diff options
Diffstat (limited to 'Lib/test/test_posix.py')
| -rw-r--r-- | Lib/test/test_posix.py | 587 |
1 files changed, 583 insertions, 4 deletions
diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py index c04c679..21473fc 100644 --- a/Lib/test/test_posix.py +++ b/Lib/test/test_posix.py @@ -9,6 +9,7 @@ import errno import sys import time import os +import fcntl import platform import pwd import shutil @@ -43,7 +44,7 @@ class PosixTester(unittest.TestCase): NO_ARG_FUNCTIONS = [ "ctermid", "getcwd", "getcwdb", "uname", "times", "getloadavg", "getegid", "geteuid", "getgid", "getgroups", - "getpid", "getpgrp", "getppid", "getuid", + "getpid", "getpgrp", "getppid", "getuid", "sync", ] for name in NO_ARG_FUNCTIONS: @@ -142,6 +143,159 @@ class PosixTester(unittest.TestCase): finally: fp.close() + @unittest.skipUnless(hasattr(posix, 'truncate'), "test needs posix.truncate()") + def test_truncate(self): + with open(support.TESTFN, 'w') as fp: + fp.write('test') + fp.flush() + posix.truncate(support.TESTFN, 0) + + @unittest.skipUnless(hasattr(posix, 'fexecve'), "test needs posix.fexecve()") + @unittest.skipUnless(hasattr(os, 'fork'), "test needs os.fork()") + @unittest.skipUnless(hasattr(os, 'waitpid'), "test needs os.waitpid()") + def test_fexecve(self): + fp = os.open(sys.executable, os.O_RDONLY) + try: + pid = os.fork() + if pid == 0: + os.chdir(os.path.split(sys.executable)[0]) + posix.fexecve(fp, [sys.executable, '-c', 'pass'], os.environ) + else: + self.assertEqual(os.waitpid(pid, 0), (pid, 0)) + finally: + os.close(fp) + + @unittest.skipUnless(hasattr(posix, 'waitid'), "test needs posix.waitid()") + @unittest.skipUnless(hasattr(os, 'fork'), "test needs os.fork()") + def test_waitid(self): + pid = os.fork() + if pid == 0: + os.chdir(os.path.split(sys.executable)[0]) + posix.execve(sys.executable, [sys.executable, '-c', 'pass'], os.environ) + else: + res = posix.waitid(posix.P_PID, pid, posix.WEXITED) + self.assertEqual(pid, res.si_pid) + + @unittest.skipUnless(hasattr(posix, 'lockf'), "test needs posix.lockf()") + def test_lockf(self): + fd = os.open(support.TESTFN, os.O_WRONLY | os.O_CREAT) + try: + os.write(fd, b'test') + os.lseek(fd, 0, os.SEEK_SET) + posix.lockf(fd, posix.F_LOCK, 4) + # section is locked + posix.lockf(fd, posix.F_ULOCK, 4) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'pread'), "test needs posix.pread()") + def test_pread(self): + fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) + try: + os.write(fd, b'test') + os.lseek(fd, 0, os.SEEK_SET) + self.assertEqual(b'es', posix.pread(fd, 2, 1)) + # the first pread() shouldn't disturb the file offset + self.assertEqual(b'te', posix.read(fd, 2)) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'pwrite'), "test needs posix.pwrite()") + def test_pwrite(self): + fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) + try: + os.write(fd, b'test') + os.lseek(fd, 0, os.SEEK_SET) + posix.pwrite(fd, b'xx', 1) + self.assertEqual(b'txxt', posix.read(fd, 4)) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'posix_fallocate'), + "test needs posix.posix_fallocate()") + def test_posix_fallocate(self): + fd = os.open(support.TESTFN, os.O_WRONLY | os.O_CREAT) + try: + posix.posix_fallocate(fd, 0, 10) + except OSError as inst: + # issue10812, ZFS doesn't appear to support posix_fallocate, + # so skip Solaris-based since they are likely to have ZFS. + if inst.errno != errno.EINVAL or not sys.platform.startswith("sunos"): + raise + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'posix_fadvise'), + "test needs posix.posix_fadvise()") + def test_posix_fadvise(self): + fd = os.open(support.TESTFN, os.O_RDONLY) + try: + posix.posix_fadvise(fd, 0, 0, posix.POSIX_FADV_WILLNEED) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'futimes'), "test needs posix.futimes()") + def test_futimes(self): + now = time.time() + fd = os.open(support.TESTFN, os.O_RDONLY) + try: + posix.futimes(fd, None) + posix.futimes(fd) + self.assertRaises(TypeError, posix.futimes, fd, (None, None)) + self.assertRaises(TypeError, posix.futimes, fd, (now, None)) + self.assertRaises(TypeError, posix.futimes, fd, (None, now)) + posix.futimes(fd, (int(now), int(now))) + posix.futimes(fd, (now, now)) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'lutimes'), "test needs posix.lutimes()") + def test_lutimes(self): + now = time.time() + posix.lutimes(support.TESTFN, None) + self.assertRaises(TypeError, posix.lutimes, support.TESTFN, (None, None)) + self.assertRaises(TypeError, posix.lutimes, support.TESTFN, (now, None)) + self.assertRaises(TypeError, posix.lutimes, support.TESTFN, (None, now)) + posix.lutimes(support.TESTFN, (int(now), int(now))) + posix.lutimes(support.TESTFN, (now, now)) + posix.lutimes(support.TESTFN) + + @unittest.skipUnless(hasattr(posix, 'futimens'), "test needs posix.futimens()") + def test_futimens(self): + now = time.time() + fd = os.open(support.TESTFN, os.O_RDONLY) + try: + self.assertRaises(TypeError, posix.futimens, fd, (None, None), (None, None)) + self.assertRaises(TypeError, posix.futimens, fd, (now, 0), None) + self.assertRaises(TypeError, posix.futimens, fd, None, (now, 0)) + posix.futimens(fd, (int(now), int((now - int(now)) * 1e9)), + (int(now), int((now - int(now)) * 1e9))) + posix.futimens(fd) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'writev'), "test needs posix.writev()") + def test_writev(self): + fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) + try: + os.writev(fd, (b'test1', b'tt2', b't3')) + os.lseek(fd, 0, os.SEEK_SET) + self.assertEqual(b'test1tt2t3', posix.read(fd, 10)) + finally: + os.close(fd) + + @unittest.skipUnless(hasattr(posix, 'readv'), "test needs posix.readv()") + def test_readv(self): + fd = os.open(support.TESTFN, os.O_RDWR | os.O_CREAT) + try: + os.write(fd, b'test1tt2t3') + os.lseek(fd, 0, os.SEEK_SET) + buf = [bytearray(i) for i in [5, 3, 2]] + self.assertEqual(posix.readv(fd, buf), 10) + self.assertEqual([b'test1', b'tt2', b't3'], [bytes(i) for i in buf]) + finally: + os.close(fd) + def test_dup(self): if hasattr(posix, 'dup'): fp = open(support.TESTFN) @@ -167,6 +321,13 @@ class PosixTester(unittest.TestCase): fp1.close() fp2.close() + @unittest.skipUnless(hasattr(os, 'O_CLOEXEC'), "needs os.O_CLOEXEC") + @support.requires_linux_version(2, 6, 23) + def test_oscloexec(self): + fd = os.open(support.TESTFN, os.O_RDONLY|os.O_CLOEXEC) + self.addCleanup(os.close, fd) + self.assertTrue(fcntl.fcntl(fd, fcntl.F_GETFD) & fcntl.FD_CLOEXEC) + def test_osexlock(self): if hasattr(posix, "O_EXLOCK"): fd = os.open(support.TESTFN, @@ -265,7 +426,7 @@ class PosixTester(unittest.TestCase): self.assertRaises(OSError, posix.chown, support.TESTFN, -1, -1) # re-create the file - open(support.TESTFN, 'w').close() + support.create_empty_file(support.TESTFN) self._test_all_chown_common(posix.chown, support.TESTFN) @unittest.skipUnless(hasattr(posix, 'fchown'), "test needs os.fchown()") @@ -301,6 +462,20 @@ class PosixTester(unittest.TestCase): if hasattr(posix, 'listdir'): self.assertTrue(support.TESTFN in posix.listdir()) + @unittest.skipUnless(hasattr(posix, 'flistdir'), "test needs posix.flistdir()") + def test_flistdir(self): + f = posix.open(posix.getcwd(), posix.O_RDONLY) + self.addCleanup(posix.close, f) + self.assertEqual( + sorted(posix.listdir('.')), + sorted(posix.flistdir(f)) + ) + # Check that the fd offset was reset (issue #13739) + self.assertEqual( + sorted(posix.listdir('.')), + sorted(posix.flistdir(f)) + ) + def test_access(self): if hasattr(posix, 'access'): self.assertTrue(posix.access(support.TESTFN, os.R_OK)) @@ -321,6 +496,32 @@ class PosixTester(unittest.TestCase): os.close(reader) os.close(writer) + @unittest.skipUnless(hasattr(os, 'pipe2'), "test needs os.pipe2()") + @support.requires_linux_version(2, 6, 27) + def test_pipe2(self): + self.assertRaises(TypeError, os.pipe2, 'DEADBEEF') + self.assertRaises(TypeError, os.pipe2, 0, 0) + + # try calling with flags = 0, like os.pipe() + r, w = os.pipe2(0) + os.close(r) + os.close(w) + + # test flags + r, w = os.pipe2(os.O_CLOEXEC|os.O_NONBLOCK) + self.addCleanup(os.close, r) + self.addCleanup(os.close, w) + self.assertTrue(fcntl.fcntl(r, fcntl.F_GETFD) & fcntl.FD_CLOEXEC) + self.assertTrue(fcntl.fcntl(w, fcntl.F_GETFD) & fcntl.FD_CLOEXEC) + # try reading from an empty pipe: this should fail, not block + self.assertRaises(OSError, os.read, r, 1) + # try a write big enough to fill-up the pipe: this should either + # fail or perform a partial write, not block + try: + os.write(w, b'x' * support.PIPE_MAX_SIZE) + except OSError: + pass + def test_utime(self): if hasattr(posix, 'utime'): now = time.time() @@ -421,6 +622,22 @@ class PosixTester(unittest.TestCase): os.chdir(curdir) support.rmtree(base_path) + @unittest.skipUnless(hasattr(posix, 'getgrouplist'), "test needs posix.getgrouplist()") + @unittest.skipUnless(hasattr(pwd, 'getpwuid'), "test needs pwd.getpwuid()") + @unittest.skipUnless(hasattr(os, 'getuid'), "test needs os.getuid()") + def test_getgrouplist(self): + with os.popen('id -G') as idg: + groups = idg.read().strip() + ret = idg.close() + + if ret != None or not groups: + raise unittest.SkipTest("need working 'id -G'") + + self.assertEqual( + set([int(x) for x in groups.split()]), + set(posix.getgrouplist(pwd.getpwuid(os.getuid())[0], + pwd.getpwuid(os.getuid())[3]))) + @unittest.skipUnless(hasattr(os, 'getegid'), "test needs os.getegid()") def test_getgroups(self): with os.popen('id -G') as idg: @@ -438,6 +655,366 @@ class PosixTester(unittest.TestCase): set([int(x) for x in groups.split()]), set(posix.getgroups() + [posix.getegid()])) + # tests for the posix *at functions follow + + @unittest.skipUnless(hasattr(posix, 'faccessat'), "test needs posix.faccessat()") + def test_faccessat(self): + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + self.assertTrue(posix.faccessat(f, support.TESTFN, os.R_OK)) + finally: + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'fchmodat'), "test needs posix.fchmodat()") + def test_fchmodat(self): + os.chmod(support.TESTFN, stat.S_IRUSR) + + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + posix.fchmodat(f, support.TESTFN, stat.S_IRUSR | stat.S_IWUSR) + + s = posix.stat(support.TESTFN) + self.assertEqual(s[0] & stat.S_IRWXU, stat.S_IRUSR | stat.S_IWUSR) + finally: + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'fchownat'), "test needs posix.fchownat()") + def test_fchownat(self): + support.unlink(support.TESTFN) + support.create_empty_file(support.TESTFN) + + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + posix.fchownat(f, support.TESTFN, os.getuid(), os.getgid()) + finally: + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'fstatat'), "test needs posix.fstatat()") + def test_fstatat(self): + support.unlink(support.TESTFN) + with open(support.TESTFN, 'w') as outfile: + outfile.write("testline\n") + + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + s1 = posix.stat(support.TESTFN) + s2 = posix.fstatat(f, support.TESTFN) + self.assertEqual(s1, s2) + finally: + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'futimesat'), "test needs posix.futimesat()") + def test_futimesat(self): + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + now = time.time() + posix.futimesat(f, support.TESTFN, None) + posix.futimesat(f, support.TESTFN) + self.assertRaises(TypeError, posix.futimesat, f, support.TESTFN, (None, None)) + self.assertRaises(TypeError, posix.futimesat, f, support.TESTFN, (now, None)) + self.assertRaises(TypeError, posix.futimesat, f, support.TESTFN, (None, now)) + posix.futimesat(f, support.TESTFN, (int(now), int(now))) + posix.futimesat(f, support.TESTFN, (now, now)) + finally: + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'linkat'), "test needs posix.linkat()") + def test_linkat(self): + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + posix.linkat(f, support.TESTFN, f, support.TESTFN + 'link') + # should have same inodes + self.assertEqual(posix.stat(support.TESTFN)[1], + posix.stat(support.TESTFN + 'link')[1]) + finally: + posix.close(f) + support.unlink(support.TESTFN + 'link') + + @unittest.skipUnless(hasattr(posix, 'mkdirat'), "test needs posix.mkdirat()") + def test_mkdirat(self): + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + posix.mkdirat(f, support.TESTFN + 'dir') + posix.stat(support.TESTFN + 'dir') # should not raise exception + finally: + posix.close(f) + support.rmtree(support.TESTFN + 'dir') + + @unittest.skipUnless(hasattr(posix, 'mknodat') and hasattr(stat, 'S_IFIFO'), + "don't have mknodat()/S_IFIFO") + def test_mknodat(self): + # Test using mknodat() to create a FIFO (the only use specified + # by POSIX). + support.unlink(support.TESTFN) + mode = stat.S_IFIFO | stat.S_IRUSR | stat.S_IWUSR + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + posix.mknodat(f, support.TESTFN, mode, 0) + except OSError as e: + # Some old systems don't allow unprivileged users to use + # mknod(), or only support creating device nodes. + self.assertIn(e.errno, (errno.EPERM, errno.EINVAL)) + else: + self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode)) + finally: + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'openat'), "test needs posix.openat()") + def test_openat(self): + support.unlink(support.TESTFN) + with open(support.TESTFN, 'w') as outfile: + outfile.write("testline\n") + a = posix.open(posix.getcwd(), posix.O_RDONLY) + b = posix.openat(a, support.TESTFN, posix.O_RDONLY) + try: + res = posix.read(b, 9).decode(encoding="utf-8") + self.assertEqual("testline\n", res) + finally: + posix.close(a) + posix.close(b) + + @unittest.skipUnless(hasattr(posix, 'readlinkat'), "test needs posix.readlinkat()") + def test_readlinkat(self): + os.symlink(support.TESTFN, support.TESTFN + 'link') + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + self.assertEqual(posix.readlink(support.TESTFN + 'link'), + posix.readlinkat(f, support.TESTFN + 'link')) + finally: + support.unlink(support.TESTFN + 'link') + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'renameat'), "test needs posix.renameat()") + def test_renameat(self): + support.unlink(support.TESTFN) + support.create_empty_file(support.TESTFN + 'ren') + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + posix.renameat(f, support.TESTFN + 'ren', f, support.TESTFN) + except: + posix.rename(support.TESTFN + 'ren', support.TESTFN) + raise + else: + posix.stat(support.TESTFN) # should not throw exception + finally: + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'symlinkat'), "test needs posix.symlinkat()") + def test_symlinkat(self): + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + posix.symlinkat(support.TESTFN, f, support.TESTFN + 'link') + self.assertEqual(posix.readlink(support.TESTFN + 'link'), support.TESTFN) + finally: + posix.close(f) + support.unlink(support.TESTFN + 'link') + + @unittest.skipUnless(hasattr(posix, 'unlinkat'), "test needs posix.unlinkat()") + def test_unlinkat(self): + f = posix.open(posix.getcwd(), posix.O_RDONLY) + support.create_empty_file(support.TESTFN + 'del') + posix.stat(support.TESTFN + 'del') # should not throw exception + try: + posix.unlinkat(f, support.TESTFN + 'del') + except: + support.unlink(support.TESTFN + 'del') + raise + else: + self.assertRaises(OSError, posix.stat, support.TESTFN + 'link') + finally: + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'utimensat'), "test needs posix.utimensat()") + def test_utimensat(self): + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + now = time.time() + posix.utimensat(f, support.TESTFN, None, None) + posix.utimensat(f, support.TESTFN) + posix.utimensat(f, support.TESTFN, flags=os.AT_SYMLINK_NOFOLLOW) + self.assertRaises(TypeError, posix.utimensat, f, support.TESTFN, (None, None), (None, None)) + self.assertRaises(TypeError, posix.utimensat, f, support.TESTFN, (now, 0), None) + self.assertRaises(TypeError, posix.utimensat, f, support.TESTFN, None, (now, 0)) + posix.utimensat(f, support.TESTFN, (int(now), int((now - int(now)) * 1e9)), + (int(now), int((now - int(now)) * 1e9))) + posix.utimensat(dirfd=f, path=support.TESTFN, + atime=(int(now), int((now - int(now)) * 1e9)), + mtime=(int(now), int((now - int(now)) * 1e9))) + finally: + posix.close(f) + + @unittest.skipUnless(hasattr(posix, 'mkfifoat'), "don't have mkfifoat()") + def test_mkfifoat(self): + support.unlink(support.TESTFN) + f = posix.open(posix.getcwd(), posix.O_RDONLY) + try: + posix.mkfifoat(f, support.TESTFN, stat.S_IRUSR | stat.S_IWUSR) + self.assertTrue(stat.S_ISFIFO(posix.stat(support.TESTFN).st_mode)) + finally: + posix.close(f) + + requires_sched_h = unittest.skipUnless(hasattr(posix, 'sched_yield'), + "don't have scheduling support") + requires_sched_affinity = unittest.skipUnless(hasattr(posix, 'cpu_set'), + "don't have sched affinity support") + + @requires_sched_h + def test_sched_yield(self): + # This has no error conditions (at least on Linux). + posix.sched_yield() + + @requires_sched_h + @unittest.skipUnless(hasattr(posix, 'sched_get_priority_max'), + "requires sched_get_priority_max()") + def test_sched_priority(self): + # Round-robin usually has interesting priorities. + pol = posix.SCHED_RR + lo = posix.sched_get_priority_min(pol) + hi = posix.sched_get_priority_max(pol) + self.assertIsInstance(lo, int) + self.assertIsInstance(hi, int) + self.assertGreaterEqual(hi, lo) + # OSX evidently just returns 15 without checking the argument. + if sys.platform != "darwin": + self.assertRaises(OSError, posix.sched_get_priority_min, -23) + self.assertRaises(OSError, posix.sched_get_priority_max, -23) + + @unittest.skipUnless(hasattr(posix, 'sched_setscheduler'), "can't change scheduler") + def test_get_and_set_scheduler_and_param(self): + possible_schedulers = [sched for name, sched in posix.__dict__.items() + if name.startswith("SCHED_")] + mine = posix.sched_getscheduler(0) + self.assertIn(mine, possible_schedulers) + try: + parent = posix.sched_getscheduler(os.getppid()) + except OSError as e: + if e.errno != errno.EPERM: + raise + else: + self.assertIn(parent, possible_schedulers) + self.assertRaises(OSError, posix.sched_getscheduler, -1) + self.assertRaises(OSError, posix.sched_getparam, -1) + param = posix.sched_getparam(0) + self.assertIsInstance(param.sched_priority, int) + try: + posix.sched_setscheduler(0, mine, param) + except OSError as e: + if e.errno != errno.EPERM: + raise + + # POSIX states that calling sched_setparam() on a process with a + # scheduling policy other than SCHED_FIFO or SCHED_RR is + # implementation-defined: FreeBSD returns EINVAL. + if not sys.platform.startswith('freebsd'): + posix.sched_setparam(0, param) + self.assertRaises(OSError, posix.sched_setparam, -1, param) + + self.assertRaises(OSError, posix.sched_setscheduler, -1, mine, param) + self.assertRaises(TypeError, posix.sched_setscheduler, 0, mine, None) + self.assertRaises(TypeError, posix.sched_setparam, 0, 43) + param = posix.sched_param(None) + self.assertRaises(TypeError, posix.sched_setparam, 0, param) + large = 214748364700 + param = posix.sched_param(large) + self.assertRaises(OverflowError, posix.sched_setparam, 0, param) + param = posix.sched_param(sched_priority=-large) + self.assertRaises(OverflowError, posix.sched_setparam, 0, param) + + @unittest.skipUnless(hasattr(posix, "sched_rr_get_interval"), "no function") + def test_sched_rr_get_interval(self): + try: + interval = posix.sched_rr_get_interval(0) + except OSError as e: + # This likely means that sched_rr_get_interval is only valid for + # processes with the SCHED_RR scheduler in effect. + if e.errno != errno.EINVAL: + raise + self.skipTest("only works on SCHED_RR processes") + self.assertIsInstance(interval, float) + # Reasonable constraints, I think. + self.assertGreaterEqual(interval, 0.) + self.assertLess(interval, 1.) + + @requires_sched_affinity + def test_sched_affinity(self): + mask = posix.sched_getaffinity(0, 1024) + self.assertGreaterEqual(mask.count(), 1) + self.assertIsInstance(mask, posix.cpu_set) + self.assertRaises(OSError, posix.sched_getaffinity, -1, 1024) + empty = posix.cpu_set(10) + posix.sched_setaffinity(0, mask) + self.assertRaises(OSError, posix.sched_setaffinity, 0, empty) + self.assertRaises(OSError, posix.sched_setaffinity, -1, mask) + + @requires_sched_affinity + def test_cpu_set_basic(self): + s = posix.cpu_set(10) + self.assertEqual(len(s), 10) + self.assertEqual(s.count(), 0) + s.set(0) + s.set(9) + self.assertTrue(s.isset(0)) + self.assertTrue(s.isset(9)) + self.assertFalse(s.isset(5)) + self.assertEqual(s.count(), 2) + s.clear(0) + self.assertFalse(s.isset(0)) + self.assertEqual(s.count(), 1) + s.zero() + self.assertFalse(s.isset(0)) + self.assertFalse(s.isset(9)) + self.assertEqual(s.count(), 0) + self.assertRaises(ValueError, s.set, -1) + self.assertRaises(ValueError, s.set, 10) + self.assertRaises(ValueError, s.clear, -1) + self.assertRaises(ValueError, s.clear, 10) + self.assertRaises(ValueError, s.isset, -1) + self.assertRaises(ValueError, s.isset, 10) + + @requires_sched_affinity + def test_cpu_set_cmp(self): + self.assertNotEqual(posix.cpu_set(11), posix.cpu_set(12)) + l = posix.cpu_set(10) + r = posix.cpu_set(10) + self.assertEqual(l, r) + l.set(1) + self.assertNotEqual(l, r) + r.set(1) + self.assertEqual(l, r) + + @requires_sched_affinity + def test_cpu_set_bitwise(self): + l = posix.cpu_set(5) + l.set(0) + l.set(1) + r = posix.cpu_set(5) + r.set(1) + r.set(2) + b = l & r + self.assertEqual(b.count(), 1) + self.assertTrue(b.isset(1)) + b = l | r + self.assertEqual(b.count(), 3) + self.assertTrue(b.isset(0)) + self.assertTrue(b.isset(1)) + self.assertTrue(b.isset(2)) + b = l ^ r + self.assertEqual(b.count(), 2) + self.assertTrue(b.isset(0)) + self.assertFalse(b.isset(1)) + self.assertTrue(b.isset(2)) + b = l + b |= r + self.assertIs(b, l) + self.assertEqual(l.count(), 3) + + def test_rtld_constants(self): + # check presence of major RTLD_* constants + posix.RTLD_LAZY + posix.RTLD_NOW + posix.RTLD_GLOBAL + posix.RTLD_LOCAL + class PosixGroupsTester(unittest.TestCase): def setUp(self): @@ -473,9 +1050,11 @@ class PosixGroupsTester(unittest.TestCase): posix.setgroups(groups) self.assertListEqual(groups, posix.getgroups()) - def test_main(): - support.run_unittest(PosixTester, PosixGroupsTester) + try: + support.run_unittest(PosixTester, PosixGroupsTester) + finally: + support.reap_children() if __name__ == '__main__': test_main() |