1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
use warnings;
use strict;
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
plan(tests => 4);
}
use overload '""' => sub { 'stringvalue' }, fallback => 1;
BEGIN {
my $x = bless {}, 'main';
ok ($x eq 'stringvalue', 'fallback worked');
}
# NOTE: delete the next line and this test script will pass
use overload '+' => sub { die "unused"; };
my $x = bless {}, 'main';
ok (eval {$x eq 'stringvalue'}, 'fallback worked again');
TODO: {
local $::TODO = 'RT #43356: Autogeneration of ++ is incorrect';
fresh_perl_is(<<'EOC', '2', {}, 'RT #43356: Autogeneration of ++');
use overload
"0+" => sub { ${$_[0]} },
"=" => sub { ${$_[0]} },
fallback => 1;
my $value = bless \(my $dummy = 1), __PACKAGE__;
print ++$value;
EOC
}
{
my $warned = 0;
local $SIG{__WARN__} = sub { $warned++; };
eval q{
use overload '${}', 'fallback';
no overload '${}', 'fallback';
};
ok($warned == 0, 'no overload should not warn');
}
|
