150 lines
3.5 KiB
Perl
150 lines
3.5 KiB
Perl
#!./perl -w
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BEGIN {
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chdir 't' if -d 't';
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@INC = '../lib';
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our %Config;
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require Config; Config->import;
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if (!%Config{'d_fork'}
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# open2/3 supported on win32 (but not Borland due to CRT bugs)
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&& (($^O ne 'MSWin32' && $^O ne 'NetWare') || %Config{'cc'} =~ m/^bcc/i))
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{
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print "1..0\n";
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exit 0;
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}
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# make warnings fatal
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$^WARN_HOOK = sub { die @_ };
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}
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use strict;
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use IO::Handle;
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use IPC::Open3;
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my $perl = $^X;
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sub ok {
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my ($n, $result, $info) = @_;
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if ($result) {
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print "ok $n\n";
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}
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else {
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print "not ok $n\n";
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print "# $info\n" if $info;
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}
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}
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sub cmd_line {
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if ($^O eq 'MSWin32' || $^O eq 'NetWare') {
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my $cmd = shift;
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$cmd =~ tr/\r\n//d;
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$cmd =~ s/"/\\"/g;
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return qq/"$cmd"/;
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}
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else {
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return @_[0];
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}
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}
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my ($pid, $reaped_pid);
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STDOUT->autoflush;
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STDERR->autoflush;
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print "1..22\n";
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# basic
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ok 1, $pid = open3 *WRITE, *READ, *ERROR, $perl, '-e', cmd_line(<<'EOF');
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$| = 1;
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print scalar ~< *STDIN;
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print STDERR "hi error\n";
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EOF
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ok 2, print WRITE "hi kid\n";
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ok 3, (~< *READ) =~ m/^hi kid\r?\n$/;
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ok 4, (~< *ERROR) =~ m/^hi error\r?\n$/;
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ok 5, close(*WRITE), $!;
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ok 6, close(*READ), $!;
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ok 7, close(*ERROR), $!;
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$reaped_pid = waitpid $pid, 0;
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ok 8, $reaped_pid == $pid, $reaped_pid;
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ok 9, $? == 0, $?;
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# read and error together, both named
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$pid = open3 *WRITE, *READ, *READ, $perl, '-e', cmd_line(<<'EOF');
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$| = 1;
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print scalar ~< *STDIN;
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print STDERR scalar ~< *STDIN;
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EOF
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print WRITE "ok 10\n";
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print scalar ~< *READ;
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print WRITE "ok 11\n";
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print scalar ~< *READ;
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waitpid $pid, 0;
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# read and error together, error empty
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$pid = open3 *WRITE, *READ, '', $perl, '-e', cmd_line(<<'EOF');
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$| = 1;
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print scalar ~< *STDIN;
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print STDERR scalar ~< *STDIN;
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EOF
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print WRITE "ok 12\n";
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print scalar ~< *READ;
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print WRITE "ok 13\n";
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print scalar ~< *READ;
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waitpid $pid, 0;
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# dup writer
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ok 14, pipe *PIPE_READ, *PIPE_WRITE;
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$pid = open3 '<&PIPE_READ', *READ, undef,
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$perl, '-e', cmd_line('print scalar ~< *STDIN');
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close PIPE_READ;
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print PIPE_WRITE "ok 15\n";
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close PIPE_WRITE;
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print scalar ~< *READ;
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waitpid $pid, 0;
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# dup reader
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$pid = open3 'WRITE', '>&STDOUT', 'ERROR',
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$perl, '-e', cmd_line('print scalar ~< *STDIN');
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print WRITE "ok 16\n";
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waitpid $pid, 0;
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# dup error: This particular case, duping stderr onto the existing
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# stdout but putting stdout somewhere else, is a good case because it
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# used not to work.
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$pid = open3 'WRITE', 'READ', '>&STDOUT',
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$perl, '-e', cmd_line('print STDERR scalar ~< *STDIN');
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print WRITE "ok 17\n";
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waitpid $pid, 0;
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# dup reader and error together, both named
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$pid = open3 'WRITE', '>&STDOUT', '>&STDOUT', $perl, '-e', cmd_line(<<'EOF');
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$| = 1;
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print STDOUT scalar ~< *STDIN;
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print STDERR scalar ~< *STDIN;
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EOF
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print WRITE "ok 18\n";
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print WRITE "ok 19\n";
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waitpid $pid, 0;
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# dup reader and error together, error empty
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$pid = open3 'WRITE', '>&STDOUT', '', $perl, '-e', cmd_line(<<'EOF');
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$| = 1;
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print STDOUT scalar ~< *STDIN;
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print STDERR scalar ~< *STDIN;
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EOF
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print WRITE "ok 20\n";
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print WRITE "ok 21\n";
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waitpid $pid, 0;
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# command line in single parameter variant of open3
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# for understanding of Config{'sh'} test see exec description in camel book
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my $cmd = 'print(scalar(~< *STDIN))';
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$cmd = %Config{'sh'} =~ m/sh/ ? "'$cmd'" : cmd_line($cmd);
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eval{$pid = open3 'WRITE', '>&STDOUT', 'ERROR', "$perl -e " . $cmd; };
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if ($@) {
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print "error $@\n";
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print "not ok 22\n";
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}
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else {
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print WRITE "ok 22\n";
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waitpid $pid, 0;
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}
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