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9cfc97df |
1 | #!/usr/bin/env perl |
2 | use strict; |
3 | use warnings; |
c53d2df2 |
4 | use lib 't/lib'; |
9cfc97df |
5 | use Test::More; |
6 | use Test::Fatal; |
7 | use Test::Requires 'Test::LeakTrace'; |
8 | |
9 | BEGIN { $^P |= 0x210 } # PERLDBf_SUBLINE |
10 | |
11 | use Package::Stash; |
12 | use Symbol; |
13 | |
14 | { |
15 | package Bar; |
16 | } |
17 | |
18 | { |
19 | package Baz; |
20 | our $foo; |
21 | sub bar { } |
22 | use constant baz => 1; |
23 | our %quux = (a => 'b'); |
24 | } |
25 | |
26 | { |
27 | no_leaks_ok { |
28 | Package::Stash->new('Foo'); |
29 | } "object construction doesn't leak"; |
30 | } |
31 | |
32 | { |
33 | no_leaks_ok { |
34 | Package::Stash->new('Bar'); |
35 | } "object construction doesn't leak, with an existing package"; |
36 | } |
37 | |
38 | { |
39 | no_leaks_ok { |
40 | Package::Stash->new('Baz'); |
41 | } "object construction doesn't leak, with an existing package with things in it"; |
42 | } |
43 | |
44 | { |
45 | my $foo = Package::Stash->new('Foo'); |
46 | no_leaks_ok { |
47 | $foo->name; |
48 | $foo->namespace; |
49 | } "accessors don't leak"; |
50 | } |
51 | |
52 | { |
53 | my $foo = Package::Stash->new('Foo'); |
54 | no_leaks_ok { |
55 | $foo->add_symbol('$scalar'); |
56 | $foo->add_symbol('@array'); |
57 | $foo->add_symbol('%hash'); |
58 | $foo->add_symbol('io'); |
59 | } "add_symbol doesn't leak"; |
60 | } |
61 | |
62 | { |
63 | my $foo = Package::Stash->new('Foo'); |
64 | no_leaks_ok { |
65 | $foo->add_symbol('$scalar_init' => 1); |
66 | $foo->add_symbol('@array_init' => []); |
67 | $foo->add_symbol('%hash_init' => {}); |
68 | $foo->add_symbol('&code_init' => sub { "foo" }); |
69 | $foo->add_symbol('io_init' => Symbol::geniosym); |
70 | } "add_symbol doesn't leak"; |
71 | is(exception { |
72 | is(Foo->code_init, 'foo', "sub installed correctly") |
73 | }, undef, "code_init exists"); |
74 | } |
75 | |
76 | { |
77 | my $foo = Package::Stash->new('Foo'); |
78 | no_leaks_ok { |
79 | $foo->remove_symbol('$scalar_init'); |
80 | $foo->remove_symbol('@array_init'); |
81 | $foo->remove_symbol('%hash_init'); |
82 | $foo->remove_symbol('&code_init'); |
83 | $foo->remove_symbol('io_init'); |
84 | } "remove_symbol doesn't leak"; |
85 | } |
86 | |
87 | { |
88 | my $foo = Package::Stash->new('Foo'); |
89 | $foo->add_symbol("${_}glob") for ('$', '@', '%', '&', ''); |
90 | no_leaks_ok { |
91 | $foo->remove_glob('glob'); |
92 | } "remove_glob doesn't leak"; |
93 | } |
94 | |
95 | { |
96 | my $foo = Package::Stash->new('Foo'); |
97 | no_leaks_ok { |
98 | $foo->has_symbol('io'); |
99 | $foo->has_symbol('%hash'); |
100 | $foo->has_symbol('@array_init'); |
101 | $foo->has_symbol('$glob'); |
102 | $foo->has_symbol('&something_else'); |
103 | } "has_symbol doesn't leak"; |
104 | } |
105 | |
106 | { |
107 | my $foo = Package::Stash->new('Foo'); |
108 | no_leaks_ok { |
109 | $foo->get_symbol('io'); |
110 | $foo->get_symbol('%hash'); |
111 | $foo->get_symbol('@array_init'); |
112 | $foo->get_symbol('$glob'); |
113 | $foo->get_symbol('&something_else'); |
114 | } "get_symbol doesn't leak"; |
115 | } |
116 | |
117 | { |
118 | my $foo = Package::Stash->new('Foo'); |
119 | ok(!$foo->has_symbol('$glob')); |
120 | ok(!$foo->has_symbol('@array_init')); |
121 | no_leaks_ok { |
122 | $foo->get_or_add_symbol('io'); |
123 | $foo->get_or_add_symbol('%hash'); |
124 | my @super = ('Exporter'); |
125 | @{$foo->get_or_add_symbol('@ISA')} = @super; |
126 | $foo->get_or_add_symbol('$glob'); |
127 | } "get_or_add_symbol doesn't leak"; |
128 | { local $TODO = $] < 5.010 ? "undef scalars aren't visible on 5.8" : undef; |
129 | ok($foo->has_symbol('$glob')); |
130 | } |
131 | is(ref($foo->get_symbol('$glob')), 'SCALAR'); |
132 | ok($foo->has_symbol('@ISA')); |
133 | is(ref($foo->get_symbol('@ISA')), 'ARRAY'); |
134 | is_deeply($foo->get_symbol('@ISA'), ['Exporter']); |
135 | isa_ok('Foo', 'Exporter'); |
136 | } |
137 | |
138 | { |
139 | my $foo = Package::Stash->new('Foo'); |
140 | my $baz = Package::Stash->new('Baz'); |
141 | no_leaks_ok { |
142 | $foo->list_all_symbols; |
143 | $foo->list_all_symbols('SCALAR'); |
144 | $foo->list_all_symbols('CODE'); |
145 | $baz->list_all_symbols('CODE'); |
146 | } "list_all_symbols doesn't leak"; |
147 | } |
148 | |
149 | { |
150 | package Blah; |
151 | use constant 'baz'; |
152 | } |
153 | |
154 | { |
155 | my $foo = Package::Stash->new('Foo'); |
156 | my $blah = Package::Stash->new('Blah'); |
157 | no_leaks_ok { |
158 | $foo->get_all_symbols; |
159 | $foo->get_all_symbols('SCALAR'); |
160 | $foo->get_all_symbols('CODE'); |
161 | $blah->get_all_symbols('CODE'); |
162 | } "list_all_symbols doesn't leak"; |
163 | } |
164 | |
165 | # mimic CMOP::create_anon_class |
166 | { |
167 | local $TODO = $] < 5.010 ? "deleting stashes is inherently leaky on 5.8" |
168 | : undef; |
169 | my $i = 0; |
170 | no_leaks_ok { |
171 | $i++; |
172 | eval "package Quux$i; 1;"; |
173 | my $quux = Package::Stash->new("Quux$i"); |
174 | $quux->get_or_add_symbol('@ISA'); |
175 | delete $::{'Quux' . $i . '::'}; |
176 | } "get_symbol doesn't leak during glob expansion"; |
177 | } |
178 | |
179 | { |
180 | my $foo = Package::Stash->new('Foo'); |
181 | no_leaks_ok { |
182 | eval { $foo->get_or_add_symbol('&blorg') }; |
183 | } "doesn't leak on errors"; |
184 | } |
185 | |
186 | done_testing; |