#!./perl # Test || in weird situations. BEGIN { chdir 't' if -d 't'; @INC = '../lib'; } package Countdown; sub TIESCALAR { my $class = shift; my $instance = shift || undef; return bless \$instance => $class; } sub FETCH { print "# FETCH! ${$_[0]}\n"; return ${$_[0]}--; } package main; require './test.pl'; plan( tests => 8 ); my ($a, $b, $c); $! = 1; $a = $!; my $a_str = sprintf "%s", $a; my $a_num = sprintf "%d", $a; $c = $a || $b; is($c, $a_str); is($c+0, $a_num); # force numeric context. $a =~ /./g or die "Match failed for some reason"; # Make $a magic $c = $a || $b; is($c, $a_str); is($c+0, $a_num); # force numeric context. my $val = 3; $c = $val || $b; is($c, 3); tie $a, 'Countdown', $val; $c = $a; is($c, 3, 'Single FETCH on tied scalar'); $c = $a; is($c, 2, ' $tied = $var'); $c = $a || $b; { local $TODO = 'Double FETCH'; is($c, 1, ' $tied || $var'); }