11 # Test that defined() returns true for magic variables created on the fly,
12 # even before they have been created.
13 # This must come first, even before turning on warnings or setting up
14 # $SIG{__WARN__}, to avoid invalidating the tests. warnings.pm currently
15 # does not mention any special variables, but that could easily change.
17 # not available in miniperl
18 my %non_mini = map { $_ => 1 } qw(+ - [);
20 SIG ^OPEN ^TAINT ^UNICODE ^UTF8LOCALE ^WARNING_BITS 1 2 3 4 5 6 7 8
21 9 42 & ` ' : ? ! _ - [ ^ ~ = % . ( ) < > \ / $ | + ; ] ^A ^C ^D
22 ^E ^F ^H ^I ^L ^N ^O ^P ^S ^T ^V ^W ^UTF8CACHE ::12345 main::98732
25 # avoid using any global vars here:
26 if ($v =~ s/^\^(?=.)//) {
27 for(substr $v, 0, 1) {
33 skip_if_miniperl("the module for *$_ may not be available in "
34 . "miniperl", 1) if $non_mini{$_};
35 ok defined *$v, "*$_ appears to be defined at the outset";
40 # This must be in a separate BEGIN block, as the mere mention of ${^TAINT}
41 # will invalidate the test for it.
43 $ENV{PATH} = '/bin' if ${^TAINT};
44 $SIG{__WARN__} = sub { die "Dying on warning: ", @_ };
51 $Is_MSWin32 = $^O eq 'MSWin32';
52 $Is_NetWare = $^O eq 'NetWare';
53 $Is_VMS = $^O eq 'VMS';
54 $Is_Dos = $^O eq 'dos';
55 $Is_os2 = $^O eq 'os2';
56 $Is_Cygwin = $^O eq 'cygwin';
57 $Is_MPE = $^O eq 'mpeix';
58 $Is_BeOS = $^O eq 'beos';
61 || ($Is_NetWare ? 'perl' :
63 $Is_MSWin32 ? '.\perl' :
67 # On VMS, environment variable changes are peristent after perl exits
68 delete $ENV{'FOO'} if $Is_VMS;
71 eval '$ENV{"FOO"} = "hi there";'; # check that ENV is inited inside eval
72 # cmd.exe will echo 'variable=value' but 4nt will echo just the value
74 if ($Is_MSWin32) { like `set FOO`, qr/^(?:FOO=)?hi there$/; }
75 elsif ($Is_VMS) { is `write sys\$output f\$trnlnm("FOO")`, "hi there\n"; }
76 else { is `echo \$FOO`, "hi there\n"; }
78 unlink_all 'ajslkdfpqjsjfk';
80 open(FOO,'ajslkdfpqjsjfk');
82 close FOO; # just mention it, squelch used-only-once
85 skip('SIGINT not safe on this platform', 5)
86 if $Is_MSWin32 || $Is_NetWare || $Is_Dos || $Is_MPE;
87 # the next tests are done in a subprocess because sh spits out a
88 # newline onto stderr when a child process kills itself with SIGINT.
89 # We use a pipe rather than system() because the VMS command buffer
90 # would overflow with a command that long.
92 # For easy interpolation of test numbers:
93 $next_test = curr_test() - 1;
94 sub TIEARRAY {bless[]}
95 sub FETCH { $next_test + pop }
96 tie my @tn, __PACKAGE__;
98 open( CMDPIPE, "| $PERL");
100 print CMDPIPE "\$t1 = $tn[1]; \$t2 = $tn[2];\n", <<'END';
102 $| = 1; # command buffering
104 $SIG{"INT"} = "ok1"; kill "INT",$$; sleep 1;
105 $SIG{"INT"} = "IGNORE"; kill "INT",$$; sleep 1; print "ok $t2\n";
106 $SIG{"INT"} = "DEFAULT"; kill "INT",$$; sleep 1; print" not ok $t2\n";
109 if (($x = pop(@_)) eq "INT") {
113 print "not ok $t1 ($x @_)\n";
121 open( CMDPIPE, "| $PERL");
122 print CMDPIPE "\$t3 = $tn[3];\n", <<'END';
133 $| = 1; # command buffering
136 local $SIG{"INT"}=x();
137 print ""; # Needed to expose failure in 5.8.0 (why?)
141 kill "INT",$$; sleep 1;
147 $? >>= 8 if $^O eq 'VMS'; # POSIX status hiding in 2nd byte
148 my $todo = ($^O eq 'os2' ? ' # TODO: EMX v0.9d_fix4 bug: wrong nibble? ' : '');
149 print $? & 0xFF ? "ok $tn[4]$todo\n" : "not ok $tn[4]$todo\n";
151 open(CMDPIPE, "| $PERL");
152 print CMDPIPE <<'END';
154 sub PVBM () { 'foo' }
161 kill "INT", $$; sleep 1;
164 $? >>= 8 if $^O eq 'VMS';
165 print $? ? "not ok $tn[5]\n" : "ok $tn[5]\n";
167 curr_test(curr_test() + 5);
171 @val1 = @ENV{keys(%ENV)};
172 @val2 = values(%ENV);
173 is join(':',@val1), join(':',@val2);
174 cmp_ok @val1, '>', 1;
177 'foobarbaz' =~ /b(a)r/;
186 qq < \@$_; q "fff" =~ /(?!^)./; print "[\$$_]\\n" >,
188 "referencing \@$_ before \$$_ etc. still saws off ampersands";
192 @a = qw(foo bar baz);
193 is "@a", "foo bar baz";
196 is "@a", "foo,bar,baz";
201 $h{'foo', 'bar'} = 1;
202 is((keys %h)[0], "foo\034bar");
206 $h{'foo', 'bar'} = 1;
207 is((keys %h)[0], 'fooxbar');
211 system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(0)"];
213 system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(1)"];
216 eval { die "foo\n" };
222 is $$, 42, '$$ can be modified';
224 skip "no fork", 1 unless $Config{d_fork};
225 (my $kidpid = open my $fh, "-|") // skip "cannot fork: $!", 1;
226 if($kidpid) { # parent
227 my $kiddollars = <$fh>;
228 close $fh or die "cannot close pipe from kid proc: $!";
229 is $kiddollars, $kidpid, '$$ is reset on fork';
233 $::NO_ENDING = 1; # silence "Looks like you only ran..."
237 $$ = $pid; # Tests below use $$
241 my $is_abs = $Config{d_procselfexe} || $Config{usekernprocpathname}
242 || $Config{usensgetexecutablepath};
244 chomp($wd = `/usr/bin/fullpath -t`);
246 elsif($Is_Cygwin || $is_abs) {
247 # Cygwin turns the symlink into the real file
250 $wd =~ /(.*)/; $wd = $1; # untaint
252 $wd = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($wd, 1));
256 $wd = Cwd::sys_cwd();
261 my $perl = $Is_VMS || $is_abs ? $^X : "$wd/perl";
263 my $middlemaybe = '';
265 $script = "$wd/show-shebang";
269 $perl = "$wd/perl.exe";
270 $script = "$wd/show-shebang.bat";
285 $script = "./show-shebang";
288 $script = "[]show-shebang";
291 $middlemaybe = <<'EOX'
292 $^X = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($^X, 1));
293 $0 = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($0, 1));
296 if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') { # no shebang
298 eval 'exec ./perl -S \$0 \${1+"\$\@"}'
302 $s1 = "\$^X is $perl, \$0 is $script\n";
303 ok open(SCRIPT, ">$script") or diag "Can't write to $script: $!";
304 ok print(SCRIPT $headmaybe . <<EOB . $middlemaybe . <<'EOF' . $tailmaybe) or diag $!;
307 print "\$^X is $^X, \$0 is $0\n";
309 ok close(SCRIPT) or diag $!;
310 ok chmod(0755, $script) or diag $!;
311 $_ = $Is_VMS ? `$perl $script` : `$script`;
312 s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2;
313 s{./$script}{$script} if $Is_BeOS; # revert BeOS execvp() side-effect
314 s{is perl}{is $perl}; # for systems where $^X is only a basename
316 if ($Is_MSWin32 || $Is_os2) {
321 $_ = `$perl $script`;
322 s/\.exe//i if $Is_Dos or $Is_os2 or $Is_Cygwin;
323 s{./$perl}{$perl} if $Is_BeOS; # revert BeOS execvp() side-effect
325 if ($Is_MSWin32 || $Is_os2) {
330 ok unlink($script) or diag $!;
332 # Could this be replaced with:
333 # unlink_all($script);
337 cmp_ok $], '>=', 5.00319;
339 cmp_ok $^T, '>', 850000000;
341 # Test change 25062 is working
342 my $orig_osname = $^O;
345 is $^O, $orig_osname, 'Assigning $^I does not clobber $^O';
351 foreach my $p (0, 1) {
352 fresh_perl_is(<<"EOP", '2 4 8', undef, "test \$^P = $p");
357 print "\$DB::single \$DB::trace \$DB::signal";
362 # Check that assigning to $0 on Linux sets the process name with both
363 # argv[0] assignment and by calling prctl()
366 skip "We don't have prctl() here", 2 unless $Config{d_prctl_set_name};
368 # We don't really need these tests. prctl() is tested in the
369 # Kernel, but test it anyway for our sanity. If something doesn't
370 # work (like if the system doesn't have a ps(1) for whatever
371 # reason) just bail out gracefully.
378 skip "Couldn't shell out to '$cmd', returned code $?", 2 if $?;
382 my $name = "Good Morning, Dave";
385 chomp(my $argv0 = $maybe_ps->("ps h $$"));
386 chomp(my $prctl = $maybe_ps->("ps hc $$"));
388 like($argv0, $name, "Set process name through argv[0] ($argv0)");
389 like($prctl, substr($name, 0, 15), "Set process name through prctl() ($prctl)");
396 local $SIG{'__WARN__'} = sub { $ok = 0; $warn = join '', @_; $warn =~ s/\n$//; };
398 local $TODO = $Is_VMS ? "'\$!=undef' does throw a warning" : '';
403 skip_if_miniperl("miniperl can't rely on loading %Errno", 2);
406 # Make sure Errno hasn't been prematurely autoloaded
410 # Test auto-loading of Errno when %! is used
419 skip_if_miniperl("miniperl can't rely on loading %Errno", 2);
420 # Make sure that Errno loading doesn't clobber $!
423 delete $INC{"Errno.pm"};
425 open(FOO, "nonesuch"); # Generate ENOENT
426 my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time
429 # Make sure defined(*{"!"}) before %! does not stop %! from working
432 prog => 'BEGIN { defined *{q-!-} } print qq-ok\n- if tied %!',
435 'defined *{"!"} does not stop %! from working';
438 # Check that we don't auto-load packages
440 skip "staticly linked; may be preloaded", 4 unless $Config{usedl};
441 foreach (['powie::!', 'Errno'],
442 ['powie::+', 'Tie::Hash::NamedCapture']) {
443 my ($symbol, $package) = @$_;
444 foreach my $scalar_first ('', '$$symbol;') {
445 my $desc = qq{Referencing %{"$symbol"}};
446 $desc .= qq{ after mentioning \${"$symbol"}} if $scalar_first;
447 $desc .= " doesn't load $package";
449 fresh_perl_is(<<"EOP", 0, {}, $desc);
450 use strict qw(vars subs);
451 my \$symbol = '$symbol';
454 print scalar %${package}::;
462 eval " BEGIN { ok ! defined \$^S } ";
465 my $taint = ${^TAINT};
466 is ${^TAINT}, $taint;
467 eval { ${^TAINT} = 1 };
468 is ${^TAINT}, $taint;
470 # 5.6.1 had a bug: @+ and @- were not properly interpolated
471 # into double-quoted strings
472 # 20020414 mjd-perl-patch+@plover.com
473 "I like pie" =~ /(I) (like) (pie)/;
475 is "@+", "10 1 6 10";
477 # Tests for the magic get of $\
490 $ok = "a$\b" eq "aa\0bb";
495 # Test for bug [perl #36434]
496 # Can not do this test on VMS, EPOC, and SYMBIAN according to comments
497 # in mg.c/Perl_magic_clear_all_env()
499 skip('Can\'t make assignment to \%ENV on this system', 3) if $Is_VMS;
503 # This used to be __PACKAGE__, but that causes recursive
504 # inheritance, which is detected earlier now and broke
506 eval { push @ISA, __FILE__ };
507 is $@, '', 'Push a constant on a magic array';
509 eval { %ENV = (PATH => __PACKAGE__) };
510 is $@, '', 'Assign a constant to a magic hash';
512 eval { my %h = qw(A B); %ENV = (PATH => (keys %h)[0]) };
513 is $@, '', 'Assign a shared key to a magic hash';
517 # Tests for Perl_magic_clearsig
518 foreach my $sig (qw(__WARN__ INT)) {
519 $SIG{$sig} = lc $sig;
520 is $SIG{$sig}, 'main::' . lc $sig, "Can assign to $sig";
521 is delete $SIG{$sig}, 'main::' . lc $sig, "Can delete from $sig";
522 is $SIG{$sig}, undef, "$sig is now gone";
523 is delete $SIG{$sig}, undef, "$sig remains gone";
526 # And now one which doesn't exist;
528 no warnings 'signal';
529 $SIG{HUNGRY} = 'mmm, pie';
531 is $SIG{HUNGRY}, 'mmm, pie', 'Can assign to HUNGRY';
532 is delete $SIG{HUNGRY}, 'mmm, pie', 'Can delete from HUNGRY';
533 is $SIG{HUNGRY}, undef, "HUNGRY is now gone";
534 is delete $SIG{HUNGRY}, undef, "HUNGRY remains gone";
536 # Test deleting signals that we never set
537 foreach my $sig (qw(__DIE__ _BOGUS_HOOK KILL THIRSTY)) {
538 is $SIG{$sig}, undef, "$sig is not present";
539 is delete $SIG{$sig}, undef, "delete of $sig returns undef";
544 is int $!, 9999, q{[perl #72850] Core dump in bleadperl from perl -e '$! = 9999; $a = $!;'};
550 skip_if_miniperl("No XS in miniperl", 2);
551 # Make sure defined(*{"+"}) before %+ does not stop %+ from working
554 prog => 'BEGIN { defined *{q-+-} } print qq-ok\n- if tied %+',
557 'defined *{"+"} does not stop %+ from working';
560 prog => 'BEGIN { defined *{q=-=} } print qq-ok\n- if tied %-',
563 'defined *{"-"} does not stop %- from working';
567 skip_if_miniperl("No XS in miniperl", 3);
569 for ( [qw( %- Tie::Hash::NamedCapture )], [qw( $[ arybase )],
571 my ($var, $mod) = @$_;
572 my $modfile = $mod =~ s|::|/|gr . ".pm";
574 qq 'sub UNIVERSAL::AUTOLOAD{}
577 print "ok\\n" if \$INC{"$modfile"}',
579 { switches => [ '-X' ] },
580 "$var still loads $mod when stash and UNIVERSAL::AUTOLOAD exist";
584 # ^^^^^^^^^ New tests go here ^^^^^^^^^
587 skip("%ENV manipulations fail or aren't safe on $^O", 4)
588 if $Is_VMS || $Is_Dos;
591 skip("clearing \%ENV is not safe when running under valgrind")
592 if $ENV{PERL_VALGRIND};
595 $PDL = $ENV{PERL_DESTRUCT_LEVEL} || 0;
599 $ENV{PERL_DESTRUCT_LEVEL} = $PDL || 0;
601 is `set foo 2>NUL`, "";
603 is `echo \$foo`, "\n";
607 $ENV{__NoNeSuCh} = "foo";
609 # cmd.exe will echo 'variable=value' but 4nt will echo just the value
612 like `set __NoNeSuCh`, qr/^(?:__NoNeSuCh=)?foo$/;
614 is `echo \$__NoNeSuCh`, "foo\n";
617 skip("\$0 check only on Linux and FreeBSD", 2)
618 unless $^O =~ /^(linux|freebsd)$/
619 && open CMDLINE, "/proc/$$/cmdline";
621 chomp(my $line = scalar <CMDLINE>);
622 my $me = (split /\0/, $line)[0];
623 is $me, $0, 'altering $0 is effective (testing with /proc/)';
626 my $mydollarzero = sub {
628 $0 = $arg if defined $arg;
629 # In FreeBSD the ps -o command= will cause
630 # an empty header line, grab only the last line.
631 my $ps = (`ps -o command= -p $$`)[-1];
634 printf "# 0[%s]ps[%s]\n", $0, $ps;
637 my $ps = $mydollarzero->("x");
638 ok(!$ps # we allow that something goes wrong with the ps command
639 # In Linux 2.4 we would get an exact match ($ps eq 'x') but
640 # in Linux 2.2 there seems to be something funny going on:
641 # it seems as if the original length of the argv[] would
642 # be stored in the proc struct and then used by ps(1),
643 # no matter what characters we use to pad the argv[].
644 # (And if we use \0:s, they are shown as spaces.) Sigh.
646 # FreeBSD cannot get rid of both the leading "perl :"
647 # and the trailing " (perl)": some FreeBSD versions
648 # can get rid of the first one.
649 || ($^O eq 'freebsd' && $ps =~ m/^(?:perl: )?x(?: \(perl\))?$/),
650 'altering $0 is effective (testing with `ps`)');
654 # test case-insignificance of %ENV (these tests must be enabled only
655 # when perl is compiled with -DENV_IS_CASELESS)
657 skip('no caseless %ENV support', 4) unless $Is_MSWin32 || $Is_NetWare;
662 is scalar(keys(%ENV)), 1;
663 ok exists $ENV{'FOo'};
664 is delete $ENV{'foO'}, 'baz';
665 is scalar(keys(%ENV)), 0;
670 # Put new tests before the various ENV tests, as they blow %ENV away.