| # Exercise du on a file with a big timestamp. | |
| # Copyright (C) 2010-2025 Free Software Foundation, Inc. | |
| # This program is free software: you can redistribute it and/or modify | |
| # it under the terms of the GNU General Public License as published by | |
| # the Free Software Foundation, either version 3 of the License, or | |
| # (at your option) any later version. | |
| # This program is distributed in the hope that it will be useful, | |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| # GNU General Public License for more details. | |
| # You should have received a copy of the GNU General Public License | |
| # along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src | |
| print_ver_ du | |
| export LC_ALL=C | |
| export TZ=UTC0 | |
| # 2**63 - 1 | |
| bignum=9223372036854775807 | |
| good=0 | |
| future= | |
| cleanup_() { rm -rf "$future"; } | |
| for fs in ./ /tmp /dev/shm; do | |
| future=$(mktemp -p "$fs" future.XXXXXX) || continue | |
| touch -d @$bignum "$future" 2>/dev/null && | |
| future_time=$(ls -l "$future") && | |
| case "$future_time" in | |
| *" $bignum "*) | |
| echo "file system at $fs handles big timestamps" | |
| good=1; break ;; | |
| *' Dec 4 300627798676 '*) | |
| warn_ "file system at $fs and localtime both handle big timestamps" ;; | |
| *) | |
| warn_ "file system at $fs or localtime mishandles big timestamps:" \ | |
| "$future_time" ;; | |
| esac || warn_ "file system at $fs cannot represent big timestamps" | |
| rm -f "$future" || framework_failure_ | |
| done | |
| test "$good" = 1 || skip_ "Cannot find required big timestamp support" | |
| printf "0\t$bignum\t$future\n" > exp || framework_failure_ | |
| printf "du: time '$bignum' is out of range\n" > err_ok || framework_failure_ | |
| du --time "$future" >out 2>err || fail=1 | |
| # On some systems an empty file occupies 4 blocks. | |
| # Map the number of blocks to 0. | |
| sed 's/^[0-9][0-9]*/0/' out > k && mv k out | |
| compare exp out || fail=1 | |
| compare err err_ok || fail=1 | |
| Exit $fail | |