2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
7 # Test the convention that dedupe with length == 0 always returns success.
9 # - Try to dedupe "zero" bytes.
10 # - Check that the dedupe happened and nothing changed.
13 seqres=$RESULT_DIR/$seq
14 echo "QA output created by $seq"
18 status=1 # failure is the default!
19 trap "_cleanup; exit \$status" 0 1 2 3 15
24 rm -rf $tmp.* $testdir
27 # get standard environment, filters and checks
32 # real QA test starts here
38 testdir=$TEST_DIR/test-$seq
42 echo "Create the original files"
44 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
45 _pwrite_byte 0x62 0 $((blksz * 257)) $testdir/file2 >> $seqres.full
46 _pwrite_byte 0x62 0 $((blksz * 257)) $testdir/file2.chk >> $seqres.full
47 _dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
50 md5sum $testdir/file1 | _filter_test_dir
51 md5sum $testdir/file2 | _filter_test_dir
52 md5sum $testdir/file2.chk | _filter_test_dir
54 c1=$(_md5_checksum $testdir/file1)
55 c2=$(_md5_checksum $testdir/file2)
57 test ${c1} != ${c2} || echo "file1 and file2 should not match"
59 echo "Compare against check files"
60 cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"
62 echo "Make the original file almost dedup-able"
63 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
64 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file2 >> $seqres.full
65 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file2.chk >> $seqres.full
66 _dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
69 md5sum $testdir/file1 | _filter_test_dir
70 md5sum $testdir/file2 | _filter_test_dir
71 md5sum $testdir/file2.chk | _filter_test_dir
73 c1=$(_md5_checksum $testdir/file1)
74 c2=$(_md5_checksum $testdir/file2)
76 test ${c1} != ${c2} || echo "file1 and file2 should not match"
78 echo "Compare against check files"
79 cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"
81 echo "Make the original file dedup-able"
82 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
83 _pwrite_byte 0x61 0 $((blksz * 257)) $testdir/file2 >> $seqres.full
84 _pwrite_byte 0x61 0 $((blksz * 257)) $testdir/file2.chk >> $seqres.full
85 _dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
88 md5sum $testdir/file1 | _filter_test_dir
89 md5sum $testdir/file2 | _filter_test_dir
90 md5sum $testdir/file2.chk | _filter_test_dir
92 c1=$(_md5_checksum $testdir/file1)
93 c2=$(_md5_checksum $testdir/file2)
95 test ${c1} = ${c2} || echo "file1 and file2 should match"
97 echo "Compare against check files"
98 cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"