Small optimisations, by Brandon Black
[p5sagit/p5-mst-13.2.git] / t / op / or.t
CommitLineData
1a28061a 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}