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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 ;; Maintainers: Hrvoje Niksic <hniksic@xemacs.org>,
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5 ;; Martin Buchholz <martin@xemacs.org>
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6 ;; Created: 1999
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7 ;; Keywords: tests
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8
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software; you can redistribute it and/or modify it
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12 ;; under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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16 ;; XEmacs is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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23 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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24 ;; 02111-1307, USA.
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25
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26 ;;; Synched up with: Not in FSF.
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27
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28 ;;; Commentary:
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29
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30 ;; Test some Mule functionality (most of these remain to be written) .
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31 ;; See test-harness.el for instructions on how to run these tests.
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32
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33 ;; This file will be (read)ed by a non-mule XEmacs, so don't use
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34 ;; literal non-Latin1 characters. Use (make-char) instead.
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35
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36 ;;-----------------------------------------------------------------
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37 ;; Test whether all legal chars may be safely inserted to a buffer.
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38 ;;-----------------------------------------------------------------
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39
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40 (defun test-chars (&optional for-test-harness)
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41 "Insert all characters in a buffer, to see if XEmacs will crash.
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42 This is done by creating a string with all the legal characters
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43 in [0, 2^19) range, inserting it into the buffer, and checking
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44 that the buffer's contents are equivalent to the string.
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45
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46 If FOR-TEST-HARNESS is specified, a temporary buffer is used, and
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47 the Assert macro checks for correctness."
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48 (let ((max (expt 2 (if (featurep 'mule) 19 8)))
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49 (list nil)
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50 (i 0))
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51 (while (< i max)
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52 (and (not for-test-harness)
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53 (zerop (% i 1000))
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54 (message "%d" i))
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55 (and (int-char i)
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56 ;; Don't aset to a string directly because random string
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57 ;; access is O(n) under Mule.
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58 (setq list (cons (int-char i) list)))
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59 (setq i (1+ i)))
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60 (let ((string (apply #'string (nreverse list))))
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61 (if for-test-harness
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62 ;; For use with test-harness, use Assert and a temporary
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63 ;; buffer.
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64 (with-temp-buffer
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65 (insert string)
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66 (Assert (equal (buffer-string) string)))
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67 ;; For use without test harness: use a normal buffer, so that
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68 ;; you can also test whether redisplay works.
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69 (switch-to-buffer (get-buffer-create "test"))
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70 (erase-buffer)
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71 (buffer-disable-undo)
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72 (insert string)
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73 (assert (equal (buffer-string) string))))))
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74
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75 ;; It would be really *really* nice if test-harness allowed a way to
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76 ;; run a test in byte-compiled mode only. It's tedious to have
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77 ;; time-consuming tests like this one run twice, once interpreted and
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78 ;; once compiled, for no good reason.
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79 (test-chars t)
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80
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81 (when (not (featurep 'mule))
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82 ;; prevent non-mule errors and warnings - Ugh!
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83 (defun make-char (&rest args) nil)
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84 (defvar file-name-coding-system)
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85 )
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86 (when (featurep 'mule)
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87 ;;---------------------------------------------------------------
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88 ;; Test fillarray
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89 ;;---------------------------------------------------------------
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90 (macrolet
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91 ((fillarray-test
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92 (charset1 charset2)
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93 (let ((char1 (make-char charset1 69))
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94 (char2 (make-char charset2 69)))
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95 `(let ((string (make-string 1000 ,char1)))
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96 (fillarray string ,char2)
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97 (Assert (eq (aref string 0) ,char2))
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98 (Assert (eq (aref string (1- (length string))) ,char2))
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99 (Assert (eq (length string) 1000))))))
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100 (fillarray-test ascii latin-iso8859-1)
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101 (fillarray-test ascii latin-iso8859-2)
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102 (fillarray-test latin-iso8859-1 ascii)
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103 (fillarray-test latin-iso8859-2 ascii))
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104
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105 ;; Test aset
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106 (let ((string (string (make-char 'ascii 69) (make-char 'latin-iso8859-2 69))))
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107 (aset string 0 (make-char 'latin-iso8859-2 42))
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108 (Assert (eq (aref string 1) (make-char 'latin-iso8859-2 69))))
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109
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110 ;;---------------------------------------------------------------
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111 ;; Test strings waxing and waning across the 8k BIG_STRING limit (see alloc.c)
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112 ;;---------------------------------------------------------------
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113 (defun charset-char-string (charset)
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114 (let (lo hi string n)
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115 (if (= (charset-chars charset) 94)
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116 (setq lo 33 hi 126)
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117 (setq lo 32 hi 127))
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118 (if (= (charset-dimension charset) 1)
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119 (progn
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120 (setq string (make-string (1+ (- hi lo)) ??))
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121 (setq n 0)
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122 (loop for j from lo to hi do
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123 (progn
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124 (aset string n (make-char charset j))
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125 (incf n)))
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126 string)
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127 (progn
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128 (setq string (make-string (* (1+ (- hi lo)) (1+ (- hi lo))) ??))
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129 (setq n 0)
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130 (loop for j from lo to hi do
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131 (loop for k from lo to hi do
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132 (progn
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133 (aset string n (make-char charset j k))
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134 (incf n))))
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135 string))))
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136
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137 ;; The following two used to crash xemacs!
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138 (Assert (charset-char-string 'japanese-jisx0208))
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139 (aset (make-string 9003 ??) 1 (make-char 'latin-iso8859-1 77))
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140
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141 (let ((greek-string (charset-char-string 'greek-iso8859-7))
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142 (string (make-string (* 96 60) ??)))
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143 (loop for j from 0 below (length string) do
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144 (aset string j (aref greek-string (mod j 96))))
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145 (loop for k in '(0 1 58 59) do
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146 (Assert (equal (substring string (* 96 k) (* 96 (1+ k))) greek-string))))
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147
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148 (let ((greek-string (charset-char-string 'greek-iso8859-7))
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149 (string (make-string (* 96 60) ??)))
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150 (loop for j from (1- (length string)) downto 0 do
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151 (aset string j (aref greek-string (mod j 96))))
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152 (loop for k in '(0 1 58 59) do
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153 (Assert (equal (substring string (* 96 k) (* 96 (1+ k))) greek-string))))
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154
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155 (let ((ascii-string (charset-char-string 'ascii))
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156 (string (make-string (* 94 60) (make-char 'greek-iso8859-7 57))))
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157 (loop for j from 0 below (length string) do
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158 (aset string j (aref ascii-string (mod j 94))))
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159 (loop for k in '(0 1 58 59) do
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160 (Assert (equal (substring string (* 94 k) (+ 94 (* 94 k))) ascii-string))))
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161
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162 (let ((ascii-string (charset-char-string 'ascii))
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163 (string (make-string (* 94 60) (make-char 'greek-iso8859-7 57))))
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164 (loop for j from (1- (length string)) downto 0 do
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165 (aset string j (aref ascii-string (mod j 94))))
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166 (loop for k in '(0 1 58 59) do
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167 (Assert (equal (substring string (* 94 k) (* 94 (1+ k))) ascii-string))))
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168
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169 ;;---------------------------------------------------------------
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170 ;; Test file-system character conversion (and, en passant, file ops)
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171 ;;---------------------------------------------------------------
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172 (let* ((scaron (make-char 'latin-iso8859-2 57))
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173 (latin2-string (make-string 4 scaron))
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174 (prefix (concat (file-name-as-directory (temp-directory)) latin2-string))
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175 (name1 (make-temp-name prefix))
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176 (name2 (make-temp-name prefix))
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177 (file-name-coding-system 'iso-8859-2))
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178 ;; This is how you suppress output from `message', called by `write-region'
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179 (flet ((append-message (&rest args) ()))
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180 (Assert (not (equal name1 name2)))
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181 (Assert (not (file-exists-p name1)))
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182 (write-region (point-min) (point-max) name1)
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183 (Assert (file-exists-p name1))
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184 (when (fboundp 'make-symbolic-link)
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185 (make-symbolic-link name1 name2)
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186 (Assert (file-exists-p name2))
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187 (Assert (equal (file-truename name2) name1))
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188 (Assert (equal (file-truename name1) name1)))
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189
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190 (condition-case nil
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191 (progn
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192 (delete-file name1)
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193 (delete-file name2))
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194 (file-error nil))))
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195
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196 ;; Add many more file operation tests here...
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197
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198 )
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