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1 | ## |
2 | # DBM::Deep Test |
3 | ## |
4 | use strict; |
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5 | use Test::More tests => 90; |
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6 | use Test::Exception; |
7 | |
8 | use_ok( 'DBM::Deep' ); |
9 | |
10 | ## |
11 | # basic file open |
12 | ## |
13 | unlink "t/test.db"; |
14 | my $db = DBM::Deep->new( |
15 | file => "t/test.db", |
16 | type => DBM::Deep->TYPE_ARRAY |
17 | ); |
18 | if ($db->error()) { |
19 | die "ERROR: " . $db->error(); |
20 | } |
21 | |
22 | TODO: { |
23 | local $TODO = "How is this test ever supposed to pass?"; |
24 | ok( !$db->clear, "If the file has never been written to, clear() returns false" ); |
25 | } |
26 | |
27 | ## |
28 | # basic put/get/push |
29 | ## |
30 | $db->[0] = "elem1"; |
31 | $db->push( "elem2" ); |
32 | $db->put(2, "elem3"); |
33 | $db->store(3, "elem4"); |
34 | $db->unshift("elem0"); |
35 | |
36 | is( $db->[0], 'elem0', "Array get for shift works" ); |
37 | is( $db->[1], 'elem1', "Array get for array set works" ); |
38 | is( $db->[2], 'elem2', "Array get for push() works" ); |
39 | is( $db->[3], 'elem3', "Array get for put() works" ); |
40 | is( $db->[4], 'elem4', "Array get for store() works" ); |
41 | |
42 | is( $db->get(0), 'elem0', "get() for shift() works" ); |
43 | is( $db->get(1), 'elem1', "get() for array set works" ); |
44 | is( $db->get(2), 'elem2', "get() for push() works" ); |
45 | is( $db->get(3), 'elem3', "get() for put() works" ); |
46 | is( $db->get(4), 'elem4', "get() for store() works" ); |
47 | |
48 | is( $db->fetch(0), 'elem0', "fetch() for shift() works" ); |
49 | is( $db->fetch(1), 'elem1', "fetch() for array set works" ); |
50 | is( $db->fetch(2), 'elem2', "fetch() for push() works" ); |
51 | is( $db->fetch(3), 'elem3', "fetch() for put() works" ); |
52 | is( $db->fetch(4), 'elem4', "fetch() for store() works" ); |
53 | |
54 | is( $db->length, 5, "... and we have five elements" ); |
55 | |
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56 | is( $db->[-1], $db->[4], "-1st index is 4th index" ); |
57 | is( $db->[-2], $db->[3], "-2nd index is 3rd index" ); |
58 | is( $db->[-3], $db->[2], "-3rd index is 2nd index" ); |
59 | is( $db->[-4], $db->[1], "-4th index is 1st index" ); |
60 | is( $db->[-5], $db->[0], "-5th index is 0th index" ); |
61 | is( $db->[-6], undef, "-6th index is undef" ); |
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62 | is( $db->length, 5, "... and we have five elements after abortive -6 index lookup" ); |
63 | |
64 | my $popped = $db->pop; |
65 | is( $db->length, 4, "... and we have four after popping" ); |
66 | is( $db->[0], 'elem0', "0th element still there after popping" ); |
67 | is( $db->[1], 'elem1', "1st element still there after popping" ); |
68 | is( $db->[2], 'elem2', "2nd element still there after popping" ); |
69 | is( $db->[3], 'elem3', "3rd element still there after popping" ); |
70 | is( $popped, 'elem4', "Popped value is correct" ); |
71 | |
72 | my $shifted = $db->shift; |
73 | is( $db->length, 3, "... and we have three after shifting" ); |
74 | is( $db->[0], 'elem1', "0th element still there after shifting" ); |
75 | is( $db->[1], 'elem2', "1st element still there after shifting" ); |
76 | is( $db->[2], 'elem3', "2nd element still there after shifting" ); |
77 | is( $shifted, 'elem0', "Shifted value is correct" ); |
78 | |
79 | ## |
80 | # delete |
81 | ## |
82 | my $deleted = $db->delete(0); |
83 | is( $db->length, 3, "... and we still have three after deleting" ); |
84 | is( $db->[0], undef, "0th element now undef" ); |
85 | is( $db->[1], 'elem2', "1st element still there after deleting" ); |
86 | is( $db->[2], 'elem3', "2nd element still there after deleting" ); |
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87 | is( $deleted, 'elem1', "Deleted value is correct" ); |
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88 | |
89 | is( $db->delete(99), undef, 'delete on an element not in the array returns undef' ); |
90 | is( $db->length, 3, "... and we still have three after a delete on an out-of-range index" ); |
91 | |
92 | is( delete $db->[99], undef, 'DELETE on an element not in the array returns undef' ); |
93 | is( $db->length, 3, "... and we still have three after a DELETE on an out-of-range index" ); |
94 | |
95 | is( $db->delete(-99), undef, 'delete on an element (neg) not in the array returns undef' ); |
96 | is( $db->length, 3, "... and we still have three after a DELETE on an out-of-range negative index" ); |
97 | |
98 | is( delete $db->[-99], undef, 'DELETE on an element (neg) not in the array returns undef' ); |
99 | is( $db->length, 3, "... and we still have three after a DELETE on an out-of-range negative index" ); |
100 | |
101 | $deleted = $db->delete(-2); |
102 | is( $db->length, 3, "... and we still have three after deleting" ); |
103 | is( $db->[0], undef, "0th element still undef" ); |
104 | TODO: { |
105 | local $TODO = "delete on a negative array element should work"; |
106 | is( $db->[1], undef, "1st element now undef" ); |
107 | } |
108 | is( $db->[2], 'elem3', "2nd element still there after deleting" ); |
109 | TODO: { |
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110 | local $TODO = "delete on a negative array element should return the deleted value"; |
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111 | is( $deleted, 'elem2', "Deleted value is correct" ); |
112 | } |
113 | |
114 | $db->[1] = 'elem2'; |
115 | |
116 | ## |
117 | # exists |
118 | ## |
119 | ok( $db->exists(1), "The 1st value exists" ); |
120 | ok( !$db->exists(0), "The 0th value doesn't exists" ); |
121 | ok( !$db->exists(22), "The 22nd value doesn't exists" ); |
122 | TODO: { |
123 | local $TODO = "exists on negative values should work"; |
124 | ok( $db->exists(-1), "The -1st value does exists" ); |
125 | } |
126 | ok( !$db->exists(-22), "The -22nd value doesn't exists" ); |
127 | |
128 | ## |
129 | # clear |
130 | ## |
131 | ok( $db->clear(), "clear() returns true if the file was ever non-empty" ); |
132 | is( $db->length(), 0, "After clear(), no more elements" ); |
133 | |
134 | is( $db->pop, undef, "pop on an empty array returns undef" ); |
135 | is( $db->length(), 0, "After pop() on empty array, length is still 0" ); |
136 | |
137 | is( $db->shift, undef, "shift on an empty array returns undef" ); |
138 | is( $db->length(), 0, "After shift() on empty array, length is still 0" ); |
139 | |
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140 | is( $db->unshift( 1, 2, 3 ), 3, "unshift returns the number of elements in the array" ); |
141 | is( $db->unshift( 1, 2, 3 ), 6, "unshift returns the number of elements in the array" ); |
142 | is( $db->push( 1, 2, 3 ), 9, "push returns the number of elements in the array" ); |
143 | |
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144 | is( $db->length(), 9, "After unshift and push on empty array, length is now 9" ); |
145 | |
146 | $db->clear; |
147 | |
148 | ## |
149 | # multi-push |
150 | ## |
151 | $db->push( 'elem first', "elem middle", "elem last" ); |
152 | is( $db->length, 3, "3-element push results in three elements" ); |
153 | is($db->[0], "elem first", "First element is 'elem first'"); |
154 | is($db->[1], "elem middle", "Second element is 'elem middle'"); |
155 | is($db->[2], "elem last", "Third element is 'elem last'"); |
156 | |
157 | ## |
158 | # splice with length 1 |
159 | ## |
160 | $db->splice( 1, 1, "middle A", "middle B" ); |
161 | is($db->length(), 4); |
162 | is($db->[0], "elem first"); |
163 | is($db->[1], "middle A"); |
164 | is($db->[2], "middle B"); |
165 | is($db->[3], "elem last"); |
166 | |
167 | ## |
168 | # splice with length of 0 |
169 | ## |
170 | $db->splice( -1, 0, "middle C" ); |
171 | is($db->length(), 5); |
172 | is($db->[0], "elem first"); |
173 | is($db->[1], "middle A"); |
174 | is($db->[2], "middle B"); |
175 | is($db->[3], "middle C"); |
176 | is($db->[4], "elem last"); |
177 | |
178 | ## |
179 | # splice with length of 3 |
180 | ## |
181 | $db->splice( 1, 3, "middle ABC" ); |
182 | is($db->length(), 3); |
183 | is($db->[0], "elem first"); |
184 | is($db->[1], "middle ABC"); |
185 | is($db->[2], "elem last"); |
186 | |
187 | # These tests verify that the hash methods cannot be called on arraytypes. |
188 | # They will be removed once the ARRAY and HASH types are refactored into their own classes. |
189 | |
190 | $db->[0] = [ 1 .. 3 ]; |
191 | $db->[1] = { a => 'foo' }; |
192 | is( $db->[0]->length, 3, "Reuse of same space with array successful" ); |
193 | is( $db->[1]->fetch('a'), 'foo', "Reuse of same space with hash successful" ); |