| 1 | ;;;; hooks.test --- tests guile's hooks implementation -*- scheme -*- |
| 2 | ;;;; Copyright (C) 1999, 2001, 2006, 2009, 2010 Free Software Foundation, Inc. |
| 3 | ;;;; |
| 4 | ;;;; This library is free software; you can redistribute it and/or |
| 5 | ;;;; modify it under the terms of the GNU Lesser General Public |
| 6 | ;;;; License as published by the Free Software Foundation; either |
| 7 | ;;;; version 3 of the License, or (at your option) any later version. |
| 8 | ;;;; |
| 9 | ;;;; This library is distributed in the hope that it will be useful, |
| 10 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | ;;;; Lesser General Public License for more details. |
| 13 | ;;;; |
| 14 | ;;;; You should have received a copy of the GNU Lesser General Public |
| 15 | ;;;; License along with this library; if not, write to the Free Software |
| 16 | ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | |
| 18 | (define-module (test-suite test-hooks) |
| 19 | #:use-module (test-suite lib)) |
| 20 | |
| 21 | ;;; |
| 22 | ;;; miscellaneous |
| 23 | ;;; |
| 24 | |
| 25 | ;; FIXME: Maybe a standard wrong-num-arg exception should be thrown instead |
| 26 | ;; of a misc-error? If so, the tests should be changed to expect failure. |
| 27 | (define exception:wrong-num-hook-args |
| 28 | (cons 'misc-error "Hook .* requires .* arguments")) |
| 29 | |
| 30 | ;;; |
| 31 | ;;; {The tests} |
| 32 | ;;; |
| 33 | |
| 34 | (let ((proc1 (lambda (x) (+ x 1))) |
| 35 | (proc2 (lambda (x) (- x 1))) |
| 36 | (bad-proc (lambda (x y) #t))) |
| 37 | (with-test-prefix "hooks" |
| 38 | (pass-if "make-hook" |
| 39 | (make-hook 1) |
| 40 | #t) |
| 41 | |
| 42 | (pass-if "add-hook!" |
| 43 | (let ((x (make-hook 1))) |
| 44 | (add-hook! x proc1) |
| 45 | (add-hook! x proc2) |
| 46 | #t)) |
| 47 | |
| 48 | (with-test-prefix "add-hook!" |
| 49 | (pass-if "append" |
| 50 | (let ((x (make-hook 1))) |
| 51 | (add-hook! x proc1) |
| 52 | (add-hook! x proc2 #t) |
| 53 | (eq? (cadr (hook->list x)) |
| 54 | proc2))) |
| 55 | (pass-if-exception "illegal proc" |
| 56 | exception:wrong-type-arg |
| 57 | (let ((x (make-hook 1))) |
| 58 | (add-hook! x bad-proc))) |
| 59 | (pass-if-exception "illegal hook" |
| 60 | exception:wrong-type-arg |
| 61 | (add-hook! '(foo) proc1))) |
| 62 | (pass-if "run-hook" |
| 63 | (let ((x (make-hook 1))) |
| 64 | (add-hook! x proc1) |
| 65 | (add-hook! x proc2) |
| 66 | (run-hook x 1) |
| 67 | #t)) |
| 68 | (with-test-prefix "run-hook" |
| 69 | (pass-if-exception "bad hook" |
| 70 | exception:wrong-type-arg |
| 71 | (let ((x (cons 'a 'b))) |
| 72 | (run-hook x 1))) |
| 73 | (pass-if-exception "too many args" |
| 74 | exception:wrong-num-hook-args |
| 75 | (let ((x (make-hook 1))) |
| 76 | (add-hook! x proc1) |
| 77 | (add-hook! x proc2) |
| 78 | (run-hook x 1 2))) |
| 79 | |
| 80 | (pass-if |
| 81 | "destructive procs" |
| 82 | (let ((x (make-hook 1)) |
| 83 | (dest-proc1 (lambda (x) |
| 84 | (set-car! x |
| 85 | 'i-sunk-your-battleship))) |
| 86 | (dest-proc2 (lambda (x) (set-cdr! x 'no-way!))) |
| 87 | (val '(a-game-of battleship))) |
| 88 | (add-hook! x dest-proc1) |
| 89 | (add-hook! x dest-proc2 #t) |
| 90 | (run-hook x val) |
| 91 | (and (eq? (car val) 'i-sunk-your-battleship) |
| 92 | (eq? (cdr val) 'no-way!))))) |
| 93 | |
| 94 | (with-test-prefix "remove-hook!" |
| 95 | (pass-if "" |
| 96 | (let ((x (make-hook 1))) |
| 97 | (add-hook! x proc1) |
| 98 | (add-hook! x proc2) |
| 99 | (remove-hook! x proc1) |
| 100 | (not (memq proc1 (hook->list x))))) |
| 101 | ; Maybe it should error, but this is probably |
| 102 | ; more convienient |
| 103 | (pass-if "empty hook" |
| 104 | (let ((x (make-hook 1))) |
| 105 | (remove-hook! x proc1) |
| 106 | #t))) |
| 107 | (pass-if "hook->list" |
| 108 | (let ((x (make-hook 1))) |
| 109 | (add-hook! x proc1) |
| 110 | (add-hook! x proc2) |
| 111 | (and (memq proc1 (hook->list x)) |
| 112 | (memq proc2 (hook->list x)) |
| 113 | #t))) |
| 114 | (pass-if "reset-hook!" |
| 115 | (let ((x (make-hook 1))) |
| 116 | (add-hook! x proc1) |
| 117 | (add-hook! x proc2) |
| 118 | (reset-hook! x) |
| 119 | (null? (hook->list x)))) |
| 120 | (with-test-prefix "reset-hook!" |
| 121 | (pass-if "empty hook" |
| 122 | (let ((x (make-hook 1))) |
| 123 | (reset-hook! x) |
| 124 | #t)) |
| 125 | (pass-if-exception "bad hook" |
| 126 | exception:wrong-type-arg |
| 127 | (reset-hook! '(a b)))))) |