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#!./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 => 17);
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>;$/,
'Got debugging output: 3');
}
# [perl #71806]
cmp_ok(
runperl( # less is useful for something :-)
switches => [ '"-Mless ++INC->{q-Devel/_.pm-}"' ],
progs => [
'#!perl -d:_',
'sub DB::DB{} print scalar @{q/_</.__FILE__}',
],
),
'>',
0,
'The debugger can see the lines of the main program under #!perl -d',
);
like
runperl(
switches => [ '"-Mless ++INC->{q-Devel/_.pm-}"' ],
progs => [
'#!perl -d:_',
'sub DB::DB{} print line=>__LINE__',
],
),
qr/line2/,
'#!perl -d:whatever does not throw line numbers off';
# [perl #48332]
like(
runperl(
switches => [ '-Ilib', '-d:switchd_empty' ],
progs => [
'sub foo { print qq _1\n_ }',
'*old_foo = \&foo;',
'*foo = sub { print qq _2\n_ };',
'old_foo(); foo();',
],
),
qr "1\r?\n2\r?\n",
'Subroutine redefinition works in the debugger [perl #48332]',
);
# [rt.cpan.org #69862]
like(
runperl(
switches => [ '-Ilib', '-d:switchd_empty' ],
progs => [
'sub DB::sub { goto &$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",
);
# or seen and defined later
is(
runperl(
switches => [ '-Ilib', '-d:nodb' ], # nodb.pm contains *DB::DB...if 0
prog => 'warn; sub DB::DB { print qq-ok\n-; exit }',
stderr => 1,
),
"ok\n",
"DB::DB works after '*DB::DB if 0'",
);
# [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",
);
# [perl #118627]
like(
runperl(
switches => [ '-Ilib', '-d:switchd_empty' ],
prog => 'print @{q|_<-e|}',
),
qr "use Devel::switchd_empty;(?:BEGIN|\r?\nprint)",
# miniperl tacks a BEGIN block on to the same line
'Copy on write does not mangle ${"_<-e"}[0] [perl #118627]',
);
# PERL5DB with embedded newlines
{
local $ENV{PERL5DB} = "sub DB::DB{}\nwarn";
is(
runperl(
switches => [ '-Ilib', '-ld' ],
prog => 'warn',
stderr => 1
),
"Warning: something's wrong.\n"
."Warning: something's wrong at -e line 1.\n",
'PERL5DB with embedded newlines',
);
}
# test that DB::goto works
is(
runperl(
switches => [ '-Ilib', '-d:switchd_goto' ],
prog => 'sub baz { print qq|hello;\n| } sub foo { goto &baz } foo()',
stderr => 1,
),
"goto<main::baz>;hello;\n",
"DB::goto"
);
# Test that %DB::lsub is not vivified
is(
runperl(
switches => [ '-Ilib', '-d:switchd_empty' ],
progs => ['sub DB::sub {} sub foo : lvalue {} foo();',
'print qq-ok\n- unless defined *DB::lsub{HASH}'],
),
"ok\n",
"%DB::lsub is not vivified"
);
# Test setting of breakpoints without *DB::dbline aliased
is(
runperl(
switches => [ '-Ilib', '-d:nodb' ],
progs => [ split "\n",
'sub DB::DB {
$DB::single = 0, return if $DB::single; print qq[ok\n]; exit
}
${q(_<).__FILE__}{6} = 1; # set a breakpoint
sub foo {
die; # line 6
}
foo();
'
],
stderr => 1
),
"ok\n",
"setting breakpoints without *DB::dbline aliased"
);
|
