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1 | ## |
2 | # DBM::Deep Test |
3 | ## |
4 | use strict; |
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5 | use Test::More tests => 5; |
6 | use File::Temp qw( tempfile tempdir ); |
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7 | use Fcntl qw( :flock ); |
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8 | |
9 | use_ok( 'DBM::Deep' ); |
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_HASH, |
21 | ); |
22 | |
23 | ## |
24 | # basic deep hash |
25 | ## |
26 | $db->{company} = {}; |
27 | $db->{company}->{name} = "My Co."; |
28 | $db->{company}->{employees} = {}; |
29 | $db->{company}->{employees}->{"Henry Higgins"} = {}; |
30 | $db->{company}->{employees}->{"Henry Higgins"}->{salary} = 90000; |
31 | |
32 | is( $db->{company}->{name}, "My Co.", "Set and retrieved a second-level value" ); |
33 | is( $db->{company}->{employees}->{"Henry Higgins"}->{salary}, 90000, "Set and retrieved a fourth-level value" ); |
34 | |
35 | ## |
36 | # super deep hash |
37 | ## |
38 | $db->{base_level} = {}; |
39 | my $temp_db = $db->{base_level}; |
40 | |
41 | for my $k ( 0 .. $max_levels ) { |
42 | $temp_db->{"level$k"} = {}; |
43 | $temp_db = $temp_db->{"level$k"}; |
44 | } |
45 | $temp_db->{deepkey} = "deepvalue"; |
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46 | } |
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47 | |
48 | { |
49 | my $db = DBM::Deep->new( |
50 | file => $filename, |
51 | type => DBM::Deep->TYPE_HASH, |
52 | ); |
53 | |
54 | my $cur_level = -1; |
55 | my $temp_db = $db->{base_level}; |
56 | for my $k ( 0 .. $max_levels ) { |
57 | $cur_level = $k; |
58 | $temp_db = $temp_db->{"level$k"}; |
59 | eval { $temp_db->isa( 'DBM::Deep' ) } or last; |
60 | } |
61 | is( $cur_level, $max_levels, "We read all the way down to level $cur_level" ); |
62 | is( $temp_db->{deepkey}, "deepvalue", "And we retrieved the value at the bottom of the ocean" ); |
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63 | } |