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-rw-r--r--tests/Makefile.am1
-rwxr-xr-xtests/dd/direct40
2 files changed, 41 insertions, 0 deletions
diff --git a/tests/Makefile.am b/tests/Makefile.am
index ad19d0264..6ad61331c 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -298,6 +298,7 @@ TESTS = \
cp/src-base-dot \
cp/symlink-slash \
cp/thru-dangling \
+ dd/direct \
dd/misc \
dd/not-rewound \
dd/reblock \
diff --git a/tests/dd/direct b/tests/dd/direct
new file mode 100755
index 000000000..7e80bee15
--- /dev/null
+++ b/tests/dd/direct
@@ -0,0 +1,40 @@
+#!/bin/sh
+# ensure that dd's oflag=direct works
+
+# Copyright (C) 2009 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
+ dd --version
+fi
+
+. $srcdir/test-lib.sh
+
+truncate -s 8192 in || framework_failure
+dd if=in oflag=direct of=out 2> /dev/null \
+ || skip_test_ 'this file system lacks support for O_DIRECT'
+
+truncate -s 511 short || framework_failure
+truncate -s 8191 m1 || framework_failure
+truncate -s 8193 p1 || framework_failure
+
+fail=0
+for i in short m1 p1; do
+ rm -f out
+ dd if=$i oflag=direct of=out || fail=1
+done
+
+Exit $fail