Commit | Line | Data |
---|---|---|
6b78add2 RGS |
1 | #!./perl |
2 | ||
3 | BEGIN { | |
4 | chdir 't' if -d 't'; | |
5 | @INC = qw(../lib); | |
6 | } | |
7 | ||
768fd157 | 8 | BEGIN { require "./test.pl"; } |
6b78add2 | 9 | |
03d9f026 | 10 | plan( tests => 57 ); |
6b78add2 RGS |
11 | |
12 | # Used to segfault (bug #15479) | |
d963bf01 | 13 | fresh_perl_like( |
6b78add2 | 14 | '%:: = ""', |
d963bf01 | 15 | qr/Odd number of elements in hash assignment at - line 1\./, |
6b78add2 RGS |
16 | { switches => [ '-w' ] }, |
17 | 'delete $::{STDERR} and print a warning', | |
18 | ); | |
b862623f RGS |
19 | |
20 | # Used to segfault | |
21 | fresh_perl_is( | |
22 | 'BEGIN { $::{"X::"} = 2 }', | |
23 | '', | |
24 | { switches => [ '-w' ] }, | |
25 | q(Insert a non-GV in a stash, under warnings 'once'), | |
26 | ); | |
adc51b97 | 27 | |
218fa151 FC |
28 | # Used to segfault, too |
29 | SKIP: { | |
30 | skip_if_miniperl('requires XS'); | |
799fd3b9 | 31 | fresh_perl_like( |
218fa151 | 32 | 'sub foo::bar{}; $mro::{get_mro}=*foo::bar; undef %foo::; require mro', |
799fd3b9 | 33 | qr/^Subroutine mro::get_mro redefined at /, |
218fa151 FC |
34 | { switches => [ '-w' ] }, |
35 | q(Defining an XSUB over an existing sub with no stash under warnings), | |
36 | ); | |
37 | } | |
38 | ||
d47e1c27 NC |
39 | { |
40 | no warnings 'deprecated'; | |
0cc522c3 NC |
41 | ok( defined %oedipa::maas::, q(stashes happen to be defined if not used) ); |
42 | ok( defined %{"oedipa::maas::"}, q(- work with hard refs too) ); | |
adc51b97 | 43 | |
d47e1c27 NC |
44 | ok( defined %tyrone::slothrop::, q(stashes are defined if seen at compile time) ); |
45 | ok( defined %{"tyrone::slothrop::"}, q(- work with hard refs too) ); | |
adc51b97 | 46 | |
d47e1c27 NC |
47 | ok( defined %bongo::shaftsbury::, q(stashes are defined if a var is seen at compile time) ); |
48 | ok( defined %{"bongo::shaftsbury::"}, q(- work with hard refs too) ); | |
49 | } | |
adc51b97 RGS |
50 | |
51 | package tyrone::slothrop; | |
52 | $bongo::shaftsbury::scalar = 1; | |
aec56d99 NC |
53 | |
54 | package main; | |
55 | ||
56 | # Used to warn | |
57 | # Unbalanced string table refcount: (1) for "A::" during global destruction. | |
58 | # for ithreads. | |
59 | { | |
60 | local $ENV{PERL_DESTRUCT_LEVEL} = 2; | |
61 | fresh_perl_is( | |
62 | 'package A; sub a { // }; %::=""', | |
63 | '', | |
64 | '', | |
65 | ); | |
66 | } | |
ce10b5d1 | 67 | |
d6069db2 RGS |
68 | # now tests in eval |
69 | ||
0cc522c3 NC |
70 | ok( eval { no warnings 'deprecated'; defined %achtfaden:: }, 'works in eval{}' ); |
71 | ok( eval q{ no warnings 'deprecated'; defined %schoenmaker:: }, 'works in eval("")' ); | |
d6069db2 | 72 | |
ce10b5d1 RGS |
73 | # now tests with strictures |
74 | ||
d018fae5 BM |
75 | { |
76 | use strict; | |
d47e1c27 | 77 | no warnings 'deprecated'; |
0cc522c3 | 78 | ok( defined %pig::, q(referencing a non-existent stash doesn't produce stricture errors) ); |
d018fae5 BM |
79 | ok( !exists $pig::{bodine}, q(referencing a non-existent stash element doesn't produce stricture errors) ); |
80 | } | |
81 | ||
82 | SKIP: { | |
1fda6ccf | 83 | eval { require B; 1 } or skip "no B", 29; |
d018fae5 BM |
84 | |
85 | *b = \&B::svref_2object; | |
86 | my $CVf_ANON = B::CVf_ANON(); | |
87 | ||
88 | my $sub = do { | |
89 | package one; | |
90 | \&{"one"}; | |
91 | }; | |
92 | delete $one::{one}; | |
93 | my $gv = b($sub)->GV; | |
94 | ||
bbce3ca6 | 95 | object_ok( $gv, "B::GV", "deleted stash entry leaves CV with valid GV"); |
d018fae5 BM |
96 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
97 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); | |
98 | is( eval { $gv->STASH->NAME }, "one", "...but leaves stash intact"); | |
99 | ||
100 | $sub = do { | |
101 | package two; | |
102 | \&{"two"}; | |
103 | }; | |
104 | %two:: = (); | |
105 | $gv = b($sub)->GV; | |
106 | ||
bbce3ca6 | 107 | object_ok( $gv, "B::GV", "cleared stash leaves CV with valid GV"); |
d018fae5 BM |
108 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
109 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); | |
2d0d1ecc | 110 | is( eval { $gv->STASH->NAME }, "two", "...but leaves stash intact"); |
d018fae5 BM |
111 | |
112 | $sub = do { | |
113 | package three; | |
114 | \&{"three"}; | |
115 | }; | |
116 | undef %three::; | |
117 | $gv = b($sub)->GV; | |
118 | ||
bbce3ca6 | 119 | object_ok( $gv, "B::GV", "undefed stash leaves CV with valid GV"); |
d018fae5 BM |
120 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
121 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); | |
122 | is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash"); | |
123 | ||
803f2748 DM |
124 | my $sub = do { |
125 | package four; | |
126 | sub { 1 }; | |
127 | }; | |
128 | %four:: = (); | |
129 | ||
130 | my $gv = B::svref_2object($sub)->GV; | |
131 | ok($gv->isa(q/B::GV/), "cleared stash leaves anon CV with valid GV"); | |
132 | ||
133 | my $st = eval { $gv->STASH->NAME }; | |
fecc7607 | 134 | is($st, q/four/, "...but leaves the stash intact"); |
803f2748 DM |
135 | |
136 | my $sub = do { | |
137 | package five; | |
138 | sub { 1 }; | |
139 | }; | |
140 | undef %five::; | |
141 | ||
142 | $gv = B::svref_2object($sub)->GV; | |
143 | ok($gv->isa(q/B::GV/), "undefed stash leaves anon CV with valid GV"); | |
144 | ||
145 | $st = eval { $gv->STASH->NAME }; | |
146 | { local $TODO = 'STASHES not anonymized'; | |
147 | is($st, q/__ANON__/, "...and an __ANON__ stash"); | |
d018fae5 | 148 | } |
803f2748 | 149 | |
57f45d7b FC |
150 | my $sub = do { |
151 | package six; | |
152 | \&{"six"} | |
153 | }; | |
154 | my $stash_glob = delete $::{"six::"}; | |
155 | # Now free the GV while the stash still exists (though detached) | |
156 | delete $$stash_glob{"six"}; | |
157 | $gv = B::svref_2object($sub)->GV; | |
158 | ok($gv->isa(q/B::GV/), | |
159 | 'anonymised CV whose stash is detached still has a GV'); | |
160 | is $gv->STASH->NAME, '__ANON__', | |
161 | 'CV anonymised when its stash is detached becomes __ANON__::__ANON__'; | |
162 | ||
803f2748 | 163 | # CvSTASH should be null on a named sub if the stash has been deleted |
4c74a7df DM |
164 | { |
165 | package FOO; | |
166 | sub foo {} | |
167 | my $rfoo = \&foo; | |
168 | package main; | |
169 | delete $::{'FOO::'}; | |
170 | my $cv = B::svref_2object($rfoo); | |
803f2748 | 171 | # (is there a better way of testing for NULL ?) |
4c74a7df DM |
172 | my $stash = $cv->STASH; |
173 | like($stash, qr/B::SPECIAL/, "NULL CvSTASH on named sub"); | |
174 | } | |
803f2748 DM |
175 | |
176 | # on glob reassignment, orphaned CV should have anon CvGV | |
177 | ||
178 | { | |
179 | my $r; | |
180 | eval q[ | |
181 | package FOO2; | |
182 | sub f{}; | |
183 | $r = \&f; | |
184 | *f = sub {}; | |
185 | ]; | |
186 | delete $FOO2::{f}; | |
187 | my $cv = B::svref_2object($r); | |
188 | my $gv = $cv->GV; | |
189 | ok($gv->isa(q/B::GV/), "orphaned CV has valid GV"); | |
190 | is($gv->NAME, '__ANON__', "orphaned CV has anon GV"); | |
191 | } | |
192 | ||
193 | # deleting __ANON__ glob shouldn't break things | |
194 | ||
195 | { | |
196 | package FOO3; | |
197 | sub named {}; | |
198 | my $anon = sub {}; | |
199 | my $named = eval q[\&named]; | |
200 | package main; | |
201 | delete $FOO3::{named}; # make named anonymous | |
202 | ||
203 | delete $FOO3::{__ANON__}; # whoops! | |
204 | my ($cv,$gv); | |
205 | $cv = B::svref_2object($named); | |
206 | $gv = $cv->GV; | |
207 | ok($gv->isa(q/B::GV/), "ex-named CV has valid GV"); | |
208 | is($gv->NAME, '__ANON__', "ex-named CV has anon GV"); | |
209 | ||
210 | $cv = B::svref_2object($anon); | |
211 | $gv = $cv->GV; | |
212 | ok($gv->isa(q/B::GV/), "anon CV has valid GV"); | |
213 | is($gv->NAME, '__ANON__', "anon CV has anon GV"); | |
214 | } | |
ce057ba8 NC |
215 | |
216 | { | |
217 | my $r; | |
218 | { | |
219 | package bloop; | |
220 | ||
221 | BEGIN { | |
222 | $r = \&main::whack; | |
223 | } | |
224 | } | |
225 | ||
226 | my $br = B::svref_2object($r); | |
227 | is ($br->STASH->NAME, 'bloop', | |
228 | 'stub records the package it was compiled in'); | |
229 | # Arguably this shouldn't quite be here, but it's easy to add it | |
230 | # here, and tricky to figure out a different good place for it. | |
231 | like ($br->FILE, qr/stash/i, | |
232 | 'stub records the file it was compiled in'); | |
233 | ||
234 | # We need to take this reference "late", after the subroutine is | |
235 | # defined. | |
236 | $br = B::svref_2object(eval 'sub whack {}; \&whack'); | |
237 | die $@ if $@; | |
238 | ||
239 | is ($br->STASH->NAME, 'main', | |
240 | 'definition overrides the package it was compiled in'); | |
241 | like ($br->FILE, qr/eval/, | |
242 | 'definition overrides the file it was compiled in'); | |
243 | } | |
d018fae5 | 244 | } |
cfc1e951 | 245 | |
53226d62 FC |
246 | # [perl #58530] |
247 | fresh_perl_is( | |
248 | 'sub foo { 1 }; use overload q/""/ => \&foo;' . | |
249 | 'delete $main::{foo}; bless []', | |
250 | "", | |
251 | {}, | |
252 | "no segfault with overload/deleted stash entry [#58530]", | |
253 | ); | |
254 | ||
cfc1e951 DM |
255 | # make sure having a sub called __ANON__ doesn't confuse perl. |
256 | ||
257 | { | |
258 | my $c; | |
259 | sub __ANON__ { $c = (caller(0))[3]; } | |
260 | __ANON__(); | |
261 | is ($c, 'main::__ANON__', '__ANON__ sub called ok'); | |
262 | } | |
78b79c77 | 263 | |
6116ba54 | 264 | |
78b79c77 FC |
265 | # Stashes that are effectively renamed |
266 | { | |
267 | package rile; | |
268 | ||
6116ba54 DM |
269 | use Config; |
270 | ||
78b79c77 FC |
271 | my $obj = bless []; |
272 | my $globref = \*tat; | |
273 | ||
274 | # effectively rename a stash | |
275 | *slin:: = *rile::; *rile:: = *zor::; | |
276 | ||
277 | ::is *$globref, "*rile::tat", | |
278 | 'globs stringify the same way when stashes are moved'; | |
279 | ::is ref $obj, "rile", | |
280 | 'ref() returns the same thing when an object’s stash is moved'; | |
281 | ::like "$obj", qr "^rile=ARRAY\(0x[\da-f]+\)\z", | |
282 | 'objects stringify the same way when their stashes are moved'; | |
2b2e8705 | 283 | ::is eval '__PACKAGE__', 'rile', |
1e35da33 | 284 | '__PACKAGE__ returns the same when the current stash is moved'; |
78b79c77 FC |
285 | |
286 | # Now detach it completely from the symtab, making it effect- | |
287 | # ively anonymous | |
288 | my $life_raft = \%slin::; | |
289 | *slin:: = *zor::; | |
290 | ||
291 | ::is *$globref, "*rile::tat", | |
292 | 'globs stringify the same way when stashes are detached'; | |
293 | ::is ref $obj, "rile", | |
294 | 'ref() returns the same thing when an object’s stash is detached'; | |
295 | ::like "$obj", qr "^rile=ARRAY\(0x[\da-f]+\)\z", | |
296 | 'objects stringify the same way when their stashes are detached'; | |
9343f4cf | 297 | ::is eval '__PACKAGE__', 'rile', |
1e35da33 | 298 | '__PACKAGE__ returns the same when the current stash is detached'; |
78b79c77 FC |
299 | } |
300 | ||
2d0d1ecc FC |
301 | # Setting the name during undef %stash:: should have no effect. |
302 | { | |
303 | my $glob = \*Phoo::glob; | |
304 | sub o::DESTROY { eval '++$Phoo::bar' } | |
305 | no strict 'refs'; | |
306 | ${"Phoo::thing1"} = bless [], "o"; | |
307 | undef %Phoo::; | |
308 | is "$$glob", "*__ANON__::glob", | |
309 | "setting stash name during undef has no effect"; | |
310 | } | |
78b79c77 | 311 | |
088225fd FC |
312 | # [perl #88134] incorrect package structure |
313 | { | |
314 | package Bear::; | |
315 | sub baz{1} | |
316 | package main; | |
317 | ok eval { Bear::::baz() }, | |
318 | 'packages ending with :: are self-consistent'; | |
319 | } | |
46c0ec20 FC |
320 | |
321 | # [perl #88138] ' not equivalent to :: before a null | |
322 | ${"a'\0b"} = "c"; | |
323 | is ${"a::\0b"}, "c", "' is equivalent to :: before a null"; | |
03d9f026 FC |
324 | |
325 | # [perl #101486] Clobbering the current package | |
326 | ok eval ' | |
327 | package Do; | |
328 | BEGIN { *Do:: = *Re:: } | |
329 | sub foo{}; | |
330 | 1 | |
331 | ', 'no crashing or errors when clobbering the current package'; |