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.* $testdir
27 # get standard environment, filters and checks
32 # real QA test starts here
37 testdir=$TEST_DIR/test-$seq
41 echo "Create the original files"
43 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
44 _pwrite_byte 0x62 0 $((blksz * 257)) $testdir/file2 >> $seqres.full
45 _pwrite_byte 0x62 0 $((blksz * 257)) $testdir/file2.chk >> $seqres.full
46 _dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
49 md5sum $testdir/file1 | _filter_test_dir
50 md5sum $testdir/file2 | _filter_test_dir
51 md5sum $testdir/file2.chk | _filter_test_dir
53 c1=$(_md5_checksum $testdir/file1)
54 c2=$(_md5_checksum $testdir/file2)
56 test ${c1} != ${c2} || echo "file1 and file2 should not match"
58 echo "Compare against check files"
59 cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"
61 echo "Make the original file almost dedup-able"
62 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
63 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file2 >> $seqres.full
64 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file2.chk >> $seqres.full
65 _dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
68 md5sum $testdir/file1 | _filter_test_dir
69 md5sum $testdir/file2 | _filter_test_dir
70 md5sum $testdir/file2.chk | _filter_test_dir
72 c1=$(_md5_checksum $testdir/file1)
73 c2=$(_md5_checksum $testdir/file2)
75 test ${c1} != ${c2} || echo "file1 and file2 should not match"
77 echo "Compare against check files"
78 cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"
80 echo "Make the original file dedup-able"
81 _pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
82 _pwrite_byte 0x61 0 $((blksz * 257)) $testdir/file2 >> $seqres.full
83 _pwrite_byte 0x61 0 $((blksz * 257)) $testdir/file2.chk >> $seqres.full
84 _dedupe_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
87 md5sum $testdir/file1 | _filter_test_dir
88 md5sum $testdir/file2 | _filter_test_dir
89 md5sum $testdir/file2.chk | _filter_test_dir
91 c1=$(_md5_checksum $testdir/file1)
92 c2=$(_md5_checksum $testdir/file2)
94 test ${c1} = ${c2} || echo "file1 and file2 should match"
96 echo "Compare against check files"
97 cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"