require "./test.pl";
}
-plan tests => 104;
+plan tests => 110;
$a = {};
bless $a, "Bob";
## The test for import here is *not* because we want to ensure that UNIVERSAL
## can always import; it is an historical accident that UNIVERSAL can import.
if ('a' lt 'A') {
- is $subs, "can import isa VERSION";
+ is $subs, "can import isa DOES VERSION";
} else {
- is $subs, "VERSION can import isa";
+ is $subs, "DOES VERSION can import isa";
}
ok $a->isa("UNIVERSAL");
my $sub2 = join ' ', sort grep { defined &{"UNIVERSAL::$_"} } keys %UNIVERSAL::;
# XXX import being here is really a bug
if ('a' lt 'A') {
- is $sub2, "can import isa VERSION";
+ is $sub2, "can import isa DOES VERSION";
} else {
- is $sub2, "VERSION can import isa";
+ is $sub2, "DOES VERSION can import isa";
}
eval 'sub UNIVERSAL::sleep {}';
# This segfaulted in a blead.
fresh_perl_is('package Foo; Foo->VERSION; print "ok"', 'ok');
+package Foo;
+
+sub DOES { 1 }
+
+package Bar;
+
+@Bar::ISA = 'Foo';
+
+package Baz;
+
+package main;
+ok( Foo->DOES( 'bar' ), 'DOES() should call DOES() on class' );
+ok( Bar->DOES( 'Bar' ), '... and should fall back to isa()' );
+ok( Bar->DOES( 'Foo' ), '... even when inherited' );
+ok( Baz->DOES( 'Baz' ), '... even without inheriting any other DOES()' );
+ok( ! Baz->DOES( 'Foo' ), '... returning true or false appropriately' );
+
+package Pig;
+package Bodine;
+Bodine->isa('Pig');
+*isa = \&UNIVERSAL::isa;
+eval { isa({}, 'HASH') };
+::is($@, '', "*isa correctly found")