use Config;
BEGIN {
- if (!-c "/dev/null") {
- print "1..0 # Skip: no /dev/null\n";
- exit 0;
+ if (! -c "/dev/null") {
+ print "1..0 # Skip: no /dev/null\n";
+ exit 0;
}
-my $dev_tty = '/dev/tty';
- $dev_tty = 'TT:' if ($^O eq 'VMS');
- if (!-c $dev_tty) {
- print "1..0 # Skip: no $dev_tty\n";
- exit 0;
+
+ my $dev_tty = '/dev/tty';
+ $dev_tty = 'TT:' if ($^O eq 'VMS');
+ if (! -c $dev_tty) {
+ print "1..0 # Skip: no $dev_tty\n";
+ exit 0;
}
if ($ENV{PERL5DB}) {
- print "1..0 # Skip: \$ENV{PERL5DB} is already set to '$ENV{PERL5DB}'\n";
- exit 0;
+ print "1..0 # Skip: \$ENV{PERL5DB} is already set to '$ENV{PERL5DB}'\n";
+ exit 0;
}
}
-plan(4);
+plan(30);
+
+my $rc_filename = '.perldb';
sub rc {
- open RC, ">", ".perldb" or die $!;
- print RC @_;
- close(RC);
+ open my $rc_fh, '>', $rc_filename
+ or die $!;
+ print {$rc_fh} @_;
+ close ($rc_fh);
+
# overly permissive perms gives "Must not source insecure rcfile"
# and hangs at the DB(1> prompt
- chmod 0644, ".perldb";
+ chmod 0644, $rc_filename;
}
-my $target = '../lib/perl5db/t/eval-line-bug';
+sub _slurp
+{
+ my $filename = shift;
-rc(
- qq|
- &parse_options("NonStop=0 TTY=db.out LineInfo=db.out");
- \n|,
+ open my $in, '<', $filename
+ or die "Cannot open '$filename' for slurping - $!";
- qq|
- sub afterinit {
- push(\@DB::typeahead,
- 'b 23',
- 'n',
- 'n',
- 'n',
- 'c', # line 23
- 'n',
- "p \\\@{'main::_<$target'}",
- 'q',
- );
- }\n|,
-);
+ local $/;
+ my $contents = <$in>;
+
+ close($in);
+
+ return $contents;
+}
+my $out_fn = 'db.out';
+
+sub _out_contents
{
- local $ENV{PERLDB_OPTS} = "ReadLine=0";
- runperl(switches => [ '-d' ], progfile => $target);
+ return _slurp($out_fn);
}
-my $contents;
{
- local $/;
- open I, "<", 'db.out' or die $!;
- $contents = <I>;
- close(I);
+ my $target = '../lib/perl5db/t/eval-line-bug';
+
+ rc(
+ <<"EOF",
+ &parse_options("NonStop=0 TTY=db.out LineInfo=db.out");
+
+ sub afterinit {
+ push(\@DB::typeahead,
+ 'b 23',
+ 'n',
+ 'n',
+ 'n',
+ 'c', # line 23
+ 'n',
+ "p \\\@{'main::_<$target'}",
+ 'q',
+ );
+ }
+EOF
+ );
+
+ {
+ local $ENV{PERLDB_OPTS} = "ReadLine=0";
+ runperl(switches => [ '-d' ], progfile => $target);
+ }
}
-like($contents, qr/sub factorial/,
+like(_out_contents(), qr/sub factorial/,
'The ${main::_<filename} variable in the debugger was not destroyed'
);
{
+ my $target = '../lib/perl5db/t/eval-line-bug';
+
+ rc(
+ <<"EOF",
+ &parse_options("NonStop=0 TTY=db.out LineInfo=db.out");
+
+ sub afterinit {
+ push(\@DB::typeahead,
+ 'b 23',
+ 'c',
+ '\$new_var = "Foo"',
+ 'x "new_var = <\$new_var>\\n";',
+ 'q',
+ );
+ }
+EOF
+ );
+
+ {
+ local $ENV{PERLDB_OPTS} = "ReadLine=0";
+ runperl(switches => [ '-d' ], progfile => $target);
+ }
+}
+
+like(_out_contents(), qr/new_var = <Foo>/,
+ "no strict 'vars' in evaluated lines.",
+);
+
+{
local $ENV{PERLDB_OPTS} = "ReadLine=0";
my $output = runperl(switches => [ '-d' ], progfile => '../lib/perl5db/t/lvalue-bug');
like($output, qr/foo is defined/, 'lvalue subs work in the debugger');
like($output, qr/Undefined symbols 0/, 'there are no undefined values in the symbol table');
}
-{
+SKIP: {
+ if ( $Config{usethreads} ) {
+ skip('This perl has threads, skipping non-threaded debugger tests');
+ } else {
+ my $error = 'This Perl not built to support threads';
+ my $output = runperl( switches => [ '-dt' ], stderr => 1 );
+ like($output, qr/$error/, 'Perl debugger correctly complains that it was not built with threads');
+ }
+
+}
+SKIP: {
if ( $Config{usethreads} ) {
local $ENV{PERLDB_OPTS} = "ReadLine=0 NonStop=1";
my $output = runperl(switches => [ '-dt' ], progfile => '../lib/perl5db/t/symbol-table-bug');
}
}
+
+# Test [perl #61222]
+{
+ local $ENV{PERLDB_OPTS};
+ rc(
+ <<'EOF',
+ &parse_options("NonStop=0 TTY=db.out LineInfo=db.out");
+
+ sub afterinit {
+ push(@DB::typeahead,
+ 'm Pie',
+ 'q',
+ );
+ }
+EOF
+ );
+
+ my $output = runperl(switches => [ '-d' ], stderr => 1, progfile => '../lib/perl5db/t/rt-61222');
+ unlike(_out_contents(), qr/INCORRECT/, "[perl #61222]");
+}
+
+
+
+# Test for Proxy constants
+{
+ rc(
+ <<'EOF',
+
+&parse_options("NonStop=0 ReadLine=0 TTY=db.out LineInfo=db.out");
+
+sub afterinit {
+ push(@DB::typeahead,
+ 'm main->s1',
+ 'q',
+ );
+}
+
+EOF
+ );
+
+ my $output = runperl(switches => [ '-d' ], stderr => 1, progfile => '../lib/perl5db/t/proxy-constants');
+ is($output, "", "proxy constant subroutines");
+}
+
+# [perl #66110] Call a subroutine inside a regex
+{
+ local $ENV{PERLDB_OPTS} = "ReadLine=0 NonStop=1";
+ my $output = runperl(switches => [ '-d' ], stderr => 1, progfile => '../lib/perl5db/t/rt-66110');
+ like($output, "All tests successful.", "[perl #66110]");
+}
+
+# [perl 104168] level option for tracing
+{
+ rc(<<'EOF');
+&parse_options("NonStop=0 TTY=db.out LineInfo=db.out");
+
+sub afterinit {
+ push (@DB::typeahead,
+ 't 2',
+ 'c',
+ 'q',
+ );
+
+}
+EOF
+
+ my $output = runperl(switches => [ '-d' ], stderr => 1, progfile => '../lib/perl5db/t/rt-104168');
+ my $contents = _out_contents();
+ like($contents, qr/level 2/, "[perl #104168]");
+ unlike($contents, qr/baz/, "[perl #104168]");
+}
+
+# taint tests
+
+{
+ local $ENV{PERLDB_OPTS} = "ReadLine=0 NonStop=1";
+ my $output = runperl(switches => [ '-d', '-T' ], stderr => 1,
+ progfile => '../lib/perl5db/t/taint');
+ chomp $output if $^O eq 'VMS'; # newline guaranteed at EOF
+ is($output, '[$^X][done]', "taint");
+}
+
+package DebugWrap;
+
+sub new {
+ my $class = shift;
+
+ my $self = bless {}, $class;
+
+ $self->_init(@_);
+
+ return $self;
+}
+
+sub _cmds {
+ my $self = shift;
+
+ if (@_) {
+ $self->{_cmds} = shift;
+ }
+
+ return $self->{_cmds};
+}
+
+sub _prog {
+ my $self = shift;
+
+ if (@_) {
+ $self->{_prog} = shift;
+ }
+
+ return $self->{_prog};
+}
+
+sub _output {
+ my $self = shift;
+
+ if (@_) {
+ $self->{_output} = shift;
+ }
+
+ return $self->{_output};
+}
+
+sub _include_t
+{
+ my $self = shift;
+
+ if (@_)
+ {
+ $self->{_include_t} = shift;
+ }
+
+ return $self->{_include_t};
+}
+
+sub _contents
+{
+ my $self = shift;
+
+ if (@_)
+ {
+ $self->{_contents} = shift;
+ }
+
+ return $self->{_contents};
+}
+
+sub _init
+{
+ my ($self, $args) = @_;
+
+ my $cmds = $args->{cmds};
+
+ if (ref($cmds) ne 'ARRAY') {
+ die "cmds must be an array of commands.";
+ }
+
+ $self->_cmds($cmds);
+
+ my $prog = $args->{prog};
+
+ if (ref($prog) ne '' or !defined($prog)) {
+ die "prog should be a path to a program file.";
+ }
+
+ $self->_prog($prog);
+
+ $self->_include_t($args->{include_t} ? 1 : 0);
+
+ $self->_run();
+
+ return;
+}
+
+sub _quote
+{
+ my ($self, $str) = @_;
+
+ $str =~ s/(["\@\$\\])/\\$1/g;
+ $str =~ s/\n/\\n/g;
+ $str =~ s/\r/\\r/g;
+
+ return qq{"$str"};
+}
+
+sub _run {
+ my $self = shift;
+
+ my $rc = qq{&parse_options("NonStop=0 TTY=db.out LineInfo=db.out");\n};
+
+ $rc .= join('',
+ map { "$_\n"}
+ (q#sub afterinit {#,
+ q#push (@DB::typeahead,#,
+ (map { $self->_quote($_) . "," } @{$self->_cmds()}),
+ q#);#,
+ q#}#,
+ )
+ );
+
+ # I guess two objects like that cannot be used at the same time.
+ # Oh well.
+ ::rc($rc);
+
+ my $output =
+ ::runperl(
+ switches =>
+ [
+ '-d',
+ ($self->_include_t ? ('-I', '../lib/perl5db/t') : ())
+ ],
+ stderr => 1,
+ progfile => $self->_prog()
+ );
+
+ $self->_output($output);
+
+ $self->_contents(::_out_contents());
+
+ return;
+}
+
+sub output_like {
+ my ($self, $re, $msg) = @_;
+
+ local $::Level = $::Level + 1;
+ ::like($self->_output(), $re, $msg);
+}
+
+sub contents_like {
+ my ($self, $re, $msg) = @_;
+
+ local $::Level = $::Level + 1;
+ ::like($self->_contents(), $re, $msg);
+}
+
+package main;
+
+# Testing that we can set a line in the middle of the file.
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'b ../lib/perl5db/t/MyModule.pm:12',
+ 'c',
+ q/do { use IO::Handle; STDOUT->autoflush(1); print "Var=$var\n"; }/,
+ 'c',
+ 'q',
+ ],
+ include_t => 1,
+ prog => '../lib/perl5db/t/filename-line-breakpoint'
+ }
+ );
+
+ $wrapper->output_like(qr/
+ ^Var=Bar$
+ .*
+ ^In\ MyModule\.$
+ .*
+ ^In\ Main\ File\.$
+ .*
+ /msx,
+ "Can set breakpoint in a line in the middle of the file.");
+}
+
+# Testing that we can set a breakpoint
+{
+ my $wrapper = DebugWrap->new(
+ {
+ prog => '../lib/perl5db/t/breakpoint-bug',
+ cmds =>
+ [
+ 'b 6',
+ 'c',
+ q/do { use IO::Handle; STDOUT->autoflush(1); print "X={$x}\n"; }/,
+ 'c',
+ 'q',
+ ],
+ },
+ );
+
+ $wrapper->output_like(
+ qr/X=\{Two\}/msx,
+ "Can set breakpoint in a line."
+ );
+}
+
+# Testing that we can disable a breakpoint at a numeric line.
+{
+ my $wrapper = DebugWrap->new(
+ {
+ prog => '../lib/perl5db/t/disable-breakpoints-1',
+ cmds =>
+ [
+ 'b 7',
+ 'b 11',
+ 'disable 7',
+ 'c',
+ q/print "X={$x}\n";/,
+ 'c',
+ 'q',
+ ],
+ }
+ );
+
+ $wrapper->output_like(qr/X=\{SecondVal\}/ms,
+ "Can set breakpoint in a line.");
+}
+
+# Testing that we can re-enable a breakpoint at a numeric line.
+{
+ my $wrapper = DebugWrap->new(
+ {
+ prog => '../lib/perl5db/t/disable-breakpoints-2',
+ cmds =>
+ [
+ 'b 8',
+ 'b 24',
+ 'disable 24',
+ 'c',
+ 'enable 24',
+ 'c',
+ q/print "X={$x}\n";/,
+ 'c',
+ 'q',
+ ],
+ },
+ );
+
+ $wrapper->output_like(
+ qr/
+ X=\{SecondValOneHundred\}
+ /msx,
+ "Can set breakpoint in a line."
+ );
+}
# clean up.
+# Disable and enable for breakpoints on outer files.
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'b 10',
+ 'b ../lib/perl5db/t/EnableModule.pm:14',
+ 'disable ../lib/perl5db/t/EnableModule.pm:14',
+ 'c',
+ 'enable ../lib/perl5db/t/EnableModule.pm:14',
+ 'c',
+ q/print "X={$x}\n";/,
+ 'c',
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/disable-breakpoints-3',
+ include_t => 1,
+ }
+ );
+
+ $wrapper->output_like(qr/
+ X=\{SecondValTwoHundred\}
+ /msx,
+ "Can set breakpoint in a line.");
+}
+
+# Testing that the prompt with the information appears.
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds => ['q'],
+ prog => '../lib/perl5db/t/disable-breakpoints-1',
+ }
+ );
+
+ $wrapper->contents_like(qr/
+ ^main::\([^\)]*\bdisable-breakpoints-1:2\):\n
+ 2:\s+my\ \$x\ =\ "One";\n
+ /msx,
+ "Prompt should display the first line of code.");
+}
+
+# Testing that R (restart) and "B *" work.
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'b 13',
+ 'c',
+ 'B *',
+ 'b 9',
+ 'R',
+ 'c',
+ q/print "X={$x};dummy={$dummy}\n";/,
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/disable-breakpoints-1',
+ }
+ );
+
+ $wrapper->output_like(qr/
+ X=\{FirstVal\};dummy=\{1\}
+ /msx,
+ "Restart and delete all breakpoints work properly.");
+}
+
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'c 15',
+ q/print "X={$x}\n";/,
+ 'c',
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/disable-breakpoints-1',
+ }
+ );
+
+ $wrapper->output_like(qr/
+ X=\{ThirdVal\}
+ /msx,
+ "'c line_num' is working properly.");
+}
+
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'n',
+ 'n',
+ 'b . $exp > 200',
+ 'c',
+ q/print "Exp={$exp}\n";/,
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/break-on-dot',
+ }
+ );
+
+ $wrapper->output_like(qr/
+ Exp=\{256\}
+ /msx,
+ "'b .' is working correctly.");
+}
+
+# Testing that the prompt with the information appears inside a subroutine call.
+# See https://rt.perl.org/rt3/Ticket/Display.html?id=104820
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'c back',
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/with-subroutine',
+ }
+ );
+
+ $wrapper->contents_like(
+ qr/
+ ^main::back\([^\)\n]*\bwith-subroutine:15\):[\ \t]*\n
+ ^15:\s*print\ "hello\ back\\n";
+ /msx,
+ "Prompt should display the line of code inside a subroutine.");
+}
+
+# Checking that the p command works.
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'p "<<<" . (4*6) . ">>>"',
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/with-subroutine',
+ }
+ );
+
+ $wrapper->contents_like(
+ qr/<<<24>>>/,
+ "p command works.");
+}
+
+# Tests for x.
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ q/x {500 => 600}/,
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/with-subroutine',
+ }
+ );
+
+ $wrapper->contents_like(
+ # qr/^0\s+HASH\([^\)]+\)\n\s+500 => 600\n/,
+ qr/^0\s+HASH\([^\)]+\)\n\s+500 => 600\n/ms,
+ "x command test."
+ );
+}
+
+# Tests for "T" (stack trace).
+{
+ my $prog_fn = '../lib/perl5db/t/rt-104168';
+ my $wrapper = DebugWrap->new(
+ {
+ prog => $prog_fn,
+ cmds =>
+ [
+ 'c baz',
+ 'T',
+ 'q',
+ ],
+ }
+ );
+ my $re_text = join('',
+ map {
+ sprintf(
+ "%s = %s\\(\\) called from file " .
+ "'" . quotemeta($prog_fn) . "' line %s\\n",
+ (map { quotemeta($_) } @$_)
+ )
+ }
+ (
+ ['.', 'main::baz', 14,],
+ ['.', 'main::bar', 9,],
+ ['.', 'main::foo', 6]
+ )
+ );
+ $wrapper->contents_like(
+ # qr/^0\s+HASH\([^\)]+\)\n\s+500 => 600\n/,
+ qr/^$re_text/ms,
+ "T command test."
+ );
+}
+
+# Test for s.
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'b 9',
+ 'c',
+ 's',
+ q/print "X={$x};dummy={$dummy}\n";/,
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/disable-breakpoints-1'
+ }
+ );
+
+ $wrapper->output_like(qr/
+ X=\{SecondVal\};dummy=\{1\}
+ /msx,
+ 'test for s - single step',
+ );
+}
+
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'n',
+ 'n',
+ 'b . $exp > 200',
+ 'c',
+ q/print "Exp={$exp}\n";/,
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/break-on-dot'
+ }
+ );
+
+ $wrapper->output_like(qr/
+ Exp=\{256\}
+ /msx,
+ "'b .' is working correctly.");
+}
+
+{
+ my $prog_fn = '../lib/perl5db/t/rt-104168';
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 's',
+ 'q',
+ ],
+ prog => $prog_fn,
+ }
+ );
+
+ $wrapper->contents_like(
+ qr/
+ ^main::foo\([^\)\n]*\brt-104168:9\):[\ \t]*\n
+ ^9:\s*bar\(\);
+ /msx,
+ 'Test for the s command.',
+ );
+}
+
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 's uncalled_subroutine()',
+ 'c',
+ 'q',
+ ],
+
+ prog => '../lib/perl5db/t/uncalled-subroutine'}
+ );
+
+ $wrapper->output_like(
+ qr/<1,2,3,4,5>\n/,
+ 'uncalled_subroutine was called after s EXPR()',
+ );
+}
+
+{
+ my $wrapper = DebugWrap->new(
+ {
+ cmds =>
+ [
+ 'n uncalled_subroutine()',
+ 'c',
+ 'q',
+ ],
+ prog => '../lib/perl5db/t/uncalled-subroutine',
+ }
+ );
+
+ $wrapper->output_like(
+ qr/<1,2,3,4,5>\n/,
+ 'uncalled_subroutine was called after n EXPR()',
+ );
+}
+
END {
- 1 while unlink qw(.perldb db.out);
+ 1 while unlink ($rc_filename, $out_fn);
}