This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
dist/Safe/t/safeutf8.t: Fix to work on early Perls
[perl5.git] / dist / Safe / t / safeutf8.t
CommitLineData
90066512
TB
1#!perl -w
2$|=1;
3BEGIN {
4 require Config; import Config;
5 if ($Config{'extensions'} !~ /\bOpcode\b/ && $Config{'osname'} ne 'VMS') {
6 print "1..0\n";
7 exit 0;
8 }
9}
10
11use Test::More tests => 7;
12
13use Safe 1.00;
14use Opcode qw(full_opset);
15
16pass;
17
18my $safe = Safe->new('PLPerl');
40b46ab8 19$safe->deny_only();
90066512
TB
20
21# Expression that triggers require utf8 and call to SWASHNEW.
22# Fails with "Undefined subroutine PLPerl::utf8::SWASHNEW called"
23# if SWASHNEW is not shared, else returns true if unicode logic is working.
410a87cf
KW
24# (For early Perls we don't take into account EBCDIC, so will fail there
25my $trigger = q{ my $a = pack('U',0xC4); my $b = chr }
26 . (($] lt 5.007_003) ? "" : 'utf8::unicode_to_native(')
27 . '0xE4'
28 . (($] lt 5.007_003) ? "" : ')')
29 . q{; utf8::upgrade $b; $a =~ /$b/i };
90066512
TB
30
31ok $safe->reval( $trigger ), 'trigger expression should return true';
32is $@, '', 'trigger expression should not die';
33
34# return a closure
35my $sub = $safe->reval(q{sub { warn pack('U',0xC4) }});
36
37# define code outside Safe that'll be triggered from inside
38my @warns;
39$SIG{__WARN__} = sub {
40 my $msg = shift;
41 # this regex requires a different SWASH digit data for \d)
42 # than the one used above and by the trigger code in Safe.pm
43 $msg =~ s/\(eval \d+\)/XXX/i; # uses IsDigit SWASH
44 push @warns, $msg;
45};
46
47is eval { $sub->() }, 1, 'warn should return 1';
48is $@, '', '__WARN__ hook should not die';
49is @warns, 1, 'should only be 1 warning';
50like $warns[0], qr/at XXX line/, 'warning should have been edited';
51