Commit | Line | Data |
6b78add2 |
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 | |
ab9c4446 |
10 | plan( tests => 31 ); |
6b78add2 |
11 | |
12 | # Used to segfault (bug #15479) |
13 | fresh_perl_is( |
14 | '%:: = ""', |
15 | 'Odd number of elements in hash assignment at - line 1.', |
16 | { switches => [ '-w' ] }, |
17 | 'delete $::{STDERR} and print a warning', |
18 | ); |
b862623f |
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 | |
d47e1c27 |
28 | { |
29 | no warnings 'deprecated'; |
30 | ok( !defined %oedipa::maas::, q(stashes aren't defined if not used) ); |
31 | ok( !defined %{"oedipa::maas::"}, q(- work with hard refs too) ); |
adc51b97 |
32 | |
d47e1c27 |
33 | ok( defined %tyrone::slothrop::, q(stashes are defined if seen at compile time) ); |
34 | ok( defined %{"tyrone::slothrop::"}, q(- work with hard refs too) ); |
adc51b97 |
35 | |
d47e1c27 |
36 | ok( defined %bongo::shaftsbury::, q(stashes are defined if a var is seen at compile time) ); |
37 | ok( defined %{"bongo::shaftsbury::"}, q(- work with hard refs too) ); |
38 | } |
adc51b97 |
39 | |
40 | package tyrone::slothrop; |
41 | $bongo::shaftsbury::scalar = 1; |
aec56d99 |
42 | |
43 | package main; |
44 | |
45 | # Used to warn |
46 | # Unbalanced string table refcount: (1) for "A::" during global destruction. |
47 | # for ithreads. |
48 | { |
49 | local $ENV{PERL_DESTRUCT_LEVEL} = 2; |
50 | fresh_perl_is( |
51 | 'package A; sub a { // }; %::=""', |
52 | '', |
53 | '', |
54 | ); |
55 | } |
ce10b5d1 |
56 | |
d6069db2 |
57 | # now tests in eval |
58 | |
d47e1c27 |
59 | ok( !eval { no warnings 'deprecated'; defined %achtfaden:: }, 'works in eval{}' ); |
60 | ok( !eval q{ no warnings 'deprecated'; defined %schoenmaker:: }, 'works in eval("")' ); |
d6069db2 |
61 | |
ce10b5d1 |
62 | # now tests with strictures |
63 | |
d018fae5 |
64 | { |
65 | use strict; |
d47e1c27 |
66 | no warnings 'deprecated'; |
d018fae5 |
67 | ok( !defined %pig::, q(referencing a non-existent stash doesn't produce stricture errors) ); |
68 | ok( !exists $pig::{bodine}, q(referencing a non-existent stash element doesn't produce stricture errors) ); |
69 | } |
70 | |
71 | SKIP: { |
fb6e4a4e |
72 | eval { require B; 1 } or skip "no B", 18; |
d018fae5 |
73 | |
74 | *b = \&B::svref_2object; |
75 | my $CVf_ANON = B::CVf_ANON(); |
76 | |
77 | my $sub = do { |
78 | package one; |
79 | \&{"one"}; |
80 | }; |
81 | delete $one::{one}; |
82 | my $gv = b($sub)->GV; |
83 | |
84 | isa_ok( $gv, "B::GV", "deleted stash entry leaves CV with valid GV"); |
85 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
86 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); |
87 | is( eval { $gv->STASH->NAME }, "one", "...but leaves stash intact"); |
88 | |
89 | $sub = do { |
90 | package two; |
91 | \&{"two"}; |
92 | }; |
93 | %two:: = (); |
94 | $gv = b($sub)->GV; |
95 | |
96 | isa_ok( $gv, "B::GV", "cleared stash leaves CV with valid GV"); |
97 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
98 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); |
99 | is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash"); |
100 | |
101 | $sub = do { |
102 | package three; |
103 | \&{"three"}; |
104 | }; |
105 | undef %three::; |
106 | $gv = b($sub)->GV; |
107 | |
108 | isa_ok( $gv, "B::GV", "undefed stash leaves CV with valid GV"); |
109 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
110 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); |
111 | is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash"); |
112 | |
113 | TODO: { |
114 | local $TODO = "anon CVs not accounted for yet"; |
115 | |
2221b6e7 |
116 | my @results = split "\n", runperl( |
ab9c4446 |
117 | switches => [ "-MB", "-l" ], |
118 | prog => q{ |
119 | my $sub = do { |
120 | package four; |
121 | sub { 1 }; |
122 | }; |
123 | %four:: = (); |
124 | |
125 | my $gv = B::svref_2object($sub)->GV; |
126 | print $gv->isa(q/B::GV/) ? q/ok/ : q/not ok/; |
127 | |
128 | my $st = eval { $gv->STASH->NAME }; |
129 | print $st eq q/__ANON__/ ? q/ok/ : q/not ok/; |
130 | |
131 | my $sub = do { |
132 | package five; |
133 | sub { 1 }; |
134 | }; |
135 | undef %five::; |
136 | |
137 | $gv = B::svref_2object($sub)->GV; |
138 | print $gv->isa(q/B::GV/) ? q/ok/ : q/not ok/; |
139 | |
140 | $st = eval { $gv->STASH->NAME }; |
141 | print $st eq q/__ANON__/ ? q/ok/ : q/not ok/; |
142 | |
143 | print q/done/; |
2221b6e7 |
144 | }, |
145 | ($^O eq 'VMS') ? (stderr => 1) : () |
146 | ); |
ab9c4446 |
147 | |
148 | ok( @results == 5 && $results[4] eq "done", |
149 | "anon CVs in undefed stash don't segfault" ) |
150 | or todo_skip $TODO, 4; |
151 | |
152 | ok( $results[0] eq "ok", |
153 | "cleared stash leaves anon CV with valid GV"); |
154 | ok( $results[1] eq "ok", |
155 | "...and an __ANON__ stash"); |
156 | |
157 | ok( $results[2] eq "ok", |
158 | "undefed stash leaves anon CV with valid GV"); |
159 | ok( $results[3] eq "ok", |
160 | "...and an __ANON__ stash"); |
d018fae5 |
161 | } |
162 | |
163 | # [perl #58530] |
164 | fresh_perl_is( |
165 | 'sub foo { 1 }; use overload q/""/ => \&foo;' . |
166 | 'delete $main::{foo}; bless []', |
167 | "", |
168 | {}, |
169 | "no segfault with overload/deleted stash entry [#58530]", |
170 | ); |
171 | } |