | |
| 55 | Triple = fun (X, Y, Z) -> {X, Y, Z} end, | |
| 56 | ||
| 57 | F = hope_fun:curry(Single), | |
| 58 | a = F(a), | |
| 59 | ||
| 60 | G1 = hope_fun:curry(Double), | |
| 61 | G = G1(a), | |
| 62 | {a, b} = G(b), | |
| 63 | ||
| 64 | H1 = hope_fun:curry(Triple), | |
| 65 | H2 = H1(a), | |
| 66 | H = H2(b), | |
| 67 | {a, b, c} = H(c). | |
| 0b6ed617 SK |
68 | |
| 69 | t_compose(_Cfg) -> | |
| 70 | A2B = fun (a) -> b end, | |
| 71 | B2C = fun (b) -> c end, | |
| 72 | C2D = fun (c) -> d end, | |
| 73 | Fs = [C2D, B2C, A2B], | |
| 74 | d = (hope_fun:compose ( Fs ))(a), | |
| 75 | d = (hope_fun:compose_right ( Fs ))(a), | |
| 76 | d = (hope_fun:compose_left (lists:reverse(Fs) ))(a). |