summaryrefslogtreecommitdiffstats
path: root/tests/dd/misc.sh
diff options
context:
space:
mode:
Diffstat (limited to 'tests/dd/misc.sh')
-rwxr-xr-xtests/dd/misc.sh120
1 files changed, 120 insertions, 0 deletions
diff --git a/tests/dd/misc.sh b/tests/dd/misc.sh
new file mode 100755
index 0000000..a1f7091
--- /dev/null
+++ b/tests/dd/misc.sh
@@ -0,0 +1,120 @@
+#!/bin/sh
+# Ensure dd treats '--' properly.
+# Also test some flag values.
+
+# Copyright (C) 1999-2018 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_ dd
+
+tmp_in=dd-in
+tmp_in2=dd-in2
+tmp_sym=dd-sym
+tmp_out=dd-out
+
+warn=0
+echo data > $tmp_in || framework_failure_
+ln $tmp_in $tmp_in2 || framework_failure_
+ln -s $tmp_in $tmp_sym || framework_failure_
+
+# check status=none suppresses all output to stderr
+dd status=none if=$tmp_in of=/dev/null 2> err || fail=1
+compare /dev/null err || fail=1
+dd status=none if=$tmp_in skip=2 of=/dev/null 2> err || fail=1
+compare /dev/null err || fail=1
+# check later status=none overrides earlier status=noxfer
+dd status=noxfer status=none if=$tmp_in of=/dev/null 2> err || fail=1
+compare /dev/null err || fail=1
+# check later status=noxfer overrides earlier status=none
+dd status=none status=noxfer if=$tmp_in of=/dev/null 2> err || fail=1
+compare /dev/null err && fail=1
+
+dd if=$tmp_in of=$tmp_out 2> /dev/null || fail=1
+compare $tmp_in $tmp_out || fail=1
+
+rm $tmp_out
+dd -- if=$tmp_in of=$tmp_out 2> /dev/null || fail=1
+compare $tmp_in $tmp_out || fail=1
+
+if dd oflag=append if=$tmp_in of=$tmp_out 2> /dev/null; then
+ compare $tmp_in $tmp_out || fail=1
+fi
+
+case $(cat /dev/stdin <$tmp_in 2>/dev/null) in
+(data)
+ rm -f $tmp_out
+ dd if=/dev/stdin of=$tmp_out <$tmp_in || fail=1
+ compare $tmp_in $tmp_out || fail=1
+esac
+
+if dd iflag=nofollow if=$tmp_in count=0 2> /dev/null; then
+ returns_ 1 dd iflag=nofollow if=$tmp_sym count=0 2> /dev/null || fail=1
+fi
+
+if dd iflag=directory if=. count=0 2> /dev/null; then
+ dd iflag=directory count=0 <. 2> /dev/null || fail=1
+ returns_ 1 dd iflag=directory count=0 <$tmp_in 2> /dev/null || fail=1
+fi
+
+old_ls=$(ls -u --full-time $tmp_in)
+sleep 1
+if dd iflag=noatime if=$tmp_in of=$tmp_out 2> /dev/null; then
+ new_ls=$(ls -u --full-time $tmp_in)
+ if test "x$old_ls" != "x$new_ls"; then
+ cat >&2 <<EOF
+=================================================================
+$0: WARNING!!!
+This operating system has the O_NOATIME file status flag,
+but it is silently ignored in some cases.
+Therefore, dd options like iflag=noatime may be silently ignored.
+=================================================================
+EOF
+ warn=77
+ fi
+fi
+
+if dd oflag=nolinks if=$tmp_in of=$tmp_out 2> /dev/null; then
+ returns_ 1 dd iflag=nolinks if=$tmp_in > /dev/null 2>&1 || fail=1
+ returns_ 1 dd iflag=nolinks < $tmp_in > /dev/null 2>&1 || fail=1
+ dd oflag=nolinks < $tmp_in > $tmp_out 2>&1 || fail=1
+fi
+
+outbytes=$(echo x | dd bs=3 ibs=10 obs=10 conv=sync 2>/dev/null | wc -c)
+test "$outbytes" -eq 3 || fail=1
+
+# A delay is required to trigger a failure.
+# There might be some missed failures but it's unlikely.
+(echo a; sleep .1; echo b) \
+ | env LC_ALL=C dd bs=4 status=noxfer iflag=fullblock >out 2>err || fail=1
+printf 'a\nb\n' > out_ok || framework_failure_
+echo "1+0 records in
+1+0 records out" > err_ok || framework_failure_
+compare out_ok out || fail=1
+compare err_ok err || fail=1
+
+test $fail -eq 0 && fail=$warn
+
+# Check a warning is issued for ambiguous 0x... numbers
+dd if=/dev/null count=0x1 seek=0x1 skip=0x1 status=none 2>err || fail=1
+cat <<\EOF >exp
+dd: warning: '0x' is a zero multiplier; use '00x' if that is intended
+dd: warning: '0x' is a zero multiplier; use '00x' if that is intended
+dd: warning: '0x' is a zero multiplier; use '00x' if that is intended
+EOF
+compare exp err || fail=1
+
+
+Exit $fail