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1 | ## |
2 | # DBM::Deep Test |
3 | ## |
4 | use strict; |
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5 | use Test::More tests => 32; |
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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 | my $db = DBM::Deep->new( file => $filename, fh => $fh, ); |
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12 | |
13 | ## |
14 | # put/get simple keys |
15 | ## |
16 | $db->{key1} = "value1"; |
17 | $db->{key2} = "value2"; |
18 | |
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19 | my @keys_1 = sort keys %$db; |
20 | |
21 | $db->{key3} = $db->{key1}; |
22 | |
23 | my @keys_2 = sort keys %$db; |
24 | is( @keys_2 + 0, @keys_1 + 1, "Correct number of keys" ); |
25 | is_deeply( |
26 | [ @keys_1, 'key3' ], |
27 | [ @keys_2 ], |
28 | "Keys still match after circular reference is added", |
29 | ); |
30 | |
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31 | $db->{key4} = { 'foo' => 'bar' }; |
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32 | $db->{key5} = $db->{key4}; |
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33 | $db->{key6} = $db->{key5}; |
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34 | |
35 | my @keys_3 = sort keys %$db; |
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36 | |
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37 | is( @keys_3 + 0, @keys_2 + 3, "Correct number of keys" ); |
38 | is_deeply( |
39 | [ @keys_2, 'key4', 'key5', 'key6', ], |
40 | [ @keys_3 ], |
41 | "Keys still match after circular reference is added (@keys_3)", |
42 | ); |
43 | |
44 | ## |
45 | # Insert circular reference |
46 | ## |
47 | $db->{circle} = $db; |
48 | |
49 | my @keys_4 = sort keys %$db; |
50 | |
51 | is( @keys_4 + 0, @keys_3 + 1, "Correct number of keys" ); |
52 | is_deeply( |
53 | [ 'circle', @keys_3 ], |
54 | [ @keys_4 ], |
55 | "Keys still match after circular reference is added", |
56 | ); |
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57 | |
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58 | ## |
59 | # Make sure keys exist in both places |
60 | ## |
61 | is( $db->{key1}, 'value1', "The value is there directly" ); |
62 | is( $db->{circle}{key1}, 'value1', "The value is there in one loop of the circle" ); |
63 | is( $db->{circle}{circle}{key1}, 'value1', "The value is there in two loops of the circle" ); |
64 | is( $db->{circle}{circle}{circle}{key1}, 'value1', "The value is there in three loops of the circle" ); |
65 | |
66 | ## |
67 | # Make sure changes are reflected in both places |
68 | ## |
69 | $db->{key1} = "another value"; |
70 | |
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71 | isnt( $db->{key3}, 'another value', "Simple scalars are copied by value" ); |
72 | |
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73 | is( $db->{key1}, 'another value', "The value is there directly" ); |
74 | is( $db->{circle}{key1}, 'another value', "The value is there in one loop of the circle" ); |
75 | is( $db->{circle}{circle}{key1}, 'another value', "The value is there in two loops of the circle" ); |
76 | is( $db->{circle}{circle}{circle}{key1}, 'another value', "The value is there in three loops of the circle" ); |
77 | |
78 | $db->{circle}{circle}{circle}{circle}{key1} = "circles"; |
79 | |
80 | is( $db->{key1}, 'circles', "The value is there directly" ); |
81 | is( $db->{circle}{key1}, 'circles', "The value is there in one loop of the circle" ); |
82 | is( $db->{circle}{circle}{key1}, 'circles', "The value is there in two loops of the circle" ); |
83 | is( $db->{circle}{circle}{circle}{key1}, 'circles', "The value is there in three loops of the circle" ); |
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84 | |
85 | is( $db->{key4}{foo}, 'bar' ); |
86 | is( $db->{key5}{foo}, 'bar' ); |
87 | is( $db->{key6}{foo}, 'bar' ); |
88 | |
89 | $db->{key4}{foo2} = 'bar2'; |
90 | is( $db->{key4}{foo2}, 'bar2' ); |
91 | is( $db->{key5}{foo2}, 'bar2' ); |
92 | is( $db->{key6}{foo2}, 'bar2' ); |
93 | |
94 | $db->{key4}{foo3} = 'bar3'; |
95 | is( $db->{key4}{foo3}, 'bar3' ); |
96 | is( $db->{key5}{foo3}, 'bar3' ); |
97 | is( $db->{key6}{foo3}, 'bar3' ); |
98 | |
99 | $db->{key4}{foo4} = 'bar4'; |
100 | is( $db->{key4}{foo4}, 'bar4' ); |
101 | is( $db->{key5}{foo4}, 'bar4' ); |
102 | is( $db->{key6}{foo4}, 'bar4' ); |
103 | |