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