xref: /openbsd-src/gnu/usr.bin/perl/ext/POSIX/t/posix.t (revision 50b7afb2c2c0993b0894d4e34bf857cb13ed9c80)
1#!./perl
2
3BEGIN {
4    require Config; import Config;
5    if ($^O ne 'VMS' and $Config{'extensions'} !~ /\bPOSIX\b/) {
6	print "1..0\n";
7	exit 0;
8    }
9}
10
11use Test::More tests => 109;
12
13use POSIX qw(fcntl_h signal_h limits_h _exit getcwd open read strftime write
14	     errno localeconv dup dup2 lseek access);
15use strict 'subs';
16
17sub next_test {
18    my $builder = Test::More->builder;
19    $builder->current_test($builder->current_test() + 1);
20}
21
22$| = 1;
23
24$Is_W32     = $^O eq 'MSWin32';
25$Is_Dos     = $^O eq 'dos';
26$Is_MacOS   = $^O eq 'MacOS';
27$Is_VMS     = $^O eq 'VMS';
28$Is_OS2     = $^O eq 'os2';
29$Is_UWin    = $^O eq 'uwin';
30$Is_OS390   = $^O eq 'os390';
31
32my $vms_unix_rpt = 0;
33my $vms_efs = 0;
34my $unix_mode = 1;
35
36if ($Is_VMS) {
37    $unix_mode = 0;
38    if (eval 'require VMS::Feature') {
39        $vms_unix_rpt = VMS::Feature::current("filename_unix_report");
40        $vms_efs = VMS::Feature::current("efs_charset");
41    } else {
42        my $unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || '';
43        my $efs_charset = $ENV{'DECC$EFS_CHARSET'} || '';
44        $vms_unix_rpt = $unix_rpt =~ /^[ET1]/i;
45        $vms_efs = $efs_charset =~ /^[ET1]/i;
46    }
47
48    # Traditional VMS mode only if VMS is not in UNIX compatible mode.
49    $unix_mode = ($vms_efs && $vms_unix_rpt);
50
51}
52
53my $testfd = open("Makefile.PL", O_RDONLY, 0);
54like($testfd, qr/\A\d+\z/, 'O_RDONLY with open');
55read($testfd, $buffer, 4) if $testfd > 2;
56is( $buffer, "# Ex",                      '    with read' );
57
58TODO:
59{
60    local $TODO = "read to array element not working";
61
62    read($testfd, $buffer[1], 5) if $testfd > 2;
63    is( $buffer[1], "perl\n",	               '    read to array element' );
64}
65
66my $test = next_test();
67write(1,"ok $test\nnot ok $test\n", 5);
68
69SKIP: {
70    skip("no pipe() support on DOS", 2) if $Is_Dos;
71
72    @fds = POSIX::pipe();
73    cmp_ok($fds[0], '>', $testfd, 'POSIX::pipe');
74
75    CORE::open($reader = \*READER, "<&=".$fds[0]);
76    CORE::open($writer = \*WRITER, ">&=".$fds[1]);
77    my $test = next_test();
78    print $writer "ok $test\n";
79    close $writer;
80    print <$reader>;
81    close $reader;
82}
83
84SKIP: {
85    skip("no sigaction support on win32/dos", 6) if $Is_W32 || $Is_Dos;
86
87    my $sigset = new POSIX::SigSet 1, 3;
88    $sigset->delset(1);
89    ok(! $sigset->ismember(1),  'POSIX::SigSet->delset' );
90    ok(  $sigset->ismember(3),  'POSIX::SigSet->ismember' );
91
92    SKIP: {
93        skip("no kill() support on Mac OS", 4) if $Is_MacOS;
94
95        my $sigint_called = 0;
96
97	my $mask   = new POSIX::SigSet &SIGINT;
98	my $action = new POSIX::SigAction 'main::SigHUP', $mask, 0;
99	sigaction(&SIGHUP, $action);
100	$SIG{'INT'} = 'SigINT';
101
102	# At least OpenBSD/i386 3.3 is okay, as is NetBSD 1.5.
103	# But not NetBSD 1.6 & 1.6.1: the test makes perl crash.
104	# So the kill() must not be done with this config in order to
105	# finish the test.
106	# For others (darwin & freebsd), let the test fail without crashing.
107	# the test passes at least from freebsd 8.1
108	my $todo = $^O eq 'netbsd' && $Config{osvers}=~/^1\.6/;
109	my $why_todo = "# TODO $^O $Config{osvers} seems to lose blocked signals";
110	if (!$todo) {
111	  kill 'HUP', $$;
112	} else {
113	  print "not ok 9 - sigaction SIGHUP ",$why_todo,"\n";
114	  print "not ok 10 - sig mask delayed SIGINT ",$why_todo,"\n";
115	}
116	sleep 1;
117
118	$todo = 1 if ($^O eq 'freebsd' && $Config{osvers} < 8)
119		  || ($^O eq 'darwin' && $Config{osvers} < '6.6');
120	printf "%s 11 - masked SIGINT received %s\n",
121	    $sigint_called ? "ok" : "not ok",
122	    $todo ? $why_todo : '';
123
124	print "ok 12 - signal masks successful\n";
125
126	sub SigHUP {
127	    print "ok 9 - sigaction SIGHUP\n";
128	    kill 'INT', $$;
129	    sleep 2;
130	    print "ok 10 - sig mask delayed SIGINT\n";
131	}
132
133        sub SigINT {
134            $sigint_called++;
135	}
136
137        # The order of the above tests is very important, so
138        # we use literal prints and hard coded numbers.
139        next_test() for 1..4;
140    }
141}
142
143SKIP: {
144    skip("_POSIX_OPEN_MAX undefined ($fds[1])",  1) unless &_POSIX_OPEN_MAX;
145
146    cmp_ok(&_POSIX_OPEN_MAX, '>=', 16,
147	   "The minimum allowed values according to susv2" );
148
149}
150
151my $pat;
152if ( $unix_mode ) {
153    $pat = qr#[\\/]POSIX$#i;
154}
155else {
156    $pat = qr/\.POSIX]/i;
157}
158like( getcwd(), qr/$pat/, 'getcwd' );
159
160# Check string conversion functions.
161
162SKIP: {
163    skip("strtod() not present", 2) unless $Config{d_strtod};
164
165    $lc = &POSIX::setlocale(&POSIX::LC_NUMERIC, 'C') if $Config{d_setlocale};
166
167    # we're just checking that strtod works, not how accurate it is
168    ($n, $x) = &POSIX::strtod('3.14159_OR_SO');
169    cmp_ok(abs("3.14159" - $n), '<', 1e-6, 'strtod works');
170    is($x, 6, 'strtod works');
171
172    &POSIX::setlocale(&POSIX::LC_NUMERIC, $lc) if $Config{d_setlocale};
173}
174
175SKIP: {
176    skip("strtol() not present", 2) unless $Config{d_strtol};
177
178    ($n, $x) = &POSIX::strtol('21_PENGUINS');
179    is($n, 21, 'strtol() number');
180    is($x, 9,  '         unparsed chars');
181}
182
183SKIP: {
184    skip("strtoul() not present", 2) unless $Config{d_strtoul};
185
186    ($n, $x) = &POSIX::strtoul('88_TEARS');
187    is($n, 88, 'strtoul() number');
188    is($x, 6,  '          unparsed chars');
189}
190
191# Pick up whether we're really able to dynamically load everything.
192cmp_ok(&POSIX::acos(1.0), '==', 0.0, 'dynamic loading');
193
194# This can coredump if struct tm has a timezone field and we
195# didn't detect it.  If this fails, try adding
196# -DSTRUCT_TM_HASZONE to your cflags when compiling ext/POSIX/POSIX.c.
197# See ext/POSIX/hints/sunos_4.pl and ext/POSIX/hints/linux.pl
198$test = next_test();
199print POSIX::strftime("ok $test # %H:%M, on %m/%d/%y\n", localtime());
200
201# If that worked, validate the mini_mktime() routine's normalisation of
202# input fields to strftime().
203sub try_strftime {
204    my $expect = shift;
205    my $got = POSIX::strftime("%a %b %d %H:%M:%S %Y %j", @_);
206    is($got, $expect, "validating mini_mktime() and strftime(): $expect");
207}
208
209$lc = &POSIX::setlocale(&POSIX::LC_TIME, 'C') if $Config{d_setlocale};
210try_strftime("Wed Feb 28 00:00:00 1996 059", 0,0,0, 28,1,96);
211SKIP: {
212    skip("VC++ 8 and Vista's CRTs regard 60 seconds as an invalid parameter", 1)
213	if ($Is_W32 and (($Config{cc} eq 'cl' and
214	                 $Config{ccversion} =~ /^(\d+)/ and $1 >= 14) or
215	                 (Win32::GetOSVersion())[1] >= 6));
216
217    try_strftime("Thu Feb 29 00:00:60 1996 060", 60,0,-24, 30,1,96);
218}
219try_strftime("Fri Mar 01 00:00:00 1996 061", 0,0,-24, 31,1,96);
220try_strftime("Sun Feb 28 00:00:00 1999 059", 0,0,0, 28,1,99);
221try_strftime("Mon Mar 01 00:00:00 1999 060", 0,0,24, 28,1,99);
222try_strftime("Mon Feb 28 00:00:00 2000 059", 0,0,0, 28,1,100);
223try_strftime("Tue Feb 29 00:00:00 2000 060", 0,0,0, 0,2,100);
224try_strftime("Wed Mar 01 00:00:00 2000 061", 0,0,0, 1,2,100);
225try_strftime("Fri Mar 31 00:00:00 2000 091", 0,0,0, 31,2,100);
226
227{ # rt 72232
228
229  # Std C/POSIX allows day/month to be negative and requires that
230  # wday/yday be adjusted as needed
231  # previously mini_mktime() would allow yday to dominate if mday and
232  # month were both non-positive
233  # check that yday doesn't dominate
234  try_strftime("Thu Dec 30 00:00:00 1999 364", 0,0,0, -1,0,100);
235  try_strftime("Thu Dec 30 00:00:00 1999 364", 0,0,0, -1,0,100,-1,10);
236  # it would also allow a positive wday to override the calculated value
237  # check that wday is recalculated too
238  try_strftime("Thu Dec 30 00:00:00 1999 364", 0,0,0, -1,0,100,0,10);
239}
240
241&POSIX::setlocale(&POSIX::LC_TIME, $lc) if $Config{d_setlocale};
242
243{
244    for my $test (0, 1) {
245	$! = 0;
246	# POSIX::errno is autoloaded.
247	# Autoloading requires many system calls.
248	# errno() looks at $! to generate its result.
249	# Autoloading should not munge the value.
250	my $foo  = $!;
251	my $errno = POSIX::errno();
252
253        # Force numeric context.
254	is( $errno + 0, $foo + 0,     'autoloading and errno() mix' );
255    }
256}
257
258SKIP: {
259  skip("no kill() support on Mac OS", 1) if $Is_MacOS;
260  is (eval "kill 0", 0, "check we have CORE::kill")
261    or print "\$\@ is " . _qq($@) . "\n";
262}
263
264# Check that we can import the POSIX kill routine
265POSIX->import ('kill');
266my $result = eval "kill 0";
267is ($result, undef, "we should now have POSIX::kill");
268# Check usage.
269like ($@, qr/^Usage: POSIX::kill\(pid, sig\)/, "check its usage message");
270
271# Check unimplemented.
272$result = eval {POSIX::offsetof};
273is ($result, undef, "offsetof should fail");
274like ($@, qr/^Unimplemented: POSIX::offsetof\(\) is C-specific/,
275      "check its unimplemented message");
276
277# Check reimplemented.
278$result = eval {POSIX::fgets};
279is ($result, undef, "fgets should fail");
280like ($@, qr/^Use method IO::Handle::gets\(\) instead/,
281      "check its redef message");
282
283# Simplistic tests for the isXXX() functions (bug #16799)
284ok( POSIX::isalnum('1'),  'isalnum' );
285ok(!POSIX::isalnum('*'),  'isalnum' );
286ok( POSIX::isalpha('f'),  'isalpha' );
287ok(!POSIX::isalpha('7'),  'isalpha' );
288ok( POSIX::iscntrl("\cA"),'iscntrl' );
289ok(!POSIX::iscntrl("A"),  'iscntrl' );
290ok( POSIX::isdigit('1'),  'isdigit' );
291ok(!POSIX::isdigit('z'),  'isdigit' );
292ok( POSIX::isgraph('@'),  'isgraph' );
293ok(!POSIX::isgraph(' '),  'isgraph' );
294ok( POSIX::islower('l'),  'islower' );
295ok(!POSIX::islower('L'),  'islower' );
296ok( POSIX::isupper('U'),  'isupper' );
297ok(!POSIX::isupper('u'),  'isupper' );
298ok( POSIX::isprint('$'),  'isprint' );
299ok(!POSIX::isprint("\n"), 'isprint' );
300ok( POSIX::ispunct('%'),  'ispunct' );
301ok(!POSIX::ispunct('u'),  'ispunct' );
302ok( POSIX::isspace("\t"), 'isspace' );
303ok(!POSIX::isspace('_'),  'isspace' );
304ok( POSIX::isxdigit('f'), 'isxdigit' );
305ok(!POSIX::isxdigit('g'), 'isxdigit' );
306# metaphysical question : what should be returned for an empty string ?
307# anyway this shouldn't segfault (bug #24554)
308ok( POSIX::isalnum(''),   'isalnum empty string' );
309ok( POSIX::isalnum(undef),'isalnum undef' );
310# those functions should stringify their arguments
311ok(!POSIX::isalpha([]),   'isalpha []' );
312ok( POSIX::isprint([]),   'isprint []' );
313
314eval { use strict; POSIX->import("S_ISBLK"); my $x = S_ISBLK };
315unlike( $@, qr/Can't use string .* as a symbol ref/, "Can import autoloaded constants" );
316
317SKIP: {
318    skip("localeconv() not present", 20) unless $Config{d_locconv};
319    my $conv = localeconv;
320    is(ref $conv, 'HASH', 'localconv returns a hash reference');
321
322    foreach (qw(decimal_point thousands_sep grouping int_curr_symbol
323		currency_symbol mon_decimal_point mon_thousands_sep
324		mon_grouping positive_sign negative_sign)) {
325    SKIP: {
326	    skip("localeconv has no result for $_", 1)
327		unless exists $conv->{$_};
328	    unlike(delete $conv->{$_}, qr/\A\z/,
329		   "localeconv returned a non-empty string for $_");
330	}
331    }
332
333    foreach (qw(int_frac_digits frac_digits p_cs_precedes p_sep_by_space
334		n_cs_precedes n_sep_by_space p_sign_posn n_sign_posn
335		int_p_cs_precedes int_p_sep_by_space int_n_cs_precedes
336		int_n_sep_by_space int_p_sign_posn int_n_sign_posn)) {
337    SKIP: {
338	    skip("localeconv has no result for $_", 1)
339		unless exists $conv->{$_};
340	    like(delete $conv->{$_}, qr/\A-?\d+\z/,
341		 "localeconv returned an integer for $_");
342	}
343    }
344    is_deeply([%$conv], [], 'no unexpected keys returned by localeconv');
345}
346
347my $fd1 = open("Makefile.PL", O_RDONLY, 0);
348like($fd1, qr/\A\d+\z/, 'O_RDONLY with open');
349cmp_ok($fd1, '>', $testfd);
350my $fd2 = dup($fd1);
351like($fd2, qr/\A\d+\z/, 'dup');
352cmp_ok($fd2, '>', $fd1);
353is(POSIX::close($fd1), '0 but true', 'close');
354is(POSIX::close($testfd), '0 but true', 'close');
355$! = 0;
356undef $buffer;
357is(read($fd1, $buffer, 4), undef, 'read on closed file handle fails');
358cmp_ok($!, '==', POSIX::EBADF);
359undef $buffer;
360read($fd2, $buffer, 4) if $fd2 > 2;
361is($buffer, "# Ex", 'read');
362# The descriptor $testfd was using is now free, and is lower than that which
363# $fd1 was using. Hence if dup2() behaves as dup(), we'll know :-)
364{
365    $testfd = dup2($fd2, $fd1);
366    is($testfd, $fd1, 'dup2');
367    undef $buffer;
368    read($testfd, $buffer, 4) if $testfd > 2;
369    is($buffer, 'pect', 'read');
370    is(lseek($testfd, 0, 0), 0, 'lseek back');
371    # The two should share file position:
372    undef $buffer;
373    read($fd2, $buffer, 4) if $fd2 > 2;
374    is($buffer, "# Ex", 'read');
375}
376
377# The FreeBSD man page warns:
378# The access() system call is a potential security hole due to race
379# conditions and should never be used.
380is(access('Makefile.PL', POSIX::F_OK), '0 but true', 'access');
381is(access('Makefile.PL', POSIX::R_OK), '0 but true', 'access');
382$! = 0;
383is(access('no such file', POSIX::F_OK), undef, 'access on missing file');
384cmp_ok($!, '==', POSIX::ENOENT);
385is(access('Makefile.PL/nonsense', POSIX::F_OK), undef,
386   'access on not-a-directory');
387SKIP: {
388    skip("$^O is insufficiently POSIX", 1)
389	if $Is_W32 || $Is_VMS;
390    cmp_ok($!, '==', POSIX::ENOTDIR);
391}
392
393# Check that output is not flushed by _exit. This test should be last
394# in the file, and is not counted in the total number of tests.
395if ($^O eq 'vos') {
396 print "# TODO - hit VOS bug posix-885 - _exit flushes output buffers.\n";
397} else {
398 $| = 0;
399 # The following line assumes buffered output, which may be not true:
400 print '@#!*$@(!@#$' unless ($Is_MacOS || $Is_OS2 || $Is_UWin || $Is_OS390 ||
401                            $Is_VMS ||
402			    (defined $ENV{PERLIO} &&
403			     $ENV{PERLIO} eq 'unix' &&
404			     $Config::Config{useperlio}));
405 _exit(0);
406}
407