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1 | ## |
2 | # DBM::Deep Test |
3 | ## |
4 | use strict; |
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5 | use Test::More tests => 5; |
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6 | use t::common qw( new_fh ); |
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7 | |
8 | use_ok( 'DBM::Deep' ); |
9 | |
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10 | my ($fh, $filename) = new_fh(); |
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11 | |
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12 | my $max_levels = 1000; |
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13 | |
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14 | { |
15 | my $db = DBM::Deep->new( |
16 | file => $filename, |
17 | type => DBM::Deep->TYPE_HASH, |
18 | ); |
19 | |
20 | ## |
21 | # basic deep hash |
22 | ## |
23 | $db->{company} = {}; |
24 | $db->{company}->{name} = "My Co."; |
25 | $db->{company}->{employees} = {}; |
26 | $db->{company}->{employees}->{"Henry Higgins"} = {}; |
27 | $db->{company}->{employees}->{"Henry Higgins"}->{salary} = 90000; |
28 | |
29 | is( $db->{company}->{name}, "My Co.", "Set and retrieved a second-level value" ); |
30 | is( $db->{company}->{employees}->{"Henry Higgins"}->{salary}, 90000, "Set and retrieved a fourth-level value" ); |
31 | |
32 | ## |
33 | # super deep hash |
34 | ## |
35 | $db->{base_level} = {}; |
36 | my $temp_db = $db->{base_level}; |
37 | |
38 | for my $k ( 0 .. $max_levels ) { |
39 | $temp_db->{"level$k"} = {}; |
40 | $temp_db = $temp_db->{"level$k"}; |
41 | } |
42 | $temp_db->{deepkey} = "deepvalue"; |
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43 | } |
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44 | |
45 | { |
46 | my $db = DBM::Deep->new( |
47 | file => $filename, |
48 | type => DBM::Deep->TYPE_HASH, |
49 | ); |
50 | |
51 | my $cur_level = -1; |
52 | my $temp_db = $db->{base_level}; |
53 | for my $k ( 0 .. $max_levels ) { |
54 | $cur_level = $k; |
55 | $temp_db = $temp_db->{"level$k"}; |
56 | eval { $temp_db->isa( 'DBM::Deep' ) } or last; |
57 | } |
58 | is( $cur_level, $max_levels, "We read all the way down to level $cur_level" ); |
59 | is( $temp_db->{deepkey}, "deepvalue", "And we retrieved the value at the bottom of the ocean" ); |
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60 | } |