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|
#!perl -T
BEGIN {
use Config;
use Test::More;
plan skip_all => "POSIX is unavailable" if $Config{'extensions'} !~ m!\bPOSIX\b!;
}
use strict;
use File::Spec;
use POSIX;
sub check(@) {
grep { eval "&$_;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 * 2 * @path_consts +
2 * 2 * @path_consts_terminal +
2 * 2 * @path_consts_fifo +
1 * @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 $TTY = "/dev/tty";
sub _check_and_report {
my ($sub, $constant, $description) = @_;
$! = 0;
my $return_val = eval {$sub->(eval "$constant()")};
my $errno = $!; # Grab this before anything else changes it.
is($@, '', $description);
# We can't test sysconf further without investigating the type of argument
# provided
return if $description =~ /sysconf/;
if (defined $return_val) {
like($return_val, qr/\A(?:-?[1-9][0-9]*|0 but true)\z/,
'the returned value should be a signed integer');
} else {
SKIP:
{
# POSIX specifies EINVAL is returned if the f?pathconf()
# isn't implemented for the specific path
skip "$description not implemented for this path", 1
if $errno == EINVAL && $description =~ /pathconf/;
cmp_ok($errno, '==', 0, 'errno should be 0 as before the call')
or diag("\$!: $errno");
}
}
}
# testing fpathconf() on a non-terminal file
SKIP: {
my $fd = POSIX::open($testdir, O_RDONLY)
or skip "could not open test directory '$testdir' ($!)",
2 * @path_consts;
for my $constant (@path_consts) {
SKIP: {
skip "pathconf($constant) hangs on Android", 2 if $constant eq '_PC_LINK_MAX' && $^O =~ /android/;
_check_and_report(sub { fpathconf($fd, shift) }, $constant,
"calling fpathconf($fd, $constant)");
}
}
POSIX::close($fd);
}
# testing pathconf() on a non-terminal file
for my $constant (@path_consts) {
SKIP: {
skip "pathconf($constant) hangs on Android", 2 if $constant eq '_PC_LINK_MAX' && $^O =~ /android/;
_check_and_report(sub { pathconf($testdir, shift) }, $constant,
"calling pathconf('$testdir', $constant)");
}
}
SKIP: {
my $n = 2 * 2 * @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 $constant (@path_consts_terminal) {
_check_and_report(sub { fpathconf($fd, shift) }, $constant,
"calling fpathconf($fd, $constant) ($TTY)");
}
close($fd);
# testing pathconf() on a terminal file
for my $constant (@path_consts_terminal) {
_check_and_report(sub { pathconf($TTY, shift) }, $constant,
"calling pathconf($TTY, $constant)");
}
}
my $fifo = "fifo$$";
SKIP: {
eval { mkfifo($fifo, 0666) }
or skip("could not create fifo $fifo ($!)", 2 * 2 * @path_consts_fifo);
SKIP: {
my $fd = POSIX::open($fifo, O_RDONLY | O_NONBLOCK)
or skip("could not open $fifo ($!)", 2 * @path_consts_fifo);
for my $constant (@path_consts_fifo) {
_check_and_report(sub { fpathconf($fd, shift) }, $constant,
"calling fpathconf($fd, $constant) ($fifo)");
}
POSIX::close($fd);
}
# testing pathconf() on a fifo file
for my $constant (@path_consts_fifo) {
_check_and_report(sub { pathconf($fifo, shift) }, $constant,
"calling pathconf($fifo, $constant");
}
}
END {
1 while unlink($fifo);
}
SKIP: {
if($^O eq 'cygwin') {
pop @sys_consts;
skip("No _SC_TZNAME_MAX on Cygwin", 1);
}
}
# testing sysconf()
for my $constant (@sys_consts) {
_check_and_report(sub {sysconf(shift)}, $constant,
"calling sysconf($constant)");
}
|
