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

#!./perl

#
# test method calls and autoloading.
#

BEGIN {
    chdir 't' if -d 't';
    @INC = qw(. ../lib);
    require "test.pl";
}

print "1..78\n";

@A::ISA = 'B';
@B::ISA = 'C';

sub C::d {"C::d"}
sub D::d {"D::d"}

# First, some basic checks of method-calling syntax:
$obj = bless [], "Pack";
sub Pack::method { shift; join(",", "method", @_) }
$mname = "method";

is(Pack->method("a","b","c"), "method,a,b,c");
is(Pack->$mname("a","b","c"), "method,a,b,c");
is(method Pack ("a","b","c"), "method,a,b,c");
is((method Pack "a","b","c"), "method,a,b,c");

is(Pack->method(), "method");
is(Pack->$mname(), "method");
is(method Pack (), "method");
is(Pack->method, "method");
is(Pack->$mname, "method");
is(method Pack, "method");

is($obj->method("a","b","c"), "method,a,b,c");
is($obj->$mname("a","b","c"), "method,a,b,c");
is((method $obj ("a","b","c")), "method,a,b,c");
is((method $obj "a","b","c"), "method,a,b,c");

is($obj->method(0), "method,0");
is($obj->method(1), "method,1");

is($obj->method(), "method");
is($obj->$mname(), "method");
is((method $obj ()), "method");
is($obj->method, "method");
is($obj->$mname, "method");
is(method $obj, "method");

is( A->d, "C::d");		# Update hash table;

*B::d = \&D::d;			# Import now.
is(A->d, "D::d");		# Update hash table;

{
    local @A::ISA = qw(C);	# Update hash table with split() assignment
    is(A->d, "C::d");
    $#A::ISA = -1;
    is(eval { A->d } || "fail", "fail");
}
is(A->d, "D::d");

{
    local *B::d;
    eval 'sub B::d {"B::d1"}';	# Import now.
    is(A->d, "B::d1");	# Update hash table;
    undef &B::d;
    is((eval { A->d }, ($@ =~ /Undefined subroutine/)), 1);
}

is(A->d, "D::d");		# Back to previous state

eval 'sub B::d {"B::d2"}';	# Import now.
is(A->d, "B::d2");		# Update hash table;

# What follows is hardly guarantied to work, since the names in scripts
# are already linked to "pruned" globs. Say, `undef &B::d' if it were
# after `delete $B::{d}; sub B::d {}' would reach an old subroutine.

undef &B::d;
delete $B::{d};
is(A->d, "C::d");		# Update hash table;

eval 'sub B::d {"B::d3"}';	# Import now.
is(A->d, "B::d3");		# Update hash table;

delete $B::{d};
*dummy::dummy = sub {};		# Mark as updated
is(A->d, "C::d");

eval 'sub B::d {"B::d4"}';	# Import now.
is(A->d, "B::d4");		# Update hash table;

delete $B::{d};			# Should work without any help too
is(A->d, "C::d");

{
    local *C::d;
    is(eval { A->d } || "nope", "nope");
}
is(A->d, "C::d");

*A::x = *A::d;			# See if cache incorrectly follows synonyms
A->d;
is(eval { A->x } || "nope", "nope");

eval <<'EOF';
sub C::e;
BEGIN { *B::e = \&C::e }	# Shouldn't prevent AUTOLOAD in original pkg
sub Y::f;
$counter = 0;

@X::ISA = 'Y';
@Y::ISA = 'B';

sub B::AUTOLOAD {
  my $c = ++$counter;
  my $method = $B::AUTOLOAD; 
  my $msg = "B: In $method, $c";
  eval "sub $method { \$msg }";
  goto &$method;
}
sub C::AUTOLOAD {
  my $c = ++$counter;
  my $method = $C::AUTOLOAD; 
  my $msg = "C: In $method, $c";
  eval "sub $method { \$msg }";
  goto &$method;
}
EOF

is(A->e(), "C: In C::e, 1");	# We get a correct autoload
is(A->e(), "C: In C::e, 1");	# Which sticks

is(A->ee(), "B: In A::ee, 2"); # We get a generic autoload, method in top
is(A->ee(), "B: In A::ee, 2"); # Which sticks

is(Y->f(), "B: In Y::f, 3");	# We vivify a correct method
is(Y->f(), "B: In Y::f, 3");	# Which sticks

# This test is not intended to be reasonable. It is here just to let you
# know that you broke some old construction. Feel free to rewrite the test
# if your patch breaks it.

*B::AUTOLOAD = sub {
  my $c = ++$counter;
  my $method = $AUTOLOAD; 
  *$AUTOLOAD = sub { "new B: In $method, $c" };
  goto &$AUTOLOAD;
};

is(A->eee(), "new B: In A::eee, 4");	# We get a correct $autoload
is(A->eee(), "new B: In A::eee, 4");	# Which sticks

# this test added due to bug discovery
is(defined(@{"unknown_package::ISA"}) ? "defined" : "undefined", "undefined");

# test that failed subroutine calls don't affect method calls
{
    package A1;
    sub foo { "foo" }
    package A2;
    @ISA = 'A1';
    package main;
    is(A2->foo(), "foo");
    is(do { eval 'A2::foo()'; $@ ? 1 : 0}, 1);
    is(A2->foo(), "foo");
}

## This test was totally misguided.  It passed before only because the
## code to determine if a package was loaded used to look for the hash
## %Foo::Bar instead of the package Foo::Bar:: -- and Config.pm just
## happens to export %Config.
#  {
#      is(do { use Config; eval 'Config->foo()';
#  	      $@ =~ /^\QCan't locate object method "foo" via package "Config" at/ ? 1 : $@}, 1);
#      is(do { use Config; eval '$d = bless {}, "Config"; $d->foo()';
#  	      $@ =~ /^\QCan't locate object method "foo" via package "Config" at/ ? 1 : $@}, 1);
#  }


# test error messages if method loading fails
is(do { eval '$e = bless {}, "E::A"; E::A->foo()';
	  $@ =~ /^\QCan't locate object method "foo" via package "E::A" at/ ? 1 : $@}, 1);
is(do { eval '$e = bless {}, "E::B"; $e->foo()';  
	  $@ =~ /^\QCan't locate object method "foo" via package "E::B" at/ ? 1 : $@}, 1);
is(do { eval 'E::C->foo()';
	  $@ =~ /^\QCan't locate object method "foo" via package "E::C" (perhaps / ? 1 : $@}, 1);

is(do { eval 'UNIVERSAL->E::D::foo()';
	  $@ =~ /^\QCan't locate object method "foo" via package "E::D" (perhaps / ? 1 : $@}, 1);
is(do { eval '$e = bless {}, "UNIVERSAL"; $e->E::E::foo()';
	  $@ =~ /^\QCan't locate object method "foo" via package "E::E" (perhaps / ? 1 : $@}, 1);

$e = bless {}, "E::F";  # force package to exist
is(do { eval 'UNIVERSAL->E::F::foo()';
	  $@ =~ /^\QCan't locate object method "foo" via package "E::F" at/ ? 1 : $@}, 1);
is(do { eval '$e = bless {}, "UNIVERSAL"; $e->E::F::foo()';
	  $@ =~ /^\QCan't locate object method "foo" via package "E::F" at/ ? 1 : $@}, 1);

# TODO: we need some tests for the SUPER:: pseudoclass

# failed method call or UNIVERSAL::can() should not autovivify packages
is( $::{"Foo::"} || "none", "none");  # sanity check 1
is( $::{"Foo::"} || "none", "none");  # sanity check 2

is( UNIVERSAL::can("Foo", "boogie") ? "yes":"no", "no" );
is( $::{"Foo::"} || "none", "none");  # still missing?

is( Foo->UNIVERSAL::can("boogie")   ? "yes":"no", "no" );
is( $::{"Foo::"} || "none", "none");  # still missing?

is( Foo->can("boogie")              ? "yes":"no", "no" );
is( $::{"Foo::"} || "none", "none");  # still missing?

is( eval 'Foo->boogie(); 1'         ? "yes":"no", "no" );
is( $::{"Foo::"} || "none", "none");  # still missing?

is(do { eval 'Foo->boogie()';
	  $@ =~ /^\QCan't locate object method "boogie" via package "Foo" (perhaps / ? 1 : $@}, 1);

eval 'sub Foo::boogie { "yes, sir!" }';
is( $::{"Foo::"} ? "ok" : "none", "ok");  # should exist now
is( Foo->boogie(), "yes, sir!");

# TODO: universal.t should test NoSuchPackage->isa()/can()

# This is actually testing parsing of indirect objects and undefined subs
#   print foo("bar") where foo does not exist is not an indirect object.
#   print foo "bar"  where foo does not exist is an indirect object.
eval 'sub AUTOLOAD { "ok ", shift, "\n"; }';
ok(1);

# Bug ID 20010902.002
is(
    eval q[
	$x = 'x';
	sub Foo::x : lvalue { $x }
	Foo->$x = 'ok';
    ] || $@, 'ok'
);

# An autoloaded, inherited DESTROY may be invoked differently than normal
# methods, and has been known to give rise to spurious warnings
# eg <200203121600.QAA11064@gizmo.fdgroup.co.uk>

{
    use warnings;
    my $w = '';
    local $SIG{__WARN__} = sub { $w = $_[0] };

    sub AutoDest::Base::AUTOLOAD {}
    @AutoDest::ISA = qw(AutoDest::Base);
    { my $x = bless {}, 'AutoDest'; }
    $w =~ s/\n//g;
    is($w, '');
}

# [ID 20020305.025] PACKAGE::SUPER doesn't work anymore

package main;
our @X;
package Amajor;
sub test {
    push @main::X, 'Amajor', @_;
}
package Bminor;
use base qw(Amajor);
package main;
sub Bminor::test {
    $_[0]->Bminor::SUPER::test('x', 'y');
    push @main::X, 'Bminor', @_;
}
Bminor->test('y', 'z');
is("@X", "Amajor Bminor x y Bminor Bminor y z");

package main;
for my $meth (['Bar', 'Foo::Bar'],
	      ['SUPER::Bar', 'main::SUPER::Bar'],
	      ['Xyz::SUPER::Bar', 'Xyz::SUPER::Bar'])
{
    fresh_perl_is(<<EOT,
package UNIVERSAL; sub AUTOLOAD { my \$c = shift; print "\$c \$AUTOLOAD\\n" }
sub DESTROY {} # IO object destructor called in MacOS, because of Mac::err
package Xyz;
package main; Foo->$meth->[0]();
EOT
	"Foo $meth->[1]",
	{ switches => [ '-w' ] },
	"check if UNIVERSAL::AUTOLOAD works",
    );
}
Commit	Line	Data
92d69e20	1	#!./perl
	2
	3	#
	4	# test method calls and autoloading.
	5	#
	6
4755096e	7	BEGIN {
4755096e	8	chdir 't' if -d 't';
6dc4e5ce	9	@INC = qw(. ../lib);
6dc4e5ce	10	require "test.pl";
4755096e	11	}
4755096e	12
0dae17bd	13	print "1..78\n";
92d69e20	14
	15	@A::ISA = 'B';
	16	@B::ISA = 'C';
	17
	18	sub C::d {"C::d"}
	19	sub D::d {"D::d"}
	20
567ce7b1	21	# First, some basic checks of method-calling syntax:
	22	$obj = bless [], "Pack";
	23	sub Pack::method { shift; join(",", "method", @_) }
	24	$mname = "method";
	25
6dc4e5ce	26	is(Pack->method("a","b","c"), "method,a,b,c");
	27	is(Pack->$mname("a","b","c"), "method,a,b,c");
	28	is(method Pack ("a","b","c"), "method,a,b,c");
	29	is((method Pack "a","b","c"), "method,a,b,c");
567ce7b1	30
6dc4e5ce	31	is(Pack->method(), "method");
	32	is(Pack->$mname(), "method");
	33	is(method Pack (), "method");
	34	is(Pack->method, "method");
	35	is(Pack->$mname, "method");
	36	is(method Pack, "method");
567ce7b1	37
6dc4e5ce	38	is($obj->method("a","b","c"), "method,a,b,c");
	39	is($obj->$mname("a","b","c"), "method,a,b,c");
	40	is((method $obj ("a","b","c")), "method,a,b,c");
	41	is((method $obj "a","b","c"), "method,a,b,c");
145eb477	42
6dc4e5ce	43	is($obj->method(0), "method,0");
6dc4e5ce	44	is($obj->method(1), "method,1");
567ce7b1	45
6dc4e5ce	46	is($obj->method(), "method");
	47	is($obj->$mname(), "method");
	48	is((method $obj ()), "method");
	49	is($obj->method, "method");
	50	is($obj->$mname, "method");
	51	is(method $obj, "method");
567ce7b1	52
6dc4e5ce	53	is( A->d, "C::d"); # Update hash table;
92d69e20	54
92d69e20	55	*B::d = \&D::d; # Import now.
6dc4e5ce	56	is(A->d, "D::d"); # Update hash table;
92d69e20	57
44a8e56a	58	{
fb73857a	59	local @A::ISA = qw(C); # Update hash table with split() assignment
6dc4e5ce	60	is(A->d, "C::d");
fb73857a	61	$#A::ISA = -1;
6dc4e5ce	62	is(eval { A->d } \|\| "fail", "fail");
fb73857a	63	}
6dc4e5ce	64	is(A->d, "D::d");
fb73857a	65
fb73857a	66	{
44a8e56a	67	local *B::d;
44a8e56a	68	eval 'sub B::d {"B::d1"}'; # Import now.
6dc4e5ce	69	is(A->d, "B::d1"); # Update hash table;
44a8e56a	70	undef &B::d;
6dc4e5ce	71	is((eval { A->d }, ($@ =~ /Undefined subroutine/)), 1);
44a8e56a	72	}
92d69e20	73
6dc4e5ce	74	is(A->d, "D::d"); # Back to previous state
92d69e20	75
92d69e20	76	eval 'sub B::d {"B::d2"}'; # Import now.
6dc4e5ce	77	is(A->d, "B::d2"); # Update hash table;
92d69e20	78
	79	# What follows is hardly guarantied to work, since the names in scripts
	80	# are already linked to "pruned" globs. Say, `undef &B::d' if it were
	81	# after `delete $B::{d}; sub B::d {}' would reach an old subroutine.
	82
	83	undef &B::d;
	84	delete $B::{d};
6dc4e5ce	85	is(A->d, "C::d"); # Update hash table;
92d69e20	86
92d69e20	87	eval 'sub B::d {"B::d3"}'; # Import now.
6dc4e5ce	88	is(A->d, "B::d3"); # Update hash table;
92d69e20	89
	90	delete $B::{d};
	91	*dummy::dummy = sub {}; # Mark as updated
6dc4e5ce	92	is(A->d, "C::d");
92d69e20	93
92d69e20	94	eval 'sub B::d {"B::d4"}'; # Import now.
6dc4e5ce	95	is(A->d, "B::d4"); # Update hash table;
92d69e20	96
92d69e20	97	delete $B::{d}; # Should work without any help too
6dc4e5ce	98	is(A->d, "C::d");
92d69e20	99
fae75791	100	{
fae75791	101	local *C::d;
6dc4e5ce	102	is(eval { A->d } \|\| "nope", "nope");
fae75791	103	}
6dc4e5ce	104	is(A->d, "C::d");
fae75791	105
44a8e56a	106	A::x = A::d; # See if cache incorrectly follows synonyms
44a8e56a	107	A->d;
6dc4e5ce	108	is(eval { A->x } \|\| "nope", "nope");
44a8e56a	109
92d69e20	110	eval <<'EOF';
92d69e20	111	sub C::e;
09280a33	112	BEGIN { *B::e = \&C::e } # Shouldn't prevent AUTOLOAD in original pkg
92d69e20	113	sub Y::f;
	114	$counter = 0;
	115
54310121	116	@X::ISA = 'Y';
dc848c6f	117	@Y::ISA = 'B';
92d69e20	118
	119	sub B::AUTOLOAD {
	120	my $c = ++$counter;
	121	my $method = $B::AUTOLOAD;
09280a33	122	my $msg = "B: In $method, $c";
	123	eval "sub $method { \$msg }";
	124	goto &$method;
92d69e20	125	}
	126	sub C::AUTOLOAD {
	127	my $c = ++$counter;
	128	my $method = $C::AUTOLOAD;
09280a33	129	my $msg = "C: In $method, $c";
	130	eval "sub $method { \$msg }";
	131	goto &$method;
92d69e20	132	}
	133	EOF
	134
6dc4e5ce	135	is(A->e(), "C: In C::e, 1"); # We get a correct autoload
6dc4e5ce	136	is(A->e(), "C: In C::e, 1"); # Which sticks
92d69e20	137
6dc4e5ce	138	is(A->ee(), "B: In A::ee, 2"); # We get a generic autoload, method in top
6dc4e5ce	139	is(A->ee(), "B: In A::ee, 2"); # Which sticks
92d69e20	140
6dc4e5ce	141	is(Y->f(), "B: In Y::f, 3"); # We vivify a correct method
6dc4e5ce	142	is(Y->f(), "B: In Y::f, 3"); # Which sticks
92d69e20	143
	144	# This test is not intended to be reasonable. It is here just to let you
	145	# know that you broke some old construction. Feel free to rewrite the test
	146	# if your patch breaks it.
	147
	148	*B::AUTOLOAD = sub {
	149	my $c = ++$counter;
44a8e56a	150	my $method = $AUTOLOAD;
	151	*$AUTOLOAD = sub { "new B: In $method, $c" };
	152	goto &$AUTOLOAD;
92d69e20	153	};
92d69e20	154
6dc4e5ce	155	is(A->eee(), "new B: In A::eee, 4"); # We get a correct $autoload
6dc4e5ce	156	is(A->eee(), "new B: In A::eee, 4"); # Which sticks
fb73857a	157
fb73857a	158	# this test added due to bug discovery
6dc4e5ce	159	is(defined(@{"unknown_package::ISA"}) ? "defined" : "undefined", "undefined");
f6ec51f7	160
	161	# test that failed subroutine calls don't affect method calls
	162	{
	163	package A1;
	164	sub foo { "foo" }
	165	package A2;
	166	@ISA = 'A1';
	167	package main;
6dc4e5ce	168	is(A2->foo(), "foo");
	169	is(do { eval 'A2::foo()'; $@ ? 1 : 0}, 1);
	170	is(A2->foo(), "foo");
f6ec51f7	171	}
c1899e02	172
af09ea45	173	## This test was totally misguided. It passed before only because the
	174	## code to determine if a package was loaded used to look for the hash
	175	## %Foo::Bar instead of the package Foo::Bar:: -- and Config.pm just
	176	## happens to export %Config.
	177	# {
6dc4e5ce	178	# is(do { use Config; eval 'Config->foo()';
af09ea45	179	# $@ =~ /^\QCan't locate object method "foo" via package "Config" at/ ? 1 : $@}, 1);
6dc4e5ce	180	# is(do { use Config; eval '$d = bless {}, "Config"; $d->foo()';
af09ea45	181	# $@ =~ /^\QCan't locate object method "foo" via package "Config" at/ ? 1 : $@}, 1);
	182	# }
	183
	184
	185	# test error messages if method loading fails
6dc4e5ce	186	is(do { eval '$e = bless {}, "E::A"; E::A->foo()';
af09ea45	187	$@ =~ /^\QCan't locate object method "foo" via package "E::A" at/ ? 1 : $@}, 1);
6dc4e5ce	188	is(do { eval '$e = bless {}, "E::B"; $e->foo()';
af09ea45	189	$@ =~ /^\QCan't locate object method "foo" via package "E::B" at/ ? 1 : $@}, 1);
6dc4e5ce	190	is(do { eval 'E::C->foo()';
af09ea45	191	$@ =~ /^\QCan't locate object method "foo" via package "E::C" (perhaps / ? 1 : $@}, 1);
af09ea45	192
6dc4e5ce	193	is(do { eval 'UNIVERSAL->E::D::foo()';
af09ea45	194	$@ =~ /^\QCan't locate object method "foo" via package "E::D" (perhaps / ? 1 : $@}, 1);
6dc4e5ce	195	is(do { eval '$e = bless {}, "UNIVERSAL"; $e->E::E::foo()';
af09ea45	196	$@ =~ /^\QCan't locate object method "foo" via package "E::E" (perhaps / ? 1 : $@}, 1);
	197
	198	$e = bless {}, "E::F"; # force package to exist
6dc4e5ce	199	is(do { eval 'UNIVERSAL->E::F::foo()';
af09ea45	200	$@ =~ /^\QCan't locate object method "foo" via package "E::F" at/ ? 1 : $@}, 1);
6dc4e5ce	201	is(do { eval '$e = bless {}, "UNIVERSAL"; $e->E::F::foo()';
af09ea45	202	$@ =~ /^\QCan't locate object method "foo" via package "E::F" at/ ? 1 : $@}, 1);
	203
	204	# TODO: we need some tests for the SUPER:: pseudoclass
	205
	206	# failed method call or UNIVERSAL::can() should not autovivify packages
6dc4e5ce	207	is( $::{"Foo::"} \|\| "none", "none"); # sanity check 1
6dc4e5ce	208	is( $::{"Foo::"} \|\| "none", "none"); # sanity check 2
c1899e02	209
6dc4e5ce	210	is( UNIVERSAL::can("Foo", "boogie") ? "yes":"no", "no" );
6dc4e5ce	211	is( $::{"Foo::"} \|\| "none", "none"); # still missing?
af09ea45	212
6dc4e5ce	213	is( Foo->UNIVERSAL::can("boogie") ? "yes":"no", "no" );
6dc4e5ce	214	is( $::{"Foo::"} \|\| "none", "none"); # still missing?
af09ea45	215
6dc4e5ce	216	is( Foo->can("boogie") ? "yes":"no", "no" );
6dc4e5ce	217	is( $::{"Foo::"} \|\| "none", "none"); # still missing?
af09ea45	218
6dc4e5ce	219	is( eval 'Foo->boogie(); 1' ? "yes":"no", "no" );
6dc4e5ce	220	is( $::{"Foo::"} \|\| "none", "none"); # still missing?
af09ea45	221
6dc4e5ce	222	is(do { eval 'Foo->boogie()';
af09ea45	223	$@ =~ /^\QCan't locate object method "boogie" via package "Foo" (perhaps / ? 1 : $@}, 1);
	224
	225	eval 'sub Foo::boogie { "yes, sir!" }';
6dc4e5ce	226	is( $::{"Foo::"} ? "ok" : "none", "ok"); # should exist now
6dc4e5ce	227	is( Foo->boogie(), "yes, sir!");
af09ea45	228
af09ea45	229	# TODO: universal.t should test NoSuchPackage->isa()/can()
c1899e02	230
f0670693	231	# This is actually testing parsing of indirect objects and undefined subs
	232	# print foo("bar") where foo does not exist is not an indirect object.
	233	# print foo "bar" where foo does not exist is an indirect object.
84251760	234	eval 'sub AUTOLOAD { "ok ", shift, "\n"; }';
6dc4e5ce	235	ok(1);
af09ea45	236
a397c3d9	237	# Bug ID 20010902.002
6dc4e5ce	238	is(
a397c3d9	239	eval q[
	240	$x = 'x';
	241	sub Foo::x : lvalue { $x }
	242	Foo->$x = 'ok';
	243	] \|\| $@, 'ok'
	244	);
	245
3ad83ce7	246	# An autoloaded, inherited DESTROY may be invoked differently than normal
	247	# methods, and has been known to give rise to spurious warnings
	248	# eg <200203121600.QAA11064@gizmo.fdgroup.co.uk>
	249
	250	{
	251	use warnings;
	252	my $w = '';
	253	local $SIG{__WARN__} = sub { $w = $_[0] };
	254
	255	sub AutoDest::Base::AUTOLOAD {}
	256	@AutoDest::ISA = qw(AutoDest::Base);
	257	{ my $x = bless {}, 'AutoDest'; }
	258	$w =~ s/\n//g;
6dc4e5ce	259	is($w, '');
3ad83ce7	260	}
3ad83ce7	261
e189a56d	262	# [ID 20020305.025] PACKAGE::SUPER doesn't work anymore
	263
	264	package main;
	265	our @X;
	266	package Amajor;
	267	sub test {
	268	push @main::X, 'Amajor', @_;
	269	}
	270	package Bminor;
	271	use base qw(Amajor);
	272	package main;
	273	sub Bminor::test {
	274	$_[0]->Bminor::SUPER::test('x', 'y');
	275	push @main::X, 'Bminor', @_;
	276	}
	277	Bminor->test('y', 'z');
	278	is("@X", "Amajor Bminor x y Bminor Bminor y z");
	279
0dae17bd	280	package main;
	281	for my $meth (['Bar', 'Foo::Bar'],
	282	['SUPER::Bar', 'main::SUPER::Bar'],
	283	['Xyz::SUPER::Bar', 'Xyz::SUPER::Bar'])
	284	{
	285	fresh_perl_is(<<EOT,
	286	package UNIVERSAL; sub AUTOLOAD { my \$c = shift; print "\$c \$AUTOLOAD\\n" }
63c6dcc1	287	sub DESTROY {} # IO object destructor called in MacOS, because of Mac::err
0dae17bd	288	package Xyz;
	289	package main; Foo->$meth->[0]();
	290	EOT
	291	"Foo $meth->[1]",
	292	{ switches => [ '-w' ] },
	293	"check if UNIVERSAL::AUTOLOAD works",
	294	);
	295	}