#!./perlprint "1..69\n";sub foo {    local($a, $b) = @_;    local($c, $d);    $c = "ok 3\n";    $d = "ok 4\n";    { local($a,$c) = ("ok 9\n", "ok 10\n"); ($x, $y) = ($a, $c); }    print $a, $b;    $c . $d;}$a = "ok 5\n";$b = "ok 6\n";$c = "ok 7\n";$d = "ok 8\n";print &foo("ok 1\n","ok 2\n");print $a,$b,$c,$d,$x,$y;# same thing, only with arrays and associative arrayssub foo2 {    local($a, @b) = @_;    local(@c, %d);    @c = "ok 13\n";    $d{''} = "ok 14\n";    { local($a,@c) = ("ok 19\n", "ok 20\n"); ($x, $y) = ($a, @c); }    print $a, @b;    $c[0] . $d{''};}$a = "ok 15\n";@b = "ok 16\n";@c = "ok 17\n";$d{''} = "ok 18\n";print &foo2("ok 11\n","ok 12\n");print $a,@b,@c,%d,$x,$y;eval 'local($$e)';print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 21\n";eval 'local(@$e)';print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 22\n";eval 'local(%$e)';print +($@ =~ /Can't localize through a reference/) ? "" : "not ", "ok 23\n";# Array and hash elements@a = ('a', 'b', 'c');{    local($a[1]) = 'foo';    local($a[2]) = $a[2];    print +($a[1] eq 'foo') ? "" : "not ", "ok 24\n";    print +($a[2] eq 'c') ? "" : "not ", "ok 25\n";    undef @a;}print +($a[1] eq 'b') ? "" : "not ", "ok 26\n";print +($a[2] eq 'c') ? "" : "not ", "ok 27\n";print +(!defined $a[0]) ? "" : "not ", "ok 28\n";@a = ('a', 'b', 'c');{    local($a[1]) = "X";    shift @a;}print +($a[0].$a[1] eq "Xb") ? "" : "not ", "ok 29\n";%h = ('a' => 1, 'b' => 2, 'c' => 3);{    local($h{'a'}) = 'foo';    local($h{'b'}) = $h{'b'};    print +($h{'a'} eq 'foo') ? "" : "not ", "ok 30\n";    print +($h{'b'} == 2) ? "" : "not ", "ok 31\n";    local($h{'c'});    delete $h{'c'};}print +($h{'a'} == 1) ? "" : "not ", "ok 32\n";print +($h{'b'} == 2) ? "" : "not ", "ok 33\n";print +($h{'c'} == 3) ? "" : "not ", "ok 34\n";# check for scope leakage$a = 'outer';if (1) { local $a = 'inner' }print +($a eq 'outer') ? "" : "not ", "ok 35\n";# see if localization works when scope unwindslocal $m = 5;eval {    for $m (6) {	local $m = 7;	die "bye";    }};print $m == 5 ? "" : "not ", "ok 36\n";# see if localization works on tied arrays{    package TA;    sub TIEARRAY { bless [], $_[0] }    sub STORE { print "# STORE [@_]\n"; $_[0]->[$_[1]] = $_[2] }    sub FETCH { my $v = $_[0]->[$_[1]]; print "# FETCH [@_=$v]\n"; $v }    sub CLEAR { print "# CLEAR [@_]\n"; @{$_[0]} = (); }    sub FETCHSIZE { scalar(@{$_[0]}) }    sub SHIFT { shift (@{$_[0]}) }    sub EXTEND {}}tie @a, 'TA';@a = ('a', 'b', 'c');{    local($a[1]) = 'foo';    local($a[2]) = $a[2];    print +($a[1] eq 'foo') ? "" : "not ", "ok 37\n";    print +($a[2] eq 'c') ? "" : "not ", "ok 38\n";    @a = ();}print +($a[1] eq 'b') ? "" : "not ", "ok 39\n";print +($a[2] eq 'c') ? "" : "not ", "ok 40\n";print +(!defined $a[0]) ? "" : "not ", "ok 41\n";{    package TH;    sub TIEHASH { bless {}, $_[0] }    sub STORE { print "# STORE [@_]\n"; $_[0]->{$_[1]} = $_[2] }    sub FETCH { my $v = $_[0]->{$_[1]}; print "# FETCH [@_=$v]\n"; $v }    sub DELETE { print "# DELETE [@_]\n"; delete $_[0]->{$_[1]}; }    sub CLEAR { print "# CLEAR [@_]\n"; %{$_[0]} = (); }}# see if localization works on tied hashestie %h, 'TH';%h = ('a' => 1, 'b' => 2, 'c' => 3);{    local($h{'a'}) = 'foo';    local($h{'b'}) = $h{'b'};    print +($h{'a'} eq 'foo') ? "" : "not ", "ok 42\n";    print +($h{'b'} == 2) ? "" : "not ", "ok 43\n";    local($h{'c'});    delete $h{'c'};}print +($h{'a'} == 1) ? "" : "not ", "ok 44\n";print +($h{'b'} == 2) ? "" : "not ", "ok 45\n";print +($h{'c'} == 3) ? "" : "not ", "ok 46\n";@a = ('a', 'b', 'c');{    local($a[1]) = "X";    shift @a;}print +($a[0].$a[1] eq "Xb") ? "" : "not ", "ok 47\n";# now try the same for %SIG$SIG{TERM} = 'foo';$SIG{INT} = \&foo;$SIG{__WARN__} = $SIG{INT};{    local($SIG{TERM}) = $SIG{TERM};    local($SIG{INT}) = $SIG{INT};    local($SIG{__WARN__}) = $SIG{__WARN__};    print +($SIG{TERM}		eq 'main::foo') ? "" : "not ", "ok 48\n";    print +($SIG{INT}		eq \&foo) ? "" : "not ", "ok 49\n";    print +($SIG{__WARN__}	eq \&foo) ? "" : "not ", "ok 50\n";    local($SIG{INT});    delete $SIG{__WARN__};}print +($SIG{TERM}	eq 'main::foo') ? "" : "not ", "ok 51\n";print +($SIG{INT}	eq \&foo) ? "" : "not ", "ok 52\n";print +($SIG{__WARN__}	eq \&foo) ? "" : "not ", "ok 53\n";# and for %ENV$ENV{_X_} = 'a';$ENV{_Y_} = 'b';$ENV{_Z_} = 'c';{    local($ENV{_X_}) = 'foo';    local($ENV{_Y_}) = $ENV{_Y_};    print +($ENV{_X_} eq 'foo') ? "" : "not ", "ok 54\n";    print +($ENV{_Y_} eq 'b') ? "" : "not ", "ok 55\n";    local($ENV{_Z_});    delete $ENV{_Z_};}print +($ENV{_X_} eq 'a') ? "" : "not ", "ok 56\n";print +($ENV{_Y_} eq 'b') ? "" : "not ", "ok 57\n";print +($ENV{_Z_} eq 'c') ? "" : "not ", "ok 58\n";# does implicit localization in foreach skip magic?$_ = "ok 59,ok 60,";my $iter = 0;while (/(o.+?),/gc) {    print "$1\n";    foreach (1..1) { $iter++ }    if ($iter > 2) { print "not ok 60\n"; last; }}{    package UnderScore;    sub TIESCALAR { bless \my $self, shift }    sub FETCH { die "read  \$_ forbidden" }    sub STORE { die "write \$_ forbidden" }    tie $_, __PACKAGE__;    my $t = 61;    my @tests = (	"Nesting"     => sub { print '#'; for (1..3) { print }			       print "\n" },			1,	"Reading"     => sub { print },				0,	"Matching"    => sub { $x = /badness/ },		0,	"Concat"      => sub { $_ .= "a" },			0,	"Chop"        => sub { chop },				0,	"Filetest"    => sub { -x },				0,	"Assignment"  => sub { $_ = "Bad" },			0,	# XXX whether next one should fail is debatable	"Local \$_"   => sub { local $_  = 'ok?'; print },	0,	"for local"   => sub { for("#ok?\n"){ print } },	1,    );    while ( ($name, $code, $ok) = splice(@tests, 0, 3) ) {	print "# Testing $name\n";	eval { &$code };	print(($ok xor $@) ? "ok $t\n" : "not ok $t\n");	++$t;    }    untie $_;}