1 files changed, 98 insertions, 0 deletions
diff --git a/contrib/perl5/t/op/gv.t b/contrib/perl5/t/op/gv.t
new file mode 100755
index 000000000000..c253e4bd9d57
--- /dev/null
+++ b/contrib/perl5/t/op/gv.t
@@ -0,0 +1,98 @@
+#!./perl
+
+#
+# various typeglob tests
+#
+
+print "1..23\n";
+
+# type coersion on assignment
+$foo = 'foo';
+$bar = *main::foo;
+$bar = $foo;
+print ref(\$bar) eq 'SCALAR' ? "ok 1\n" : "not ok 1\n";
+$foo = *main::bar;
+
+# type coersion (not) on misc ops
+
+if ($foo) {
+  print ref(\$foo) eq 'GLOB' ? "ok 2\n" : "not ok 2\n";
+}
+
+unless ($foo =~ /abcd/) {
+  print ref(\$foo) eq 'GLOB' ? "ok 3\n" : "not ok 3\n";
+}
+
+if ($foo eq '*main::bar') {
+  print ref(\$foo) eq 'GLOB' ? "ok 4\n" : "not ok 4\n";
+}
+
+# type coersion on substitutions that match
+$a = *main::foo;
+$b = $a;
+$a =~ s/^X//;
+print ref(\$a) eq 'GLOB' ? "ok 5\n" : "not ok 5\n";
+$a =~ s/^\*//;
+print $a eq 'main::foo' ? "ok 6\n" : "not ok 6\n";
+print ref(\$b) eq 'GLOB' ? "ok 7\n" : "not ok 7\n";
+
+# typeglobs as lvalues
+substr($foo, 0, 1) = "XXX";
+print ref(\$foo) eq 'SCALAR' ? "ok 8\n" : "not ok 8\n";
+print $foo eq 'XXXmain::bar' ? "ok 9\n" : "not ok 9\n";
+
+# returning glob values
+sub foo {
+  local($bar) = *main::foo;
+  $foo = *main::bar;
+  return ($foo, $bar);
+}
+
+($fuu, $baa) = foo();
+if (defined $fuu) {
+  print ref(\$fuu) eq 'GLOB' ? "ok 10\n" : "not ok 10\n";
+}
+
+if (defined $baa) {
+  print ref(\$baa) eq 'GLOB' ? "ok 11\n" : "not ok 11\n";
+}
+
+# nested package globs
+# NOTE:  It's probably OK if these semantics change, because the
+#        fact that %X::Y:: is stored in %X:: isn't documented.
+#        (I hope.)
+
+{ package Foo::Bar }
+print exists $Foo::{'Bar::'} ? "ok 12\n" : "not ok 12\n";
+print $Foo::{'Bar::'} eq '*Foo::Bar::' ? "ok 13\n" : "not ok 13\n";
+
+# test undef operator clearing out entire glob
+$foo = 'stuff';
+@foo = qw(more stuff);
+%foo = qw(even more random stuff);
+undef *foo;
+print +($foo || @foo || %foo) ? "not ok" : "ok", " 14\n";
+
+# test warnings from assignment of undef to glob
+{
+    my $msg;
+    local $SIG{__WARN__} = sub { $msg = $_[0] };
+    local $^W = 1;
+    *foo = 'bar';
+    print $msg ? "not ok" : "ok", " 15\n";
+    *foo = undef;
+    print $msg ? "ok" : "not ok", " 16\n";
+}
+
+# test *glob{THING} syntax
+$x = "ok 17\n";
+@x = ("ok 18\n");
+%x = ("ok 19" => "\n");
+sub x { "ok 20\n" }
+print ${*x{SCALAR}}, @{*x{ARRAY}}, %{*x{HASH}}, &{*x{CODE}};
+*x = *STDOUT;
+print *{*x{GLOB}} eq "*main::STDOUT" ? "ok 21\n" : "not ok 21\n";
+print {*x{IO}} "ok 22\n";
+print {*x{FILEHANDLE}} "ok 23\n";
+
+