[perl5.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..58\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';

$PERL = ($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..4;
}
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";

    $test += 4;
}

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