X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fop%2Funiversal.t;h=ebc22d1c088ed8128baf5fbbaffb8829032936ea;hb=3511154c18a0900e8873e8e72a4b74931525e718;hp=fc53c393922b07ac096300c0ad8978d05add9d38;hpb=178d71da13d12a268fc143e0973bd76c77bbd99c;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/t/op/universal.t b/t/op/universal.t
index fc53c39..ebc22d1 100755
--- a/t/op/universal.t
+++ b/t/op/universal.t
@@ -9,7 +9,7 @@ BEGIN {
     $| = 1;
 }
 
-print "1..94\n";
+print "1..101\n";
 
 $a = {};
 bless $a, "Bob";
@@ -174,3 +174,30 @@ test ! UNIVERSAL::isa("\xff\xff\xff\0", 'HASH');
     main::test can( "Pickup", "can" ) == \&UNIVERSAL::can;
     main::test VERSION "UNIVERSAL" ;
 }
+
+{
+    # test isa() and can() on magic variables
+    "Human" =~ /(.*)/;
+    test $1->isa("Human");
+    test $1->can("eat");
+    package HumanTie;
+    sub TIESCALAR { bless {} }
+    sub FETCH { "Human" }
+    tie my($x), "HumanTie";
+    ::test $x->isa("Human");
+    ::test $x->can("eat");
+}
+
+# bugid 3284
+# a second call to isa('UNIVERSAL') when @ISA is null failed due to caching
+
+@X::ISA=();
+my $x = {}; bless $x, 'X';
+test $x->isa('UNIVERSAL');
+test $x->isa('UNIVERSAL');
+
+
+# Check that the "historical accident" of UNIVERSAL having an import()
+# method doesn't effect anyone else.
+eval { Some::Package->import("bar") };
+test !$@;