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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 | ## |
17 | $db->[0] = "elem1"; |
18 | $db->push( "elem2" ); |
19 | $db->put(2, "elem3"); |
20 | $db->store(3, "elem4"); |
21 | $db->unshift("elem0"); |
22 | |
23 | is( $db->[0], 'elem0', "Array get for shift works" ); |
24 | is( $db->[1], 'elem1', "Array get for array set works" ); |
25 | is( $db->[2], 'elem2', "Array get for push() works" ); |
26 | is( $db->[3], 'elem3', "Array get for put() works" ); |
27 | is( $db->[4], 'elem4', "Array get for store() works" ); |
28 | |
29 | is( $db->get(0), 'elem0', "get() for shift() works" ); |
30 | is( $db->get(1), 'elem1', "get() for array set works" ); |
31 | is( $db->get(2), 'elem2', "get() for push() works" ); |
32 | is( $db->get(3), 'elem3', "get() for put() works" ); |
33 | is( $db->get(4), 'elem4', "get() for store() works" ); |
34 | |
35 | is( $db->fetch(0), 'elem0', "fetch() for shift() works" ); |
36 | is( $db->fetch(1), 'elem1', "fetch() for array set works" ); |
37 | is( $db->fetch(2), 'elem2', "fetch() for push() works" ); |
38 | is( $db->fetch(3), 'elem3', "fetch() for put() works" ); |
39 | is( $db->fetch(4), 'elem4', "fetch() for store() works" ); |
40 | |
41 | is( $db->length, 5, "... and we have five elements" ); |
42 | |
43 | is( $db->[-1], $db->[4], "-1st index is 4th index" ); |
44 | is( $db->[-2], $db->[3], "-2nd index is 3rd index" ); |
45 | is( $db->[-3], $db->[2], "-3rd index is 2nd index" ); |
46 | is( $db->[-4], $db->[1], "-4th index is 1st index" ); |
47 | is( $db->[-5], $db->[0], "-5th index is 0th index" ); |
48 | |
49 | # This is for Perls older than 5.8.0 because of is()'s prototype |
50 | { my $v = $db->[-6]; is( $v, undef, "-6th index is undef" ); } |
51 | |
52 | is( $db->length, 5, "... and we have five elements after abortive -6 index lookup" ); |
53 | |
54 | $db->[-1] = 'elem4.1'; |
55 | is( $db->[-1], 'elem4.1' ); |
56 | is( $db->[4], 'elem4.1' ); |
57 | is( $db->get(4), 'elem4.1' ); |
58 | is( $db->fetch(4), 'elem4.1' ); |
59 | |
60 | throws_ok { |
61 | $db->[-6] = 'whoops!'; |
62 | } qr/Modification of non-creatable array value attempted, subscript -6/, "Correct error thrown"; |
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, 'elem4.1', "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( $db->[3], undef, "There is no third element now" ); |
78 | is( $shifted, 'elem0', "Shifted value is correct" ); |
79 | |
80 | ## |
81 | # delete |
82 | ## |
83 | my $deleted = $db->delete(0); |
84 | is( $db->length, 3, "... and we still have three after deleting" ); |
85 | is( $db->[0], undef, "0th element now undef" ); |
86 | is( $db->[1], 'elem2', "1st element still there after deleting" ); |
87 | is( $db->[2], 'elem3', "2nd element still there after deleting" ); |
88 | is( $deleted, 'elem1', "Deleted value is correct" ); |
89 | |
90 | is( $db->delete(99), undef, 'delete on an element not in the array returns undef' ); |
91 | is( $db->length, 3, "... and we still have three after a delete on an out-of-range index" ); |
92 | |
93 | is( delete $db->[99], undef, 'DELETE on an element not in the array returns undef' ); |
94 | is( $db->length, 3, "... and we still have three after a DELETE on an out-of-range index" ); |
95 | |
96 | is( $db->delete(-99), undef, 'delete on an element (neg) not in the array returns undef' ); |
97 | is( $db->length, 3, "... and we still have three after a DELETE on an out-of-range negative index" ); |
98 | |
99 | is( delete $db->[-99], undef, 'DELETE on an element (neg) not in the array returns undef' ); |
100 | is( $db->length, 3, "... and we still have three after a DELETE on an out-of-range negative index" ); |
101 | |
102 | $deleted = $db->delete(-2); |
103 | is( $db->length, 3, "... and we still have three after deleting" ); |
104 | is( $db->[0], undef, "0th element still undef" ); |
105 | is( $db->[1], undef, "1st element now undef" ); |
106 | is( $db->[2], 'elem3', "2nd element still there after deleting" ); |
107 | is( $deleted, 'elem2', "Deleted value is correct" ); |
108 | |
109 | $db->[1] = 'elem2'; |
110 | |
111 | ## |
112 | # exists |
113 | ## |
114 | ok( $db->exists(1), "The 1st value exists" ); |
115 | ok( $db->exists(0), "The 0th value doesn't exist" ); |
116 | ok( !$db->exists(22), "The 22nd value doesn't exists" ); |
117 | ok( $db->exists(-1), "The -1st value does exists" ); |
118 | ok( !$db->exists(-22), "The -22nd value doesn't exists" ); |
119 | |
120 | ## |
121 | # clear |
122 | ## |
123 | ok( $db->clear(), "clear() returns true if the file was ever non-empty" ); |
124 | is( $db->length(), 0, "After clear(), no more elements" ); |
125 | |
126 | is( $db->pop, undef, "pop on an empty array returns undef" ); |
127 | is( $db->length(), 0, "After pop() on empty array, length is still 0" ); |
128 | |
129 | is( $db->shift, undef, "shift on an empty array returns undef" ); |
130 | is( $db->length(), 0, "After shift() on empty array, length is still 0" ); |
131 | |
132 | is( $db->unshift( 1, 2, 3 ), 3, "unshift returns the number of elements in the array" ); |
133 | is( $db->unshift( 1, 2, 3 ), 6, "unshift returns the number of elements in the array" ); |
134 | is( $db->push( 1, 2, 3 ), 9, "push returns the number of elements in the array" ); |
135 | |
136 | is( $db->length(), 9, "After unshift and push on empty array, length is now 9" ); |
137 | |
138 | $db->clear; |
139 | |
140 | ## |
141 | # multi-push |
142 | ## |
143 | $db->push( 'elem first', "elem middle", "elem last" ); |
144 | is( $db->length, 3, "3-element push results in three elements" ); |
145 | is($db->[0], "elem first", "First element is 'elem first'"); |
146 | is($db->[1], "elem middle", "Second element is 'elem middle'"); |
147 | is($db->[2], "elem last", "Third element is 'elem last'"); |
148 | |
149 | ## |
150 | # splice with length 1 |
151 | ## |
152 | my @returned = $db->splice( 1, 1, "middle A", "middle B" ); |
153 | is( scalar(@returned), 1, "One element was removed" ); |
154 | is( $returned[0], 'elem middle', "... and it was correctly removed" ); |
155 | is($db->length(), 4); |
156 | is($db->[0], "elem first"); |
157 | is($db->[1], "middle A"); |
158 | is($db->[2], "middle B"); |
159 | is($db->[3], "elem last"); |
160 | |
161 | ## |
162 | # splice with length of 0 |
163 | ## |
164 | @returned = $db->splice( -1, 0, "middle C" ); |
165 | is( scalar(@returned), 0, "No elements were removed" ); |
166 | is($db->length(), 5); |
167 | is($db->[0], "elem first"); |
168 | is($db->[1], "middle A"); |
169 | is($db->[2], "middle B"); |
170 | is($db->[3], "middle C"); |
171 | is($db->[4], "elem last"); |
172 | |
173 | ## |
174 | # splice with length of 3 |
175 | ## |
176 | my $returned = $db->splice( 1, 3, "middle ABC" ); |
177 | is( $returned, 'middle C', "Just the last element was returned" ); |
178 | is($db->length(), 3); |
179 | is($db->[0], "elem first"); |
180 | is($db->[1], "middle ABC"); |
181 | is($db->[2], "elem last"); |
182 | |
183 | @returned = $db->splice( 1 ); |
184 | is($db->length(), 1); |
185 | is($db->[0], "elem first"); |
186 | is($returned[0], "middle ABC"); |
187 | is($returned[1], "elem last"); |
188 | |
189 | $db->push( @returned ); |
190 | |
191 | @returned = $db->splice( 1, -1 ); |
192 | is($db->length(), 2); |
193 | is($db->[0], "elem first"); |
194 | is($db->[1], "elem last"); |
195 | is($returned[0], "middle ABC"); |
196 | |
197 | @returned = $db->splice; |
198 | is( $db->length, 0 ); |
199 | is( $returned[0], "elem first" ); |
200 | is( $returned[1], "elem last" ); |
201 | |
202 | $db->[0] = [ 1 .. 3 ]; |
203 | $db->[1] = { a => 'foo' }; |
204 | is( $db->[0]->length, 3, "Reuse of same space with array successful" ); |
205 | is( $db->[1]->fetch('a'), 'foo', "Reuse of same space with hash successful" ); |
206 | |
207 | # Test autovivification |
208 | $db->[9999]{bar} = 1; |
209 | ok( $db->[9999] ); |
210 | cmp_ok( $db->[9999]{bar}, '==', 1 ); |
211 | |
212 | # Test failures |
213 | throws_ok { |
214 | $db->fetch( 'foo' ); |
215 | } qr/Cannot use 'foo' as an array index/, "FETCH fails on an illegal key"; |
216 | |
217 | throws_ok { |
218 | $db->fetch(); |
219 | } qr/Cannot use an undefined array index/, "FETCH fails on an undefined key"; |
220 | |
221 | throws_ok { |
222 | $db->store( 'foo', 'bar' ); |
223 | } qr/Cannot use 'foo' as an array index/, "STORE fails on an illegal key"; |
224 | |
225 | throws_ok { |
226 | $db->store(); |
227 | } qr/Cannot use an undefined array index/, "STORE fails on an undefined key"; |
228 | |
229 | throws_ok { |
230 | $db->delete( 'foo' ); |
231 | } qr/Cannot use 'foo' as an array index/, "DELETE fails on an illegal key"; |
232 | |
233 | throws_ok { |
234 | $db->delete(); |
235 | } qr/Cannot use an undefined array index/, "DELETE fails on an undefined key"; |
236 | |
237 | throws_ok { |
238 | $db->exists( 'foo' ); |
239 | } qr/Cannot use 'foo' as an array index/, "EXISTS fails on an illegal key"; |
240 | |
241 | throws_ok { |
242 | $db->exists(); |
243 | } qr/Cannot use an undefined array index/, "EXISTS fails on an undefined key"; |
244 | } |
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245 | done_testing; |
246 | __END__ |
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247 | # Bug reported by Mike Schilli |
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248 | # Also, RT #29583 reported by HANENKAMP |
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249 | $dbm_factory = new_dbm( type => DBM::Deep->TYPE_ARRAY ); |
250 | while ( my $dbm_maker = $dbm_factory->() ) { |
251 | my $db = $dbm_maker->(); |
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252 | |
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253 | push @{$db}, 3, { foo => 1 }; |
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254 | lives_ok { |
255 | shift @{$db}; |
256 | } "Shift doesn't die moving references around"; |
257 | is( $db->[0]{foo}, 1, "Right hashref there" ); |
258 | |
259 | lives_ok { |
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260 | unshift @{$db}, [ 1 .. 3, [ 1 .. 3 ] ]; |
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261 | unshift @{$db}, 1; |
262 | } "Unshift doesn't die moving references around"; |
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263 | is( $db->[1][3][1], 2, "Right arrayref there" ); |
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264 | is( $db->[2]{foo}, 1, "Right hashref there" ); |
265 | |
266 | # Add test for splice moving references around |
267 | lives_ok { |
268 | splice @{$db}, 0, 0, 1 .. 3; |
269 | } "Splice doesn't die moving references around"; |
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270 | is( $db->[4][3][1], 2, "Right arrayref there" ); |
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271 | is( $db->[5]{foo}, 1, "Right hashref there" ); |
272 | } |
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273 | |
274 | done_testing; |