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#!perl
use strict;
use warnings;
use Scope::Upper qw/localize_delete UP HERE/;
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;
{
local @a;
tie @a, 'Scope::Upper::Test::TiedArray';
@a = (5 .. 7);
local $a[4] = 9;
is $deleted, undef, 'localize_delete @tied_array, $existent => HERE [not deleted]';
{
localize_delete '@a', 4 => HERE;
is $deleted, 1, 'localize_delete @tied_array, $existent => HERE [deleted]';
is_deeply \@a, [ 5 .. 7 ], 'localize_delete @tied_array, $existent => HERE [ok]';
}
is_deeply \@a, [ 5 .. 7, undef, 9 ], 'localize_elem @incomplete_tied_array, $nonexistent, 12 => HERE [end]';
is $deleted, 1, 'localize_delete @tied_array, $existent => HERE [not more deleted]';
}
{
local @a;
tie @a, 'Scope::Upper::Test::TiedArray';
@a = (4 .. 6);
local $a[4] = 7;
{
localize_delete '@main::a', -1 => HERE;
is_deeply \@a, [ 4 .. 6 ], 'localize_delete @tied_array, $existent_neg => HERE [ok]';
}
is_deeply \@a, [ 4 .. 6, undef, 7 ], 'localize_delete @tied_array, $existent_neg => HERE [end]';
}
SKIP:
{
skip '$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;
tie @a, 'Scope::Upper::Test::TiedArray';
@a = (4 .. 6);
local $a[4] = 7;
{
localize_delete '@main::a', -1 => HERE;
is_deeply \@a, [ 4 .. 6 ], 'localize_delete @tied_array_wo_neg, $existent_neg => HERE [ok]';
}
is_deeply \@a, [ 4, 5, 7 ], 'localize_delete @tied_array_wo_neg, $existent_neg => HERE [end]';
}
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