From: Vincent Pit <vince@profvince.com>
Date: Tue, 28 Dec 2010 16:45:39 +0000 (+0100)
Subject: Prevent vivification of deleted elements by fetching the array values
X-Git-Tag: v0.01~1
X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FTest-Leaner.git;a=commitdiff_plain;h=0db3dd7d4fcdcb1161ed596c1582206245e81cca

Prevent vivification of deleted elements by fetching the array values
---

diff --git a/lib/Test/Leaner.pm b/lib/Test/Leaner.pm
index 8a41e4e..3980b43 100644
--- a/lib/Test/Leaner.pm
+++ b/lib/Test/Leaner.pm
@@ -491,7 +491,9 @@ sub _deep_check {
 
  if ($ry eq 'ARRAY') {
   if ($#$x == $#$y) {
-   _deep_check($x->[$_], $y->[$_]) or return 0 for 0 .. $#$y;
+   # Prevent vivification of deleted elements by fetching the array values.
+   my ($ex, $ey);
+   _deep_check($ex = $x->[$_], $ey = $y->[$_]) or return 0 for 0 .. $#$x;
    return 1;
   }
  } elsif ($ry eq 'HASH') {
diff --git a/t/26-is_deeply.t b/t/26-is_deeply.t
index 0d6b84c..d455040 100644
--- a/t/26-is_deeply.t
+++ b/t/26-is_deeply.t
@@ -3,7 +3,7 @@
 use strict;
 use warnings;
 
-use Test::Leaner tests => 21 + 2 + 1;
+use Test::Leaner tests => 21 + 2 + 1 + 2;
 
 my $lacunary = [ [ 1, 2, 3 ] => [ 1, 2, 3 ] ];
 delete $lacunary->[0]->[1];
@@ -100,3 +100,13 @@ push @tests, [ map Test::Leaner::TestIsDeeplyOverload->new('foo'), 1 .. 2 ];
 for my $t (@tests) {
  is_deeply $t->[0], $t->[1];
 }
+
+# Test vivification of deleted elements of an array
+
+{
+ my @l = (1);
+ $l[2] = 3;
+ is_deeply \@l, [ 1, undef, 3 ];
+ delete $l[2];
+ is_deeply \@l, [ 1 ];
+}