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58710c0b |
1 | #!/usr/bin/env perl |
2 | use strict; |
3 | use warnings; |
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4 | use lib 't/lib'; |
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5 | use Test::More; |
6 | use Test::Fatal; |
7 | use Test::Requires 'Test::LeakTrace'; |
8 | |
9 | use Package::Stash; |
10 | use Symbol; |
11 | |
12 | { |
13 | package Bar; |
14 | } |
15 | |
16 | { |
17 | package Baz; |
18 | our $foo; |
19 | sub bar { } |
20 | use constant baz => 1; |
21 | our %quux = (a => 'b'); |
22 | } |
23 | |
24 | { |
25 | no_leaks_ok { |
26 | Package::Stash->new('Foo'); |
27 | } "object construction doesn't leak"; |
28 | } |
29 | |
30 | { |
31 | no_leaks_ok { |
32 | Package::Stash->new('Bar'); |
33 | } "object construction doesn't leak, with an existing package"; |
34 | } |
35 | |
36 | { |
37 | no_leaks_ok { |
38 | Package::Stash->new('Baz'); |
39 | } "object construction doesn't leak, with an existing package with things in it"; |
40 | } |
41 | |
42 | { |
43 | my $foo = Package::Stash->new('Foo'); |
44 | no_leaks_ok { |
45 | $foo->name; |
46 | $foo->namespace; |
47 | } "accessors don't leak"; |
48 | } |
49 | |
50 | { |
51 | my $foo = Package::Stash->new('Foo'); |
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52 | no_leaks_ok { |
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53 | $foo->add_symbol('$scalar'); |
54 | $foo->add_symbol('@array'); |
55 | $foo->add_symbol('%hash'); |
56 | $foo->add_symbol('io'); |
57 | } "add_symbol doesn't leak"; |
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58 | } |
59 | |
60 | { |
61 | my $foo = Package::Stash->new('Foo'); |
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62 | no_leaks_ok { |
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63 | $foo->add_symbol('$scalar_init' => 1); |
64 | $foo->add_symbol('@array_init' => []); |
65 | $foo->add_symbol('%hash_init' => {}); |
66 | $foo->add_symbol('&code_init' => sub { "foo" }); |
67 | $foo->add_symbol('io_init' => Symbol::geniosym); |
68 | } "add_symbol doesn't leak"; |
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69 | is(exception { |
70 | is(Foo->code_init, 'foo', "sub installed correctly") |
71 | }, undef, "code_init exists"); |
72 | } |
73 | |
74 | { |
75 | my $foo = Package::Stash->new('Foo'); |
76 | no_leaks_ok { |
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77 | $foo->remove_symbol('$scalar_init'); |
78 | $foo->remove_symbol('@array_init'); |
79 | $foo->remove_symbol('%hash_init'); |
80 | $foo->remove_symbol('&code_init'); |
81 | $foo->remove_symbol('io_init'); |
82 | } "remove_symbol doesn't leak"; |
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83 | } |
84 | |
85 | { |
86 | my $foo = Package::Stash->new('Foo'); |
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87 | $foo->add_symbol("${_}glob") for ('$', '@', '%', '&', ''); |
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88 | no_leaks_ok { |
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89 | $foo->remove_glob('glob'); |
90 | } "remove_glob doesn't leak"; |
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91 | } |
92 | |
93 | { |
94 | my $foo = Package::Stash->new('Foo'); |
95 | no_leaks_ok { |
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96 | $foo->has_symbol('io'); |
97 | $foo->has_symbol('%hash'); |
98 | $foo->has_symbol('@array_init'); |
99 | $foo->has_symbol('$glob'); |
100 | $foo->has_symbol('&something_else'); |
101 | } "has_symbol doesn't leak"; |
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102 | } |
103 | |
104 | { |
105 | my $foo = Package::Stash->new('Foo'); |
106 | no_leaks_ok { |
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107 | $foo->get_symbol('io'); |
108 | $foo->get_symbol('%hash'); |
109 | $foo->get_symbol('@array_init'); |
110 | $foo->get_symbol('$glob'); |
111 | $foo->get_symbol('&something_else'); |
112 | } "get_symbol doesn't leak"; |
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113 | } |
114 | |
115 | { |
116 | my $foo = Package::Stash->new('Foo'); |
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117 | ok(!$foo->has_symbol('$glob')); |
118 | ok(!$foo->has_symbol('@array_init')); |
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119 | no_leaks_ok { |
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120 | $foo->get_or_add_symbol('io'); |
121 | $foo->get_or_add_symbol('%hash'); |
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122 | my @super = ('Exporter'); |
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123 | @{$foo->get_or_add_symbol('@ISA')} = @super; |
124 | $foo->get_or_add_symbol('$glob'); |
125 | } "get_or_add_symbol doesn't leak"; |
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126 | { local $TODO = $] < 5.010 ? "undef scalars aren't visible on 5.8" : undef; |
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127 | ok($foo->has_symbol('$glob')); |
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128 | } |
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129 | is(ref($foo->get_symbol('$glob')), 'SCALAR'); |
130 | ok($foo->has_symbol('@ISA')); |
131 | is(ref($foo->get_symbol('@ISA')), 'ARRAY'); |
132 | is_deeply($foo->get_symbol('@ISA'), ['Exporter']); |
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133 | isa_ok('Foo', 'Exporter'); |
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134 | } |
135 | |
136 | { |
137 | my $foo = Package::Stash->new('Foo'); |
138 | my $baz = Package::Stash->new('Baz'); |
139 | no_leaks_ok { |
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140 | $foo->list_all_symbols; |
141 | $foo->list_all_symbols('SCALAR'); |
142 | $foo->list_all_symbols('CODE'); |
143 | $baz->list_all_symbols('CODE'); |
144 | } "list_all_symbols doesn't leak"; |
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145 | } |
146 | |
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147 | { |
148 | package Blah; |
149 | use constant 'baz'; |
150 | } |
151 | |
152 | { |
153 | my $foo = Package::Stash->new('Foo'); |
154 | my $blah = Package::Stash->new('Blah'); |
155 | no_leaks_ok { |
156 | $foo->get_all_symbols; |
157 | $foo->get_all_symbols('SCALAR'); |
158 | $foo->get_all_symbols('CODE'); |
159 | $blah->get_all_symbols('CODE'); |
160 | } "list_all_symbols doesn't leak"; |
161 | } |
162 | |
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163 | # mimic CMOP::create_anon_class |
164 | { |
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165 | local $TODO = $] < 5.010 ? "deleting stashes is inherently leaky on 5.8" |
166 | : undef; |
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167 | my $i = 0; |
168 | no_leaks_ok { |
169 | $i++; |
170 | eval "package Quux$i; 1;"; |
171 | my $quux = Package::Stash->new("Quux$i"); |
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172 | $quux->get_or_add_symbol('@ISA'); |
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173 | delete $::{'Quux' . $i . '::'}; |
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174 | } "get_symbol doesn't leak during glob expansion"; |
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175 | } |
176 | |
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177 | { |
178 | my $foo = Package::Stash->new('Foo'); |
179 | no_leaks_ok { |
180 | eval { $foo->get_or_add_symbol('&blorg') }; |
181 | } "doesn't leak on errors"; |
182 | } |
183 | |
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184 | done_testing; |