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|
#!perl -T
use strict;
use warnings;
use Test::More tests => 10 + 5 + 6;
use Scope::Upper qw<localize UP HERE>;
our $x;
sub loc { local $x; my $y = $_[0]; localize '$x', $y => $_[1] }
$x = 0;
{
is($x, 0, 'start');
local $x = 7;
{
local $x = 8;
loc 1 => UP;
is($x, 8, 'not localized');
local $x = 9;
is($x, 9, 'not localized');
}
is($x, 1, 'localized to 1');
{
is($x, 1, 'localized to 1');
{
is($x, 1, 'localized to 1');
local $x = 10;
is($x, 10, 'localized to undef');
}
is($x, 1, 'localized to 1');
}
is($x, 1, 'localized to 1');
}
is($x, 0, 'end');
$x = 0;
{
is($x, 0, 'start');
local $x = 8;
{
{
local $x = 8;
loc 1 => UP UP;
is($x, 8, 'not localized');
}
loc 2 => HERE;
is($x, 2, 'localized to 2');
}
is($x, 1, 'localized to 1');
}
is($x, 0, 'end');
$x = 0;
{
is($x, 0, 'start');
local $x;
{
{
loc 1 => UP UP;
is($x, undef, 'not localized');
local $x;
loc 2 => UP;
is($x, undef, 'not localized');
}
is($x, 2, 'localized to 2');
}
is($x, 1, 'localized to 1');
}
is($x, 0, 'end');
|
