xref: /openbsd/gnu/usr.bin/perl/t/op/or.t (revision db3296cf)
1#!./perl
2
3# Test || in weird situations.
4
5BEGIN {
6    chdir 't' if -d 't';
7    @INC = '../lib';
8}
9
10
11package Countdown;
12
13sub TIESCALAR {
14  my $class = shift;
15  my $instance = shift || undef;
16  return bless \$instance => $class;
17}
18
19sub FETCH {
20  print "# FETCH!  ${$_[0]}\n";
21  return ${$_[0]}--;
22}
23
24
25package main;
26require './test.pl';
27
28plan( tests => 8 );
29
30
31my ($a, $b, $c);
32
33$! = 1;
34$a = $!;
35my $a_str = sprintf "%s", $a;
36my $a_num = sprintf "%d", $a;
37
38$c = $a || $b;
39
40is($c, $a_str);
41is($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 || $b;
46
47is($c, $a_str);
48is($c+0, $a_num);   # force numeric context.
49
50my $val = 3;
51
52$c = $val || $b;
53is($c, 3);
54
55tie $a, 'Countdown', $val;
56
57$c = $a;
58is($c, 3,       'Single FETCH on tied scalar');
59
60$c = $a;
61is($c, 2,       '   $tied = $var');
62
63$c = $a || $b;
64
65{
66    local $TODO = 'Double FETCH';
67    is($c, 1,   '   $tied || $var');
68}
69