xref: /openbsd/gnu/usr.bin/perl/t/op/pos.t (revision 898184e3)
1#!./perl
2
3BEGIN {
4    chdir 't' if -d 't';
5    @INC = '../lib';
6    require './test.pl';
7}
8
9plan tests => 8;
10
11$x='banana';
12$x=~/.a/g;
13is(pos($x), 2);
14
15$x=~/.z/gc;
16is(pos($x), 2);
17
18sub f { my $p=$_[0]; return $p }
19
20$x=~/.a/g;
21is(f(pos($x)), 4);
22
23# Is pos() set inside //g? (bug id 19990615.008)
24$x = "test string?"; $x =~ s/\w/pos($x)/eg;
25is($x, "0123 5678910?");
26
27$x = "123 56"; $x =~ / /g;
28is(pos($x), 4);
29{ local $x }
30is(pos($x), 4);
31
32# Explicit test that triggers the utf8_mg_len_cache_update() code path in
33# Perl_sv_pos_b2u().
34
35$x = "\x{100}BC";
36$x =~ m/.*/g;
37is(pos $x, 3);
38
39
40my $destroyed;
41{ package Class; DESTROY { ++$destroyed; } }
42
43$destroyed = 0;
44{
45    my $x = '';
46    pos($x) = 0;
47    $x = bless({}, 'Class');
48}
49is($destroyed, 1, 'Timely scalar destruction with lvalue pos');
50