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|
#!perl -T
BEGIN {
if ($ENV{PERL_CORE}) {
chdir 't';
@INC = '../lib';
}
use Config;
use Test::More;
plan skip_all => "POSIX is unavailable" if $Config{'extensions'} !~ m!\bPOSIX\b!;
}
use strict;
use File::Spec;
use POSIX;
use Scalar::Util qw(looks_like_number);
sub check(@) {
grep { eval "&$_;1" or $@!~/vendor has not defined POSIX macro/ } @_
}
my @path_consts = check qw(
_PC_CHOWN_RESTRICTED _PC_LINK_MAX _PC_NAME_MAX
_PC_NO_TRUNC _PC_PATH_MAX
);
my @path_consts_terminal = check qw(
_PC_MAX_CANON _PC_MAX_INPUT _PC_VDISABLE
);
my @path_consts_fifo = check qw(
_PC_PIPE_BUF
);
my @sys_consts = check qw(
_SC_ARG_MAX _SC_CHILD_MAX _SC_CLK_TCK _SC_JOB_CONTROL
_SC_NGROUPS_MAX _SC_OPEN_MAX _SC_PAGESIZE _SC_SAVED_IDS
_SC_STREAM_MAX _SC_VERSION _SC_TZNAME_MAX
);
my $tests = 2 * 3 * @path_consts +
2 * 3 * @path_consts_terminal +
2 * 3 * @path_consts_fifo +
3 * @sys_consts;
plan $tests
? (tests => $tests)
: (skip_all => "No tests to run on this OS")
;
# Don't test on "." as it can be networked storage which returns EINVAL
# Testing on "/" may not be portable to non-Unix as it may not be readable
# "/tmp" should be readable and likely also local.
my $testdir = File::Spec->tmpdir;
$testdir = VMS::Filespec::fileify($testdir) if $^O eq 'VMS';
my $r;
my $TTY = "/dev/tty";
sub _check_and_report {
my ($eval_status, $return_val, $description) = @_;
my $success = defined($return_val) || $! == 0;
is( $eval_status, '', $description );
SKIP: {
skip "terminal constants set errno on QNX", 1
if $^O eq 'nto' and $description =~ $TTY;
ok( $success, "\tchecking that the returned value is defined ("
. (defined($return_val) ? "yes, it's $return_val)" : "it isn't)"
. " or that errno is clear ("
. (!($!+0) ? "it is)" : "it isn't, it's $!)"))
);
}
SKIP: {
skip "constant not implemented on $^O or no limit in effect", 1
if !defined($return_val);
ok( looks_like_number($return_val), "\tchecking that the returned value looks like a number" );
}
}
# testing fpathconf() on a non-terminal file
SKIP: {
my $fd = POSIX::open($testdir, O_RDONLY)
or skip "could not open test directory '$testdir' ($!)",
3 * @path_consts;
for my $constant (@path_consts) {
$! = 0;
$r = eval { fpathconf( $fd, eval "$constant()" ) };
_check_and_report( $@, $r, "calling fpathconf($fd, $constant) " );
}
POSIX::close($fd);
}
# testing pathconf() on a non-terminal file
for my $constant (@path_consts) {
$! = 0;
$r = eval { pathconf( $testdir, eval "$constant()" ) };
_check_and_report( $@, $r, qq[calling pathconf("$testdir", $constant)] );
}
SKIP: {
my $n = 2 * 3 * @path_consts_terminal;
-c $TTY
or skip("$TTY not a character file", $n);
open(TTY, $TTY)
or skip("failed to open $TTY: $!", $n);
-t TTY
or skip("TTY ($TTY) not a terminal file", $n);
my $fd = fileno(TTY);
# testing fpathconf() on a terminal file
for my $constant (@path_consts_terminal) {
$! = 0;
$r = eval { fpathconf( $fd, eval "$constant()" ) };
_check_and_report( $@, $r, qq[calling fpathconf($fd, $constant) ($TTY)] );
}
close($fd);
# testing pathconf() on a terminal file
for my $constant (@path_consts_terminal) {
$! = 0;
$r = eval { pathconf( $TTY, eval "$constant()" ) };
_check_and_report( $@, $r, qq[calling pathconf($TTY, $constant)] );
}
}
my $fifo = "fifo$$";
SKIP: {
eval { mkfifo($fifo, 0666) }
or skip("could not create fifo $fifo ($!)", 2 * 3 * @path_consts_fifo);
SKIP: {
my $fd = POSIX::open($fifo, O_RDWR)
or skip("could not open $fifo ($!)", 3 * @path_consts_fifo);
for my $constant (@path_consts_fifo) {
$! = 0;
$r = eval { fpathconf( $fd, eval "$constant()" ) };
_check_and_report( $@, $r, "calling fpathconf($fd, $constant) ($fifo)" );
}
POSIX::close($fd);
}
# testing pathconf() on a fifo file
for my $constant (@path_consts_fifo) {
$! = 0;
$r = eval { pathconf( $fifo, eval "$constant()" ) };
_check_and_report( $@, $r, qq[calling pathconf($fifo, $constant)] );
}
}
END {
1 while unlink($fifo);
}
SKIP: {
if($^O eq 'cygwin') {
pop @sys_consts;
skip("No _SC_TZNAME_MAX on Cygwin", 3);
}
}
# testing sysconf()
for my $constant (@sys_consts) {
$! = 0;
$r = eval { sysconf( eval "$constant()" ) };
_check_and_report( $@, $r, "calling sysconf($constant)" );
}
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