File: ro.t

package info (click to toggle)
libmethod-signatures-perl 20170211-3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 672 kB
  • sloc: perl: 3,860; makefile: 2
file content (26 lines) | stat: -r--r--r-- 418 bytes parent folder | download | duplicates (7) 
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
 
#!/usr/bin/perl -w

use strict;
use warnings;

use Test::More 'no_plan';

{
    package Stuff;

    use Test::More;
    use Method::Signatures;

    method echo($arg is ro) {
        return $arg;
    }

#line 19
    method naughty($arg is ro) {
        $arg++
    }

    is( Stuff->echo(42), 42 );
    ok !eval { Stuff->naughty(23) };
    like $@, qr/^Modification of a read-only value attempted at \Q$0\E line 20/;
}