source: vendor/perl/5.8.8/t/comp/our.t

#!./perl

BEGIN {
    chdir 't';
    @INC = '../lib';
    require './test.pl';
}

print "1..7\n";

{
    package TieAll;
    # tie, track, and report what calls are made
    my @calls;
    sub AUTOLOAD {
        for ($AUTOLOAD =~ /TieAll::(.*)/) {
            if (/TIE/) { return bless {} }
            elsif (/calls/) { return join ',', splice @calls }
            else {
               push @calls, $_;
               # FETCHSIZE doesn't like undef
               # if FIRSTKEY, see if NEXTKEY is also called
               return 1 if /FETCHSIZE|FIRSTKEY/;
               return;
            }
        }
    }
}

tie $x, 'TieAll';
tie @x, 'TieAll';
tie %x, 'TieAll';

{our $x;}
is(TieAll->calls, '', 'our $x has no runtime effect');

{our ($x);}
is(TieAll->calls, '', 'our ($x) has no runtime effect');

{our %x;}
is(TieAll->calls, '', 'our %x has no runtime effect');

{our (%x);}
is(TieAll->calls, '', 'our (%x) has no runtime effect');

{our @x;}
is(TieAll->calls, '', 'our @x has no runtime effect');

{our (@x);}
is(TieAll->calls, '', 'our (@x) has no runtime effect');


$y = 1;
{
    my $y = 2;
    {
        our $y = $y;
        is($y, 2, 'our shouldnt be visible until introduced')
    }
}