xref: /openbsd-src/gnu/usr.bin/perl/t/run/fresh_perl.t (revision db3296cf5c1dd9058ceecc3a29fe4aaa0bd26000)
1#!./perl
2
3# ** DO NOT ADD ANY MORE TESTS HERE **
4# Instead, put the test in the appropriate test file and use the
5# fresh_perl_is()/fresh_perl_like() functions in t/test.pl.
6
7# This is for tests that will normally cause segfaults, and other nasty
8# errors that might kill the interpreter and for some reason you can't
9# use an eval().
10#
11# New tests are added to the bottom.  For example.
12#
13#       ######## perlbug ID 20020831.001
14#       ($a, b) = (1,2)
15#       EXPECT
16#       Can't modify constant item in list assignment - at line 1
17#
18# to test that the code "($a, b) = (1,2)" causes the appropriate syntax
19# error, rather than just segfaulting as reported in perlbug ID
20# 20020831.001
21
22BEGIN {
23    chdir 't' if -d 't';
24    @INC = '../lib';
25    require './test.pl';	# for which_perl() etc
26}
27
28use strict;
29
30my $Perl = which_perl();
31
32$|=1;
33
34my @prgs = ();
35while(<DATA>) {
36    if(m/^#{8,}\s*(.*)/) {
37        push @prgs, ['', $1];
38    }
39    else {
40        $prgs[-1][0] .= $_;
41    }
42}
43plan tests => scalar @prgs;
44
45foreach my $prog (@prgs) {
46    my($raw_prog, $name) = @$prog;
47
48    my $switch;
49    if ($raw_prog =~ s/^\s*(-\w.*)//){
50	$switch = $1;
51    }
52
53    my($prog,$expected) = split(/\nEXPECT\n/, $raw_prog);
54
55    if ($prog =~ /^\# SKIP: (.+)/m) {
56	if (eval $1) {
57	    ok(1, "Skip: $1");
58	    next;
59	}
60    }
61
62    $expected =~ s/\n+$//;
63
64    fresh_perl_is($prog, $expected, { switches => [$switch] }, $name);
65}
66
67__END__
68########
69$a = ":="; split /($a)/o, "a:=b:=c"; print "@_"
70EXPECT
71a := b := c
72########
73$cusp = ~0 ^ (~0 >> 1);
74use integer;
75$, = " ";
76print +($cusp - 1) % 8, $cusp % 8, -$cusp % 8, 8 | (($cusp + 1) % 8 + 7), "!\n";
77EXPECT
787 0 0 8 !
79########
80$foo=undef; $foo->go;
81EXPECT
82Can't call method "go" on an undefined value at - line 1.
83########
84BEGIN
85        {
86	    "foo";
87        }
88########
89$array[128]=1
90########
91$x=0x0eabcd; print $x->ref;
92EXPECT
93Can't call method "ref" without a package or object reference at - line 1.
94########
95chop ($str .= <DATA>);
96########
97close ($banana);
98########
99$x=2;$y=3;$x<$y ? $x : $y += 23;print $x;
100EXPECT
10125
102########
103eval {sub bar {print "In bar";}}
104########
105system './perl -ne "print if eof" /dev/null' unless $^O eq 'MacOS'
106########
107chop($file = <DATA>);
108########
109package N;
110sub new {my ($obj,$n)=@_; bless \$n}
111$aa=new N 1;
112$aa=12345;
113print $aa;
114EXPECT
11512345
116########
117%@x=0;
118EXPECT
119Can't modify hash dereference in repeat (x) at - line 1, near "0;"
120Execution of - aborted due to compilation errors.
121########
122$_="foo";
123printf(STDOUT "%s\n", $_);
124EXPECT
125foo
126########
127push(@a, 1, 2, 3,)
128########
129quotemeta ""
130########
131for ("ABCDE") {
132 &sub;
133s/./&sub($&)/eg;
134print;}
135sub sub {local($_) = @_;
136$_ x 4;}
137EXPECT
138Modification of a read-only value attempted at - line 3.
139########
140package FOO;sub new {bless {FOO => BAR}};
141package main;
142use strict vars;
143my $self = new FOO;
144print $$self{FOO};
145EXPECT
146BAR
147########
148$_="foo";
149s/.{1}//s;
150print;
151EXPECT
152oo
153########
154print scalar ("foo","bar")
155EXPECT
156bar
157########
158sub by_number { $a <=> $b; };# inline function for sort below
159$as_ary{0}="a0";
160@ordered_array=sort by_number keys(%as_ary);
161########
162sub NewShell
163{
164  local($Host) = @_;
165  my($m2) = $#Shells++;
166  $Shells[$m2]{HOST} = $Host;
167  return $m2;
168}
169
170sub ShowShell
171{
172  local($i) = @_;
173}
174
175&ShowShell(&NewShell(beach,Work,"+0+0"));
176&ShowShell(&NewShell(beach,Work,"+0+0"));
177&ShowShell(&NewShell(beach,Work,"+0+0"));
178########
179   {
180       package FAKEARRAY;
181
182       sub TIEARRAY
183       { print "TIEARRAY @_\n";
184         die "bomb out\n" unless $count ++ ;
185         bless ['foo']
186       }
187       sub FETCH { print "fetch @_\n"; $_[0]->[$_[1]] }
188       sub STORE { print "store @_\n"; $_[0]->[$_[1]] = $_[2] }
189       sub DESTROY { print "DESTROY \n"; undef @{$_[0]}; }
190   }
191
192eval 'tie @h, FAKEARRAY, fred' ;
193tie @h, FAKEARRAY, fred ;
194EXPECT
195TIEARRAY FAKEARRAY fred
196TIEARRAY FAKEARRAY fred
197DESTROY
198########
199BEGIN { die "phooey\n" }
200EXPECT
201phooey
202BEGIN failed--compilation aborted at - line 1.
203########
204BEGIN { 1/$zero }
205EXPECT
206Illegal division by zero at - line 1.
207BEGIN failed--compilation aborted at - line 1.
208########
209BEGIN { undef = 0 }
210EXPECT
211Modification of a read-only value attempted at - line 1.
212BEGIN failed--compilation aborted at - line 1.
213########
214{
215    package foo;
216    sub PRINT {
217        shift;
218        print join(' ', reverse @_)."\n";
219    }
220    sub PRINTF {
221        shift;
222	  my $fmt = shift;
223        print sprintf($fmt, @_)."\n";
224    }
225    sub TIEHANDLE {
226        bless {}, shift;
227    }
228    sub READLINE {
229	"Out of inspiration";
230    }
231    sub DESTROY {
232	print "and destroyed as well\n";
233  }
234  sub READ {
235      shift;
236      print STDOUT "foo->can(READ)(@_)\n";
237      return 100;
238  }
239  sub GETC {
240      shift;
241      print STDOUT "Don't GETC, Get Perl\n";
242      return "a";
243  }
244}
245{
246    local(*FOO);
247    tie(*FOO,'foo');
248    print FOO "sentence.", "reversed", "a", "is", "This";
249    print "-- ", <FOO>, " --\n";
250    my($buf,$len,$offset);
251    $buf = "string";
252    $len = 10; $offset = 1;
253    read(FOO, $buf, $len, $offset) == 100 or die "foo->READ failed";
254    getc(FOO) eq "a" or die "foo->GETC failed";
255    printf "%s is number %d\n", "Perl", 1;
256}
257EXPECT
258This is a reversed sentence.
259-- Out of inspiration --
260foo->can(READ)(string 10 1)
261Don't GETC, Get Perl
262Perl is number 1
263and destroyed as well
264########
265my @a; $a[2] = 1; for (@a) { $_ = 2 } print "@a\n"
266EXPECT
2672 2 2
268########
269# used to attach defelem magic to all immortal values,
270# which made restore of local $_ fail.
271foo(2>1);
272sub foo { bar() for @_;  }
273sub bar { local $_; }
274print "ok\n";
275EXPECT
276ok
277########
278@a = ($a, $b, $c, $d) = (5, 6);
279print "ok\n"
280  if ($a[0] == 5 and $a[1] == 6 and !defined $a[2] and !defined $a[3]);
281EXPECT
282ok
283########
284print "ok\n" if (1E2<<1 == 200 and 3E4<<3 == 240000);
285EXPECT
286ok
287########
288print "ok\n" if ("\0" lt "\xFF");
289EXPECT
290ok
291########
292open(H,$^O eq 'MacOS' ? ':run:fresh_perl.t' : 'run/fresh_perl.t'); # must be in the 't' directory
293stat(H);
294print "ok\n" if (-e _ and -f _ and -r _);
295EXPECT
296ok
297########
298sub thing { 0 || return qw(now is the time) }
299print thing(), "\n";
300EXPECT
301nowisthetime
302########
303$ren = 'joy';
304$stimpy = 'happy';
305{ local $main::{ren} = *stimpy; print $ren, ' ' }
306print $ren, "\n";
307EXPECT
308happy joy
309########
310$stimpy = 'happy';
311{ local $main::{ren} = *stimpy; print ${'ren'}, ' ' }
312print +(defined(${'ren'}) ? 'oops' : 'joy'), "\n";
313EXPECT
314happy joy
315########
316package p;
317sub func { print 'really ' unless wantarray; 'p' }
318sub groovy { 'groovy' }
319package main;
320print p::func()->groovy(), "\n"
321EXPECT
322really groovy
323########
324@list = ([ 'one', 1 ], [ 'two', 2 ]);
325sub func { $num = shift; (grep $_->[1] == $num, @list)[0] }
326print scalar(map &func($_), 1 .. 3), " ",
327      scalar(map scalar &func($_), 1 .. 3), "\n";
328EXPECT
3292 3
330########
331($k, $s)  = qw(x 0);
332@{$h{$k}} = qw(1 2 4);
333for (@{$h{$k}}) { $s += $_; delete $h{$k} if ($_ == 2) }
334print "bogus\n" unless $s == 7;
335########
336my $a = 'outer';
337eval q[ my $a = 'inner'; eval q[ print "$a " ] ];
338eval { my $x = 'peace'; eval q[ print "$x\n" ] }
339EXPECT
340inner peace
341########
342-w
343$| = 1;
344sub foo {
345    print "In foo1\n";
346    eval 'sub foo { print "In foo2\n" }';
347    print "Exiting foo1\n";
348}
349foo;
350foo;
351EXPECT
352In foo1
353Subroutine foo redefined at (eval 1) line 1.
354Exiting foo1
355In foo2
356########
357$s = 0;
358map {#this newline here tickles the bug
359$s += $_} (1,2,4);
360print "eat flaming death\n" unless ($s == 7);
361########
362sub foo { local $_ = shift; split; @_ }
363@x = foo(' x  y  z ');
364print "you die joe!\n" unless "@x" eq 'x y z';
365########
366/(?{"{"})/	# Check it outside of eval too
367EXPECT
368Sequence (?{...}) not terminated or not {}-balanced at - line 1, within pattern
369Sequence (?{...}) not terminated or not {}-balanced in regex; marked by <-- HERE in m/(?{ <-- HERE "{"})/ at - line 1.
370########
371/(?{"{"}})/	# Check it outside of eval too
372EXPECT
373Unmatched right curly bracket at (re_eval 1) line 1, at end of line
374syntax error at (re_eval 1) line 1, near ""{"}"
375Compilation failed in regexp at - line 1.
376########
377BEGIN { @ARGV = qw(a b c d e) }
378BEGIN { print "argv <@ARGV>\nbegin <",shift,">\n" }
379END { print "end <",shift,">\nargv <@ARGV>\n" }
380INIT { print "init <",shift,">\n" }
381CHECK { print "check <",shift,">\n" }
382EXPECT
383argv <a b c d e>
384begin <a>
385check <b>
386init <c>
387end <d>
388argv <e>
389########
390-l
391# fdopen from a system descriptor to a system descriptor used to close
392# the former.
393open STDERR, '>&=STDOUT' or die $!;
394select STDOUT; $| = 1; print fileno STDOUT or die $!;
395select STDERR; $| = 1; print fileno STDERR or die $!;
396EXPECT
3971
3982
399########
400-w
401sub testme { my $a = "test"; { local $a = "new test"; print $a }}
402EXPECT
403Can't localize lexical variable $a at - line 2.
404########
405package X;
406sub ascalar { my $r; bless \$r }
407sub DESTROY { print "destroyed\n" };
408package main;
409*s = ascalar X;
410EXPECT
411destroyed
412########
413package X;
414sub anarray { bless [] }
415sub DESTROY { print "destroyed\n" };
416package main;
417*a = anarray X;
418EXPECT
419destroyed
420########
421package X;
422sub ahash { bless {} }
423sub DESTROY { print "destroyed\n" };
424package main;
425*h = ahash X;
426EXPECT
427destroyed
428########
429package X;
430sub aclosure { my $x; bless sub { ++$x } }
431sub DESTROY { print "destroyed\n" };
432package main;
433*c = aclosure X;
434EXPECT
435destroyed
436########
437package X;
438sub any { bless {} }
439my $f = "FH000"; # just to thwart any future optimisations
440sub afh { select select ++$f; my $r = *{$f}{IO}; delete $X::{$f}; bless $r }
441sub DESTROY { print "destroyed\n" }
442package main;
443$x = any X; # to bump sv_objcount. IO objs aren't counted??
444*f = afh X;
445EXPECT
446destroyed
447destroyed
448########
449BEGIN {
450  $| = 1;
451  $SIG{__WARN__} = sub {
452    eval { print $_[0] };
453    die "bar\n";
454  };
455  warn "foo\n";
456}
457EXPECT
458foo
459bar
460BEGIN failed--compilation aborted at - line 8.
461########
462package X;
463@ISA='Y';
464sub new {
465    my $class = shift;
466    my $self = { };
467    bless $self, $class;
468    my $init = shift;
469    $self->foo($init);
470    print "new", $init;
471    return $self;
472}
473sub DESTROY {
474    my $self = shift;
475    print "DESTROY", $self->foo;
476}
477package Y;
478sub attribute {
479    my $self = shift;
480    my $var = shift;
481    if (@_ == 0) {
482	return $self->{$var};
483    } elsif (@_ == 1) {
484	$self->{$var} = shift;
485    }
486}
487sub AUTOLOAD {
488    $AUTOLOAD =~ /::([^:]+)$/;
489    my $method = $1;
490    splice @_, 1, 0, $method;
491    goto &attribute;
492}
493package main;
494my $x = X->new(1);
495for (2..3) {
496    my $y = X->new($_);
497    print $y->foo;
498}
499print $x->foo;
500EXPECT
501new1new22DESTROY2new33DESTROY31DESTROY1
502########
503re();
504sub re {
505    my $re = join '', eval 'qr/(??{ $obj->method })/';
506    $re;
507}
508EXPECT
509########
510use strict;
511my $foo = "ZZZ\n";
512END { print $foo }
513EXPECT
514ZZZ
515########
516eval '
517use strict;
518my $foo = "ZZZ\n";
519END { print $foo }
520';
521EXPECT
522ZZZ
523########
524-w
525if (@ARGV) { print "" }
526else {
527  if ($x == 0) { print "" } else { print $x }
528}
529EXPECT
530Use of uninitialized value in numeric eq (==) at - line 4.
531########
532$x = sub {};
533foo();
534sub foo { eval { return }; }
535print "ok\n";
536EXPECT
537ok
538########
539# moved to op/lc.t
540EXPECT
541########
542sub f { my $a = 1; my $b = 2; my $c = 3; my $d = 4; next }
543my $x = "foo";
544{ f } continue { print $x, "\n" }
545EXPECT
546foo
547########
548sub C () { 1 }
549sub M { $_[0] = 2; }
550eval "C";
551M(C);
552EXPECT
553Modification of a read-only value attempted at - line 2.
554########
555print qw(ab a\b a\\b);
556EXPECT
557aba\ba\b
558########
559# lexicals declared after the myeval() definition should not be visible
560# within it
561sub myeval { eval $_[0] }
562my $foo = "ok 2\n";
563myeval('sub foo { local $foo = "ok 1\n"; print $foo; }');
564die $@ if $@;
565foo();
566print $foo;
567EXPECT
568ok 1
569ok 2
570########
571# lexicals outside an eval"" should be visible inside subroutine definitions
572# within it
573eval <<'EOT'; die $@ if $@;
574{
575    my $X = "ok\n";
576    eval 'sub Y { print $X }'; die $@ if $@;
577    Y();
578}
579EOT
580EXPECT
581ok
582########
583# This test is here instead of lib/locale.t because
584# the bug depends on in the internal state of the locale
585# settings and pragma/locale messes up that state pretty badly.
586# We need a "fresh run".
587BEGIN {
588    eval { require POSIX };
589    if ($@) {
590	exit(0); # running minitest?
591    }
592}
593use Config;
594my $have_setlocale = $Config{d_setlocale} eq 'define';
595$have_setlocale = 0 if $@;
596# Visual C's CRT goes silly on strings of the form "en_US.ISO8859-1"
597# and mingw32 uses said silly CRT
598$have_setlocale = 0 if (($^O eq 'MSWin32' || $^O eq 'NetWare') && $Config{cc} =~ /^(cl|gcc)/i);
599exit(0) unless $have_setlocale;
600my @locales;
601if (-x "/usr/bin/locale" && open(LOCALES, "/usr/bin/locale -a 2>/dev/null|")) {
602    while(<LOCALES>) {
603        chomp;
604        push(@locales, $_);
605    }
606    close(LOCALES);
607}
608exit(0) unless @locales;
609for (@locales) {
610    use POSIX qw(locale_h);
611    use locale;
612    setlocale(LC_NUMERIC, $_) or next;
613    my $s = sprintf "%g %g", 3.1, 3.1;
614    next if $s eq '3.1 3.1' || $s =~ /^(3.+1) \1$/;
615    print "$_ $s\n";
616}
617EXPECT
618########
619die qr(x)
620EXPECT
621(?-xism:x) at - line 1.
622########
623# 20001210.003 mjd@plover.com
624format REMITOUT_TOP =
625FOO
626.
627
628format REMITOUT =
629BAR
630.
631
632# This loop causes a segv in 5.6.0
633for $lineno (1..61) {
634   write REMITOUT;
635}
636
637print "It's OK!";
638EXPECT
639It's OK!
640########
641# Inaba Hiroto
642reset;
643if (0) {
644  if ("" =~ //) {
645  }
646}
647########
648# Nicholas Clark
649$ENV{TERM} = 0;
650reset;
651// if 0;
652########
653# Vadim Konovalov
654use strict;
655sub new_pmop($) {
656    my $pm = shift;
657    return eval "sub {shift=~/$pm/}";
658}
659new_pmop "abcdef"; reset;
660new_pmop "abcdef"; reset;
661new_pmop "abcdef"; reset;
662new_pmop "abcdef"; reset;
663########
664# David Dyck
665# coredump in 5.7.1
666close STDERR; die;
667EXPECT
668########
669-w
670"x" =~ /(\G?x)?/;	# core dump in 20000716.007
671########
672# Bug 20010515.004
673my @h = 1 .. 10;
674bad(@h);
675sub bad {
676   undef @h;
677   print "O";
678   print for @_;
679   print "K";
680}
681EXPECT
682OK
683########
684# Bug 20010506.041
685"abcd\x{1234}" =~ /(a)(b[c])(d+)?/i and print "ok\n";
686EXPECT
687ok
688########
689# Bug 20010422.005
690{s//${}/; //}
691EXPECT
692syntax error at - line 2, near "${}"
693Execution of - aborted due to compilation errors.
694########
695# Bug 20010528.007
696"\x{"
697EXPECT
698Missing right brace on \x{} at - line 2, within string
699Execution of - aborted due to compilation errors.
700########
701my $foo = Bar->new();
702my @dst;
703END {
704    ($_ = "@dst") =~ s/\(0x.+?\)/(0x...)/;
705    print $_, "\n";
706}
707package Bar;
708sub new {
709    my Bar $self = bless [], Bar;
710    eval '$self';
711    return $self;
712}
713sub DESTROY {
714    push @dst, "$_[0]";
715}
716EXPECT
717Bar=ARRAY(0x...)
718########
719######## found by Markov chain stress testing
720eval "a.b.c.d.e.f;sub"
721EXPECT
722
723######## perlbug ID 20010831.001
724($a, b) = (1, 2);
725EXPECT
726Can't modify constant item in list assignment at - line 1, near ");"
727Execution of - aborted due to compilation errors.
728######## tying a bareword causes a segfault in 5.6.1
729tie FOO, "Foo";
730EXPECT
731Can't modify constant item in tie at - line 1, near ""Foo";"
732Execution of - aborted due to compilation errors.
733######## undefing constant causes a segfault in 5.6.1 [ID 20010906.019]
734undef foo;
735EXPECT
736Can't modify constant item in undef operator at - line 1, near "foo;"
737Execution of - aborted due to compilation errors.
738######## (?{...}) compilation bounces on PL_rs
739-0
740{
741  /(?{ $x })/;
742  # {
743}
744BEGIN { print "ok\n" }
745EXPECT
746ok
747######## read($var, FILE, 1) segfaults on 5.6.1 [ID 20011025.054]
748read($bla, FILE, 1);
749EXPECT
750Can't modify constant item in read at - line 1, near "1)"
751Execution of - aborted due to compilation errors.
752######## scalar ref to file test operator segfaults on 5.6.1 [ID 20011127.155]
753# This only happens if the filename is 11 characters or less.
754$foo = \-f "blah";
755print "ok" if ref $foo && !$$foo;
756EXPECT
757ok
758######## [ID 20011128.159] 'X' =~ /\X/ segfault in 5.6.1
759print "ok" if 'X' =~ /\X/;
760EXPECT
761ok
762######## segfault in 5.6.1 within peep()
763@a = (1..9);
764@b = sort { @c = sort { @d = sort { 0 } @a; @d; } @a; } @a;
765print join '', @a, "\n";
766EXPECT
767123456789
768######## [ID 20020104.007] "coredump on dbmclose"
769package Foo;
770eval { require AnyDBM_File }; # not all places have dbm* functions
771if ($@) {
772    print "ok\n";
773    exit 0;
774}
775package Foo;
776sub new {
777        my $proto = shift;
778        my $class = ref($proto) || $proto;
779        my $self  = {};
780        bless($self,$class);
781        my %LT;
782        dbmopen(%LT, "dbmtest", 0666) ||
783	    die "Can't open dbmtest because of $!\n";
784        $self->{'LT'} = \%LT;
785        return $self;
786}
787sub DESTROY {
788        my $self = shift;
789	dbmclose(%{$self->{'LT'}});
790	1 while unlink 'dbmtest';
791	1 while unlink <dbmtest.*>;
792	print "ok\n";
793}
794package main;
795$test = Foo->new(); # must be package var
796EXPECT
797ok
798######## example from Camel 5, ch. 15, pp.406 (with my)
799# SKIP: ord "A" == 193 # EBCDIC
800use strict;
801use utf8;
802my $人 = 2; # 0xe4 0xba 0xba: U+4eba, "human" in CJK ideograph
803$人++; # a child is born
804print $人, "\n";
805EXPECT
8063
807######## example from Camel 5, ch. 15, pp.406 (with our)
808# SKIP: ord "A" == 193 # EBCDIC
809use strict;
810use utf8;
811our $人 = 2; # 0xe4 0xba 0xba: U+4eba, "human" in CJK ideograph
812$人++; # a child is born
813print $人, "\n";
814EXPECT
8153
816######## example from Camel 5, ch. 15, pp.406 (with package vars)
817# SKIP: ord "A" == 193 # EBCDIC
818use utf8;
819$人 = 2; # 0xe4 0xba 0xba: U+4eba, "human" in CJK ideograph
820$人++; # a child is born
821print $人, "\n";
822EXPECT
8233
824######## example from Camel 5, ch. 15, pp.406 (with use vars)
825# SKIP: ord "A" == 193 # EBCDIC
826use strict;
827use utf8;
828use vars qw($人);
829$人 = 2; # 0xe4 0xba 0xba: U+4eba, "human" in CJK ideograph
830$人++; # a child is born
831print $人, "\n";
832EXPECT
8333
834########
835# test that closures generated by eval"" hold on to the CV of the eval""
836# for their entire lifetime
837$code = eval q[
838  sub { eval '$x = "ok 1\n"'; }
839];
840&{$code}();
841print $x;
842EXPECT
843ok 1
844######## [ID 20020623.009] nested eval/sub segfaults
845$eval = eval 'sub { eval "sub { %S }" }';
846$eval->({});
847