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#!perl -Tw
use strict;
use Config;
use Test::More;
BEGIN {
plan skip_all => "POSIX is unavailable"
if $Config{extensions} !~ m!\bPOSIX\b!;
}
use POSIX ':termios_h';
plan skip_all => $@
if !eval "POSIX::Termios->new; 1" && $@ =~ /termios not implemented/;
# A termios struct that we've successfully read from a terminal device:
my $termios;
foreach (undef, qw(STDIN STDOUT STDERR)) {
SKIP:
{
my ($name, $handle);
if (defined $_) {
$name = $_;
$handle = $::{$name};
} else {
$name = POSIX::ctermid();
skip("Can't get name of controlling terminal", 4)
unless defined $name;
open $handle, '<', $name or skip("can't open $name: $!", 4);
}
skip("$name not a tty", 4) unless -t $handle;
my $t = eval { POSIX::Termios->new };
is($@, '', "calling POSIX::Termios->new");
isa_ok($t, "POSIX::Termios", "checking the type of the object");
my $fileno = fileno $handle;
my $r = eval { $t->getattr($fileno) };
is($@, '', "calling getattr($fileno) for $name");
if(isnt($r, undef, "returned value ($r) is defined")) {
$termios = $t;
}
}
}
open my $not_a_tty, '<', $^X or die "Can't open $^X: $!";
if (defined $termios) {
# testing getcc()
for my $i (0 .. NCCS-1) {
my $r = eval { $termios->getcc($i) };
is($@, '', "calling getcc($i)");
like($r, qr/\A-?[0-9]+\z/, 'returns an integer');
}
for my $i (NCCS, ~0) {
my $r = eval { $termios->getcc($i) };
like($@, qr/\ABad getcc subscript/, "calling getcc($i)");
is($r, undef, 'returns undef')
}
for my $method (qw(getcflag getiflag getispeed getlflag getoflag getospeed)) {
my $r = eval { $termios->$method() };
is($@, '', "calling $method()");
like($r, qr/\A-?[0-9]+\z/, 'returns an integer');
}
$! = 0;
is($termios->setattr(fileno $not_a_tty), undef,
'setattr on a non tty should fail');
cmp_ok($!, '==', POSIX::ENOTTY, 'and set errno to ENOTTY');
$! = 0;
is($termios->setattr(fileno $not_a_tty, TCSANOW), undef,
'setattr on a non tty should fail');
cmp_ok($!, '==', POSIX::ENOTTY, 'and set errno to ENOTTY');
}
{
my $t = POSIX::Termios->new();
isa_ok($t, "POSIX::Termios", "checking the type of the object");
# B0 is special
my @baud = (B50, B75, B110, B134, B150, B200, B300, B600, B1200, B1800,
B2400, B4800, B9600, B19200, B38400);
# On some platforms (eg Linux-that-I-tested), ispeed and ospeed are both
# "stored" in the same bits of c_cflag (as the man page documents)
# *as well as in struct members* (which you would assume obviates the need
# for using c_cflag), and the get*() functions return the value encoded
# within c_cflag, hence it's not possible to set/get them independently.
foreach my $out (@baud) {
is($t->setispeed(0), '0 but true', "setispeed(0)");
is($t->setospeed($out), '0 but true', "setospeed($out)");
is($t->getospeed(), $out, "getospeed() for $out");
}
foreach my $in (@baud) {
is($t->setospeed(0), '0 but true', "setospeed(0)");
is($t->setispeed($in), '0 but true', "setispeed($in)");
is($t->getispeed(), $in, "getispeed() for $in");
}
my %state;
my @flags = qw(iflag oflag cflag lflag);
# I'd prefer to use real values per flag, but can only find OPOST in
# POSIX.pm for oflag
my @values = (0, 6, 9, 42);
# initialise everything
foreach (@flags) {
my $method = 'set' . $_;
$t->$method(0);
$state{$_} = 0;
}
sub testflags {
my ($flag, $values, @rest) = @_;
$! = 0;
my $method = 'set' . $flag;
foreach (@$values) {
$t->$method($_);
$state{$flag} = $_;
my $state = join ', ', map {"$_=$state{$_}"} keys %state;
while (my ($flag, $expect) = each %state) {
my $method = 'get' . $flag;
is($t->$method(), $expect, "$method() for $state");
}
testflags(@rest) if @rest;
}
}
testflags(map {($_, \@values)} @flags);
for my $i (0 .. NCCS-1) {
$t->setcc($i, 0);
}
for my $i (0 .. NCCS-1) {
is($t->getcc($i), 0, "getcc($i)");
}
my $c = 0;
for my $i (0 .. NCCS-1) {
$t->setcc($i, ++$c);
}
for my $i (reverse 0 .. NCCS-1) {
is($t->getcc($i), $c--, "getcc($i)");
}
for my $i (reverse 0 .. NCCS-1) {
$t->setcc($i, ++$c);
}
for my $i (0 .. NCCS-1) {
is($t->getcc($i), $c--, "getcc($i)");
}
}
$! = 0;
is(tcdrain(fileno $not_a_tty), undef, 'tcdrain on a non tty should fail');
cmp_ok($!, '==', POSIX::ENOTTY, 'and set errno to ENOTTY');
$! = 0;
is(tcflow(fileno $not_a_tty, TCOON), undef, 'tcflow on a non tty should fail');
cmp_ok($!, '==', POSIX::ENOTTY, 'and set errno to ENOTTY');
$! = 0;
is(tcflush(fileno $not_a_tty, TCOFLUSH), undef,
'tcflush on a non tty should fail');
cmp_ok($!, '==', POSIX::ENOTTY, 'and set errno to ENOTTY');
$! = 0;
is(tcsendbreak(fileno $not_a_tty, 0), undef,
'tcsendbreak on a non tty should fail');
cmp_ok($!, '==', POSIX::ENOTTY, 'and set errno to ENOTTY');
done_testing();
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