11 my $Perl = which_perl();
19 (my $data2 = $data) =~ s/\n/\n\n/g;
21 my $t1 = { data => $data, write_c => [1,2,length $data], read_c => [1,2,3,length $data]};
22 my $t2 = { data => $data2, write_c => [1,2,length $data2], read_c => [1,2,3,length $data2]};
24 $_->{write_c} = [1..length($_->{data})],
25 $_->{read_c} = [1..length($_->{data})+1, 0xe000] # Need <0xffff for REx
28 my $c; # len write tests, for each: one _all test, and 3 each len+2
29 $c += @{$_->{write_c}} * (1 + 3*@{$_->{read_c}}) for $t1, $t2;
30 $c *= 3*2*2; # $how_w, file/pipe, 2 reports
32 $c += 6; # Tests with sleep()...
37 $set_out = "binmode STDOUT, ':crlf'"
38 if defined $main::use_crlf && $main::use_crlf == 1;
40 sub testread ($$$$$$$) {
41 my ($fh, $str, $read_c, $how_r, $write_c, $how_w, $why) = @_;
43 if ($how_r eq 'readline_all') {
44 $buf .= $_ while <$fh>;
45 } elsif ($how_r eq 'readline') {
47 $buf .= $_ while <$fh>;
48 } elsif ($how_r eq 'read') {
50 $buf .= $in while $c = read($fh, $in, $read_c);
51 } elsif ($how_r eq 'sysread') {
53 $buf .= $in while $c = sysread($fh, $in, $read_c);
55 die "Unrecognized read: '$how_r'";
57 close $fh or die "close: $!";
58 # The only contamination allowed is with sysread/prints
59 $buf =~ s/\r\n/\n/g if $how_r eq 'sysread' and $how_w =~ /print/;
60 is(length $buf, length $str, "length with wrc=$write_c, rdc=$read_c, $how_w, $how_r, $why");
61 is($buf, $str, "content with wrc=$write_c, rdc=$read_c, $how_w, $how_r, $why");
64 sub testpipe ($$$$$$) {
65 my ($str, $write_c, $read_c, $how_w, $how_r, $why) = @_;
66 (my $quoted = $str) =~ s/\n/\\n/g;;
68 if ($how_w eq 'print') { # AUTOFLUSH???
69 # Should be shell-neutral:
70 open $fh, '-|', qq[$Perl -we "$set_out;print for grep length, split /(.{1,$write_c})/s, qq($quoted)"] or die "open: $!";
71 } elsif ($how_w eq 'print/flush') {
72 # shell-neutral and miniperl-enabled autoflush? qq(\x24\x7c) eq '$|'
73 open $fh, '-|', qq[$Perl -we "$set_out;eval qq(\\x24\\x7c = 1) or die;print for grep length, split /(.{1,$write_c})/s, qq($quoted)"] or die "open: $!";
74 } elsif ($how_w eq 'syswrite') {
75 ### How to protect \$_
76 open $fh, '-|', qq[$Perl -we "$set_out;eval qq(sub w {syswrite STDOUT, \\x24_} 1) or die; w() for grep length, split /(.{1,$write_c})/s, qq($quoted)"] or die "open: $!";
78 die "Unrecognized write: '$how_w'";
81 if defined $main::use_crlf && $main::use_crlf == 1;
82 testread($fh, $str, $read_c, $how_r, $write_c, $how_w, "pipe$why");
85 sub testfile ($$$$$$) {
86 my ($str, $write_c, $read_c, $how_w, $how_r, $why) = @_;
87 my @data = grep length, split /(.{1,$write_c})/s, $str;
89 open my $fh, '>', 'io_io.tmp' or die;
92 if defined $main::use_crlf && $main::use_crlf == 1;
93 if ($how_w eq 'print') { # AUTOFLUSH???
95 print $fh $_ for @data;
96 } elsif ($how_w eq 'print/flush') {
98 print $fh $_ for @data;
99 } elsif ($how_w eq 'syswrite') {
100 syswrite $fh, $_ for @data;
102 die "Unrecognized write: '$how_w'";
104 close $fh or die "close: $!";
105 open $fh, '<', 'io_io.tmp' or die;
107 if defined $main::use_crlf && $main::use_crlf == 1;
108 testread($fh, $str, $read_c, $how_r, $write_c, $how_w, "file$why");
111 # shell-neutral and miniperl-enabled autoflush? qq(\x24\x7c) eq '$|'
112 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: $!";
114 binmode $fh, q(:crlf);
118 push @c, ord $c while $c = getc $fh;
120 is(scalar @c, 9, 'got 9 chars');
121 is("@c", '97 10 98 10 10 99 10 10 10', 'got expected chars');
122 ok(close($fh), 'close');
125 my $t = ($t1, $t2)[$s-1];
126 my $str = $t->{data};
127 my $r = $t->{read_c};
128 my $w = $t->{write_c};
129 for my $read_c (@$r) {
130 for my $write_c (@$w) {
131 for my $how_r (qw(readline_all readline read sysread)) {
132 next if $how_r eq 'readline_all' and $read_c != 1;
133 for my $how_w (qw(print print/flush syswrite)) {
134 testfile($str, $write_c, $read_c, $how_w, $how_r, $s);
135 testpipe($str, $write_c, $read_c, $how_w, $how_r, $s);