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https://github.com/linux-apfs/apfstests.git
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Dave Chinner
cf89aed924
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
103 lines
3.0 KiB
Bash
Executable File
103 lines
3.0 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
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#
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# FS QA Test No. 182
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#
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# Test the convention that dedupe with length == 0 always returns success.
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# - Create a file.
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# - Try to dedupe "zero" bytes.
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# - Check that the dedupe happened and nothing changed.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -rf $tmp.* $testdir
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/reflink
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# real QA test starts here
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_supported_os Linux
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_require_test_dedupe
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rm -f $seqres.full
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testdir=$TEST_DIR/test-$seq
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rm -rf $testdir
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mkdir $testdir
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echo "Create the original files"
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blksz=65536
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_pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
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_pwrite_byte 0x62 0 $((blksz * 257)) $testdir/file2 >> $seqres.full
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_pwrite_byte 0x62 0 $((blksz * 257)) $testdir/file2.chk >> $seqres.full
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_dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
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_test_cycle_mount
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md5sum $testdir/file1 | _filter_test_dir
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md5sum $testdir/file2 | _filter_test_dir
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md5sum $testdir/file2.chk | _filter_test_dir
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c1=$(_md5_checksum $testdir/file1)
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c2=$(_md5_checksum $testdir/file2)
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test ${c1} != ${c2} || echo "file1 and file2 should not match"
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echo "Compare against check files"
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cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"
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echo "Make the original file almost dedup-able"
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_pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
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_pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file2 >> $seqres.full
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_pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file2.chk >> $seqres.full
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_dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
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_test_cycle_mount
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md5sum $testdir/file1 | _filter_test_dir
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md5sum $testdir/file2 | _filter_test_dir
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md5sum $testdir/file2.chk | _filter_test_dir
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c1=$(_md5_checksum $testdir/file1)
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c2=$(_md5_checksum $testdir/file2)
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test ${c1} != ${c2} || echo "file1 and file2 should not match"
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echo "Compare against check files"
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cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"
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echo "Make the original file dedup-able"
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_pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
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_pwrite_byte 0x61 0 $((blksz * 257)) $testdir/file2 >> $seqres.full
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_pwrite_byte 0x61 0 $((blksz * 257)) $testdir/file2.chk >> $seqres.full
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_dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
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_test_cycle_mount
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md5sum $testdir/file1 | _filter_test_dir
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md5sum $testdir/file2 | _filter_test_dir
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md5sum $testdir/file2.chk | _filter_test_dir
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c1=$(_md5_checksum $testdir/file1)
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c2=$(_md5_checksum $testdir/file2)
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test ${c1} = ${c2} || echo "file1 and file2 should match"
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echo "Compare against check files"
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cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"
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# success, all done
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status=0
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exit
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