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