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1 ;; Copyright (C) 1999 Free Software Foundation, Inc.
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2
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3 ;; Author: Hrvoje Niksic <hniksic@xemacs.org>
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4 ;; Maintainer: Hrvoje Niksic <hniksic@xemacs.org>
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5 ;; Created: 1999
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6 ;; Keywords: tests
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: Not in FSF.
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26
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27 ;;; Commentary:
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28
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29 ;; Test some Mule functionality (most of these remain to be written) .
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30 ;; See test-harness.el for instructions on how to run these tests.
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31
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32 ;;-----------------------------------------------------------------
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33 ;; Test whether all legal chars may be safely inserted to a buffer.
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34 ;;-----------------------------------------------------------------
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35
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36 (defun test-chars (&optional for-test-harness)
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37 "Insert all characters in a buffer, to see if XEmacs will crash.
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38 This is done by creating a string with all the legal characters
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39 in [0, 2^19) range, inserting it into the buffer, and checking
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40 that the buffer's contents are equivalent to the string.
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41
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42 If FOR-TEST-HARNESS is specified, a temporary buffer is used, and
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43 the Assert macro checks for correctness."
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44 (let ((max (expt 2 (if (featurep 'mule) 19 8)))
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45 (list nil)
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46 (i 0))
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47 (while (< i max)
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48 (and (not for-test-harness)
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49 (zerop (% i 1000))
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50 (message "%d" i))
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51 (and (int-char i)
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52 ;; Don't aset to a string directly because random string
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53 ;; access is O(n) under Mule.
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54 (setq list (cons (int-char i) list)))
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55 (setq i (1+ i)))
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56 (let ((string (apply #'string (nreverse list))))
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57 (if for-test-harness
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58 ;; For use with test-harness, use Assert and a temporary
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59 ;; buffer.
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60 (with-temp-buffer
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61 (insert string)
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62 (Assert (equal (buffer-string) string)))
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63 ;; For use without test harness: use a normal buffer, so that
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64 ;; you can also test whether redisplay works.
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65 (switch-to-buffer (get-buffer-create "test"))
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66 (erase-buffer)
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67 (buffer-disable-undo)
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68 (insert string)
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69 (assert (equal (buffer-string) string))))))
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70
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71 ;; It would be really *really* nice if test-harness allowed a way to
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72 ;; run a test in byte-compiled mode only. It's tedious to have
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73 ;; time-consuming tests like this one run twice, once interpreted and
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74 ;; once compiled, for no good reason.
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75 (test-chars t)
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