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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 | |
8 | use_ok( 'DBM::Deep' ); |
9 | |
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10 | my $dir = tempdir( CLEANUP => 1 ); |
11 | my ($fh, $filename) = tempfile( 'tmpXXXX', UNLINK => 1, DIR => $dir ); |
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12 | |
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13 | my $max_levels = 1000; |
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14 | |
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15 | { |
16 | my $db = DBM::Deep->new( |
17 | file => $filename, |
18 | type => DBM::Deep->TYPE_HASH, |
19 | ); |
20 | |
21 | ## |
22 | # basic deep hash |
23 | ## |
24 | $db->{company} = {}; |
25 | $db->{company}->{name} = "My Co."; |
26 | $db->{company}->{employees} = {}; |
27 | $db->{company}->{employees}->{"Henry Higgins"} = {}; |
28 | $db->{company}->{employees}->{"Henry Higgins"}->{salary} = 90000; |
29 | |
30 | is( $db->{company}->{name}, "My Co.", "Set and retrieved a second-level value" ); |
31 | is( $db->{company}->{employees}->{"Henry Higgins"}->{salary}, 90000, "Set and retrieved a fourth-level value" ); |
32 | |
33 | ## |
34 | # super deep hash |
35 | ## |
36 | $db->{base_level} = {}; |
37 | my $temp_db = $db->{base_level}; |
38 | |
39 | for my $k ( 0 .. $max_levels ) { |
40 | $temp_db->{"level$k"} = {}; |
41 | $temp_db = $temp_db->{"level$k"}; |
42 | } |
43 | $temp_db->{deepkey} = "deepvalue"; |
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44 | } |
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45 | |
46 | { |
47 | my $db = DBM::Deep->new( |
48 | file => $filename, |
49 | type => DBM::Deep->TYPE_HASH, |
50 | ); |
51 | |
52 | my $cur_level = -1; |
53 | my $temp_db = $db->{base_level}; |
54 | for my $k ( 0 .. $max_levels ) { |
55 | $cur_level = $k; |
56 | $temp_db = $temp_db->{"level$k"}; |
57 | eval { $temp_db->isa( 'DBM::Deep' ) } or last; |
58 | } |
59 | is( $cur_level, $max_levels, "We read all the way down to level $cur_level" ); |
60 | is( $temp_db->{deepkey}, "deepvalue", "And we retrieved the value at the bottom of the ocean" ); |
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61 | } |