diff options
Diffstat (limited to 'tests/df/total-verify')
-rwxr-xr-x | tests/df/total-verify | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/df/total-verify b/tests/df/total-verify new file mode 100755 index 000000000..5b5856586 --- /dev/null +++ b/tests/df/total-verify @@ -0,0 +1,64 @@ +#!/bin/sh +# Ensure "df --total" computes accurate totals + +# Copyright (C) 2008 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 <http://www.gnu.org/licenses/>. + +if test "$VERBOSE" = yes; then + set -x + ls --version +fi + +. $srcdir/test-lib.sh + +cat <<\EOF > check-df || framework_failure +my ($total, $used, $avail) = (0, 0, 0); +while (<>) + { + $. == 1 + and next; # skip first (header) line + # Recognize df output lines like these: + # /dev/sdc1 0 0 0 - /c + # tmpfs 1536000 12965 1523035 1% /tmp + # total 5285932 787409 4498523 15% + /^(.*?) +(-?\d+|-) +(-?\d+|-) +(-?\d+|-) +(?:- |[0-9]+%)(.*)$/ + or die "$0: invalid input line\n: $_"; + if ($1 eq 'total' && $5 eq '') + { + $total == $2 or die "$total != $2"; + $used == $3 or die "$used != $3"; + $avail == $4 or die "$avail != $4"; + my $line = <>; + defined $line + and die "$0: extra line(s) after totals\n"; + exit 0; + } + $total += $2 unless $2 eq '-'; + $used += $3 unless $3 eq '-'; + $avail += $4 unless $4 eq '-'; + } +die "$0: missing line of totals\n"; +EOF + +# Use --block-size=512 to keep df from printing rounded-to-kilobyte +# numbers which wouldn't necessarily add up to the displayed total. +df --total -P --block-size=512 |tee space || framework_failure +df --total -i -P |tee inode || framework_failure + +fail=0 +$PERL -f check-df space || fail=1 +$PERL -f check-df inode || fail=1 + +Exit $fail |