2 use warnings FATAL => 'all';
6 use t::common qw( new_dbm );
10 my $dbm_factory = new_dbm( type => DBM::Deep->TYPE_ARRAY );
11 while ( my $dbm_maker = $dbm_factory->() ) {
12 my $db = $dbm_maker->();
20 $db->store(3, "elem4");
21 $db->unshift("elem0");
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" );
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" );
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" );
41 is( $db->length, 5, "... and we have five elements" );
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" );
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" ); }
52 is( $db->length, 5, "... and we have five elements after abortive -6 index lookup" );
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' );
61 $db->[-6] = 'whoops!';
62 } qr/Modification of non-creatable array value attempted, subscript -6/, "Correct error thrown";
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" );
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" );
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" );
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" );
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" );
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" );
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" );
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" );
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" );
123 ok( $db->clear(), "clear() returns true if the file was ever non-empty" );
124 is( $db->length(), 0, "After clear(), no more elements" );
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" );
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" );
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" );
136 is( $db->length(), 9, "After unshift and push on empty array, length is now 9" );
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'");
150 # splice with length 1
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");
162 # splice with length of 0
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");
174 # splice with length of 3
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");
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");
189 $db->push( @returned );
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");
197 @returned = $db->splice;
198 is( $db->length, 0 );
199 is( $returned[0], "elem first" );
200 is( $returned[1], "elem last" );
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" );
207 # Test autovivification
208 $db->[9999]{bar} = 1;
210 cmp_ok( $db->[9999]{bar}, '==', 1 );
215 } qr/Cannot use 'foo' as an array index/, "FETCH fails on an illegal key";
219 } qr/Cannot use an undefined array index/, "FETCH fails on an undefined key";
222 $db->store( 'foo', 'bar' );
223 } qr/Cannot use 'foo' as an array index/, "STORE fails on an illegal key";
227 } qr/Cannot use an undefined array index/, "STORE fails on an undefined key";
230 $db->delete( 'foo' );
231 } qr/Cannot use 'foo' as an array index/, "DELETE fails on an illegal key";
235 } qr/Cannot use an undefined array index/, "DELETE fails on an undefined key";
238 $db->exists( 'foo' );
239 } qr/Cannot use 'foo' as an array index/, "EXISTS fails on an illegal key";
243 } qr/Cannot use an undefined array index/, "EXISTS fails on an undefined key";
247 # Bug reported by Mike Schilli
248 # Also, RT #29583 reported by HANENKAMP
249 $dbm_factory = new_dbm( type => DBM::Deep->TYPE_ARRAY );
250 while ( my $dbm_maker = $dbm_factory->() ) {
251 my $db = $dbm_maker->();
253 push @{$db}, 3, { foo => 1 };
256 } "Shift doesn't die moving references around";
257 is( $db->[0]{foo}, 1, "Right hashref there" );
260 unshift @{$db}, [ 1 .. 3, [ 1 .. 3 ] ];
262 } "Unshift doesn't die moving references around";
263 is( $db->[1][3][1], 2, "Right arrayref there" );
264 is( $db->[2]{foo}, 1, "Right hashref there" );
266 # Add test for splice moving references around
268 splice @{$db}, 0, 0, 1 .. 3;
269 } "Splice doesn't die moving references around";
270 is( $db->[4][3][1], 2, "Right arrayref there" );
271 is( $db->[5]{foo}, 1, "Right hashref there" );