Reorder tests

[perl/modules/Scope-Upper.git] / t / 44-localize_delete-magic.t

diff --git a/t/44-localize_delete-magic.t b/t/44-localize_delete-magic.t
new file mode 100644 (file)
index 0000000..0b93050
--- /dev/null
+++ b/t/44-localize_delete-magic.t
@@ -0,0 +1,63 @@
+#!perl
+
+use strict;
+use warnings;
+
+use Scope::Upper qw/localize_delete/;
+
+use Test::More tests => 9;
+
+our $deleted;
+
+{
+ package Scope::Upper::Test::TiedArray;
+
+ sub TIEARRAY { bless [], $_[0] }
+ sub STORE { $_[0]->[$_[1]] = $_[2] }
+ sub FETCH { $_[0]->[$_[1]] }
+ sub CLEAR { @{$_[0]} = (); }
+ sub FETCHSIZE { scalar @{$_[0]} }
+ sub DELETE { ++$main::deleted; delete $_[0]->[$_[1]] }
+ sub EXTEND {}
+
+ our $NEGATIVE_INDICES = 0;
+}
+
+our @a;
+
+tie @a, 'Scope::Upper::Test::TiedArray';
+{
+ local @a = (5 .. 7);
+ local $a[4] = 9;
+ is $deleted, undef, 'localize_delete @tied_array, $existent => 0 [not deleted]';
+ {
+  localize_delete '@a', 4 => 0;
+  is $deleted, 1, 'localize_delete @tied_array, $existent => 0 [deleted]';
+  is_deeply \@a, [ 5 .. 7 ], 'localize_delete @tied_array, $existent => 0 [ok]';
+ }
+ is_deeply \@a, [ 5 .. 7, undef, 9 ], 'localize_elem @incomplete_tied_array, $nonexistent, 12 => 0 [end]';
+ is $deleted, 1, 'localize_delete @tied_array, $existent => 0 [not more deleted]';
+}
+
+{
+ local @a = (4 .. 6);
+ local $a[4] = 7;
+ {
+  localize_delete '@main::a', -1, 0;
+  is_deeply \@a, [ 4 .. 6 ], 'localize_delete @tied_array, $existent_neg => 0 [ok]';
+ }
+ is_deeply \@a, [ 4 .. 6, undef, 7 ], 'localize_delete @tied_array, $existent_neg => 0 [end]';
+}
+
+SKIP:
+{
+ skip '$NEGATIVE_INDICES has no special meaning on 5.8.0 and older' => 2 if $] < 5.008_001;
+ local $Scope::Upper::Test::TiedArray::NEGATIVE_INDICES = 1;
+ local @a = (4 .. 6);
+ local $a[4] = 7;
+ {
+  localize_delete '@main::a', -1, 0;
+  is_deeply \@a, [ 4 .. 6 ], 'localize_delete @tied_array_wo_neg, $existent_neg => 0 [ok]';
+ }
+ is_deeply \@a, [ 4, 5, 7 ], 'localize_delete @tied_array_wo_neg, $existent_neg => 0 [end]';
+}