[p5sagit/p5-mst-13.2.git] / t / op / magic.t

#!./perl

BEGIN {
    $| = 1;
    chdir 't' if -d 't';
    @INC = '../lib';
    $SIG{__WARN__} = sub { die "Dying on warning: ", @_ };
}

use warnings;
use Config;

my $test = 1;
sub ok {
    my($ok, $info, $todo) = @_;

    # You have to do it this way or VMS will get confused.
    printf "%s $test%s\n", $ok ? "ok" : "not ok",
                           $todo ? " # TODO $todo" : '';

    unless( $ok ) {
        printf "# Failed test at line %d\n", (caller)[2];
        print  "# $info\n" if defined $info;
    }

    $test++;
    return $ok;
}

sub skip {
    my($reason) = @_;

    printf "ok $test # skipped%s\n", defined $reason ? ": $reason" : '';

    $test++;
    return 1;
}

print "1..59\n";

$Is_MSWin32  = $^O eq 'MSWin32';
$Is_NetWare  = $^O eq 'NetWare';
$Is_VMS      = $^O eq 'VMS';
$Is_Dos      = $^O eq 'dos';
$Is_os2      = $^O eq 'os2';
$Is_Cygwin   = $^O eq 'cygwin';
$Is_MacOS    = $^O eq 'MacOS';
$Is_MPE      = $^O eq 'mpeix';		
$Is_miniperl = $ENV{PERL_CORE_MINITEST};
$Is_BeOS     = $^O eq 'beos';

$PERL = $ENV{PERL}
    || ($Is_NetWare           ? 'perl'   :
       ($Is_MacOS || $Is_VMS) ? $^X      :
       $Is_MSWin32            ? '.\perl' :
       './perl');

eval '$ENV{"FOO"} = "hi there";';	# check that ENV is inited inside eval
# cmd.exe will echo 'variable=value' but 4nt will echo just the value
# -- Nikola Knezevic
if ($Is_MSWin32)  { ok `set FOO` =~ /^(?:FOO=)?hi there$/; }
elsif ($Is_MacOS) { ok "1 # skipped", 1; }
elsif ($Is_VMS)   { ok `write sys\$output f\$trnlnm("FOO")` eq "hi there\n"; }
else              { ok `echo \$FOO` eq "hi there\n"; }

unlink 'ajslkdfpqjsjfk';
$! = 0;
open(FOO,'ajslkdfpqjsjfk');
ok $!, $!;
close FOO; # just mention it, squelch used-only-once

if ($Is_MSWin32 || $Is_NetWare || $Is_Dos || $Is_MPE || $Is_MacOS) {
    skip('SIGINT not safe on this platform') for 1..5;
}
else {
  # the next tests are done in a subprocess because sh spits out a
  # newline onto stderr when a child process kills itself with SIGINT.
  # We use a pipe rather than system() because the VMS command buffer
  # would overflow with a command that long.

    open( CMDPIPE, "| $PERL");

    print CMDPIPE <<'END';

    $| = 1;		# command buffering

    $SIG{"INT"} = "ok3";     kill "INT",$$; sleep 1;
    $SIG{"INT"} = "IGNORE";  kill "INT",$$; sleep 1; print "ok 4\n";
    $SIG{"INT"} = "DEFAULT"; kill "INT",$$; sleep 1; print "not ok 4\n";

    sub ok3 {
	if (($x = pop(@_)) eq "INT") {
	    print "ok 3\n";
	}
	else {
	    print "not ok 3 ($x @_)\n";
	}
    }

END

    close CMDPIPE;

    open( CMDPIPE, "| $PERL");
    print CMDPIPE <<'END';

    { package X;
	sub DESTROY {
	    kill "INT",$$;
	}
    }
    sub x {
	my $x=bless [], 'X';
	return sub { $x };
    }
    $| = 1;		# command buffering
    $SIG{"INT"} = "ok5";
    {
	local $SIG{"INT"}=x();
	print ""; # Needed to expose failure in 5.8.0 (why?)
    }
    sleep 1;
    delete $SIG{"INT"};
    kill "INT",$$; sleep 1;
    sub ok5 {
	print "ok 5\n";
    }
END
    close CMDPIPE;
    $? >>= 8 if $^O eq 'VMS'; # POSIX status hiding in 2nd byte
    my $todo = ($^O eq 'os2' ? ' # TODO: EMX v0.9d_fix4 bug: wrong nibble? ' : '');
    print $? & 0xFF ? "ok 6$todo\n" : "not ok 6$todo\n";

    open(CMDPIPE, "| $PERL");
    print CMDPIPE <<'END';

    sub PVBM () { 'foo' }
    index 'foo', PVBM;
    my $pvbm = PVBM;

    sub foo { exit 0 }

    $SIG{"INT"} = $pvbm;
    kill "INT", $$; sleep 1;
END
    close CMDPIPE;
    $? >>= 8 if $^O eq 'VMS';
    print $? ? "not ok 7\n" : "ok 7\n";

    $test += 5;
}

# can we slice ENV?
@val1 = @ENV{keys(%ENV)};
@val2 = values(%ENV);
ok join(':',@val1) eq join(':',@val2);
ok @val1 > 1;

# regex vars
'foobarbaz' =~ /b(a)r/;
ok $` eq 'foo', $`;
ok $& eq 'bar', $&;
ok $' eq 'baz', $';
ok $+ eq 'a', $+;

# $"
@a = qw(foo bar baz);
ok "@a" eq "foo bar baz", "@a";
{
    local $" = ',';
    ok "@a" eq "foo,bar,baz", "@a";
}

# $;
%h = ();
$h{'foo', 'bar'} = 1;
ok((keys %h)[0] eq "foo\034bar", (keys %h)[0]);
{
    local $; = 'x';
    %h = ();
    $h{'foo', 'bar'} = 1;
    ok((keys %h)[0] eq 'fooxbar', (keys %h)[0]);
}

# $?, $@, $$
if ($Is_MacOS) {
    skip('$? + system are broken on MacPerl') for 1..2;
}
else {
    system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(0)"];
    ok $? == 0, $?;
    system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(1)"];
    ok $? != 0, $?;
}

eval { die "foo\n" };
ok $@ eq "foo\n", $@;

ok $$ > 0, $$;
eval { $$++ };
ok $@ =~ /^Modification of a read-only value attempted/;

# $^X and $0
{
    if ($^O eq 'qnx') {
	chomp($wd = `/usr/bin/fullpath -t`);
    }
    elsif($Is_Cygwin || $Config{'d_procselfexe'}) {
       # Cygwin turns the symlink into the real file
       chomp($wd = `pwd`);
       $wd =~ s#/t$##;
       if ($Is_Cygwin) {
	   $wd = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($wd, 1));
       }
    }
    elsif($Is_os2) {
       $wd = Cwd::sys_cwd();
    }
    elsif($Is_MacOS) {
       $wd = ':';
    }
    else {
	$wd = '.';
    }
    my $perl = ($Is_MacOS || $Is_VMS) ? $^X : "$wd/perl";
    my $headmaybe = '';
    my $middlemaybe = '';
    my $tailmaybe = '';
    $script = "$wd/show-shebang";
    if ($Is_MSWin32) {
	chomp($wd = `cd`);
	$wd =~ s|\\|/|g;
	$perl = "$wd/perl.exe";
	$script = "$wd/show-shebang.bat";
	$headmaybe = <<EOH ;
\@rem ='
\@echo off
$perl -x \%0
goto endofperl
\@rem ';
EOH
	$tailmaybe = <<EOT ;

__END__
:endofperl
EOT
    }
    elsif ($Is_os2) {
      $script = "./show-shebang";
    }
    elsif ($Is_MacOS) {
      $script = ":show-shebang";
    }
    elsif ($Is_VMS) {
      $script = "[]show-shebang";
    }
    elsif ($Is_Cygwin) {
      $middlemaybe = <<'EOX'
$^X = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($^X, 1));
$0 = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($0, 1));
EOX
    }
    if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') {  # no shebang
	$headmaybe = <<EOH ;
    eval 'exec ./perl -S \$0 \${1+"\$\@"}'
        if 0;
EOH
    }
    $s1 = "\$^X is $perl, \$0 is $script\n";
    ok open(SCRIPT, ">$script"), $!;
    ok print(SCRIPT $headmaybe . <<EOB . $middlemaybe . <<'EOF' . $tailmaybe), $!;
#!$wd/perl
EOB
print "\$^X is $^X, \$0 is $0\n";
EOF
    ok close(SCRIPT), $!;
    ok chmod(0755, $script), $!;
    $_ = ($Is_MacOS || $Is_VMS) ? `$perl $script` : `$script`;
    s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2;
    s{./$script}{$script} if $Is_BeOS; # revert BeOS execvp() side-effect
    s{\bminiperl\b}{perl}; # so that test doesn't fail with miniperl
    s{is perl}{is $perl}; # for systems where $^X is only a basename
    s{\\}{/}g;
    ok((($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1:");
    $_ = `$perl $script`;
    s/\.exe//i if $Is_Dos or $Is_os2 or $Is_Cygwin;
    s{./$perl}{$perl} if $Is_BeOS; # revert BeOS execvp() side-effect
    s{\\}{/}g;
    ok((($Is_MSWin32 || $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1: after `$perl $script`");
    ok unlink($script), $!;
}

# $], $^O, $^T
ok $] >= 5.00319, $];
ok $^O;
ok $^T > 850000000, $^T;

# Test change 25062 is working
my $orig_osname = $^O;
{
local $^I = '.bak';
ok($^O eq $orig_osname, 'Assigning $^I does not clobber $^O');
}
$^O = $orig_osname;

if ($Is_VMS || $Is_Dos || $Is_MacOS) {
    skip("%ENV manipulations fail or aren't safe on $^O") for 1..4;
}
else {
	if ($ENV{PERL_VALGRIND}) {
	    skip("clearing \%ENV is not safe when running under valgrind");
	} else {
	    $PATH = $ENV{PATH};
	    $PDL = $ENV{PERL_DESTRUCT_LEVEL} || 0;
	    $ENV{foo} = "bar";
	    %ENV = ();
	    $ENV{PATH} = $PATH;
	    $ENV{PERL_DESTRUCT_LEVEL} = $PDL || 0;
	    ok ($Is_MSWin32 ? (`set foo 2>NUL` eq "")
			    : (`echo \$foo` eq "\n") );
	}

	$ENV{__NoNeSuCh} = "foo";
	$0 = "bar";
# cmd.exe will echo 'variable=value' but 4nt will echo just the value
# -- Nikola Knezevic
       ok ($Is_MSWin32 ? (`set __NoNeSuCh` =~ /^(?:__NoNeSuCh=)?foo$/)
			    : (`echo \$__NoNeSuCh` eq "foo\n") );
	if ($^O =~ /^(linux|freebsd)$/ &&
	    open CMDLINE, "/proc/$$/cmdline") {
	    chomp(my $line = scalar <CMDLINE>);
	    my $me = (split /\0/, $line)[0];
	    ok($me eq $0, 'altering $0 is effective (testing with /proc/)');
	    close CMDLINE;
            # perlbug #22811
            my $mydollarzero = sub {
              my($arg) = shift;
              $0 = $arg if defined $arg;
	      # In FreeBSD the ps -o command= will cause
	      # an empty header line, grab only the last line.
              my $ps = (`ps -o command= -p $$`)[-1];
              return if $?;
              chomp $ps;
              printf "# 0[%s]ps[%s]\n", $0, $ps;
              $ps;
            };
            my $ps = $mydollarzero->("x");
            ok(!$ps  # we allow that something goes wrong with the ps command
	       # In Linux 2.4 we would get an exact match ($ps eq 'x') but
	       # in Linux 2.2 there seems to be something funny going on:
	       # it seems as if the original length of the argv[] would
	       # be stored in the proc struct and then used by ps(1),
	       # no matter what characters we use to pad the argv[].
	       # (And if we use \0:s, they are shown as spaces.)  Sigh.
               || $ps =~ /^x\s*$/
	       # FreeBSD cannot get rid of both the leading "perl :"
	       # and the trailing " (perl)": some FreeBSD versions
	       # can get rid of the first one.
	       || ($^O eq 'freebsd' && $ps =~ m/^(?:perl: )?x(?: \(perl\))?$/),
		       'altering $0 is effective (testing with `ps`)');
	} else {
	    skip("\$0 check only on Linux and FreeBSD") for 0, 1;
	}
}

{
    my $ok = 1;
    my $warn = '';
    local $SIG{'__WARN__'} = sub { $ok = 0; $warn = join '', @_; };
    $! = undef;
    ok($ok, $warn, $Is_VMS ? "'\$!=undef' does throw a warning" : '');
}

# test case-insignificance of %ENV (these tests must be enabled only
# when perl is compiled with -DENV_IS_CASELESS)
if ($Is_MSWin32 || $Is_NetWare) {
    %ENV = ();
    $ENV{'Foo'} = 'bar';
    $ENV{'fOo'} = 'baz';
    ok (scalar(keys(%ENV)) == 1);
    ok exists($ENV{'FOo'});
    ok (delete($ENV{'foO'}) eq 'baz');
    ok (scalar(keys(%ENV)) == 0);
}
else {
    skip('no caseless %ENV support') for 1..4;
}

if ($Is_miniperl) {
    skip ("miniperl can't rely on loading %Errno") for 1..2;
} else {
   no warnings 'void';

# Make sure Errno hasn't been prematurely autoloaded

   ok !keys %Errno::;

# Test auto-loading of Errno when %! is used

   ok scalar eval q{
      %!;
      defined %Errno::;
   }, $@;
}

if ($Is_miniperl) {
    skip ("miniperl can't rely on loading %Errno");
} else {
    # Make sure that Errno loading doesn't clobber $!

    undef %Errno::;
    delete $INC{"Errno.pm"};

    open(FOO, "nonesuch"); # Generate ENOENT
    my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time
    ok ${"!"}{ENOENT};
}

ok $^S == 0 && defined $^S;
eval { ok $^S == 1 };
eval " BEGIN { ok ! defined \$^S } ";
ok $^S == 0 && defined $^S;

ok ${^TAINT} == 0;
eval { ${^TAINT} = 1 };
ok ${^TAINT} == 0;

# 5.6.1 had a bug: @+ and @- were not properly interpolated
# into double-quoted strings
# 20020414 mjd-perl-patch+@plover.com
"I like pie" =~ /(I) (like) (pie)/;
ok "@-" eq  "0 0 2 7";
ok "@+" eq "10 1 6 10";

# Tests for the magic get of $\
{
    my $ok = 0;
    # [perl #19330]
    {
	local $\ = undef;
	$\++; $\++;
	$ok = $\ eq 2;
    }
    ok $ok;
    $ok = 0;
    {
	local $\ = "a\0b";
	$ok = "a$\b" eq "aa\0bb";
    }
    ok $ok;
}

# Test for bug [perl #27839]
{
    my $x;
    sub f {
	"abc" =~ /(.)./;
	$x = "@+";
	return @+;
    };
    my @y = f();
    ok( $x eq "@y", "return a magic array ($x) vs (@y)" );
}

# Test for bug [perl #36434]
if (!$Is_VMS) {
    local @ISA;
    local %ENV;
    # This used to be __PACKAGE__, but that causes recursive
    #  inheritance, which is detected earlier now and broke
    #  this test
    eval { push @ISA, __FILE__ };
    ok( $@ eq '', 'Push a constant on a magic array');
    $@ and print "# $@";
    eval { %ENV = (PATH => __PACKAGE__) };
    ok( $@ eq '', 'Assign a constant to a magic hash');
    $@ and print "# $@";
    eval { my %h = qw(A B); %ENV = (PATH => (keys %h)[0]) };
    ok( $@ eq '', 'Assign a shared key to a magic hash');
    $@ and print "# $@";
}
else {
# Can not do this test on VMS, EPOC, and SYMBIAN according to comments
# in mg.c/Perl_magic_clear_all_env()
#
    skip('Can\'t make assignment to \%ENV on this system') for 1..3;
}
Commit	Line	Data
8d063cd8	1	#!./perl
8d063cd8	2
90ce63d5	3	BEGIN {
90ce63d5	4	$\| = 1;
90ce63d5	5	chdir 't' if -d 't';
20822f61	6	@INC = '../lib';
774d564b	7	$SIG{__WARN__} = sub { die "Dying on warning: ", @_ };
90ce63d5	8	}
8d063cd8	9
9f1b1f2d	10	use warnings;
04fee9b5	11	use Config;
9f1b1f2d	12
0bee926d	13	my $test = 1;
90ce63d5	14	sub ok {
0bee926d	15	my($ok, $info, $todo) = @_;
	16
	17	# You have to do it this way or VMS will get confused.
	18	printf "%s $test%s\n", $ok ? "ok" : "not ok",
	19	$todo ? " # TODO $todo" : '';
	20
	21	unless( $ok ) {
	22	printf "# Failed test at line %d\n", (caller)[2];
09fdc078	23	print "# $info\n" if defined $info;
90ce63d5	24	}
0bee926d	25
	26	$test++;
	27	return $ok;
	28	}
	29
	30	sub skip {
	31	my($reason) = @_;
	32
	33	printf "ok $test # skipped%s\n", defined $reason ? ": $reason" : '';
	34
	35	$test++;
	36	return 1;
90ce63d5	37	}
90ce63d5	38
6e592b3a	39	print "1..59\n";
0bee926d	40
43651d81	41	$Is_MSWin32 = $^O eq 'MSWin32';
	42	$Is_NetWare = $^O eq 'NetWare';
	43	$Is_VMS = $^O eq 'VMS';
	44	$Is_Dos = $^O eq 'dos';
	45	$Is_os2 = $^O eq 'os2';
	46	$Is_Cygwin = $^O eq 'cygwin';
	47	$Is_MacOS = $^O eq 'MacOS';
	48	$Is_MPE = $^O eq 'mpeix';
	49	$Is_miniperl = $ENV{PERL_CORE_MINITEST};
dbc1d986	50	$Is_BeOS = $^O eq 'beos';
be708cc0	51
c8d62b71	52	$PERL = $ENV{PERL}
	53	\|\| ($Is_NetWare ? 'perl' :
	54	($Is_MacOS \|\| $Is_VMS) ? $^X :
	55	$Is_MSWin32 ? '.\perl' :
	56	'./perl');
68dc0745	57
39e571d4	58	eval '$ENV{"FOO"} = "hi there";'; # check that ENV is inited inside eval
26f6e342	59	# cmd.exe will echo 'variable=value' but 4nt will echo just the value
26f6e342	60	# -- Nikola Knezevic
8efe09f7	61	if ($Is_MSWin32) { ok `set FOO` =~ /^(?:FOO=)?hi there$/; }
be708cc0	62	elsif ($Is_MacOS) { ok "1 # skipped", 1; }
c363d00c	63	elsif ($Is_VMS) { ok `write sys\$output f\$trnlnm("FOO")` eq "hi there\n"; }
be708cc0	64	else { ok `echo \$FOO` eq "hi there\n"; }
8d063cd8	65
bf38876a	66	unlink 'ajslkdfpqjsjfk';
8d063cd8	67	$! = 0;
90ce63d5	68	open(FOO,'ajslkdfpqjsjfk');
0bee926d	69	ok $!, $!;
90ce63d5	70	close FOO; # just mention it, squelch used-only-once
8d063cd8	71
be708cc0	72	if ($Is_MSWin32 \|\| $Is_NetWare \|\| $Is_Dos \|\| $Is_MPE \|\| $Is_MacOS) {
a782d47c	73	skip('SIGINT not safe on this platform') for 1..5;
68dc0745	74	}
68dc0745	75	else {
c363d00c	76	# the next tests are done in a subprocess because sh spits out a
c363d00c	77	# newline onto stderr when a child process kills itself with SIGINT.
04fee9b5	78	# We use a pipe rather than system() because the VMS command buffer
c363d00c	79	# would overflow with a command that long.
	80
	81	open( CMDPIPE, "\| $PERL");
	82
	83	print CMDPIPE <<'END';
378cc40b	84
79072805	85	$\| = 1; # command buffering
378cc40b	86
b715f106	87	$SIG{"INT"} = "ok3"; kill "INT",$$; sleep 1;
b715f106	88	$SIG{"INT"} = "IGNORE"; kill "INT",$$; sleep 1; print "ok 4\n";
0bee926d	89	$SIG{"INT"} = "DEFAULT"; kill "INT",$$; sleep 1; print "not ok 4\n";
79072805	90
	91	sub ok3 {
	92	if (($x = pop(@_)) eq "INT") {
	93	print "ok 3\n";
	94	}
	95	else {
652ed9f8	96	print "not ok 3 ($x @_)\n";
79072805	97	}
	98	}
	99
	100	END
c363d00c	101
	102	close CMDPIPE;
	103
2d4fcd5e	104	open( CMDPIPE, "\| $PERL");
	105	print CMDPIPE <<'END';
	106
	107	{ package X;
	108	sub DESTROY {
	109	kill "INT",$$;
	110	}
	111	}
	112	sub x {
	113	my $x=bless [], 'X';
	114	return sub { $x };
	115	}
	116	$\| = 1; # command buffering
	117	$SIG{"INT"} = "ok5";
	118	{
	119	local $SIG{"INT"}=x();
	120	print ""; # Needed to expose failure in 5.8.0 (why?)
	121	}
	122	sleep 1;
	123	delete $SIG{"INT"};
	124	kill "INT",$$; sleep 1;
	125	sub ok5 {
	126	print "ok 5\n";
	127	}
	128	END
	129	close CMDPIPE;
bb4e15c8	130	$? >>= 8 if $^O eq 'VMS'; # POSIX status hiding in 2nd byte
639cf43b	131	my $todo = ($^O eq 'os2' ? ' # TODO: EMX v0.9d_fix4 bug: wrong nibble? ' : '');
639cf43b	132	print $? & 0xFF ? "ok 6$todo\n" : "not ok 6$todo\n";
2d4fcd5e	133
6e592b3a	134	open(CMDPIPE, "\| $PERL");
	135	print CMDPIPE <<'END';
	136
	137	sub PVBM () { 'foo' }
	138	index 'foo', PVBM;
	139	my $pvbm = PVBM;
	140
	141	sub foo { exit 0 }
	142
	143	$SIG{"INT"} = $pvbm;
	144	kill "INT", $$; sleep 1;
	145	END
	146	close CMDPIPE;
	147	$? >>= 8 if $^O eq 'VMS';
	148	print $? ? "not ok 7\n" : "ok 7\n";
	149
	150	$test += 5;
68dc0745	151	}
a687059c	152
68dc0745	153	# can we slice ENV?
68dc0745	154	@val1 = @ENV{keys(%ENV)};
a687059c	155	@val2 = values(%ENV);
0bee926d	156	ok join(':',@val1) eq join(':',@val2);
0bee926d	157	ok @val1 > 1;
90ce63d5	158
	159	# regex vars
	160	'foobarbaz' =~ /b(a)r/;
0bee926d	161	ok $` eq 'foo', $`;
	162	ok $& eq 'bar', $&;
	163	ok $' eq 'baz', $';
	164	ok $+ eq 'a', $+;
90ce63d5	165
	166	# $"
	167	@a = qw(foo bar baz);
0bee926d	168	ok "@a" eq "foo bar baz", "@a";
90ce63d5	169	{
90ce63d5	170	local $" = ',';
0bee926d	171	ok "@a" eq "foo,bar,baz", "@a";
90ce63d5	172	}
a687059c	173
90ce63d5	174	# $;
	175	%h = ();
	176	$h{'foo', 'bar'} = 1;
0bee926d	177	ok((keys %h)[0] eq "foo\034bar", (keys %h)[0]);
90ce63d5	178	{
	179	local $; = 'x';
	180	%h = ();
	181	$h{'foo', 'bar'} = 1;
0bee926d	182	ok((keys %h)[0] eq 'fooxbar', (keys %h)[0]);
90ce63d5	183	}
ed6116ce	184
90ce63d5	185	# $?, $@, $$
dc459aad	186	if ($Is_MacOS) {
	187	skip('$? + system are broken on MacPerl') for 1..2;
	188	}
	189	else {
	190	system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(0)"];
	191	ok $? == 0, $?;
	192	system qq[$PERL "-I../lib" -e "use vmsish qw(hushed); exit(1)"];
	193	ok $? != 0, $?;
	194	}
90ce63d5	195
90ce63d5	196	eval { die "foo\n" };
0bee926d	197	ok $@ eq "foo\n", $@;
90ce63d5	198
0bee926d	199	ok $$ > 0, $$;
306196c3	200	eval { $$++ };
306196c3	201	ok $@ =~ /^Modification of a read-only value attempted/;
90ce63d5	202
90ce63d5	203	# $^X and $0
ed37317b	204	{
3e3baf6d	205	if ($^O eq 'qnx') {
7fbf1995	206	chomp($wd = `/usr/bin/fullpath -t`);
68dc0745	207	}
04fee9b5	208	elsif($Is_Cygwin \|\| $Config{'d_procselfexe'}) {
1cab015a	209	# Cygwin turns the symlink into the real file
	210	chomp($wd = `pwd`);
	211	$wd =~ s#/t$##;
6178c52a	212	if ($Is_Cygwin) {
	213	$wd = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($wd, 1));
	214	}
1cab015a	215	}
ed344e4f	216	elsif($Is_os2) {
	217	$wd = Cwd::sys_cwd();
	218	}
be708cc0	219	elsif($Is_MacOS) {
	220	$wd = ':';
	221	}
68dc0745	222	else {
	223	$wd = '.';
	224	}
c363d00c	225	my $perl = ($Is_MacOS \|\| $Is_VMS) ? $^X : "$wd/perl";
ed37317b	226	my $headmaybe = '';
6178c52a	227	my $middlemaybe = '';
ed37317b	228	my $tailmaybe = '';
68dc0745	229	$script = "$wd/show-shebang";
ed37317b	230	if ($Is_MSWin32) {
ed37317b	231	chomp($wd = `cd`);
8ac9c18d	232	$wd =~ s\|\\\|/\|g;
	233	$perl = "$wd/perl.exe";
	234	$script = "$wd/show-shebang.bat";
ed37317b	235	$headmaybe = <<EOH ;
	236	\@rem ='
	237	\@echo off
	238	$perl -x \%0
	239	goto endofperl
	240	\@rem ';
	241	EOH
	242	$tailmaybe = <<EOT ;
	243
	244	__END__
	245	:endofperl
	246	EOT
	247	}
ed344e4f	248	elsif ($Is_os2) {
	249	$script = "./show-shebang";
	250	}
be708cc0	251	elsif ($Is_MacOS) {
	252	$script = ":show-shebang";
	253	}
c363d00c	254	elsif ($Is_VMS) {
c363d00c	255	$script = "[]show-shebang";
be708cc0	256	}
6178c52a	257	elsif ($Is_Cygwin) {
	258	$middlemaybe = <<'EOX'
	259	$^X = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($^X, 1));
	260	$0 = Cygwin::win_to_posix_path(Cygwin::posix_to_win_path($0, 1));
	261	EOX
	262	}
a1a0e61e	263	if ($^O eq 'os390' or $^O eq 'posix-bc' or $^O eq 'vmesa') { # no shebang
9d116dd7	264	$headmaybe = <<EOH ;
	265	eval 'exec ./perl -S \$0 \${1+"\$\@"}'
	266	if 0;
	267	EOH
	268	}
2eecd615	269	$s1 = "\$^X is $perl, \$0 is $script\n";
0bee926d	270	ok open(SCRIPT, ">$script"), $!;
6178c52a	271	ok print(SCRIPT $headmaybe . <<EOB . $middlemaybe . <<'EOF' . $tailmaybe), $!;
774d564b	272	#!$wd/perl
774d564b	273	EOB
90ce63d5	274	print "\$^X is $^X, \$0 is $0\n";
90ce63d5	275	EOF
0bee926d	276	ok close(SCRIPT), $!;
0bee926d	277	ok chmod(0755, $script), $!;
c363d00c	278	$_ = ($Is_MacOS \|\| $Is_VMS) ? `$perl $script` : `$script`;
ed344e4f	279	s/\.exe//i if $Is_Dos or $Is_Cygwin or $Is_os2;
dbc1d986	280	s{./$script}{$script} if $Is_BeOS; # revert BeOS execvp() side-effect
68dc0745	281	s{\bminiperl\b}{perl}; # so that test doesn't fail with miniperl
ed37317b	282	s{is perl}{is $perl}; # for systems where $^X is only a basename
a6c40364	283	s{\\}{/}g;
0bee926d	284	ok((($Is_MSWin32 \|\| $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1:");
ed37317b	285	$_ = `$perl $script`;
4bbb7126	286	s/\.exe//i if $Is_Dos or $Is_os2 or $Is_Cygwin;
dbc1d986	287	s{./$perl}{$perl} if $Is_BeOS; # revert BeOS execvp() side-effect
a6c40364	288	s{\\}{/}g;
0bee926d	289	ok((($Is_MSWin32 \|\| $Is_os2) ? uc($_) eq uc($s1) : $_ eq $s1), " :$_:!=:$s1: after `$perl $script`");
22fc9b38	290	ok unlink($script), $!;
68dc0745	291	}
ed6116ce	292
90ce63d5	293	# $], $^O, $^T
0bee926d	294	ok $] >= 5.00319, $];
	295	ok $^O;
	296	ok $^T > 850000000, $^T;
66b1d557	297
881ddac4	298	# Test change 25062 is working
	299	my $orig_osname = $^O;
	300	{
	301	local $^I = '.bak';
	302	ok($^O eq $orig_osname, 'Assigning $^I does not clobber $^O');
	303	}
	304	$^O = $orig_osname;
	305
be708cc0	306	if ($Is_VMS \|\| $Is_Dos \|\| $Is_MacOS) {
44d95355	307	skip("%ENV manipulations fail or aren't safe on $^O") for 1..4;
66b1d557	308	}
66b1d557	309	else {
da51b73c	310	if ($ENV{PERL_VALGRIND}) {
	311	skip("clearing \%ENV is not safe when running under valgrind");
	312	} else {
	313	$PATH = $ENV{PATH};
	314	$PDL = $ENV{PERL_DESTRUCT_LEVEL} \|\| 0;
	315	$ENV{foo} = "bar";
	316	%ENV = ();
	317	$ENV{PATH} = $PATH;
	318	$ENV{PERL_DESTRUCT_LEVEL} = $PDL \|\| 0;
	319	ok ($Is_MSWin32 ? (`set foo 2>NUL` eq "")
	320	: (`echo \$foo` eq "\n") );
	321	}
3e3baf6d	322
ec00bdd8	323	$ENV{__NoNeSuCh} = "foo";
3e3baf6d	324	$0 = "bar";
26f6e342	325	# cmd.exe will echo 'variable=value' but 4nt will echo just the value
26f6e342	326	# -- Nikola Knezevic
8efe09f7	327	ok ($Is_MSWin32 ? (`set __NoNeSuCh` =~ /^(?:__NoNeSuCh=)?foo$/)
ec00bdd8	328	: (`echo \$__NoNeSuCh` eq "foo\n") );
09fdc078	329	if ($^O =~ /^(linux\|freebsd)$/ &&
	330	open CMDLINE, "/proc/$$/cmdline") {
	331	chomp(my $line = scalar <CMDLINE>);
	332	my $me = (split /\0/, $line)[0];
ecce83c2	333	ok($me eq $0, 'altering $0 is effective (testing with /proc/)');
09fdc078	334	close CMDLINE;
ecce83c2	335	# perlbug #22811
	336	my $mydollarzero = sub {
	337	my($arg) = shift;
	338	$0 = $arg if defined $arg;
fbd3c14b	339	# In FreeBSD the ps -o command= will cause
	340	# an empty header line, grab only the last line.
	341	my $ps = (`ps -o command= -p $$`)[-1];
ecce83c2	342	return if $?;
	343	chomp $ps;
	344	printf "# 0[%s]ps[%s]\n", $0, $ps;
	345	$ps;
	346	};
	347	my $ps = $mydollarzero->("x");
e26ae24d	348	ok(!$ps # we allow that something goes wrong with the ps command
80bca1b4	349	# In Linux 2.4 we would get an exact match ($ps eq 'x') but
	350	# in Linux 2.2 there seems to be something funny going on:
	351	# it seems as if the original length of the argv[] would
	352	# be stored in the proc struct and then used by ps(1),
	353	# no matter what characters we use to pad the argv[].
	354	# (And if we use \0:s, they are shown as spaces.) Sigh.
	355	\|\| $ps =~ /^x\s*$/
6a4647a3	356	# FreeBSD cannot get rid of both the leading "perl :"
	357	# and the trailing " (perl)": some FreeBSD versions
	358	# can get rid of the first one.
d2e0b13f	359	\|\| ($^O eq 'freebsd' && $ps =~ m/^(?:perl: )?x(?: \(perl\))?$/),
e26ae24d	360	'altering $0 is effective (testing with `ps`)');
09fdc078	361	} else {
651aa52e	362	skip("\$0 check only on Linux and FreeBSD") for 0, 1;
09fdc078	363	}
66b1d557	364	}
3e3baf6d	365
c7213721	366	{
a45269de	367	my $ok = 1;
	368	my $warn = '';
	369	local $SIG{'__WARN__'} = sub { $ok = 0; $warn = join '', @_; };
78987ded	370	$! = undef;
a45269de	371	ok($ok, $warn, $Is_VMS ? "'\$!=undef' does throw a warning" : '');
78987ded	372	}
78987ded	373
902173a3	374	# test case-insignificance of %ENV (these tests must be enabled only
902173a3	375	# when perl is compiled with -DENV_IS_CASELESS)
2986a63f	376	if ($Is_MSWin32 \|\| $Is_NetWare) {
902173a3	377	%ENV = ();
	378	$ENV{'Foo'} = 'bar';
	379	$ENV{'fOo'} = 'baz';
0bee926d	380	ok (scalar(keys(%ENV)) == 1);
	381	ok exists($ENV{'FOo'});
	382	ok (delete($ENV{'foO'}) eq 'baz');
	383	ok (scalar(keys(%ENV)) == 0);
902173a3	384	}
902173a3	385	else {
0bee926d	386	skip('no caseless %ENV support') for 1..4;
902173a3	387	}
d2c93421	388
43651d81	389	if ($Is_miniperl) {
13b238e6	390	skip ("miniperl can't rely on loading %Errno") for 1..2;
43651d81	391	} else {
126c71c8	392	no warnings 'void';
126c71c8	393
d2c93421	394	# Make sure Errno hasn't been prematurely autoloaded
d2c93421	395
b79f7545	396	ok !keys %Errno::;
d2c93421	397
	398	# Test auto-loading of Errno when %! is used
	399
126c71c8	400	ok scalar eval q{
	401	%!;
	402	defined %Errno::;
	403	}, $@;
	404	}
d2c93421	405
43651d81	406	if ($Is_miniperl) {
	407	skip ("miniperl can't rely on loading %Errno");
	408	} else {
	409	# Make sure that Errno loading doesn't clobber $!
d2c93421	410
43651d81	411	undef %Errno::;
43651d81	412	delete $INC{"Errno.pm"};
d2c93421	413
43651d81	414	open(FOO, "nonesuch"); # Generate ENOENT
	415	my %errs = %{"!"}; # Cause Errno.pm to be loaded at run-time
	416	ok ${"!"}{ENOENT};
	417	}
a4268c0a	418
b0e6f864	419	ok $^S == 0 && defined $^S;
0bee926d	420	eval { ok $^S == 1 };
b0e6f864	421	eval " BEGIN { ok ! defined \$^S } ";
b0e6f864	422	ok $^S == 0 && defined $^S;
7c36658b	423
	424	ok ${^TAINT} == 0;
	425	eval { ${^TAINT} = 1 };
	426	ok ${^TAINT} == 0;
9aa702ec	427
	428	# 5.6.1 had a bug: @+ and @- were not properly interpolated
	429	# into double-quoted strings
	430	# 20020414 mjd-perl-patch+@plover.com
b64ebf53	431	"I like pie" =~ /(I) (like) (pie)/;
	432	ok "@-" eq "0 0 2 7";
	433	ok "@+" eq "10 1 6 10";
9aa702ec	434
f28098ff	435	# Tests for the magic get of $\
	436	{
	437	my $ok = 0;
	438	# [perl #19330]
	439	{
	440	local $\ = undef;
	441	$\++; $\++;
	442	$ok = $\ eq 2;
	443	}
	444	ok $ok;
	445	$ok = 0;
	446	{
	447	local $\ = "a\0b";
	448	$ok = "a$\b" eq "aa\0bb";
	449	}
	450	ok $ok;
	451	}
547d1dd8	452
	453	# Test for bug [perl #27839]
	454	{
	455	my $x;
	456	sub f {
	457	"abc" =~ /(.)./;
	458	$x = "@+";
	459	return @+;
	460	};
	461	my @y = f();
	462	ok( $x eq "@y", "return a magic array ($x) vs (@y)" );
	463	}
4c9140ed	464
4c9140ed	465	# Test for bug [perl #36434]
5ec759d9	466	if (!$Is_VMS) {
4c9140ed	467	local @ISA;
4c9140ed	468	local %ENV;
e1a479c5	469	# This used to be __PACKAGE__, but that causes recursive
	470	# inheritance, which is detected earlier now and broke
	471	# this test
	472	eval { push @ISA, __FILE__ };
d8084ca5	473	ok( $@ eq '', 'Push a constant on a magic array');
4c9140ed	474	$@ and print "# $@";
4c9140ed	475	eval { %ENV = (PATH => __PACKAGE__) };
d8084ca5	476	ok( $@ eq '', 'Assign a constant to a magic hash');
	477	$@ and print "# $@";
	478	eval { my %h = qw(A B); %ENV = (PATH => (keys %h)[0]) };
	479	ok( $@ eq '', 'Assign a shared key to a magic hash');
4c9140ed	480	$@ and print "# $@";
4c9140ed	481	}
5ec759d9	482	else {
	483	# Can not do this test on VMS, EPOC, and SYMBIAN according to comments
	484	# in mg.c/Perl_magic_clear_all_env()
	485	#
	486	skip('Can\'t make assignment to \%ENV on this system') for 1..3;
	487	}