Fix deletion of localized array elements with negative indices resulting in an incorr...

[perl/modules/Scope-Upper.git] / t / 49-localize_delete-target.t

diff --git a/t/49-localize_delete-target.t b/t/49-localize_delete-target.t
index 6ddf79c79b1447fde93fbe10e55ea3037128e86f..30468a1169ee13df4d85ae45c27ea5e435791769 100644 (file)
--- a/t/49-localize_delete-target.t
+++ b/t/49-localize_delete-target.t
@@ -3,7 +3,7 @@
 use strict;
 use warnings;
 
-use Test::More tests => 30;
+use Test::More tests => 36;
 
 use Scope::Upper qw/localize_delete/;
 
@@ -39,6 +39,34 @@ our @a;
  is_deeply \@a, [ 4 .. 6, undef, 7 ], 'localize_delete "@a", 4 (exists), 0 [end]';
 }
 
+{
+ local @a = (4 .. 6);
+ {
+  localize_delete '@main::a', -2, 0;
+  is_deeply \@a, [ 4, undef, 6 ], 'localize_delete "@a", -2, 0 [ok]';
+ }
+ is_deeply \@a, [ 4 .. 6 ], 'localize_delete "@a", -2, 0 [end]';
+}
+
+{
+ local @a = (4 .. 6);
+ local $a[4] = 7;
+ {
+  localize_delete '@main::a', -1, 0;
+  is_deeply \@a, [ 4 .. 6 ], 'localize_delete "@a", -1 (exists), 0 [ok]';
+ }
+ is_deeply \@a, [ 4 .. 6, undef, 7 ], 'localize_delete "@a", -1 (exists), 0 [end]';
+}
+
+{
+ local @a = (4 .. 6);
+ {
+  eval { localize_delete '@main::a', -4, 0 };
+  like $@, qr/Modification of non-creatable array value attempted, subscript -4/, 'localize_delete "@a", -4 (out of bounds), 0 [ok]';
+ }
+ is_deeply \@a, [ 4 .. 6 ], 'localize_delete "@a", -4 (out of bounds), 0 [end]';
+}
+
 {
  local @a = (4 .. 6);
  {