tests/printf1.sub

   1 #   This program is free software: you can redistribute it and/or modify
   2 #   it under the terms of the GNU General Public License as published by
   3 #   the Free Software Foundation, either version 3 of the License, or
   4 #   (at your option) any later version.
   5 #
   6 #   This program is distributed in the hope that it will be useful,
   7 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 #   GNU General Public License for more details.
  10 #
  11 #   You should have received a copy of the GNU General Public License
  12 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  13 #
  14 LC_ALL=C
  15 LC_NUMERIC=C
  16
  17 unset vv
  18
  19 # this should expand escape sequences in the format string, nothing else
  20 printf -v vv "\tone\n"
  21 printf "%s"  "$vv"
  22
  23 # this should not cut off output after the \c
  24 printf -v vv "one\ctwo\n"
  25 printf "%s"  "$vv"
  26
  27 # and unrecognized backslash escapes should have the backslash preserverd
  28 printf -v vv "4\.2\n"
  29 printf "%s"  "$vv"
  30
  31 printf -v vv "no newline " ; printf "%s" "$vv" ; printf -v vv "now newline\n"
  32 printf "%s"  "$vv"
  33
  34 # %% -> %
  35 printf -v vv "%%\n"
  36 printf "%s"  "$vv"
  37
  38 # this was a bug caused by pre-processing the string for backslash escapes
  39 # before doing the `%' format processing -- all versions before bash-2.04
  40 printf -v vv "\045"
  41 printf "%s"  "$vv"
  42 echo
  43 printf -v vv "\045d\n"
  44 printf "%s"  "$vv"
  45
  46 # simple character output
  47 printf -v vv "%c\n" ABCD
  48 printf "%s"  "$vv"
  49
  50 # test simple string output
  51 printf -v vv "%s\n" unquoted
  52 printf "%s"  "$vv"
  53
  54 # test quoted string output
  55 printf -v vv "%s %q\n" unquoted quoted
  56 printf "%s"  "$vv"
  57 printf -v vv "%s%10q\n" unquoted quoted
  58 printf "%s"  "$vv"
  59
  60 printf -v vv "%q\n" 'this&that'
  61 printf "%s"  "$vv"
  62
  63 # make sure the format string is reused to use up arguments
  64 printf -v vv "%d " 1 2 3 4 5
  65 printf "%s"  "$vv"
  66 echo
  67
  68 # make sure that extra format characters get null arguments
  69 printf -v vv "%s %d %d %d\n" onestring
  70 printf "%s"  "$vv"
  71
  72 printf -v vv "%s %d %u %4.2f\n" onestring
  73 printf "%s"  "$vv"
  74
  75 printf -v vv -- "--%s %s--\n" 4.2 ''
  76 printf "%s"  "$vv"
  77 printf -v vv -- "--%s %s--\n" 4.2
  78 printf "%s"  "$vv"
  79
  80 # test %b escapes
  81
  82 # 8 is a non-octal digit, so the `81' should be output
  83 #printf -v vv -- "--%b--\n" '\n\081'
  84 #printf "%s"  "$vv"
  85
  86 printf -v vv -- "--%b--\n" '\t\0101'
  87 printf "%s"  "$vv"
  88 printf -v vv -- "--%b--\n" '\t\101'
  89 printf "%s"  "$vv"
  90
  91 # these should all display `A7'
  92 printf -v vv "%b\n" '\01017'
  93 printf "%s"  "$vv"
  94 printf -v vv "%b\n" '\1017'
  95 printf "%s"  "$vv"
  96 printf -v vv "%b\n" '\x417'
  97 printf "%s"  "$vv"
  98
  99 printf -v vv -- "--%b--\n" '\"abcd\"'
 100 printf "%s"  "$vv"
 101 printf -v vv -- "--%b--\n" "\'abcd\'"
 102 printf "%s"  "$vv"
 103
 104 printf -v vv -- "--%b--\n" 'a\\x'
 105 printf "%s"  "$vv"
 106
 107 printf -v vv -- "--%b--\n" '\x'
 108 printf "%s"  "$vv"
 109
 110 Z1=$(printf -- "%b\n" '\a\b\e\f\r\v')
 111 Z2=$'\a\b\e\f\r\v'
 112
 113 if [ "$Z1" != "$Z2" ]; then
 114         printf "%s"  "whoops: printf -v vv %b and $'' differ" >&2
 115 fi
 116 unset Z1 Z2
 117
 118 printf -v vv -- "--%b--\n" ''
 119 printf "%s"  "$vv"
 120 printf -v vv -- "--%b--\n"
 121 printf "%s"  "$vv"
 122
 123 # the stuff following the \c should be ignored, as well as the rest
 124 # of the format string
 125 printf -v vv -- "--%b--\n" '4.2\c5.4\n'
 126 printf "%s"  "$vv"
 127 echo
 128
 129 # unrecognized escape sequences should by displayed unchanged
 130 printf -v vv -- "--%b--\n" '4\.2'
 131 printf "%s"  "$vv"
 132
 133 # a bare \ should not be processed as an escape sequence
 134 printf -v vv -- "--%b--\n" '\'
 135 printf "%s"  "$vv"
 136
 137 # make sure extra arguments are ignored if the format string doesn't
 138 # actually use them
 139 printf -v vv "\n" 4.4 BSD
 140 printf "%s"  "$vv"
 141 printf -v vv " " 4.4 BSD
 142 printf "%s"  "$vv"
 143 echo
 144
 145 # make sure that a fieldwidth and precision of `*' are handled right
 146 printf -v vv "%10.8s\n" 4.4BSD
 147 printf "%s"  "$vv"
 148 printf -v vv "%*.*s\n" 10 8 4.4BSD
 149 printf "%s"  "$vv"
 150
 151 printf -v vv "%10.8q\n" 4.4BSD
 152 printf "%s"  "$vv"
 153 printf -v vv "%*.*q\n" 10 8 4.4BSD
 154 printf "%s"  "$vv"
 155
 156 printf -v vv "%6b\n" 4.4BSD
 157 printf "%s"  "$vv"
 158 printf -v vv "%*b\n" 6 4.4BSD
 159 printf "%s"  "$vv"
 160
 161 # we handle this crap with homemade code in printf -v vv.def
 162 printf -v vv "%10b\n" 4.4BSD
 163 printf "%s"  "$vv"
 164 printf -v vv -- "--%-10b--\n" 4.4BSD
 165 printf "%s"  "$vv"
 166 printf -v vv "%4.2b\n" 4.4BSD
 167 printf "%s"  "$vv"
 168 printf -v vv "%.3b\n" 4.4BSD
 169 printf "%s"  "$vv"
 170 printf -v vv -- "--%-8b--\n" 4.4BSD
 171 printf "%s"  "$vv"
 172
 173 # test numeric conversions -- these four lines should printf "%s"  identically
 174 printf -v vv "%d %u %i 0%o 0x%x 0x%X\n" 255 255 255 255 255 255
 175 printf "%s"  "$vv"
 176 printf -v vv "%d %u %i %#o %#x %#X\n" 255 255 255 255 255 255
 177 printf "%s"  "$vv"
 178
 179 printf -v vv "%ld %lu %li 0%o 0x%x 0x%X\n" 255 255 255 255 255 255
 180 printf "%s"  "$vv"
 181 printf -v vv "%ld %lu %li %#o %#x %#X\n" 255 255 255 255 255 255
 182 printf "%s"  "$vv"
 183
 184 printf -v vv "%10d\n" 42
 185 printf "%s"  "$vv"
 186 printf -v vv "%10d\n" -42
 187 printf "%s"  "$vv"
 188
 189 printf -v vv "%*d\n" 10 42
 190 printf "%s"  "$vv"
 191 printf -v vv "%*d\n" 10 -42
 192 printf "%s"  "$vv"
 193
 194 # test some simple floating point formats
 195 printf -v vv "%4.2f\n" 4.2
 196 printf "%s"  "$vv"
 197 printf -v vv "%#4.2f\n" 4.2
 198 printf "%s"  "$vv"
 199 printf -v vv "%#4.1f\n" 4.2
 200 printf "%s"  "$vv"
 201
 202 printf -v vv "%*.*f\n" 4 2 4.2
 203 printf "%s"  "$vv"
 204 printf -v vv "%#*.*f\n" 4 2 4.2
 205 printf "%s"  "$vv"
 206 printf -v vv "%#*.*f\n" 4 1 4.2
 207 printf "%s"  "$vv"
 208
 209 printf -v vv "%E\n" 4.2
 210 printf "%s"  "$vv"
 211 printf -v vv "%e\n" 4.2
 212 printf "%s"  "$vv"
 213 printf -v vv "%6.1E\n" 4.2
 214 printf "%s"  "$vv"
 215 printf -v vv "%6.1e\n" 4.2
 216 printf "%s"  "$vv"
 217
 218 printf -v vv "%G\n" 4.2
 219 printf "%s"  "$vv"
 220 printf -v vv "%g\n" 4.2
 221 printf "%s"  "$vv"
 222 printf -v vv "%6.2G\n" 4.2
 223 printf "%s"  "$vv"
 224 printf -v vv "%6.2g\n" 4.2
 225 printf "%s"  "$vv"
 226
 227 # test some of the more esoteric features of POSIX.1 printf -v vv
 228 printf -v vv "%d\n" "'string'"
 229 printf "%s"  "$vv"
 230 printf -v vv "%d\n" '"string"'
 231 printf "%s"  "$vv"
 232
 233 printf -v vv "%#o\n" "'string'"
 234 printf "%s"  "$vv"
 235 printf -v vv "%#o\n" '"string"'
 236 printf "%s"  "$vv"
 237
 238 printf -v vv "%#x\n" "'string'"
 239 printf "%s"  "$vv"
 240 printf -v vv "%#X\n" '"string"'
 241 printf "%s"  "$vv"
 242
 243 printf -v vv "%6.2f\n" "'string'"
 244 printf "%s"  "$vv"
 245 printf -v vv "%6.2f\n" '"string"'
 246 printf "%s"  "$vv"
 247
 248 # output from these two lines had better be the same
 249 printf -v vv -- "--%6.4s--\n" abcdefghijklmnopqrstuvwxyz
 250 printf "%s"  "$vv"
 251 printf -v vv -- "--%6.4b--\n" abcdefghijklmnopqrstuvwxyz
 252 printf "%s"  "$vv"
 253
 254 # and these two also
 255 printf -v vv -- "--%12.10s--\n" abcdefghijklmnopqrstuvwxyz
 256 printf "%s"  "$vv"
 257 printf -v vv -- "--%12.10b--\n" abcdefghijklmnopqrstuvwxyz
 258 printf "%s"  "$vv"
 259
 260 # tests for translating \' to ' and \\ to \
 261 # printf -v vv translates \' to ' in the format string...
 262 printf -v vv "\'abcd\'\n"
 263 printf "%s"  "$vv"
 264
 265 # but not when the %b format specification is used
 266 printf -v vv "%b\n" \\\'abcd\\\'
 267 printf "%s"  "$vv"
 268
 269 # but both translate \\ to \
 270 printf -v vv '\\abcd\\\n'
 271 printf "%s"  "$vv"
 272 printf -v vv "%b\n" '\\abcd\\'
 273 printf "%s"  "$vv"
 274
 275 # this was reported as a bug in bash-2.03
 276 # these three lines should all printf "%s"  `26'
 277 printf -v vv "%d\n" 0x1a
 278 printf "%s"  "$vv"
 279 printf -v vv "%d\n" 032
 280 printf "%s"  "$vv"
 281 printf -v vv "%d\n" 26
 282 printf "%s"  "$vv"
 283
 284 # error messages
 285
 286 # this should be an overflow, but error messages vary between systems
 287 # printf -v vv "%lu\n" 4294967296
 288
 289 # ...but we cannot use this because some systems (SunOS4, for example),
 290 # happily ignore overflow conditions in strtol(3)
 291 #printf -v vv "%ld\n" 4294967296
 292
 293 printf -v vv "%10"
 294 printf -v vv "ab%Mcd\n"
 295
 296 # this caused an infinite loop in older versions of printf -v vv
 297 printf -v vv "%y" 0
 298
 299 # these should print a warning and `0', according to POSIX.2
 300 printf -v vv "%d\n" GNU
 301 printf "%s"  "$vv"
 302 printf -v vv "%o\n" GNU
 303 printf "%s"  "$vv"
 304
 305 # failures in all bash versions through bash-2.05
 306 printf -v vv "%.0s" foo
 307 printf "%s"  "$vv"
 308 printf -v vv "%.*s" 0 foo
 309 printf "%s"  "$vv"
 310
 311 printf -v vv '%.0b-%.0s\n' foo bar
 312 printf "%s"  "$vv"
 313 printf -v vv '(%*b)(%*s)\n' -4 foo -4 bar
 314 printf "%s"  "$vv"
 315
 316 format='%'`printf '%0100384d' 0`'d\n'
 317 printf -v vv $format 0
 318 printf "%s"  "$vv"
 319
 320 # failures in all bash versions through bash-3.0 - undercounted characters
 321 unset vv
 322 printf -v vv "  %s %s %s  \n%n" ab cd ef vvv
 323 printf "%s" "$vv"
 324 echo $vvv
 325
 326 # this doesn't work with printf -v vv(3) on all systems
 327 #printf -v vv "%'s\n" foo
 328
 329 # test cases from an austin-group list discussion
 330 # prints ^G as an extension
 331 printf -v vv '%b\n' '\7'
 332 printf "%s"  "$vv"
 333
 334 # prints ^G
 335 printf -v vv '%b\n' '\0007'
 336 printf "%s"  "$vv"
 337
 338 # prints NUL then 7
 339 #printf -v vv '\0007\n'
 340 #printf "%s"  "$vv"
 341
 342 # prints no more than two hex digits
 343 printf -v vv '\x07e\n'
 344 printf "%s"  "$vv"
 345
 346 # additional backslash escapes
 347 printf -v vv '\"\?\n'
 348 printf "%s"  "$vv"