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t/io/binmode.t
[perl5.git]
/
t
/
op
/
universal.t
diff --git
a/t/op/universal.t
b/t/op/universal.t
index
a0a74ec
..
efda2a5
100755
(executable)
--- a/
t/op/universal.t
+++ b/
t/op/universal.t
@@
-5,11
+5,11
@@
BEGIN {
chdir 't' if -d 't';
BEGIN {
chdir 't' if -d 't';
-
unshift @INC, '../lib' if -d
'../lib';
+
@INC =
'../lib';
$| = 1;
}
$| = 1;
}
-print "1..8
0
\n";
+print "1..8
7
\n";
$a = {};
bless $a, "Bob";
$a = {};
bless $a, "Bob";
@@
-24,7
+24,8
@@
package Female;
package Alice;
@ISA=qw(Bob Female);
package Alice;
@ISA=qw(Bob Female);
-sub drink {}
+sub sing;
+sub drink { return "drinking " . $_[1] }
sub new { bless {} }
$Alice::VERSION = 2.718;
sub new { bless {} }
$Alice::VERSION = 2.718;
@@
-44,8
+45,9
@@
$Alice::VERSION = 2.718;
package main;
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;
$a = new Alice;
@@
-61,11
+63,13
@@
test ! $a->isa("Male");
test ! $a->isa('Programmer');
test ! $a->isa('Programmer');
-test $a->can("drink");
-
test $a->can("eat");
test $a->can("eat");
-
test ! $a->can("sleep");
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('Programmer'));
@@
-119,6
+123,14
@@
if ('a' lt 'A') {
test $a->isa("UNIVERSAL");
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";
# now use UNIVERSAL.pm and see what changes
eval "use UNIVERSAL";