freebsd-dev/bin/dd/tests/dd2_test.sh
Alan Somers 07c19c27d3 Fix bin/dd/dd2_tests:seek_overflow on UFS and TMPFS
Split the postive and negative parts into separate test cases.  The positive
test case can only run on ZFS, because only ZFS supports files that large.

PR:		219757
Reported by:	ngie
MFC after:	18 days
X-MFC-with:	319339
2017-06-03 18:29:18 +00:00

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#
# Copyright (c) 2017 Spectra Logic Corporation
# All rights reserved.
#
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# modification, are permitted provided that the following conditions
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# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
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# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# $FreeBSD$
atf_test_case max_seek
max_seek_head()
{
atf_set "descr" "dd(1) can seek by the maximum amount"
}
max_seek_body()
{
case `df -T . | tail -n 1 | cut -wf 2` in
"ufs")
atf_skip "UFS's maximum file size is too small";;
"zfs") ;; # ZFS is fine
"tmpfs")
atf_skip "tmpfs can't create arbitrarily large spare files";;
*) atf_skip "Unknown file system";;
esac
touch f.in
seek=`echo "2^63 / 4096 - 1" | bc`
atf_check -s exit:0 -e ignore dd if=f.in of=f.out bs=4096 seek=$seek
}
atf_test_case seek_overflow
seek_overflow_head()
{
atf_set "descr" "dd(1) should reject too-large seek values"
}
seek_overflow_body()
{
touch f.in
seek=`echo "2^63 / 4096" | bc`
atf_check -s not-exit:0 -e match:"seek offsets cannot be larger than" \
dd if=f.in of=f.out bs=4096 seek=$seek
atf_check -s not-exit:0 -e match:"seek offsets cannot be larger than" \
dd if=f.in of=f.out bs=4096 seek=-1
}
atf_init_test_cases()
{
atf_add_test_case max_seek
atf_add_test_case seek_overflow
}