tests/ls/abmon-align.sh

   1 #!/bin/sh
   2 # Ensure ls output is aligned when using abbreviated months from the locale
   3
   4 # Copyright (C) 2009-2024 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ ls
  21
  22 mid_month="$(date +%Y-%m-15)" || framework_failure_
  23 for mon in $(seq -w 12); do
  24     touch -d"$mid_month +$mon month" $mon.ts || framework_failure_
  25 done
  26
  27
  28 # Note some of the following locales may be missing but if so
  29 # we should fail back to the C locale which should be aligned
  30
  31 for format in "%b" "[%b" "%b]" "[%b]"; do
  32   for LOC in C gv_GB ga_IE fi_FI.utf8 zh_CN ar_SY $LOCALE_FR_UTF8; do
  33     # The sed usage here is slightly different from the original,
  34     # removing the \(.*\), to avoid triggering misbehavior in at least
  35     # GNU sed 4.2 (possibly miscompiled) on Mac OS X (Darwin 9.8.0).
  36     months="$(
  37       LC_ALL=$LOC TIME_STYLE=+"$format" ls -lgG *.ts |
  38       LC_ALL=C sed 's/.\{15\}//;s/ ..\.ts$//;s/ /./g')"
  39     n_widths=$(echo "$months" |
  40       while read mon; do echo "$mon" | LC_ALL=$LOC wc -L; done |
  41       uniq | wc -l
  42     )
  43     n_dupes=$(echo "$months" | sort | uniq -d | wc -l)
  44     test "$n_widths" = "1" || { fail=1; break 2; }
  45     test "$n_dupes" = "0" || { fail=1; break 2; }
  46   done
  47 done
  48 if test "$fail" = "1"; then
  49    echo "misalignment or ambiguous output in $LOC locale:"
  50    LC_ALL=$LOC TIME_STYLE=+%b ls -lgG *.ts
  51 fi
  52
  53 Exit $fail