| 1 | #!./perl |
| 2 | |
| 3 | # Test || in weird situations. |
| 4 | |
| 5 | BEGIN { |
| 6 | chdir 't' if -d 't'; |
| 7 | @INC = '../lib'; |
| 8 | } |
| 9 | |
| 10 | |
| 11 | package Countdown; |
| 12 | |
| 13 | sub TIESCALAR { |
| 14 | my $class = shift; |
| 15 | my $instance = shift || undef; |
| 16 | return bless \$instance => $class; |
| 17 | } |
| 18 | |
| 19 | sub FETCH { |
| 20 | print "# FETCH! ${$_[0]}\n"; |
| 21 | return ${$_[0]}--; |
| 22 | } |
| 23 | |
| 24 | |
| 25 | package main; |
| 26 | require './test.pl'; |
| 27 | |
| 28 | plan( tests => 8 ); |
| 29 | |
| 30 | |
| 31 | my ($a, $b, $c); |
| 32 | |
| 33 | $! = 1; |
| 34 | $a = $!; |
| 35 | my $a_str = sprintf "%s", $a; |
| 36 | my $a_num = sprintf "%d", $a; |
| 37 | |
| 38 | $c = $a || $b; |
| 39 | |
| 40 | is($c, $a_str); |
| 41 | is($c+0, $a_num); # force numeric context. |
| 42 | |
| 43 | $a =~ /./g or die "Match failed for some reason"; # Make $a magic |
| 44 | |
| 45 | $c = $a || $b; |
| 46 | |
| 47 | is($c, $a_str); |
| 48 | is($c+0, $a_num); # force numeric context. |
| 49 | |
| 50 | my $val = 3; |
| 51 | |
| 52 | $c = $val || $b; |
| 53 | is($c, 3); |
| 54 | |
| 55 | tie $a, 'Countdown', $val; |
| 56 | |
| 57 | $c = $a; |
| 58 | is($c, 3, 'Single FETCH on tied scalar'); |
| 59 | |
| 60 | $c = $a; |
| 61 | is($c, 2, ' $tied = $var'); |
| 62 | |
| 63 | $c = $a || $b; |
| 64 | |
| 65 | { |
| 66 | local $TODO = 'Double FETCH'; |
| 67 | is($c, 1, ' $tied || $var'); |
| 68 | } |