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1 | use strict; |
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2 | use warnings FATAL => 'all'; |
3 | |
4 | use Test::More; |
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5 | use Test::Exception; |
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6 | use t::common qw( new_dbm ); |
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7 | |
8 | use_ok( 'DBM::Deep' ); |
9 | |
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10 | my $dbm_factory = new_dbm( type => DBM::Deep->TYPE_ARRAY ); |
11 | while ( my $dbm_maker = $dbm_factory->() ) { |
12 | my $db = $dbm_maker->(); |
13 | |
14 | ## |
15 | # basic put/get/push |
16 | ## |
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17 | warn "1\n"; |
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18 | $db->[0] = "elem1"; |
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19 | warn "2\n"; |
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20 | $db->push( "elem2" ); |
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21 | warn "3\n"; |
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22 | $db->put(2, "elem3"); |
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23 | warn "4\n"; |
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24 | $db->store(3, "elem4"); |
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25 | warn "5\n"; |
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26 | $db->unshift("elem0"); |
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27 | warn "6\n"; |
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28 | |
29 | is( $db->[0], 'elem0', "Array get for shift works" ); |
30 | is( $db->[1], 'elem1', "Array get for array set works" ); |
31 | is( $db->[2], 'elem2', "Array get for push() works" ); |
32 | is( $db->[3], 'elem3', "Array get for put() works" ); |
33 | is( $db->[4], 'elem4', "Array get for store() works" ); |
34 | |
35 | is( $db->get(0), 'elem0', "get() for shift() works" ); |
36 | is( $db->get(1), 'elem1', "get() for array set works" ); |
37 | is( $db->get(2), 'elem2', "get() for push() works" ); |
38 | is( $db->get(3), 'elem3', "get() for put() works" ); |
39 | is( $db->get(4), 'elem4', "get() for store() works" ); |
40 | |
41 | is( $db->fetch(0), 'elem0', "fetch() for shift() works" ); |
42 | is( $db->fetch(1), 'elem1', "fetch() for array set works" ); |
43 | is( $db->fetch(2), 'elem2', "fetch() for push() works" ); |
44 | is( $db->fetch(3), 'elem3', "fetch() for put() works" ); |
45 | is( $db->fetch(4), 'elem4', "fetch() for store() works" ); |
46 | |
47 | is( $db->length, 5, "... and we have five elements" ); |
48 | |
49 | is( $db->[-1], $db->[4], "-1st index is 4th index" ); |
50 | is( $db->[-2], $db->[3], "-2nd index is 3rd index" ); |
51 | is( $db->[-3], $db->[2], "-3rd index is 2nd index" ); |
52 | is( $db->[-4], $db->[1], "-4th index is 1st index" ); |
53 | is( $db->[-5], $db->[0], "-5th index is 0th index" ); |
54 | |
55 | # This is for Perls older than 5.8.0 because of is()'s prototype |
56 | { my $v = $db->[-6]; is( $v, undef, "-6th index is undef" ); } |
57 | |
58 | is( $db->length, 5, "... and we have five elements after abortive -6 index lookup" ); |
59 | |
60 | $db->[-1] = 'elem4.1'; |
61 | is( $db->[-1], 'elem4.1' ); |
62 | is( $db->[4], 'elem4.1' ); |
63 | is( $db->get(4), 'elem4.1' ); |
64 | is( $db->fetch(4), 'elem4.1' ); |
65 | |
66 | throws_ok { |
67 | $db->[-6] = 'whoops!'; |
68 | } qr/Modification of non-creatable array value attempted, subscript -6/, "Correct error thrown"; |
69 | |
70 | my $popped = $db->pop; |
71 | is( $db->length, 4, "... and we have four after popping" ); |
72 | is( $db->[0], 'elem0', "0th element still there after popping" ); |
73 | is( $db->[1], 'elem1', "1st element still there after popping" ); |
74 | is( $db->[2], 'elem2', "2nd element still there after popping" ); |
75 | is( $db->[3], 'elem3', "3rd element still there after popping" ); |
76 | is( $popped, 'elem4.1', "Popped value is correct" ); |
77 | |
78 | my $shifted = $db->shift; |
79 | is( $db->length, 3, "... and we have three after shifting" ); |
80 | is( $db->[0], 'elem1', "0th element still there after shifting" ); |
81 | is( $db->[1], 'elem2', "1st element still there after shifting" ); |
82 | is( $db->[2], 'elem3', "2nd element still there after shifting" ); |
83 | is( $db->[3], undef, "There is no third element now" ); |
84 | is( $shifted, 'elem0', "Shifted value is correct" ); |
85 | |
86 | ## |
87 | # delete |
88 | ## |
89 | my $deleted = $db->delete(0); |
90 | is( $db->length, 3, "... and we still have three after deleting" ); |
91 | is( $db->[0], undef, "0th element now undef" ); |
92 | is( $db->[1], 'elem2', "1st element still there after deleting" ); |
93 | is( $db->[2], 'elem3', "2nd element still there after deleting" ); |
94 | is( $deleted, 'elem1', "Deleted value is correct" ); |
95 | |
96 | is( $db->delete(99), undef, 'delete on an element not in the array returns undef' ); |
97 | is( $db->length, 3, "... and we still have three after a delete on an out-of-range index" ); |
98 | |
99 | is( delete $db->[99], undef, 'DELETE on an element not in the array returns undef' ); |
100 | is( $db->length, 3, "... and we still have three after a DELETE on an out-of-range index" ); |
101 | |
102 | is( $db->delete(-99), undef, 'delete on an element (neg) not in the array returns undef' ); |
103 | is( $db->length, 3, "... and we still have three after a DELETE on an out-of-range negative index" ); |
104 | |
105 | is( delete $db->[-99], undef, 'DELETE on an element (neg) not in the array returns undef' ); |
106 | is( $db->length, 3, "... and we still have three after a DELETE on an out-of-range negative index" ); |
107 | |
108 | $deleted = $db->delete(-2); |
109 | is( $db->length, 3, "... and we still have three after deleting" ); |
110 | is( $db->[0], undef, "0th element still undef" ); |
111 | is( $db->[1], undef, "1st element now undef" ); |
112 | is( $db->[2], 'elem3', "2nd element still there after deleting" ); |
113 | is( $deleted, 'elem2', "Deleted value is correct" ); |
114 | |
115 | $db->[1] = 'elem2'; |
116 | |
117 | ## |
118 | # exists |
119 | ## |
120 | ok( $db->exists(1), "The 1st value exists" ); |
121 | ok( $db->exists(0), "The 0th value doesn't exist" ); |
122 | ok( !$db->exists(22), "The 22nd value doesn't exists" ); |
123 | ok( $db->exists(-1), "The -1st value does exists" ); |
124 | ok( !$db->exists(-22), "The -22nd value doesn't exists" ); |
125 | |
126 | ## |
127 | # clear |
128 | ## |
129 | ok( $db->clear(), "clear() returns true if the file was ever non-empty" ); |
130 | is( $db->length(), 0, "After clear(), no more elements" ); |
131 | |
132 | is( $db->pop, undef, "pop on an empty array returns undef" ); |
133 | is( $db->length(), 0, "After pop() on empty array, length is still 0" ); |
134 | |
135 | is( $db->shift, undef, "shift on an empty array returns undef" ); |
136 | is( $db->length(), 0, "After shift() on empty array, length is still 0" ); |
137 | |
138 | is( $db->unshift( 1, 2, 3 ), 3, "unshift returns the number of elements in the array" ); |
139 | is( $db->unshift( 1, 2, 3 ), 6, "unshift returns the number of elements in the array" ); |
140 | is( $db->push( 1, 2, 3 ), 9, "push returns the number of elements in the array" ); |
141 | |
142 | is( $db->length(), 9, "After unshift and push on empty array, length is now 9" ); |
143 | |
144 | $db->clear; |
145 | |
146 | ## |
147 | # multi-push |
148 | ## |
149 | $db->push( 'elem first', "elem middle", "elem last" ); |
150 | is( $db->length, 3, "3-element push results in three elements" ); |
151 | is($db->[0], "elem first", "First element is 'elem first'"); |
152 | is($db->[1], "elem middle", "Second element is 'elem middle'"); |
153 | is($db->[2], "elem last", "Third element is 'elem last'"); |
154 | |
155 | ## |
156 | # splice with length 1 |
157 | ## |
158 | my @returned = $db->splice( 1, 1, "middle A", "middle B" ); |
159 | is( scalar(@returned), 1, "One element was removed" ); |
160 | is( $returned[0], 'elem middle', "... and it was correctly removed" ); |
161 | is($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 | @returned = $db->splice( -1, 0, "middle C" ); |
171 | is( scalar(@returned), 0, "No elements were removed" ); |
172 | is($db->length(), 5); |
173 | is($db->[0], "elem first"); |
174 | is($db->[1], "middle A"); |
175 | is($db->[2], "middle B"); |
176 | is($db->[3], "middle C"); |
177 | is($db->[4], "elem last"); |
178 | |
179 | ## |
180 | # splice with length of 3 |
181 | ## |
182 | my $returned = $db->splice( 1, 3, "middle ABC" ); |
183 | is( $returned, 'middle C', "Just the last element was returned" ); |
184 | is($db->length(), 3); |
185 | is($db->[0], "elem first"); |
186 | is($db->[1], "middle ABC"); |
187 | is($db->[2], "elem last"); |
188 | |
189 | @returned = $db->splice( 1 ); |
190 | is($db->length(), 1); |
191 | is($db->[0], "elem first"); |
192 | is($returned[0], "middle ABC"); |
193 | is($returned[1], "elem last"); |
194 | |
195 | $db->push( @returned ); |
196 | |
197 | @returned = $db->splice( 1, -1 ); |
198 | is($db->length(), 2); |
199 | is($db->[0], "elem first"); |
200 | is($db->[1], "elem last"); |
201 | is($returned[0], "middle ABC"); |
202 | |
203 | @returned = $db->splice; |
204 | is( $db->length, 0 ); |
205 | is( $returned[0], "elem first" ); |
206 | is( $returned[1], "elem last" ); |
207 | |
208 | $db->[0] = [ 1 .. 3 ]; |
209 | $db->[1] = { a => 'foo' }; |
210 | is( $db->[0]->length, 3, "Reuse of same space with array successful" ); |
211 | is( $db->[1]->fetch('a'), 'foo', "Reuse of same space with hash successful" ); |
212 | |
213 | # Test autovivification |
214 | $db->[9999]{bar} = 1; |
215 | ok( $db->[9999] ); |
216 | cmp_ok( $db->[9999]{bar}, '==', 1 ); |
217 | |
218 | # Test failures |
219 | throws_ok { |
220 | $db->fetch( 'foo' ); |
221 | } qr/Cannot use 'foo' as an array index/, "FETCH fails on an illegal key"; |
222 | |
223 | throws_ok { |
224 | $db->fetch(); |
225 | } qr/Cannot use an undefined array index/, "FETCH fails on an undefined key"; |
226 | |
227 | throws_ok { |
228 | $db->store( 'foo', 'bar' ); |
229 | } qr/Cannot use 'foo' as an array index/, "STORE fails on an illegal key"; |
230 | |
231 | throws_ok { |
232 | $db->store(); |
233 | } qr/Cannot use an undefined array index/, "STORE fails on an undefined key"; |
234 | |
235 | throws_ok { |
236 | $db->delete( 'foo' ); |
237 | } qr/Cannot use 'foo' as an array index/, "DELETE fails on an illegal key"; |
238 | |
239 | throws_ok { |
240 | $db->delete(); |
241 | } qr/Cannot use an undefined array index/, "DELETE fails on an undefined key"; |
242 | |
243 | throws_ok { |
244 | $db->exists( 'foo' ); |
245 | } qr/Cannot use 'foo' as an array index/, "EXISTS fails on an illegal key"; |
246 | |
247 | throws_ok { |
248 | $db->exists(); |
249 | } qr/Cannot use an undefined array index/, "EXISTS fails on an undefined key"; |
250 | } |
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251 | done_testing; |
252 | __END__ |
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253 | # Bug reported by Mike Schilli |
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254 | # Also, RT #29583 reported by HANENKAMP |
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255 | $dbm_factory = new_dbm( type => DBM::Deep->TYPE_ARRAY ); |
256 | while ( my $dbm_maker = $dbm_factory->() ) { |
257 | my $db = $dbm_maker->(); |
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258 | |
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259 | push @{$db}, 3, { foo => 1 }; |
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260 | lives_ok { |
261 | shift @{$db}; |
262 | } "Shift doesn't die moving references around"; |
263 | is( $db->[0]{foo}, 1, "Right hashref there" ); |
264 | |
265 | lives_ok { |
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266 | unshift @{$db}, [ 1 .. 3, [ 1 .. 3 ] ]; |
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267 | unshift @{$db}, 1; |
268 | } "Unshift doesn't die moving references around"; |
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269 | is( $db->[1][3][1], 2, "Right arrayref there" ); |
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270 | is( $db->[2]{foo}, 1, "Right hashref there" ); |
271 | |
272 | # Add test for splice moving references around |
273 | lives_ok { |
274 | splice @{$db}, 0, 0, 1 .. 3; |
275 | } "Splice doesn't die moving references around"; |
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276 | is( $db->[4][3][1], 2, "Right arrayref there" ); |
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277 | is( $db->[5]{foo}, 1, "Right hashref there" ); |
278 | } |
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279 | |
280 | done_testing; |