fix some edge cases

diff --git a/lib/Package/Stash.pm b/lib/Package/Stash.pm
index 6c361c1..88f921e 100644 (file)
--- a/lib/Package/Stash.pm
+++ b/lib/Package/Stash.pm
@@ -204,12 +204,7 @@ sub has_package_symbol {
 
     my $entry_ref = \$namespace->{$name};
     if (reftype($entry_ref) eq 'GLOB') {
-        if ( $type eq 'SCALAR' ) {
-            return defined ${ *{$entry_ref}{SCALAR} };
-        }
-        else {
-            return defined *{$entry_ref}{$type};
-        }
+        return defined *{$entry_ref}{$type};
     }
     else {
         # a symbol table entry can be -1 (stub), string (stub with prototype),
@@ -392,10 +387,10 @@ sub list_all_package_symbols {
     # type (SCALAR|ARRAY|HASH|CODE)
     if ($type_filter eq 'CODE') {
         return grep {
-            (ref($namespace->{$_})
-                ? (ref($namespace->{$_}) eq 'SCALAR')
-                : (ref(\$namespace->{$_}) eq 'GLOB'
-                   && defined(*{$namespace->{$_}}{CODE})));
+            # any non-typeglob in the symbol table is a constant or stub
+            ref(\$namespace->{$_}) ne 'GLOB'
+                # regular subs are stored in the CODE slot of the typeglob
+                || defined(*{$namespace->{$_}}{CODE});
         } keys %{$namespace};
     } else {
         return grep { *{$namespace->{$_}}{$type_filter} } keys %{$namespace};

diff --git a/t/07-edge-cases.t b/t/07-edge-cases.t
new file mode 100755 (executable)
index 0000000..85944d5
--- /dev/null
+++ b/t/07-edge-cases.t
@@ -0,0 +1,35 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use Test::More;
+
+use Package::Stash;
+
+{
+    package Foo;
+    use constant FOO => 1;
+    use constant BAR => \1;
+    use constant BAZ => [];
+    use constant QUUX => {};
+    use constant QUUUX => sub { };
+    sub normal { }
+    sub stub;
+    sub normal_with_proto () { }
+    sub stub_with_proto ();
+
+    our $SCALAR;
+    our @ARRAY;
+    our %HASH;
+}
+
+my $stash = Package::Stash->new('Foo');
+ok($stash->has_package_symbol('$SCALAR'), '$SCALAR');
+ok($stash->has_package_symbol('@ARRAY'), '@ARRAY');
+ok($stash->has_package_symbol('%HASH'), '%HASH');
+is_deeply(
+    [sort $stash->list_all_package_symbols('CODE')],
+    [qw(BAR BAZ FOO QUUUX QUUX normal normal_with_proto stub stub_with_proto)],
+    "can see all code symbols"
+);
+
+done_testing;