1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
#!./perl -w
BEGIN {
chdir 't' if -d 't';
@INC = qw(../lib lib);
}
BEGIN { require "./test.pl"; }
# This test depends on t/lib/Devel/switchd*.pm.
plan(tests => 10);
my $r;
my $filename = tempfile();
SKIP: {
open my $f, ">$filename"
or skip( "Can't write temp file $filename: $!" );
print $f <<'__SWDTEST__';
package Bar;
sub bar { $_[0] * $_[0] }
package Foo;
sub foo {
my $s;
$s += Bar::bar($_) for 1..$_[0];
}
package main;
Foo::foo(3);
__SWDTEST__
close $f;
$| = 1; # Unbufferize.
$r = runperl(
switches => [ '-Ilib', '-f', '-d:switchd' ],
progfile => $filename,
args => ['3'],
);
like($r,
qr/^sub<Devel::switchd::import>;import<Devel::switchd>;DB<main,$::tempfile_regexp,9>;sub<Foo::foo>;DB<Foo,$::tempfile_regexp,5>;DB<Foo,$::tempfile_regexp,6>;sub<Bar::bar>;DB<Bar,$::tempfile_regexp,2>;sub<Bar::bar>;DB<Bar,$::tempfile_regexp,2>;sub<Bar::bar>;DB<Bar,$::tempfile_regexp,2>;$/,
'Got debugging output: 1');
$r = runperl(
switches => [ '-Ilib', '-f', '-d:switchd=a,42' ],
progfile => $filename,
args => ['4'],
);
like($r,
qr/^sub<Devel::switchd::import>;import<Devel::switchd a 42>;DB<main,$::tempfile_regexp,9>;sub<Foo::foo>;DB<Foo,$::tempfile_regexp,5>;DB<Foo,$::tempfile_regexp,6>;sub<Bar::bar>;DB<Bar,$::tempfile_regexp,2>;sub<Bar::bar>;DB<Bar,$::tempfile_regexp,2>;sub<Bar::bar>;DB<Bar,$::tempfile_regexp,2>;$/,
'Got debugging output: 2');
$r = runperl(
switches => [ '-Ilib', '-f', '-d:-switchd=a,42' ],
progfile => $filename,
args => ['4'],
);
like($r,
qr/^sub<Devel::switchd::unimport>;unimport<Devel::switchd a 42>;DB<main,$::tempfile_regexp,9>;sub<Foo::foo>;DB<Foo,$::tempfile_regexp,5>;DB<Foo,$::tempfile_regexp,6>;sub<Bar::bar>;DB<Bar,$::tempfile_regexp,2>;sub<Bar::bar>;DB<Bar,$::tempfile_regexp,2>;sub<Bar::bar>;DB<Bar,$::tempfile_regexp,2>;$/,
'Got debugging output: 3');
}
# [perl #71806]
cmp_ok(
runperl( # less is useful for something :-)
switches => [ '"-Mless ++INC->{q-Devel/_.pm-}"' ],
progs => [
'#!perl -d:_',
'sub DB::DB{} print scalar @{q/_</.__FILE__}',
],
),
'>',
0,
'The debugger can see the lines of the main program under #!perl -d',
);
# [perl #48332]
like(
runperl(
switches => [ '-Ilib', '-d:switchd_empty' ],
progs => [
'sub foo { print qq _1\n_ }',
'*old_foo = \&foo;',
'*foo = sub { print qq _2\n_ };',
'old_foo(); foo();',
],
),
qr "1\r?\n2\r?\n",
'Subroutine redefinition works in the debugger [perl #48332]',
);
# [rt.cpan.org #69862]
like(
runperl(
switches => [ '-Ilib', '-d:switchd_empty' ],
progs => [
'sub DB::sub { goto &$DB::sub }',
'sub foo { print qq _1\n_ }',
'sub bar { print qq _2\n_ }',
'delete $::{foo}; eval { foo() };',
'my $bar = *bar; undef *bar; eval { &$bar };',
],
),
qr "1\r?\n2\r?\n",
'Subroutines no longer found under their names can be called',
);
# [rt.cpan.org #69862]
like(
runperl(
switches => [ '-Ilib', '-d:switchd_empty' ],
progs => [
'sub DB::sub { goto &$DB::sub }',
'sub foo { goto &bar::baz; }',
'sub bar::baz { print qq _ok\n_ }',
'delete $::{bar::::};',
'foo();',
],
),
qr "ok\r?\n",
'No crash when calling orphaned subroutine via goto &',
);
# test when DB::DB is seen but not defined [perl #114990]
like(
runperl(
switches => [ '-Ilib', '-d:nodb' ],
prog => [ '1' ],
stderr => 1,
),
qr/^No DB::DB routine defined/,
"No crash when *DB::DB exists but not &DB::DB",
);
like(
runperl(
switches => [ '-Ilib' ],
prog => 'sub DB::DB; BEGIN { $^P = 0x22; } for(0..9){ warn }',
stderr => 1,
),
qr/^No DB::DB routine defined/,
"No crash when &DB::DB exists but isn't actually defined",
);
# [perl #115742] Recursive DB::DB clobbering its own pad
like(
runperl(
switches => [ '-Ilib' ],
progs => [ split "\n", <<'='
BEGIN {
$^P = 0x22;
}
package DB;
sub DB {
my $x = 42;
return if $__++;
$^D |= 1 << 30; # allow recursive calls
main::foo();
print $x//q-u-, qq-\n-;
}
package main;
chop;
sub foo { chop; }
=
],
stderr => 1,
),
qr/42/,
"Recursive DB::DB does not clobber its own pad",
);
|
