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1 | ## |
2 | # DBM::Deep Test |
3 | ## |
4 | use strict; |
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5 | use Test::More tests => 3; |
6 | use File::Temp qw( tempfile tempdir ); |
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7 | use Fcntl qw( :flock ); |
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8 | |
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9 | use_ok( 'DBM::Deep' ); |
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10 | |
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11 | my $dir = tempdir( CLEANUP => 1 ); |
12 | my ($fh, $filename) = tempfile( 'tmpXXXX', UNLINK => 1, DIR => $dir ); |
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13 | flock $fh, LOCK_UN; |
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14 | |
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15 | my $max_levels = 1000; |
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16 | |
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17 | { |
18 | my $db = DBM::Deep->new( |
19 | file => $filename, |
20 | type => DBM::Deep->TYPE_ARRAY, |
21 | ); |
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22 | |
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23 | $db->[0] = []; |
24 | my $temp_db = $db->[0]; |
25 | for my $k ( 0 .. $max_levels ) { |
26 | $temp_db->[$k] = []; |
27 | $temp_db = $temp_db->[$k]; |
28 | } |
29 | $temp_db->[0] = "deepvalue"; |
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30 | } |
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31 | |
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32 | { |
33 | my $db = DBM::Deep->new( |
34 | file => $filename, |
35 | type => DBM::Deep->TYPE_ARRAY, |
36 | ); |
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37 | |
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38 | my $cur_level = -1; |
39 | my $temp_db = $db->[0]; |
40 | for my $k ( 0 .. $max_levels ) { |
41 | $cur_level = $k; |
42 | $temp_db = $temp_db->[$k]; |
43 | eval { $temp_db->isa( 'DBM::Deep' ) } or last; |
44 | } |
45 | is( $cur_level, $max_levels, "We read all the way down to level $cur_level" ); |
46 | is( $temp_db->[0], "deepvalue", "And we retrieved the value at the bottom of the ocean" ); |
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47 | } |