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[p5sagit/p5-mst-13.2.git] / t / op / gv.t

diff --git a/t/op/gv.t b/t/op/gv.t
index 55e7429..df4984e 100755 (executable)
--- a/t/op/gv.t
+++ b/t/op/gv.t
@@ -4,7 +4,7 @@
 # various typeglob tests
 #
 
-print "1..13\n";
+print "1..29\n";
 
 # type coersion on assignment
 $foo = 'foo';
@@ -65,3 +65,59 @@ if (defined $baa) {
 { 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";
+
+# test if defined() doesn't create any new symbols
+
+{
+    my $test = 23;
+
+    my $a = "SYM000";
+    print "not " if defined *{$a};
+    ++$test; print "ok $test\n";
+
+    print "not " if defined @{$a} or defined *{$a};
+    ++$test; print "ok $test\n";
+
+    print "not " if defined %{$a} or defined *{$a};
+    ++$test; print "ok $test\n";
+
+    print "not " if defined ${$a} or defined *{$a};
+    ++$test; print "ok $test\n";
+
+    print "not " if defined &{$a} or defined *{$a};
+    ++$test; print "ok $test\n";
+
+    *{$a} = sub { print "ok $test\n" };
+    print "not " unless defined &{$a} and defined *{$a};
+    ++$test; &{$a};
+}
+