tests/timestamp

   1 #!/bin/sh
   2 # Exercise timestamps.
   3
   4 # Copyright 2016-2025 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 # limit so don't run it by default.
  19
  20 . "${srcdir=.}/init.sh"; path_prepend_ ..
  21
  22 TZ=UTC0
  23 export TZ
  24 oldIFS=$IFS
  25
  26 # On platforms supporting timestamps outside gzip's range,
  27 # test that gzip warns when converting them to gzip format.
  28 for time_date in \
  29     '190101010000~Jan  1  1901' \
  30     '196912312359.59~Dec 31  1969' \
  31     '197001010000~Jan  1  1970' \
  32     '210602070628.16~Feb  7  2106'
  33 do
  34   IFS='~'
  35   set $time_date
  36   time=$1
  37   date=$2
  38   IFS=$oldIFS
  39   if touch -t $time in; then
  40     ls_l=$(ls -l in)
  41     case $ls_l in
  42       *"$date"*) returns_ 2 gzip in || fail=1;;
  43     esac
  44   fi
  45   rm -f in.gz in
  46 done
  47
  48 # Test that timestamps in range for gzip do not generate warnings.
  49 for time_date in \
  50     '197001010000.01~Jan  1  1970' \
  51     '203801190314.07~Jan 19  2038' \
  52     '203801190314.08~Jan 19  2038' \
  53     '210602070628.15~Feb  7  2106'
  54 do
  55   IFS='~'
  56   set $time_date
  57   time=$1
  58   date=$2
  59   IFS=$oldIFS
  60   if touch -t $time in; then
  61     ls_l=$(ls -l in)
  62     case $ls_l in
  63       *"$date"*) gzip in || fail=1;;
  64     esac
  65   fi
  66   rm -f in.gz in
  67 done
  68
  69 # Test that gzip succeeds when converting timestamps from gzip format,
  70 # or warns that the timestamp is out of time_t range.
  71 printf '\037\213\10\0\377\377\377\377\0\377\3\0\0\0\0\0\0\0\0\0' >y2106.gz ||
  72   framework_failure_
  73 gzip -Nlv <y2106.gz
  74 status=$?
  75 test $status -eq 0 || test $status -eq 2 || fail=1
  76
  77 # Ensure that --no-name does not provoke a timestamp warning.
  78 : | gzip --no-name > k || fail=1
  79
  80 Exit $fail