1 ;;;; testcover-unsafep.el -- Use testcover to test unsafep's code coverage
3 ;; Copyright (C) 2002-2018 Free Software Foundation, Inc.
5 ;; Author: Jonathan Yavner <jyavner@engineer.com>
6 ;; Maintainer: Jonathan Yavner <jyavner@engineer.com>
7 ;; Keywords: safety lisp utility
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software: you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation, either version 3 of the License, or
15 ;; (at your option) any later version.
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
27 (defvar safe-functions
)
29 ;;;These forms are all considered safe
30 (defconst testcover-unsafep-safe
31 '(((lambda (x) (* x
2)) 14)
32 (apply 'cdr
(mapcar (lambda (x) (car x
)) y
))
33 (cond ((= x
4) 5) (t 27))
34 (condition-case x
(car y
) (error (car x
)))
35 (dolist (x y
) (message "here: %s" x
))
36 (dotimes (x 14 (* x
2)) (message "here: %d" x
))
37 (let (x) (dolist (y '(1 2 3) (1+ y
)) (push y x
)))
38 (let (x) (apply (lambda (x) (* x
2)) 14))
39 (let ((x '(2))) (push 1 x
) (pop x
) (add-to-list 'x
2))
40 (let ((x 1) (y 2)) (setq x
(+ x y
)))
41 (let ((x 1)) (let ((y (+ x
3))) (* x y
)))
42 (let* nil
(current-time))
43 (let* ((x 1) (y (+ x
3))) (* x y
))
44 (mapcar (lambda (x &optional y
&rest z
) (setq y
(+ x
2)) (* y
3)) '(1 2 3))
45 (mapconcat #'(lambda (var) (propertize var
'face
'bold
)) '("1" "2") ", ")
46 (setq buffer-display-count
14 mark-active t
)
47 ;;This is not safe if you insert it into a buffer!
48 (propertize "x" 'display
'(height (progn (delete-file "x") 1))))
49 "List of forms that `unsafep' should decide are safe.")
51 ;;;These forms are considered unsafe
52 (defconst testcover-unsafep-unsafe
58 .
(global-variable y
))
59 ( (not (delete-file "unsafep.el"))
60 .
(function delete-file
))
61 ( (cond (t (aset local-abbrev-table
0 0)))
63 ( (cond (t (setq unsafep-vars
"")))
64 .
(risky-local-variable unsafep-vars
))
65 ( (condition-case format-alist
1)
66 .
(risky-local-variable format-alist
))
67 ( (condition-case x
1 (error (setq format-alist
"")))
68 .
(risky-local-variable format-alist
))
69 ( (dolist (x (sort globalvar
'car
)) (princ x
))
71 ( (dotimes (x 14) (delete-file "x"))
72 .
(function delete-file
))
73 ( (let ((post-command-hook "/tmp/")) 1)
74 .
(risky-local-variable post-command-hook
))
75 ( (let ((x (delete-file "x"))) 2)
76 .
(function delete-file
))
77 ( (let (x) (add-to-list 'x
(delete-file "x")))
78 .
(function delete-file
))
79 ( (let (x) (condition-case y
(setq x
1 z
2)))
80 .
(global-variable z
))
81 ( (let (x) (condition-case z
1 (error (delete-file "x"))))
82 .
(function delete-file
))
83 ( (let (x) (mapc (lambda (x) (setcar x
1)) '((1 .
2) (3 .
4))))
85 ( (let (y) (push (delete-file "x") y
))
86 .
(function delete-file
))
87 ( (let* ((x 1)) (setq y
14))
88 .
(global-variable y
))
89 ( (mapc 'car
(list '(1 .
2) (cons 3 4) (kill-buffer "unsafep.el")))
90 .
(function kill-buffer
))
93 ( (mapcar (lambda (x) (rename-file x
"x")) '("unsafep.el"))
94 .
(function rename-file
))
95 ( (mapconcat x1 x2
" ")
98 .
(risky-local-variable format-alist
))
99 ( (push 1 format-alist
)
100 .
(risky-local-variable format-alist
))
101 ( (setq buffer-display-count
(delete-file "x"))
102 .
(function delete-file
))
103 ;;These are actually safe (they signal errors)
104 ( (apply '(x) '(1 2 3))
111 "A-list of (FORM . REASON)... that`unsafep' should decide are unsafe.")
113 (declare-function unsafep-function
"unsafep" (fun))
115 ;;;#########################################################################
116 (defun testcover-unsafep ()
117 "Executes all unsafep tests and displays the coverage results."
119 (testcover-unmark-all "unsafep.el")
120 (testcover-start "unsafep.el")
121 (let (save-functions)
122 (dolist (x testcover-unsafep-safe
)
124 (error "%S should be safe" x
)))
125 (dolist (x testcover-unsafep-unsafe
)
126 (if (not (equal (unsafep (car x
)) (cdr x
)))
127 (error "%S should be unsafe: %s" (car x
) (cdr x
))))
128 (setq safe-functions t
)
129 (if (or (unsafep '(delete-file "x"))
130 (unsafep-function 'delete-file
))
131 (error "safe-functions=t should allow delete-file"))
132 (setq safe-functions
'(setcar))
133 (if (unsafep '(setcar x
1))
134 (error "safe-functions=(setcar) should allow setcar"))
135 (if (not (unsafep '(setcdr x
1)))
136 (error "safe-functions=(setcar) should not allow setcdr")))
137 (testcover-mark-all "unsafep.el")
138 (testcover-end "unsafep.el")
141 ;; testcover-unsafep.el ends here.