From: Jesse Luehrs <doy@tozt.net>
Date: Fri, 12 Nov 2010 02:09:58 +0000 (-0600)
Subject: preserve existing behavior here i guess
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FPackage-Stash-PP.git;a=commitdiff_plain;h=f75437398a7a18f7852b0151f7cb808dbeb06d0a

preserve existing behavior here i guess
---

diff --git a/lib/Package/Stash.pm b/lib/Package/Stash.pm
index 88f921e..132f687 100644
--- a/lib/Package/Stash.pm
+++ b/lib/Package/Stash.pm
@@ -204,7 +204,16 @@ sub has_package_symbol {
 
     my $entry_ref = \$namespace->{$name};
     if (reftype($entry_ref) eq 'GLOB') {
-        return defined *{$entry_ref}{$type};
+        # XXX: assigning to any typeglob slot also initializes the SCALAR slot,
+        # and saying that an undef scalar variable doesn't exist is probably
+        # vaguely less surprising than a scalar variable popping into existence
+        # without anyone defining it
+        if ($type eq 'SCALAR') {
+            return defined ${ *{$entry_ref}{$type} };
+        }
+        else {
+            return defined *{$entry_ref}{$type};
+        }
     }
     else {
         # a symbol table entry can be -1 (stub), string (stub with prototype),
diff --git a/t/07-edge-cases.t b/t/07-edge-cases.t
index 85944d5..e544c7a 100755
--- a/t/07-edge-cases.t
+++ b/t/07-edge-cases.t
@@ -18,12 +18,16 @@ use Package::Stash;
     sub stub_with_proto ();
 
     our $SCALAR;
+    our $SCALAR_WITH_VALUE = 1;
     our @ARRAY;
     our %HASH;
 }
 
 my $stash = Package::Stash->new('Foo');
+{ local $TODO = "i think this is a perl bug (see comment in has_package_symbol)";
 ok($stash->has_package_symbol('$SCALAR'), '$SCALAR');
+}
+ok($stash->has_package_symbol('$SCALAR_WITH_VALUE'), '$SCALAR_WITH_VALUE');
 ok($stash->has_package_symbol('@ARRAY'), '@ARRAY');
 ok($stash->has_package_symbol('%HASH'), '%HASH');
 is_deeply(
@@ -32,4 +36,9 @@ is_deeply(
     "can see all code symbols"
 );
 
+$stash->add_package_symbol('%added', {});
+ok(!$stash->has_package_symbol('$added'), '$added');
+ok(!$stash->has_package_symbol('@added'), '@added');
+ok($stash->has_package_symbol('%added'), '%added');
+
 done_testing;