BEGIN {
chdir 't' if -d 't';
- @INC = '../lib' if -d '../lib';
+ @INC = '../lib';
+ $| = 1;
}
-print "1..72\n";
+print "1..87\n";
$a = {};
bless $a, "Bob";
package Alice;
@ISA=qw(Bob Female);
-sub drink {}
+sub sing;
+sub drink { return "drinking " . $_[1] }
sub new { bless {} }
$Alice::VERSION = 2.718;
+{
+ package Cedric;
+ our @ISA;
+ use base qw(Human);
+}
+
+{
+ package Programmer;
+ our $VERSION = 1.667;
+
+ sub write_perl { 1 }
+}
+
package main;
-my $i = 2;
-sub test { print "not " unless shift; print "ok $i\n"; $i++; }
+{ my $i = 2;
+ sub test { print "not " unless shift; print "ok $i\n"; $i++; }
+}
$a = new Alice;
test ! $a->isa("Male");
-test $a->can("drink");
+test ! $a->isa('Programmer');
test $a->can("eat");
-
test ! $a->can("sleep");
+test my $ref = $a->can("drink"); # returns a coderef
+test $a->$ref("tea") eq "drinking tea"; # ... which works
+test $ref = $a->can("sing");
+eval { $a->$ref() };
+test $@; # ... but not if no actual subroutine
+
+test (!Cedric->isa('Programmer'));
+
+test (Cedric->isa('Human'));
+
+push(@Cedric::ISA,'Programmer');
+
+test (Cedric->isa('Programmer'));
+
+{
+ package Alice;
+ base::->import('Programmer');
+}
+
+test $a->isa('Programmer');
+test $a->isa("Female");
+
+@Cedric::ISA = qw(Bob);
+
+test (!Cedric->isa('Programmer'));
my $b = 'abc';
my @refs = qw(SCALAR SCALAR LVALUE GLOB ARRAY HASH CODE);
test (eval { $a->VERSION }) == 2.718;
test ! (eval { $a->VERSION(2.719) }) &&
- $@ =~ /^Alice version 2.719 required--this is only version 2.718 at /;
+ $@ =~ /^Alice version 2.71(?:9|8999\d+) required--this is only version 2.718 at /;
test (eval { $a->VERSION(2.718) }) && ! $@;
test $a->isa("UNIVERSAL");
+test ! UNIVERSAL::isa([], "UNIVERSAL");
+
+test ! UNIVERSAL::can({}, "can");
+
+test UNIVERSAL::isa(Alice => "UNIVERSAL");
+
+test UNIVERSAL::can(Alice => "can") == \&UNIVERSAL::can;
+
# now use UNIVERSAL.pm and see what changes
eval "use UNIVERSAL";
test $a->isa("UNIVERSAL");
-my $sub2 = join ' ', sort grep { defined &{"UNIVERSAL::$_"} } keys %UNIVERSAL::;
+my $sub2 = join ' ', sort grep { defined &{"UNIVERSAL::$_"} } keys %UNIVERSAL::;
# XXX import being here is really a bug
if ('a' lt 'A') {
test $sub2 eq "can import isa VERSION";
test ! UNIVERSAL::can($b, "can");
test ! $a->can("export_tags"); # a method in Exporter
+
+test ! UNIVERSAL::isa("\xff\xff\xff\0", 'HASH');