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 | |
a420522d | 10 | plan( tests => 58 ); |
6b78add2 RGS |
11 | |
12 | # Used to segfault (bug #15479) | |
d963bf01 | 13 | fresh_perl_like( |
fdf38e49 | 14 | 'delete $::{STDERR}; my %a = ""', |
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( | |
fdf38e49 | 62 | 'package A::B; sub a { // }; %A::=""', |
aec56d99 | 63 | '', |
20e5bab4 | 64 | {}, |
aec56d99 | 65 | ); |
a420522d | 66 | # Variant of the above which creates an object that persists until global |
fdf38e49 NC |
67 | # destruction, and triggers an assertion failure prior to change |
68 | # a420522db95b7762 | |
a420522d | 69 | fresh_perl_is( |
fdf38e49 | 70 | 'use Exporter; package A; sub a { // }; delete $::{$_} for keys %::', |
a420522d | 71 | '', |
20e5bab4 | 72 | {}, |
a420522d | 73 | ); |
aec56d99 | 74 | } |
ce10b5d1 | 75 | |
d6069db2 RGS |
76 | # now tests in eval |
77 | ||
0cc522c3 NC |
78 | ok( eval { no warnings 'deprecated'; defined %achtfaden:: }, 'works in eval{}' ); |
79 | ok( eval q{ no warnings 'deprecated'; defined %schoenmaker:: }, 'works in eval("")' ); | |
d6069db2 | 80 | |
ce10b5d1 RGS |
81 | # now tests with strictures |
82 | ||
d018fae5 BM |
83 | { |
84 | use strict; | |
d47e1c27 | 85 | no warnings 'deprecated'; |
0cc522c3 | 86 | ok( defined %pig::, q(referencing a non-existent stash doesn't produce stricture errors) ); |
d018fae5 BM |
87 | ok( !exists $pig::{bodine}, q(referencing a non-existent stash element doesn't produce stricture errors) ); |
88 | } | |
89 | ||
90 | SKIP: { | |
1fda6ccf | 91 | eval { require B; 1 } or skip "no B", 29; |
d018fae5 BM |
92 | |
93 | *b = \&B::svref_2object; | |
94 | my $CVf_ANON = B::CVf_ANON(); | |
95 | ||
96 | my $sub = do { | |
97 | package one; | |
98 | \&{"one"}; | |
99 | }; | |
100 | delete $one::{one}; | |
101 | my $gv = b($sub)->GV; | |
102 | ||
bbce3ca6 | 103 | object_ok( $gv, "B::GV", "deleted stash entry leaves CV with valid GV"); |
d018fae5 BM |
104 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
105 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); | |
106 | is( eval { $gv->STASH->NAME }, "one", "...but leaves stash intact"); | |
107 | ||
108 | $sub = do { | |
109 | package two; | |
110 | \&{"two"}; | |
111 | }; | |
112 | %two:: = (); | |
113 | $gv = b($sub)->GV; | |
114 | ||
bbce3ca6 | 115 | object_ok( $gv, "B::GV", "cleared stash leaves CV with valid GV"); |
d018fae5 BM |
116 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
117 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); | |
2d0d1ecc | 118 | is( eval { $gv->STASH->NAME }, "two", "...but leaves stash intact"); |
d018fae5 BM |
119 | |
120 | $sub = do { | |
121 | package three; | |
122 | \&{"three"}; | |
123 | }; | |
124 | undef %three::; | |
125 | $gv = b($sub)->GV; | |
126 | ||
bbce3ca6 | 127 | object_ok( $gv, "B::GV", "undefed stash leaves CV with valid GV"); |
d018fae5 BM |
128 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
129 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); | |
130 | is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash"); | |
131 | ||
803f2748 DM |
132 | my $sub = do { |
133 | package four; | |
134 | sub { 1 }; | |
135 | }; | |
136 | %four:: = (); | |
137 | ||
138 | my $gv = B::svref_2object($sub)->GV; | |
139 | ok($gv->isa(q/B::GV/), "cleared stash leaves anon CV with valid GV"); | |
140 | ||
141 | my $st = eval { $gv->STASH->NAME }; | |
fecc7607 | 142 | is($st, q/four/, "...but leaves the stash intact"); |
803f2748 DM |
143 | |
144 | my $sub = do { | |
145 | package five; | |
146 | sub { 1 }; | |
147 | }; | |
148 | undef %five::; | |
149 | ||
150 | $gv = B::svref_2object($sub)->GV; | |
151 | ok($gv->isa(q/B::GV/), "undefed stash leaves anon CV with valid GV"); | |
152 | ||
153 | $st = eval { $gv->STASH->NAME }; | |
154 | { local $TODO = 'STASHES not anonymized'; | |
155 | is($st, q/__ANON__/, "...and an __ANON__ stash"); | |
d018fae5 | 156 | } |
803f2748 | 157 | |
57f45d7b FC |
158 | my $sub = do { |
159 | package six; | |
160 | \&{"six"} | |
161 | }; | |
162 | my $stash_glob = delete $::{"six::"}; | |
163 | # Now free the GV while the stash still exists (though detached) | |
164 | delete $$stash_glob{"six"}; | |
165 | $gv = B::svref_2object($sub)->GV; | |
166 | ok($gv->isa(q/B::GV/), | |
167 | 'anonymised CV whose stash is detached still has a GV'); | |
168 | is $gv->STASH->NAME, '__ANON__', | |
169 | 'CV anonymised when its stash is detached becomes __ANON__::__ANON__'; | |
170 | ||
803f2748 | 171 | # CvSTASH should be null on a named sub if the stash has been deleted |
4c74a7df DM |
172 | { |
173 | package FOO; | |
174 | sub foo {} | |
175 | my $rfoo = \&foo; | |
176 | package main; | |
177 | delete $::{'FOO::'}; | |
178 | my $cv = B::svref_2object($rfoo); | |
803f2748 | 179 | # (is there a better way of testing for NULL ?) |
4c74a7df DM |
180 | my $stash = $cv->STASH; |
181 | like($stash, qr/B::SPECIAL/, "NULL CvSTASH on named sub"); | |
182 | } | |
803f2748 DM |
183 | |
184 | # on glob reassignment, orphaned CV should have anon CvGV | |
185 | ||
186 | { | |
187 | my $r; | |
188 | eval q[ | |
189 | package FOO2; | |
190 | sub f{}; | |
191 | $r = \&f; | |
192 | *f = sub {}; | |
193 | ]; | |
194 | delete $FOO2::{f}; | |
195 | my $cv = B::svref_2object($r); | |
196 | my $gv = $cv->GV; | |
197 | ok($gv->isa(q/B::GV/), "orphaned CV has valid GV"); | |
198 | is($gv->NAME, '__ANON__', "orphaned CV has anon GV"); | |
199 | } | |
200 | ||
201 | # deleting __ANON__ glob shouldn't break things | |
202 | ||
203 | { | |
204 | package FOO3; | |
205 | sub named {}; | |
206 | my $anon = sub {}; | |
207 | my $named = eval q[\&named]; | |
208 | package main; | |
209 | delete $FOO3::{named}; # make named anonymous | |
210 | ||
211 | delete $FOO3::{__ANON__}; # whoops! | |
212 | my ($cv,$gv); | |
213 | $cv = B::svref_2object($named); | |
214 | $gv = $cv->GV; | |
215 | ok($gv->isa(q/B::GV/), "ex-named CV has valid GV"); | |
216 | is($gv->NAME, '__ANON__', "ex-named CV has anon GV"); | |
217 | ||
218 | $cv = B::svref_2object($anon); | |
219 | $gv = $cv->GV; | |
220 | ok($gv->isa(q/B::GV/), "anon CV has valid GV"); | |
221 | is($gv->NAME, '__ANON__', "anon CV has anon GV"); | |
222 | } | |
ce057ba8 NC |
223 | |
224 | { | |
225 | my $r; | |
226 | { | |
227 | package bloop; | |
228 | ||
229 | BEGIN { | |
230 | $r = \&main::whack; | |
231 | } | |
232 | } | |
233 | ||
234 | my $br = B::svref_2object($r); | |
235 | is ($br->STASH->NAME, 'bloop', | |
236 | 'stub records the package it was compiled in'); | |
237 | # Arguably this shouldn't quite be here, but it's easy to add it | |
238 | # here, and tricky to figure out a different good place for it. | |
239 | like ($br->FILE, qr/stash/i, | |
240 | 'stub records the file it was compiled in'); | |
241 | ||
242 | # We need to take this reference "late", after the subroutine is | |
243 | # defined. | |
244 | $br = B::svref_2object(eval 'sub whack {}; \&whack'); | |
245 | die $@ if $@; | |
246 | ||
247 | is ($br->STASH->NAME, 'main', | |
248 | 'definition overrides the package it was compiled in'); | |
249 | like ($br->FILE, qr/eval/, | |
250 | 'definition overrides the file it was compiled in'); | |
251 | } | |
d018fae5 | 252 | } |
cfc1e951 | 253 | |
53226d62 FC |
254 | # [perl #58530] |
255 | fresh_perl_is( | |
256 | 'sub foo { 1 }; use overload q/""/ => \&foo;' . | |
257 | 'delete $main::{foo}; bless []', | |
258 | "", | |
259 | {}, | |
260 | "no segfault with overload/deleted stash entry [#58530]", | |
261 | ); | |
262 | ||
cfc1e951 DM |
263 | # make sure having a sub called __ANON__ doesn't confuse perl. |
264 | ||
265 | { | |
266 | my $c; | |
267 | sub __ANON__ { $c = (caller(0))[3]; } | |
268 | __ANON__(); | |
269 | is ($c, 'main::__ANON__', '__ANON__ sub called ok'); | |
270 | } | |
78b79c77 | 271 | |
6116ba54 | 272 | |
78b79c77 FC |
273 | # Stashes that are effectively renamed |
274 | { | |
275 | package rile; | |
276 | ||
6116ba54 DM |
277 | use Config; |
278 | ||
78b79c77 FC |
279 | my $obj = bless []; |
280 | my $globref = \*tat; | |
281 | ||
282 | # effectively rename a stash | |
283 | *slin:: = *rile::; *rile:: = *zor::; | |
284 | ||
285 | ::is *$globref, "*rile::tat", | |
286 | 'globs stringify the same way when stashes are moved'; | |
287 | ::is ref $obj, "rile", | |
288 | 'ref() returns the same thing when an object’s stash is moved'; | |
289 | ::like "$obj", qr "^rile=ARRAY\(0x[\da-f]+\)\z", | |
290 | 'objects stringify the same way when their stashes are moved'; | |
2b2e8705 | 291 | ::is eval '__PACKAGE__', 'rile', |
1e35da33 | 292 | '__PACKAGE__ returns the same when the current stash is moved'; |
78b79c77 FC |
293 | |
294 | # Now detach it completely from the symtab, making it effect- | |
295 | # ively anonymous | |
296 | my $life_raft = \%slin::; | |
297 | *slin:: = *zor::; | |
298 | ||
299 | ::is *$globref, "*rile::tat", | |
300 | 'globs stringify the same way when stashes are detached'; | |
301 | ::is ref $obj, "rile", | |
302 | 'ref() returns the same thing when an object’s stash is detached'; | |
303 | ::like "$obj", qr "^rile=ARRAY\(0x[\da-f]+\)\z", | |
304 | 'objects stringify the same way when their stashes are detached'; | |
9343f4cf | 305 | ::is eval '__PACKAGE__', 'rile', |
1e35da33 | 306 | '__PACKAGE__ returns the same when the current stash is detached'; |
78b79c77 FC |
307 | } |
308 | ||
2d0d1ecc FC |
309 | # Setting the name during undef %stash:: should have no effect. |
310 | { | |
311 | my $glob = \*Phoo::glob; | |
312 | sub o::DESTROY { eval '++$Phoo::bar' } | |
313 | no strict 'refs'; | |
314 | ${"Phoo::thing1"} = bless [], "o"; | |
315 | undef %Phoo::; | |
316 | is "$$glob", "*__ANON__::glob", | |
317 | "setting stash name during undef has no effect"; | |
318 | } | |
78b79c77 | 319 | |
088225fd FC |
320 | # [perl #88134] incorrect package structure |
321 | { | |
322 | package Bear::; | |
323 | sub baz{1} | |
324 | package main; | |
325 | ok eval { Bear::::baz() }, | |
326 | 'packages ending with :: are self-consistent'; | |
327 | } | |
46c0ec20 FC |
328 | |
329 | # [perl #88138] ' not equivalent to :: before a null | |
330 | ${"a'\0b"} = "c"; | |
331 | is ${"a::\0b"}, "c", "' is equivalent to :: before a null"; | |
03d9f026 FC |
332 | |
333 | # [perl #101486] Clobbering the current package | |
334 | ok eval ' | |
335 | package Do; | |
336 | BEGIN { *Do:: = *Re:: } | |
337 | sub foo{}; | |
338 | 1 | |
339 | ', 'no crashing or errors when clobbering the current package'; |