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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
#!./perl -w
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require Config; import Config;
if (!$Config{'d_fork'}
# open2/3 supported on win32 (but not Borland due to CRT bugs)
&& ($^O ne 'MSWin32' || $Config{'cc'} =~ /^bcc/i))
{
print "1..0\n";
exit 0;
}
# make warnings fatal
$SIG{__WARN__} = sub { die @_ };
}
use strict;
use IO::Handle;
use IPC::Open3;
#require 'open3.pl'; use subs 'open3';
my $perl = './perl';
sub ok {
my ($n, $result, $info) = @_;
if ($result) {
print "ok $n\n";
}
else {
print "not ok $n\n";
print "# $info\n" if $info;
}
}
sub cmd_line {
if ($^O eq 'MSWin32') {
my $cmd = shift;
$cmd =~ tr/\r\n//d;
$cmd =~ s/"/\\"/g;
return qq/"$cmd"/;
}
else {
return $_[0];
}
}
my ($pid, $reaped_pid);
STDOUT->autoflush;
STDERR->autoflush;
print "1..21\n";
# basic
ok 1, $pid = open3 'WRITE', 'READ', 'ERROR', $perl, '-e', cmd_line(<<'EOF');
$| = 1;
print scalar <STDIN>;
print STDERR "hi error\n";
EOF
ok 2, print WRITE "hi kid\n";
ok 3, <READ> =~ /^hi kid\r?\n$/;
ok 4, <ERROR> =~ /^hi error\r?\n$/;
ok 5, close(WRITE), $!;
ok 6, close(READ), $!;
ok 7, close(ERROR), $!;
$reaped_pid = waitpid $pid, 0;
ok 8, $reaped_pid == $pid, $reaped_pid;
ok 9, $? == 0, $?;
# read and error together, both named
$pid = open3 'WRITE', 'READ', 'READ', $perl, '-e', cmd_line(<<'EOF');
$| = 1;
print scalar <STDIN>;
print STDERR scalar <STDIN>;
EOF
print WRITE "ok 10\n";
print scalar <READ>;
print WRITE "ok 11\n";
print scalar <READ>;
waitpid $pid, 0;
# read and error together, error empty
$pid = open3 'WRITE', 'READ', '', $perl, '-e', cmd_line(<<'EOF');
$| = 1;
print scalar <STDIN>;
print STDERR scalar <STDIN>;
EOF
print WRITE "ok 12\n";
print scalar <READ>;
print WRITE "ok 13\n";
print scalar <READ>;
waitpid $pid, 0;
# dup writer
ok 14, pipe PIPE_READ, PIPE_WRITE;
$pid = open3 '<&PIPE_READ', 'READ', '',
$perl, '-e', cmd_line('print scalar <STDIN>');
close PIPE_READ;
print PIPE_WRITE "ok 15\n";
close PIPE_WRITE;
print scalar <READ>;
waitpid $pid, 0;
# dup reader
$pid = open3 'WRITE', '>&STDOUT', 'ERROR',
$perl, '-e', cmd_line('print scalar <STDIN>');
print WRITE "ok 16\n";
waitpid $pid, 0;
# dup error: This particular case, duping stderr onto the existing
# stdout but putting stdout somewhere else, is a good case because it
# used not to work.
$pid = open3 'WRITE', 'READ', '>&STDOUT',
$perl, '-e', cmd_line('print STDERR scalar <STDIN>');
print WRITE "ok 17\n";
waitpid $pid, 0;
# dup reader and error together, both named
$pid = open3 'WRITE', '>&STDOUT', '>&STDOUT', $perl, '-e', cmd_line(<<'EOF');
$| = 1;
print STDOUT scalar <STDIN>;
print STDERR scalar <STDIN>;
EOF
print WRITE "ok 18\n";
print WRITE "ok 19\n";
waitpid $pid, 0;
# dup reader and error together, error empty
$pid = open3 'WRITE', '>&STDOUT', '', $perl, '-e', cmd_line(<<'EOF');
$| = 1;
print STDOUT scalar <STDIN>;
print STDERR scalar <STDIN>;
EOF
print WRITE "ok 20\n";
print WRITE "ok 21\n";
waitpid $pid, 0;
|
