xref: /openbsd/gnu/usr.bin/perl/t/io/pvbm.t (revision 73471bf0) 
1#!./perl
2
3# Test that various IO functions don't try to treat PVBMs as
4# filehandles. Most of these will segfault perl if they fail.
5
6BEGIN {
7    chdir 't' if -d 't';
8    require "./test.pl";
9    set_up_inc(qw(. ../lib));
10}
11
12BEGIN { $| = 1 }
13
14plan(28);
15
16sub PVBM () { 'foo' }
17{ my $dummy = index 'foo', PVBM }
18
19{
20    my $which;
21    {
22        package Tie;
23
24        sub TIEHANDLE { $which = 'TIEHANDLE' }
25        sub TIESCALAR { $which = 'TIESCALAR' }
26    }
27    my $pvbm = PVBM;
28
29    tie $pvbm, 'Tie';
30    is ($which, 'TIESCALAR', 'PVBM gets TIESCALAR');
31}
32
33{
34    my $pvbm = PVBM;
35    ok (scalar eval { untie $pvbm; 1 }, 'untie(PVBM) doesn\'t segfault');
36    ok (scalar eval { tied $pvbm; 1  }, 'tied(PVBM) doesn\'t segfault');
37}
38
39{
40    my $pvbm = PVBM;
41
42    ok (scalar eval { pipe $pvbm, PIPE; }, 'pipe(PVBM, ) succeeds');
43    close foo;
44    close PIPE;
45    ok (scalar eval { pipe PIPE, $pvbm;  }, 'pipe(, PVBM) succeeds');
46    close foo;
47    close PIPE;
48    ok (!eval { pipe \$pvbm, PIPE;  }, 'pipe(PVBM ref, ) fails');
49    ok (!eval { pipe PIPE, \$pvbm;  }, 'pipe(, PVBM ref) fails');
50
51    ok (!eval { truncate $pvbm, 0 }, 'truncate(PVBM) fails');
52    ok (!eval { truncate \$pvbm, 0}, 'truncate(PVBM ref) fails');
53
54    ok (!eval { stat $pvbm }, 'stat(PVBM) fails');
55    ok (!eval { stat \$pvbm }, 'stat(PVBM ref) fails');
56
57    ok (!eval { lstat $pvbm }, 'lstat(PVBM) fails');
58    ok (!eval { lstat \$pvbm }, 'lstat(PVBM ref) fails');
59
60    ok (!eval { chdir $pvbm }, 'chdir(PVBM) fails');
61    ok (!eval { chdir \$pvbm }, 'chdir(pvbm ref) fails');
62
63    ok (!eval { close $pvbm }, 'close(PVBM) fails');
64    ok (!eval { close $pvbm }, 'close(PVBM ref) fails');
65
66    ok (!eval { chmod 0600, $pvbm }, 'chmod(PVBM) fails');
67    ok (!eval { chmod 0600, \$pvbm }, 'chmod(PVBM ref) fails');
68
69    SKIP: {
70        skip('chown() not implemented on Win32', 2) if $^O eq 'MSWin32';
71        ok (!eval { chown 0, 0, $pvbm }, 'chown(PVBM) fails');
72        ok (!eval { chown 0, 0, \$pvbm }, 'chown(PVBM ref) fails');
73    }
74
75    ok (!eval { utime 0, 0, $pvbm }, 'utime(PVBM) fails');
76    ok (!eval { utime 0, 0, \$pvbm }, 'utime(PVBM ref) fails');
77
78    ok (!eval { <$pvbm> }, '<PVBM> fails');
79    ok (!eval { readline $pvbm }, 'readline(PVBM) fails');
80    ok (!eval { readline \$pvbm }, 'readline(PVBM ref) fails');
81
82    ok (!eval { open $pvbm, '<', 'none.such' }, 'open(PVBM) fails');
83    ok (!eval { open \$pvbm, '<', 'none.such', }, 'open(PVBM ref) fails');
84}
85