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 | |
d018fae5 |
10 | plan( tests => 30 ); |
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 | |
28 | ok( !defined %oedipa::maas::, q(stashes aren't defined if not used) ); |
29 | ok( !defined %{"oedipa::maas::"}, q(- work with hard refs too) ); |
30 | |
31 | ok( defined %tyrone::slothrop::, q(stashes are defined if seen at compile time) ); |
32 | ok( defined %{"tyrone::slothrop::"}, q(- work with hard refs too) ); |
33 | |
34 | ok( defined %bongo::shaftsbury::, q(stashes are defined if a var is seen at compile time) ); |
35 | ok( defined %{"bongo::shaftsbury::"}, q(- work with hard refs too) ); |
36 | |
37 | package tyrone::slothrop; |
38 | $bongo::shaftsbury::scalar = 1; |
aec56d99 |
39 | |
40 | package main; |
41 | |
42 | # Used to warn |
43 | # Unbalanced string table refcount: (1) for "A::" during global destruction. |
44 | # for ithreads. |
45 | { |
46 | local $ENV{PERL_DESTRUCT_LEVEL} = 2; |
47 | fresh_perl_is( |
48 | 'package A; sub a { // }; %::=""', |
49 | '', |
50 | '', |
51 | ); |
52 | } |
ce10b5d1 |
53 | |
d6069db2 |
54 | # now tests in eval |
55 | |
56 | ok( !eval { defined %achtfaden:: }, 'works in eval{}' ); |
57 | ok( !eval q{ defined %schoenmaker:: }, 'works in eval("")' ); |
58 | |
ce10b5d1 |
59 | # now tests with strictures |
60 | |
d018fae5 |
61 | { |
62 | use strict; |
63 | ok( !defined %pig::, q(referencing a non-existent stash doesn't produce stricture errors) ); |
64 | ok( !exists $pig::{bodine}, q(referencing a non-existent stash element doesn't produce stricture errors) ); |
65 | } |
66 | |
67 | SKIP: { |
68 | eval { require B; 1 } or skip "no B", 12; |
69 | |
70 | *b = \&B::svref_2object; |
71 | my $CVf_ANON = B::CVf_ANON(); |
72 | |
73 | my $sub = do { |
74 | package one; |
75 | \&{"one"}; |
76 | }; |
77 | delete $one::{one}; |
78 | my $gv = b($sub)->GV; |
79 | |
80 | isa_ok( $gv, "B::GV", "deleted stash entry leaves CV with valid GV"); |
81 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
82 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); |
83 | is( eval { $gv->STASH->NAME }, "one", "...but leaves stash intact"); |
84 | |
85 | $sub = do { |
86 | package two; |
87 | \&{"two"}; |
88 | }; |
89 | %two:: = (); |
90 | $gv = b($sub)->GV; |
91 | |
92 | isa_ok( $gv, "B::GV", "cleared stash leaves CV with valid GV"); |
93 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
94 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); |
95 | is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash"); |
96 | |
97 | $sub = do { |
98 | package three; |
99 | \&{"three"}; |
100 | }; |
101 | undef %three::; |
102 | $gv = b($sub)->GV; |
103 | |
104 | isa_ok( $gv, "B::GV", "undefed stash leaves CV with valid GV"); |
105 | is( b($sub)->CvFLAGS & $CVf_ANON, $CVf_ANON, "...and CVf_ANON set"); |
106 | is( eval { $gv->NAME }, "__ANON__", "...and an __ANON__ name"); |
107 | is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash"); |
108 | |
109 | TODO: { |
110 | local $TODO = "anon CVs not accounted for yet"; |
111 | |
112 | $sub = do { |
113 | package four; |
114 | sub { 1 }; |
115 | }; |
116 | %four:: = (); |
117 | $gv = b($sub)->GV; |
118 | |
119 | isa_ok( $gv, "B::GV", "cleared stash leaves anon CV with valid GV"); |
120 | is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash"); |
121 | |
122 | $sub = do { |
123 | package five; |
124 | sub { 1 }; |
125 | }; |
126 | undef %five::; |
127 | $gv = b($sub)->GV; |
128 | |
129 | isa_ok( $gv, "B::GV", "undefed stash leaves anon CV with valid GV"); |
130 | is( eval { $gv->STASH->NAME }, "__ANON__", "...and an __ANON__ stash"); |
131 | } |
132 | |
133 | # [perl #58530] |
134 | fresh_perl_is( |
135 | 'sub foo { 1 }; use overload q/""/ => \&foo;' . |
136 | 'delete $main::{foo}; bless []', |
137 | "", |
138 | {}, |
139 | "no segfault with overload/deleted stash entry [#58530]", |
140 | ); |
141 | } |