[PATCH v5 5/5] generic/420: Add a copy test for invalid input

[Anna Schumaker <Anna.Schumaker@Netapp.com>]

This test passes invalid argumnt combinations to the copy_file_range()
system call to test that input is verified before attempting to copy.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---
 tests/generic/420     | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++
 tests/generic/420.out | 12 ++++++++
 tests/generic/group   |  1 +
 3 files changed, 89 insertions(+)
 create mode 100644 tests/generic/420
 create mode 100644 tests/generic/420.out

diff --git a/tests/generic/420 b/tests/generic/420
new file mode 100644
index 00000000..703b4c13
--- /dev/null
+++ b/tests/generic/420
@@ -0,0 +1,76 @@
+#!/bin/bash
+# FS QA Test No. 420
+#
+# Tests vfs_copy_file_range() error checking
+#-----------------------------------------------------------------------
+# Copyright (c) 2016 Netapp, Inc. All rights reserved.
+#
+# 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.
+#
+# This program is distributed in the hope that it would 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, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1    # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+	cd /
+	rm -rf $tmp.*
+}
+
+# get standard environment
+. common/rc
+. common/filter
+
+# real QA test starts here
+_supported_fs generic
+_supported_os Linux
+
+_require_xfs_io_command "copy_range"
+_require_test
+
+testdir=$TEST_DIR/test-$seq
+rm -rf $testdir
+mkdir $testdir
+rm -f $seqres.full
+
+echo "Create the original files"
+$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 1000' $testdir/file >> $seqres.full 2>&1
+mknod $testdir/dev1 c 1 3
+mkfifo $testdir/fifo
+
+echo "Try to copy when source pos > source size"
+$XFS_IO_PROG -f -c "copy_range -s 1000 -l 100 $testdir/file" "$testdir/copy" 2>&1
+
+echo "Try to copy to a read-only file"
+$XFS_IO_PROG -r -f -c "copy_range -s 0 -l 100 $testdir/file" "$testdir/copy" 2>&1
+
+echo "Try to copy to an append-only file"
+$XFS_IO_PROG -a -f -c "copy_range -s 0 -l 100 $testdir/file" "$testdir/copy" 2>&1
+
+echo "Try to copy to a device"
+$XFS_IO_PROG -a -f -c "copy_range -s 0 -l 100 $testdir/file" "$testdir/dev1" 2>&1
+
+echo "Try to copy to a fifo"
+$XFS_IO_PROG -a -f -c "copy_range -s 0 -l 100 $testdir/file" "$testdir/fifo" 2>&1
+
+#success, all done
+status=0
+exit
diff --git a/tests/generic/420.out b/tests/generic/420.out
new file mode 100644
index 00000000..b1da880a
--- /dev/null
+++ b/tests/generic/420.out
@@ -0,0 +1,12 @@
+QA output created by 420
+Create the original files
+Try to copy when source pos > source size
+copy_range: Invalid argument
+Try to copy to a read-only file
+copy_range: Bad file descriptor
+Try to copy to an append-only file
+copy_range: Bad file descriptor
+Try to copy to a device
+copy_range: Invalid argument
+Try to copy to a fifo
+copy_range: Invalid argument
diff --git a/tests/generic/group b/tests/generic/group
index 6a2d3ee8..69ab8f03 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -422,3 +422,4 @@
 417 auto quick copy
 418 auto quick copy
 419 auto quick copy
+420 auto quick copy
-- 
2.12.0