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#!./perl
BEGIN {
if ($^O eq 'VMS') {
print "1..0 # Skip on VMS -- too picky about line endings for record-oriented pipes\n";
exit;
}
chdir 't' if -d 't';
@INC = '../lib';
}
use strict;
require './test.pl';
my $Perl = which_perl();
my $data = <<'EOD';
x
yy
z
EOD
(my $data2 = $data) =~ s/\n/\n\n/g;
my $t1 = { data => $data, write_c => [1,2,length $data], read_c => [1,2,3,length $data]};
my $t2 = { data => $data2, write_c => [1,2,length $data2], read_c => [1,2,3,length $data2]};
$_->{write_c} = [1..length($_->{data})],
$_->{read_c} = [1..length($_->{data})+1, 0xe000] # Need <0xffff for REx
for (); # $t1, $t2;
my $c; # len write tests, for each: one _all test, and 3 each len+2
$c += @{$_->{write_c}} * (1 + 3*@{$_->{read_c}}) for $t1, $t2;
$c *= 3*2*2; # $how_w, file/pipe, 2 reports
$c += 6; # Tests with sleep()...
print "1..$c\n";
my $set_out = '';
$set_out = "binmode STDOUT, ':crlf'"
if defined $main::use_crlf && $main::use_crlf == 1;
sub testread ($$$$$$$) {
my ($fh, $str, $read_c, $how_r, $write_c, $how_w, $why) = @_;
my $buf = '';
if ($how_r eq 'readline_all') {
$buf .= $_ while <$fh>;
} elsif ($how_r eq 'readline') {
$/ = \$read_c;
$buf .= $_ while <$fh>;
} elsif ($how_r eq 'read') {
my($in, $c);
$buf .= $in while $c = read($fh, $in, $read_c);
} elsif ($how_r eq 'sysread') {
my($in, $c);
$buf .= $in while $c = sysread($fh, $in, $read_c);
} else {
die "Unrecognized read: '$how_r'";
}
close $fh or die "close: $!";
# The only contamination allowed is with sysread/prints
$buf =~ s/\r\n/\n/g if $how_r eq 'sysread' and $how_w =~ /print/;
is(length $buf, length $str, "length with wrc=$write_c, rdc=$read_c, $how_w, $how_r, $why");
is($buf, $str, "content with wrc=$write_c, rdc=$read_c, $how_w, $how_r, $why");
}
sub testpipe ($$$$$$) {
my ($str, $write_c, $read_c, $how_w, $how_r, $why) = @_;
(my $quoted = $str) =~ s/\n/\\n/g;;
my $fh;
if ($how_w eq 'print') { # AUTOFLUSH???
# Should be shell-neutral:
open $fh, '-|', qq[$Perl -we "$set_out;print for grep length, split /(.{1,$write_c})/s, qq($quoted)"] or die "open: $!";
} elsif ($how_w eq 'print/flush') {
# shell-neutral and miniperl-enabled autoflush? qq(\x24\x7c) eq '$|'
open $fh, '-|', qq[$Perl -we "$set_out;eval qq(\\x24\\x7c = 1) or die;print for grep length, split /(.{1,$write_c})/s, qq($quoted)"] or die "open: $!";
} elsif ($how_w eq 'syswrite') {
### How to protect \$_
open $fh, '-|', qq[$Perl -we "$set_out;eval qq(sub w {syswrite STDOUT, \\x24_} 1) or die; w() for grep length, split /(.{1,$write_c})/s, qq($quoted)"] or die "open: $!";
} else {
die "Unrecognized write: '$how_w'";
}
binmode $fh, ':crlf'
if defined $main::use_crlf && $main::use_crlf == 1;
testread($fh, $str, $read_c, $how_r, $write_c, $how_w, "pipe$why");
}
sub testfile ($$$$$$) {
my ($str, $write_c, $read_c, $how_w, $how_r, $why) = @_;
my @data = grep length, split /(.{1,$write_c})/s, $str;
my $filename = tempfile();
open my $fh, '>', $filename or die;
select $fh;
binmode $fh, ':crlf'
if defined $main::use_crlf && $main::use_crlf == 1;
if ($how_w eq 'print') { # AUTOFLUSH???
$| = 0;
print $fh $_ for @data;
} elsif ($how_w eq 'print/flush') {
$| = 1;
print $fh $_ for @data;
} elsif ($how_w eq 'syswrite') {
syswrite $fh, $_ for @data;
} else {
die "Unrecognized write: '$how_w'";
}
close $fh or die "close: $!";
open $fh, '<', $filename or die;
binmode $fh, ':crlf'
if defined $main::use_crlf && $main::use_crlf == 1;
testread($fh, $str, $read_c, $how_r, $write_c, $how_w, "file$why");
}
# shell-neutral and miniperl-enabled autoflush? qq(\x24\x7c) eq '$|'
open my $fh, '-|', qq[$Perl -we "eval qq(\\x24\\x7c = 1) or die; binmode STDOUT; sleep 1, print for split //, qq(a\nb\n\nc\n\n\n)"] or die "open: $!";
ok(1, 'open pipe');
binmode $fh, q(:crlf);
ok(1, 'binmode');
$c = undef;
my @c;
push @c, ord $c while $c = getc $fh;
ok(1, 'got chars');
is(scalar @c, 9, 'got 9 chars');
is("@c", '97 10 98 10 10 99 10 10 10', 'got expected chars');
ok(close($fh), 'close');
for my $s (1..2) {
my $t = ($t1, $t2)[$s-1];
my $str = $t->{data};
my $r = $t->{read_c};
my $w = $t->{write_c};
for my $read_c (@$r) {
for my $write_c (@$w) {
for my $how_r (qw(readline_all readline read sysread)) {
next if $how_r eq 'readline_all' and $read_c != 1;
for my $how_w (qw(print print/flush syswrite)) {
testfile($str, $write_c, $read_c, $how_w, $how_r, $s);
testpipe($str, $write_c, $read_c, $how_w, $how_r, $s);
}
}
}
}
}
1;
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