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->();
24 $db->store(3, "elem4");
26 $db->unshift("elem0");
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" );
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" );
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" );
47 is( $db->length, 5, "... and we have five elements" );
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" );
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" ); }
58 is( $db->length, 5, "... and we have five elements after abortive -6 index lookup" );
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' );
67 $db->[-6] = 'whoops!';
68 } qr/Modification of non-creatable array value attempted, subscript -6/, "Correct error thrown";
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" );
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" );
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" );
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" );
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" );
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" );
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" );
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" );
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" );
129 ok( $db->clear(), "clear() returns true if the file was ever non-empty" );
130 is( $db->length(), 0, "After clear(), no more elements" );
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" );
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" );
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" );
142 is( $db->length(), 9, "After unshift and push on empty array, length is now 9" );
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'");
156 # splice with length 1
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");
168 # splice with length of 0
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");
180 # splice with length of 3
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");
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");
195 $db->push( @returned );
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");
203 @returned = $db->splice;
204 is( $db->length, 0 );
205 is( $returned[0], "elem first" );
206 is( $returned[1], "elem last" );
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" );
213 # Test autovivification
214 $db->[9999]{bar} = 1;
216 cmp_ok( $db->[9999]{bar}, '==', 1 );
221 } qr/Cannot use 'foo' as an array index/, "FETCH fails on an illegal key";
225 } qr/Cannot use an undefined array index/, "FETCH fails on an undefined key";
228 $db->store( 'foo', 'bar' );
229 } qr/Cannot use 'foo' as an array index/, "STORE fails on an illegal key";
233 } qr/Cannot use an undefined array index/, "STORE fails on an undefined key";
236 $db->delete( 'foo' );
237 } qr/Cannot use 'foo' as an array index/, "DELETE fails on an illegal key";
241 } qr/Cannot use an undefined array index/, "DELETE fails on an undefined key";
244 $db->exists( 'foo' );
245 } qr/Cannot use 'foo' as an array index/, "EXISTS fails on an illegal key";
249 } qr/Cannot use an undefined array index/, "EXISTS fails on an undefined key";
253 # Bug reported by Mike Schilli
254 # Also, RT #29583 reported by HANENKAMP
255 $dbm_factory = new_dbm( type => DBM::Deep->TYPE_ARRAY );
256 while ( my $dbm_maker = $dbm_factory->() ) {
257 my $db = $dbm_maker->();
259 push @{$db}, 3, { foo => 1 };
262 } "Shift doesn't die moving references around";
263 is( $db->[0]{foo}, 1, "Right hashref there" );
266 unshift @{$db}, [ 1 .. 3, [ 1 .. 3 ] ];
268 } "Unshift doesn't die moving references around";
269 is( $db->[1][3][1], 2, "Right arrayref there" );
270 is( $db->[2]{foo}, 1, "Right hashref there" );
272 # Add test for splice moving references around
274 splice @{$db}, 0, 0, 1 .. 3;
275 } "Splice doesn't die moving references around";
276 is( $db->[4][3][1], 2, "Right arrayref there" );
277 is( $db->[5]{foo}, 1, "Right hashref there" );