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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
use IO::Pty::Easy;
use IO::Select;
my $pty = IO::Pty::Easy->new(handle_pty_size => 0);
my $script = <<'SCRIPT';
use strict;
use warnings;
use Term::Filter::Callback;
my $term = Term::Filter::Callback->new;
$term->run($^X, '-ple', q[last if /^$/]);
print "done\n";
SCRIPT
my $crlf = "\x0d\x0a";
$pty->spawn($^X, (map {; '-I', $_ } @INC), '-e', $script);
# just in case
alarm 60;
$pty->write("foo\n");
is(full_read($pty), "foo${crlf}foo${crlf}");
$pty->write("bar\nbaz\n");
like(
full_read($pty),
qr{
^
bar \Q$crlf\E
(?:
bar \Q$crlf\E
baz \Q$crlf\E
|
baz \Q$crlf\E
bar \Q$crlf\E
)
baz \Q$crlf\E
$
}mx,
);
$pty->write("\n");
is(full_read($pty), "${crlf}done\n");
sub full_read {
my ($fh) = @_;
my $select = IO::Select->new($fh);
return if $select->has_exception(0.1);
1 while !$select->can_read(1);
my $ret;
while ($select->can_read(1)) {
my $new;
sysread($fh, $new, 4096);
last unless defined($new) && length($new);
$ret .= $new;
return $ret if $select->has_exception(0.1);
}
return $ret;
}
done_testing;
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