13 my $tests_needing_perlio = 17;
14 plan(12 + $tests_needing_perlio);
17 open(DUPOUT,">&STDOUT");
18 open(DUPERR,">&STDERR");
20 open(STDOUT,">Io.dup") || die "Can't open stdout";
21 open(STDERR,">&STDOUT") || die "Can't open stderr";
23 select(STDERR); $| = 1;
24 select(STDOUT); $| = 1;
26 print STDOUT "ok 2\n";
27 print STDERR "ok 3\n";
29 # Since some systems don't have echo, we use Perl.
30 $echo = qq{$^X -le "print q(ok %d)"};
32 $cmd = sprintf $echo, 4;
35 $cmd = sprintf "$echo 1>&2", 5;
36 $cmd = sprintf $echo, 5 if $^O eq 'MacOS'; # don't know if we can do this ...
39 # KNOWN BUG system() does not honor STDOUT redirections on VMS.
41 print "not ok $_ # TODO system() not honoring STDOUT redirect on VMS\n"
45 system sprintf $echo, 6;
47 system sprintf $echo, 7;
50 system sprintf "$echo 1>&2", 7;
54 close(STDOUT) or die "Could not close: $!";
55 close(STDERR) or die "Could not close: $!";
57 open(STDOUT,">&DUPOUT") or die "Could not open: $!";
58 open(STDERR,">&DUPERR") or die "Could not open: $!";
60 if (($^O eq 'MSWin32') || ($^O eq 'NetWare') || ($^O eq 'VMS')) { print `type Io.dup` }
61 elsif ($^O eq 'MacOS') { system 'catenate Io.dup' }
62 else { system 'cat Io.dup' }
65 print STDOUT "ok 8\n";
67 open(F,">&",1) or die "Cannot dup to numeric 1: $!";
71 open(F,">&",'1') or die "Cannot dup to string '1': $!";
75 open(F,">&=",1) or die "Cannot dup to numeric 1: $!";
79 if ($Config{useperlio}) {
80 open(F,">&=",'1') or die "Cannot dup to string '1': $!";
84 open(F, ">&DUPOUT") or die "Cannot dup stdout back: $!";
90 open(F, ">&DUPOUT") or die "Cannot dup stdout back: $!";
95 skip("need perlio", $tests_needing_perlio) unless $Config{useperlio};
97 ok(open(F, ">&", STDOUT));
98 isnt(fileno(F), fileno(STDOUT));
101 ok(open(F, "<&=STDIN")) or _diag $!;
102 is(fileno(F), fileno(STDIN));
105 ok(open(F, ">&=STDOUT"));
106 is(fileno(F), fileno(STDOUT));
109 ok(open(F, ">&=STDERR"));
110 is(fileno(F), fileno(STDERR));
113 open(G, ">dup$$") or die;
116 ok(open(F, ">&=$g"));
126 close G; # flush first
127 close F; # flush second
129 open(G, "<dup$$") or die;
132 $line = <G>; chomp $line; is($line, "ggg");
133 $line = <G>; chomp $line; is($line, "fff");
137 open UTFOUT, '>:utf8', "dup$$" or die $!;
138 open UTFDUP, '>&UTFOUT' or die $!;
139 # some old greek saying.
140 my $message = "\x{03A0}\x{0391}\x{039D}\x{03A4}\x{0391} \x{03A1}\x{0395}\x{0399}\n";
141 print UTFOUT $message;
142 print UTFDUP $message;
143 binmode UTFDUP, ':utf8';
144 print UTFDUP $message;
147 open(UTFIN, "<:utf8", "dup$$") or die $!;
150 $line = <UTFIN>; is($line, $message);
151 $line = <UTFIN>; is($line, $message);
152 $line = <UTFIN>; is($line, $message);
156 END { 1 while unlink "dup$$" }