tests/du/bigtime.sh

   1 #!/bin/sh
   2 # Exercise du on a file with a big timestamp.
   3
   4 # Copyright (C) 2010-2024 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 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ du
  21
  22 export LC_ALL=C
  23 export TZ=UTC0
  24
  25 # 2**63 - 1
  26 bignum=9223372036854775807
  27
  28 touch -d @$bignum future 2>/dev/null &&
  29 future_time=$(ls -l future) &&
  30 case "$future_time" in
  31 *" $bignum "*)
  32   : ;;
  33 *' Dec  4  300627798676 '*)
  34   skip_ "file system and localtime both handle big timestamps" ;;
  35 *)
  36   skip_ "file system or localtime mishandles big timestamps:" \
  37       "$future_time" ;;
  38 esac || skip_ "file system cannot represent big timestamps"
  39
  40 printf "0\t$bignum\tfuture\n" > exp || framework_failure_
  41 printf "du: time '$bignum' is out of range\n" > err_ok || framework_failure_
  42
  43 du --time future >out 2>err || fail=1
  44
  45 # On some systems an empty file occupies 4 blocks.
  46 # Map the number of blocks to 0.
  47 sed 's/^[0-9][0-9]*/0/' out > k && mv k out
  48
  49 compare exp out || fail=1
  50 compare err err_ok || fail=1
  51
  52 Exit $fail