| #! /bin/bash |
| # FS QA Test No. 182 |
| # |
| # Test the convention that dedupe with length == 0 always returns success. |
| # - Create a file. |
| # - Try to dedupe "zero" bytes. |
| # - Check that the dedupe happened and nothing changed. |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2015, Oracle and/or its affiliates. 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.* $testdir |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/reflink |
| |
| # real QA test starts here |
| _supported_os Linux |
| _require_test_dedupe |
| |
| rm -f $seqres.full |
| |
| testdir=$TEST_DIR/test-$seq |
| rm -rf $testdir |
| mkdir $testdir |
| |
| echo "Create the original files" |
| blksz=65536 |
| _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full |
| _pwrite_byte 0x62 0 $((blksz * 257)) $testdir/file2 >> $seqres.full |
| _pwrite_byte 0x62 0 $((blksz * 257)) $testdir/file2.chk >> $seqres.full |
| _dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full |
| _test_cycle_mount |
| |
| md5sum $testdir/file1 | _filter_test_dir |
| md5sum $testdir/file2 | _filter_test_dir |
| md5sum $testdir/file2.chk | _filter_test_dir |
| |
| c1=$(_md5_checksum $testdir/file1) |
| c2=$(_md5_checksum $testdir/file2) |
| |
| test ${c1} != ${c2} || echo "file1 and file2 should not match" |
| |
| echo "Compare against check files" |
| cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match" |
| |
| echo "Make the original file almost dedup-able" |
| _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full |
| _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file2 >> $seqres.full |
| _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file2.chk >> $seqres.full |
| _dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full |
| _test_cycle_mount |
| |
| md5sum $testdir/file1 | _filter_test_dir |
| md5sum $testdir/file2 | _filter_test_dir |
| md5sum $testdir/file2.chk | _filter_test_dir |
| |
| c1=$(_md5_checksum $testdir/file1) |
| c2=$(_md5_checksum $testdir/file2) |
| |
| test ${c1} != ${c2} || echo "file1 and file2 should not match" |
| |
| echo "Compare against check files" |
| cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match" |
| |
| echo "Make the original file dedup-able" |
| _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full |
| _pwrite_byte 0x61 0 $((blksz * 257)) $testdir/file2 >> $seqres.full |
| _pwrite_byte 0x61 0 $((blksz * 257)) $testdir/file2.chk >> $seqres.full |
| _dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full |
| _test_cycle_mount |
| |
| md5sum $testdir/file1 | _filter_test_dir |
| md5sum $testdir/file2 | _filter_test_dir |
| md5sum $testdir/file2.chk | _filter_test_dir |
| |
| c1=$(_md5_checksum $testdir/file1) |
| c2=$(_md5_checksum $testdir/file2) |
| |
| test ${c1} = ${c2} || echo "file1 and file2 should match" |
| |
| echo "Compare against check files" |
| cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match" |
| |
| # success, all done |
| status=0 |
| exit |