tests/printf.tests

   1 LC_ALL=C
   2 LC_NUMERIC=C
   3
   4 # these should output error messages -- the format is required
   5 printf
   6 printf --
   7
   8 # these should output nothing
   9 printf ""
  10 printf -- ""
  11
  12 # in the future this may mean to put the output into VAR, but for
  13 # now it is an error
  14 # 2005-03-15 no longer an error
  15 unset var
  16 printf -v var "%10d" $RANDOM
  17 echo ${#var}
  18
  19 # this should expand escape sequences in the format string, nothing else
  20 printf "\tone\n"
  21
  22 # this should not cut off output after the \c
  23 printf "one\ctwo\n"
  24
  25 # and unrecognized backslash escapes should have the backslash preserverd
  26 printf "4\.2\n"
  27
  28 printf "no newline " ; printf "now newline\n"
  29
  30 # %% -> %
  31 printf "%%\n"
  32
  33 # this was a bug caused by pre-processing the string for backslash escapes
  34 # before doing the `%' format processing -- all versions before bash-2.04
  35 printf "\045" ; echo
  36 printf "\045d\n"
  37
  38 # simple character output
  39 printf "%c\n" ABCD
  40
  41 # test simple string output
  42 printf "%s\n" unquoted
  43
  44 # test quoted string output
  45 printf "%s %q\n" unquoted quoted
  46 printf "%s%10q\n" unquoted quoted
  47
  48 printf "%q\n" 'this&that'
  49
  50 # make sure the format string is reused to use up arguments
  51 printf "%d " 1 2 3 4 5; printf "\n"
  52
  53 # make sure that extra format characters get null arguments
  54 printf "%s %d %d %d\n" onestring
  55
  56 printf "%s %d %u %4.2f\n" onestring
  57
  58 printf -- "--%s %s--\n" 4.2 ''
  59 printf -- "--%s %s--\n" 4.2
  60
  61 # test %b escapes
  62
  63 # 8 is a non-octal digit, so the `81' should be output
  64 printf -- "--%b--\n" '\n\081'
  65
  66 printf -- "--%b--\n" '\t\0101'
  67 printf -- "--%b--\n" '\t\101'
  68
  69 # these should all display `A7'
  70 echo -e "\01017"
  71 echo -e "\x417"
  72
  73 printf "%b\n" '\01017'
  74 printf "%b\n" '\1017'
  75 printf "%b\n" '\x417'
  76
  77 printf -- "--%b--\n" '\"abcd\"'
  78 printf -- "--%b--\n" "\'abcd\'"
  79
  80 printf -- "--%b--\n" 'a\\x'
  81
  82 printf -- "--%b--\n" '\x'
  83
  84 Z1=$(printf -- "%b\n" '\a\b\e\f\r\v')
  85 Z2=$'\a\b\e\f\r\v'
  86
  87 if [ "$Z1" != "$Z2" ]; then
  88         echo "whoops: printf %b and $'' differ" >&2
  89 fi
  90 unset Z1 Z2
  91
  92 printf -- "--%b--\n" ''
  93 printf -- "--%b--\n"
  94
  95 # the stuff following the \c should be ignored, as well as the rest
  96 # of the format string
  97 printf -- "--%b--\n" '4.2\c5.4\n'; printf "\n"
  98
  99 # unrecognized escape sequences should by displayed unchanged
 100 printf -- "--%b--\n" '4\.2'
 101
 102 # a bare \ should not be processed as an escape sequence
 103 printf -- "--%b--\n" '\'
 104
 105 # make sure extra arguments are ignored if the format string doesn't
 106 # actually use them
 107 printf "\n" 4.4 BSD
 108 printf " " 4.4 BSD ; printf "\n"
 109
 110 # make sure that a fieldwidth and precision of `*' are handled right
 111 printf "%10.8s\n" 4.4BSD
 112 printf "%*.*s\n" 10 8 4.4BSD
 113
 114 printf "%10.8q\n" 4.4BSD
 115 printf "%*.*q\n" 10 8 4.4BSD
 116
 117 printf "%6b\n" 4.4BSD
 118 printf "%*b\n" 6 4.4BSD
 119
 120 # we handle this crap with homemade code in printf.def
 121 printf "%10b\n" 4.4BSD
 122 printf -- "--%-10b--\n" 4.4BSD
 123 printf "%4.2b\n" 4.4BSD
 124 printf "%.3b\n" 4.4BSD
 125 printf -- "--%-8b--\n" 4.4BSD
 126
 127 # test numeric conversions -- these four lines should echo identically
 128 printf "%d %u %i 0%o 0x%x 0x%X\n" 255 255 255 255 255 255
 129 printf "%d %u %i %#o %#x %#X\n" 255 255 255 255 255 255
 130
 131 printf "%ld %lu %li 0%o 0x%x 0x%X\n" 255 255 255 255 255 255
 132 printf "%ld %lu %li %#o %#x %#X\n" 255 255 255 255 255 255
 133
 134 printf "%10d\n" 42
 135 printf "%10d\n" -42
 136
 137 printf "%*d\n" 10 42
 138 printf "%*d\n" 10 -42
 139
 140 # test some simple floating point formats
 141 printf "%4.2f\n" 4.2
 142 printf "%#4.2f\n" 4.2
 143 printf "%#4.1f\n" 4.2
 144
 145 printf "%*.*f\n" 4 2 4.2
 146 printf "%#*.*f\n" 4 2 4.2
 147 printf "%#*.*f\n" 4 1 4.2
 148
 149 printf "%E\n" 4.2
 150 printf "%e\n" 4.2
 151 printf "%6.1E\n" 4.2
 152 printf "%6.1e\n" 4.2
 153
 154 printf "%G\n" 4.2
 155 printf "%g\n" 4.2
 156 printf "%6.2G\n" 4.2
 157 printf "%6.2g\n" 4.2
 158
 159 # test some of the more esoteric features of POSIX.1 printf
 160 printf "%d\n" "'string'"
 161 printf "%d\n" '"string"'
 162
 163 printf "%#o\n" "'string'"
 164 printf "%#o\n" '"string"'
 165
 166 printf "%#x\n" "'string'"
 167 printf "%#X\n" '"string"'
 168
 169 printf "%6.2f\n" "'string'"
 170 printf "%6.2f\n" '"string"'
 171
 172 # output from these two lines had better be the same
 173 printf -- "--%6.4s--\n" abcdefghijklmnopqrstuvwxyz
 174 printf -- "--%6.4b--\n" abcdefghijklmnopqrstuvwxyz
 175
 176 # and these two also
 177 printf -- "--%12.10s--\n" abcdefghijklmnopqrstuvwxyz
 178 printf -- "--%12.10b--\n" abcdefghijklmnopqrstuvwxyz
 179
 180 # tests for translating \' to ' and \\ to \
 181 # printf translates \' to ' in the format string...
 182 printf "\'abcd\'\n"
 183
 184 # but not when the %b format specification is used
 185 printf "%b\n" \\\'abcd\\\'
 186
 187 # but both translate \\ to \
 188 printf '\\abcd\\\n'
 189 printf "%b\n" '\\abcd\\'
 190
 191 # this was reported as a bug in bash-2.03
 192 # these three lines should all echo `26'
 193 printf "%d\n" 0x1a
 194 printf "%d\n" 032
 195 printf "%d\n" 26
 196
 197 # error messages
 198
 199 # this should be an overflow, but error messages vary between systems
 200 # printf "%lu\n" 4294967296
 201
 202 # ...but we cannot use this because some systems (SunOS4, for example),
 203 # happily ignore overflow conditions in strtol(3)
 204 #printf "%ld\n" 4294967296
 205
 206 printf "%10"
 207 printf "ab%Mcd\n"
 208
 209 # this caused an infinite loop in older versions of printf
 210 printf "%y" 0
 211
 212 # these should print a warning and `0', according to POSIX.2
 213 printf "%d\n" GNU
 214 printf "%o\n" GNU
 215
 216 # failures in all bash versions through bash-2.05
 217 printf "%.0s" foo
 218 printf "%.*s" 0 foo
 219
 220 printf '%.0b-%.0s\n' foo bar
 221 printf '(%*b)(%*s)\n' -4 foo -4 bar
 222
 223 format='%'`printf '%0100384d' 0`'d\n'
 224 printf $format 0
 225
 226 # failures in all bash versions through bash-3.0 - undercounted characters
 227 unset vv
 228 printf "  %s %s %s  \n%n" ab cd ef vv
 229 echo "$vv"
 230
 231 # this doesn't work with printf(3) on all systems
 232 #printf "%'s\n" foo
 233
 234 # test cases from an austin-group list discussion
 235 # prints ^G as an extension
 236 printf '%b\n' '\7'
 237
 238 # prints ^G
 239 printf '%b\n' '\0007'
 240
 241 # prints NUL then 7
 242 printf '\0007\n'
 243
 244 # prints no more than two hex digits
 245 printf '\x07e\n'
 246
 247 # additional backslash escapes
 248 printf '\"\?\n'
 249
 250 # failures with decimal precisions until after bash-3.1
 251 printf '%0.5d\n' 1
 252
 253 printf '%05d\n' 1
 254 printf '%5d\n' 1
 255 printf '%0d\n' 1
 256
 257 # failures with various floating point formats and 0 after bash-3.2
 258
 259 printf "%G\n" 0
 260 printf "%g\n" 0
 261 printf "%4.2G\n" 0
 262 printf "%4.2g\n" 0
 263
 264 printf "%G\n" 4
 265 printf "%g\n" 4
 266 printf "%4.2G\n" 4
 267 printf "%4.2g\n" 4
 268
 269 printf "%F\n" 0
 270 printf "%f\n" 0
 271 printf "%4.2F\n" 0
 272 printf "%4.2f\n" 0
 273
 274 printf "%F\n" 4
 275 printf "%f\n" 4
 276 printf "%4.2F\n" 4
 277 printf "%4.2f\n" 4
 278
 279 printf "%E\n" 0
 280 printf "%e\n" 0
 281 printf "%4.2E\n" 0
 282 printf "%4.2e\n" 0
 283
 284 printf "%E\n" 4
 285 printf "%e\n" 4
 286 printf "%4.2E\n" 4
 287 printf "%4.2e\n" 4
 288
 289 printf "%08X\n" 2604292517
 290
 291 # make sure these format specifiers all output '' for empty string arguments
 292 echo q
 293 printf "%q\n" ""
 294 printf "%q\n"
 295
 296 echo s
 297 printf "%s\n" ''
 298 printf "%s\n"
 299
 300 echo b
 301 printf "%b\n" ''
 302 printf "%b\n"
 303
 304 # bug in bash versions up to and including bash-3.2
 305 v=yyy
 306 printf -v var "%s" '/current/working/directory/*.@(m3|i3|ig|mg)'
 307 shopt -s nullglob extglob
 308 echo "x$(printf "%b" @(hugo))x"
 309 printf -v var "%b" @(hugo); echo "x${var}x"
 310
 311 # tests variable assignment with -v
 312 ${THIS_SH} ./printf1.sub
 313
 314 ${THIS_SH} ./printf2.sub
 315
 316 ${THIS_SH} ./printf3.sub
 317
 318 ${THIS_SH} ./printf4.sub
 319