| # -*- coding: iso-8859-1 -*- |
| import unittest, test.support |
| import sys, io, os |
| import struct |
| import subprocess |
| import textwrap |
| import warnings |
| import operator |
| |
| # count the number of test runs, used to create unique |
| # strings to intern in test_intern() |
| numruns = 0 |
| |
| try: |
| import threading |
| except ImportError: |
| threading = None |
| |
| class SysModuleTest(unittest.TestCase): |
| |
| def setUp(self): |
| self.orig_stdout = sys.stdout |
| self.orig_stderr = sys.stderr |
| self.orig_displayhook = sys.displayhook |
| |
| def tearDown(self): |
| sys.stdout = self.orig_stdout |
| sys.stderr = self.orig_stderr |
| sys.displayhook = self.orig_displayhook |
| test.support.reap_children() |
| |
| def test_original_displayhook(self): |
| import builtins |
| out = io.StringIO() |
| sys.stdout = out |
| |
| dh = sys.__displayhook__ |
| |
| self.assertRaises(TypeError, dh) |
| if hasattr(builtins, "_"): |
| del builtins._ |
| |
| dh(None) |
| self.assertEqual(out.getvalue(), "") |
| self.assertTrue(not hasattr(builtins, "_")) |
| dh(42) |
| self.assertEqual(out.getvalue(), "42\n") |
| self.assertEqual(builtins._, 42) |
| |
| del sys.stdout |
| self.assertRaises(RuntimeError, dh, 42) |
| |
| def test_lost_displayhook(self): |
| del sys.displayhook |
| code = compile("42", "<string>", "single") |
| self.assertRaises(RuntimeError, eval, code) |
| |
| def test_custom_displayhook(self): |
| def baddisplayhook(obj): |
| raise ValueError |
| sys.displayhook = baddisplayhook |
| code = compile("42", "<string>", "single") |
| self.assertRaises(ValueError, eval, code) |
| |
| def test_original_excepthook(self): |
| err = io.StringIO() |
| sys.stderr = err |
| |
| eh = sys.__excepthook__ |
| |
| self.assertRaises(TypeError, eh) |
| try: |
| raise ValueError(42) |
| except ValueError as exc: |
| eh(*sys.exc_info()) |
| |
| self.assertTrue(err.getvalue().endswith("ValueError: 42\n")) |
| |
| def test_excepthook(self): |
| with test.support.captured_output("stderr") as stderr: |
| sys.excepthook(1, '1', 1) |
| self.assertTrue("TypeError: print_exception(): Exception expected for " \ |
| "value, str found" in stderr.getvalue()) |
| |
| # FIXME: testing the code for a lost or replaced excepthook in |
| # Python/pythonrun.c::PyErr_PrintEx() is tricky. |
| |
| def test_exit(self): |
| import subprocess |
| |
| self.assertRaises(TypeError, sys.exit, 42, 42) |
| |
| # call without argument |
| try: |
| sys.exit(0) |
| except SystemExit as exc: |
| self.assertEquals(exc.code, 0) |
| except: |
| self.fail("wrong exception") |
| else: |
| self.fail("no exception") |
| |
| # call with tuple argument with one entry |
| # entry will be unpacked |
| try: |
| sys.exit(42) |
| except SystemExit as exc: |
| self.assertEquals(exc.code, 42) |
| except: |
| self.fail("wrong exception") |
| else: |
| self.fail("no exception") |
| |
| # call with integer argument |
| try: |
| sys.exit((42,)) |
| except SystemExit as exc: |
| self.assertEquals(exc.code, 42) |
| except: |
| self.fail("wrong exception") |
| else: |
| self.fail("no exception") |
| |
| # call with string argument |
| try: |
| sys.exit("exit") |
| except SystemExit as exc: |
| self.assertEquals(exc.code, "exit") |
| except: |
| self.fail("wrong exception") |
| else: |
| self.fail("no exception") |
| |
| # call with tuple argument with two entries |
| try: |
| sys.exit((17, 23)) |
| except SystemExit as exc: |
| self.assertEquals(exc.code, (17, 23)) |
| except: |
| self.fail("wrong exception") |
| else: |
| self.fail("no exception") |
| |
| # test that the exit machinery handles SystemExits properly |
| rc = subprocess.call([sys.executable, "-c", |
| "raise SystemExit(47)"]) |
| self.assertEqual(rc, 47) |
| |
| def check_exit_message(code, expected, env=None): |
| process = subprocess.Popen([sys.executable, "-c", code], |
| stderr=subprocess.PIPE, env=env) |
| stdout, stderr = process.communicate() |
| self.assertEqual(process.returncode, 1) |
| self.assertTrue(stderr.startswith(expected), |
| "%s doesn't start with %s" % (ascii(stderr), ascii(expected))) |
| |
| # test that stderr buffer if flushed before the exit message is written |
| # into stderr |
| check_exit_message( |
| r'import sys; sys.stderr.write("unflushed,"); sys.exit("message")', |
| b"unflushed,message") |
| |
| # test that the exit message is written with backslashreplace error |
| # handler to stderr |
| check_exit_message( |
| r'import sys; sys.exit("surrogates:\uDCFF")', |
| b"surrogates:\\udcff") |
| |
| # test that the unicode message is encoded to the stderr encoding |
| # instead of the default encoding (utf8) |
| env = os.environ.copy() |
| env['PYTHONIOENCODING'] = 'latin-1' |
| check_exit_message( |
| r'import sys; sys.exit("h\xe9")', |
| b"h\xe9", env=env) |
| |
| def test_getdefaultencoding(self): |
| self.assertRaises(TypeError, sys.getdefaultencoding, 42) |
| # can't check more than the type, as the user might have changed it |
| self.assertIsInstance(sys.getdefaultencoding(), str) |
| |
| # testing sys.settrace() is done in test_trace.py |
| # testing sys.setprofile() is done in test_profile.py |
| |
| def test_setcheckinterval(self): |
| with warnings.catch_warnings(): |
| warnings.simplefilter("ignore") |
| self.assertRaises(TypeError, sys.setcheckinterval) |
| orig = sys.getcheckinterval() |
| for n in 0, 100, 120, orig: # orig last to restore starting state |
| sys.setcheckinterval(n) |
| self.assertEquals(sys.getcheckinterval(), n) |
| |
| @unittest.skipUnless(threading, 'Threading required for this test.') |
| def test_switchinterval(self): |
| self.assertRaises(TypeError, sys.setswitchinterval) |
| self.assertRaises(TypeError, sys.setswitchinterval, "a") |
| self.assertRaises(ValueError, sys.setswitchinterval, -1.0) |
| self.assertRaises(ValueError, sys.setswitchinterval, 0.0) |
| orig = sys.getswitchinterval() |
| # sanity check |
| self.assertTrue(orig < 0.5, orig) |
| try: |
| for n in 0.00001, 0.05, 3.0, orig: |
| sys.setswitchinterval(n) |
| self.assertAlmostEquals(sys.getswitchinterval(), n) |
| finally: |
| sys.setswitchinterval(orig) |
| |
| def test_recursionlimit(self): |
| self.assertRaises(TypeError, sys.getrecursionlimit, 42) |
| oldlimit = sys.getrecursionlimit() |
| self.assertRaises(TypeError, sys.setrecursionlimit) |
| self.assertRaises(ValueError, sys.setrecursionlimit, -42) |
| sys.setrecursionlimit(10000) |
| self.assertEqual(sys.getrecursionlimit(), 10000) |
| sys.setrecursionlimit(oldlimit) |
| |
| def test_recursionlimit_recovery(self): |
| # NOTE: this test is slightly fragile in that it depends on the current |
| # recursion count when executing the test being low enough so as to |
| # trigger the recursion recovery detection in the _Py_MakeEndRecCheck |
| # macro (see ceval.h). |
| oldlimit = sys.getrecursionlimit() |
| def f(): |
| f() |
| try: |
| for i in (50, 1000): |
| # Issue #5392: stack overflow after hitting recursion limit twice |
| sys.setrecursionlimit(i) |
| self.assertRaises(RuntimeError, f) |
| self.assertRaises(RuntimeError, f) |
| finally: |
| sys.setrecursionlimit(oldlimit) |
| |
| def test_recursionlimit_fatalerror(self): |
| # A fatal error occurs if a second recursion limit is hit when recovering |
| # from a first one. |
| if os.name == "nt": |
| raise unittest.SkipTest( |
| "under Windows, test would generate a spurious crash dialog") |
| code = textwrap.dedent(""" |
| import sys |
| |
| def f(): |
| try: |
| f() |
| except RuntimeError: |
| f() |
| |
| sys.setrecursionlimit(%d) |
| f()""") |
| for i in (50, 1000): |
| sub = subprocess.Popen([sys.executable, '-c', code % i], |
| stderr=subprocess.PIPE) |
| err = sub.communicate()[1] |
| self.assertTrue(sub.returncode, sub.returncode) |
| self.assertTrue( |
| b"Fatal Python error: Cannot recover from stack overflow" in err, |
| err) |
| |
| def test_getwindowsversion(self): |
| # Raise SkipTest if sys doesn't have getwindowsversion attribute |
| test.support.get_attribute(sys, "getwindowsversion") |
| v = sys.getwindowsversion() |
| self.assertEqual(len(v), 5) |
| self.assertIsInstance(v[0], int) |
| self.assertIsInstance(v[1], int) |
| self.assertIsInstance(v[2], int) |
| self.assertIsInstance(v[3], int) |
| self.assertIsInstance(v[4], str) |
| self.assertRaises(IndexError, operator.getitem, v, 5) |
| self.assertIsInstance(v.major, int) |
| self.assertIsInstance(v.minor, int) |
| self.assertIsInstance(v.build, int) |
| self.assertIsInstance(v.platform, int) |
| self.assertIsInstance(v.service_pack, str) |
| self.assertIsInstance(v.service_pack_minor, int) |
| self.assertIsInstance(v.service_pack_major, int) |
| self.assertIsInstance(v.suite_mask, int) |
| self.assertIsInstance(v.product_type, int) |
| self.assertEqual(v[0], v.major) |
| self.assertEqual(v[1], v.minor) |
| self.assertEqual(v[2], v.build) |
| self.assertEqual(v[3], v.platform) |
| self.assertEqual(v[4], v.service_pack) |
| |
| # This is how platform.py calls it. Make sure tuple |
| # still has 5 elements |
| maj, min, buildno, plat, csd = sys.getwindowsversion() |
| |
| def test_call_tracing(self): |
| self.assertRaises(TypeError, sys.call_tracing, type, 2) |
| |
| def test_dlopenflags(self): |
| if hasattr(sys, "setdlopenflags"): |
| self.assertTrue(hasattr(sys, "getdlopenflags")) |
| self.assertRaises(TypeError, sys.getdlopenflags, 42) |
| oldflags = sys.getdlopenflags() |
| self.assertRaises(TypeError, sys.setdlopenflags) |
| sys.setdlopenflags(oldflags+1) |
| self.assertEqual(sys.getdlopenflags(), oldflags+1) |
| sys.setdlopenflags(oldflags) |
| |
| def test_refcount(self): |
| # n here must be a global in order for this test to pass while |
| # tracing with a python function. Tracing calls PyFrame_FastToLocals |
| # which will add a copy of any locals to the frame object, causing |
| # the reference count to increase by 2 instead of 1. |
| global n |
| self.assertRaises(TypeError, sys.getrefcount) |
| c = sys.getrefcount(None) |
| n = None |
| self.assertEqual(sys.getrefcount(None), c+1) |
| del n |
| self.assertEqual(sys.getrefcount(None), c) |
| if hasattr(sys, "gettotalrefcount"): |
| self.assertIsInstance(sys.gettotalrefcount(), int) |
| |
| def test_getframe(self): |
| self.assertRaises(TypeError, sys._getframe, 42, 42) |
| self.assertRaises(ValueError, sys._getframe, 2000000000) |
| self.assertTrue( |
| SysModuleTest.test_getframe.__code__ \ |
| is sys._getframe().f_code |
| ) |
| |
| # sys._current_frames() is a CPython-only gimmick. |
| def test_current_frames(self): |
| have_threads = True |
| try: |
| import _thread |
| except ImportError: |
| have_threads = False |
| |
| if have_threads: |
| self.current_frames_with_threads() |
| else: |
| self.current_frames_without_threads() |
| |
| # Test sys._current_frames() in a WITH_THREADS build. |
| @test.support.reap_threads |
| def current_frames_with_threads(self): |
| import threading, _thread |
| import traceback |
| |
| # Spawn a thread that blocks at a known place. Then the main |
| # thread does sys._current_frames(), and verifies that the frames |
| # returned make sense. |
| entered_g = threading.Event() |
| leave_g = threading.Event() |
| thread_info = [] # the thread's id |
| |
| def f123(): |
| g456() |
| |
| def g456(): |
| thread_info.append(_thread.get_ident()) |
| entered_g.set() |
| leave_g.wait() |
| |
| t = threading.Thread(target=f123) |
| t.start() |
| entered_g.wait() |
| |
| # At this point, t has finished its entered_g.set(), although it's |
| # impossible to guess whether it's still on that line or has moved on |
| # to its leave_g.wait(). |
| self.assertEqual(len(thread_info), 1) |
| thread_id = thread_info[0] |
| |
| d = sys._current_frames() |
| |
| main_id = _thread.get_ident() |
| self.assertIn(main_id, d) |
| self.assertIn(thread_id, d) |
| |
| # Verify that the captured main-thread frame is _this_ frame. |
| frame = d.pop(main_id) |
| self.assertTrue(frame is sys._getframe()) |
| |
| # Verify that the captured thread frame is blocked in g456, called |
| # from f123. This is a litte tricky, since various bits of |
| # threading.py are also in the thread's call stack. |
| frame = d.pop(thread_id) |
| stack = traceback.extract_stack(frame) |
| for i, (filename, lineno, funcname, sourceline) in enumerate(stack): |
| if funcname == "f123": |
| break |
| else: |
| self.fail("didn't find f123() on thread's call stack") |
| |
| self.assertEqual(sourceline, "g456()") |
| |
| # And the next record must be for g456(). |
| filename, lineno, funcname, sourceline = stack[i+1] |
| self.assertEqual(funcname, "g456") |
| self.assertIn(sourceline, ["leave_g.wait()", "entered_g.set()"]) |
| |
| # Reap the spawned thread. |
| leave_g.set() |
| t.join() |
| |
| # Test sys._current_frames() when thread support doesn't exist. |
| def current_frames_without_threads(self): |
| # Not much happens here: there is only one thread, with artificial |
| # "thread id" 0. |
| d = sys._current_frames() |
| self.assertEqual(len(d), 1) |
| self.assertIn(0, d) |
| self.assertTrue(d[0] is sys._getframe()) |
| |
| def test_attributes(self): |
| self.assertIsInstance(sys.api_version, int) |
| self.assertIsInstance(sys.argv, list) |
| self.assertIn(sys.byteorder, ("little", "big")) |
| self.assertIsInstance(sys.builtin_module_names, tuple) |
| self.assertIsInstance(sys.copyright, str) |
| self.assertIsInstance(sys.exec_prefix, str) |
| self.assertIsInstance(sys.executable, str) |
| self.assertEqual(len(sys.float_info), 11) |
| self.assertEqual(sys.float_info.radix, 2) |
| self.assertEqual(len(sys.int_info), 2) |
| self.assertTrue(sys.int_info.bits_per_digit % 5 == 0) |
| self.assertTrue(sys.int_info.sizeof_digit >= 1) |
| self.assertEqual(type(sys.int_info.bits_per_digit), int) |
| self.assertEqual(type(sys.int_info.sizeof_digit), int) |
| self.assertIsInstance(sys.hexversion, int) |
| |
| self.assertEqual(len(sys.hash_info), 5) |
| self.assertLess(sys.hash_info.modulus, 2**sys.hash_info.width) |
| # sys.hash_info.modulus should be a prime; we do a quick |
| # probable primality test (doesn't exclude the possibility of |
| # a Carmichael number) |
| for x in range(1, 100): |
| self.assertEqual( |
| pow(x, sys.hash_info.modulus-1, sys.hash_info.modulus), |
| 1, |
| "sys.hash_info.modulus {} is a non-prime".format( |
| sys.hash_info.modulus) |
| ) |
| self.assertIsInstance(sys.hash_info.inf, int) |
| self.assertIsInstance(sys.hash_info.nan, int) |
| self.assertIsInstance(sys.hash_info.imag, int) |
| |
| self.assertIsInstance(sys.maxsize, int) |
| self.assertIsInstance(sys.maxunicode, int) |
| self.assertIsInstance(sys.platform, str) |
| self.assertIsInstance(sys.prefix, str) |
| self.assertIsInstance(sys.version, str) |
| vi = sys.version_info |
| self.assertIsInstance(vi[:], tuple) |
| self.assertEqual(len(vi), 5) |
| self.assertIsInstance(vi[0], int) |
| self.assertIsInstance(vi[1], int) |
| self.assertIsInstance(vi[2], int) |
| self.assertIn(vi[3], ("alpha", "beta", "candidate", "final")) |
| self.assertIsInstance(vi[4], int) |
| self.assertIsInstance(vi.major, int) |
| self.assertIsInstance(vi.minor, int) |
| self.assertIsInstance(vi.micro, int) |
| self.assertIn(vi.releaselevel, ("alpha", "beta", "candidate", "final")) |
| self.assertIsInstance(vi.serial, int) |
| self.assertEqual(vi[0], vi.major) |
| self.assertEqual(vi[1], vi.minor) |
| self.assertEqual(vi[2], vi.micro) |
| self.assertEqual(vi[3], vi.releaselevel) |
| self.assertEqual(vi[4], vi.serial) |
| self.assertTrue(vi > (1,0,0)) |
| self.assertIsInstance(sys.float_repr_style, str) |
| self.assertIn(sys.float_repr_style, ('short', 'legacy')) |
| |
| def test_43581(self): |
| # Can't use sys.stdout, as this is a StringIO object when |
| # the test runs under regrtest. |
| self.assertEqual(sys.__stdout__.encoding, sys.__stderr__.encoding) |
| |
| def test_intern(self): |
| global numruns |
| numruns += 1 |
| self.assertRaises(TypeError, sys.intern) |
| s = "never interned before" + str(numruns) |
| self.assertTrue(sys.intern(s) is s) |
| s2 = s.swapcase().swapcase() |
| self.assertTrue(sys.intern(s2) is s) |
| |
| # Subclasses of string can't be interned, because they |
| # provide too much opportunity for insane things to happen. |
| # We don't want them in the interned dict and if they aren't |
| # actually interned, we don't want to create the appearance |
| # that they are by allowing intern() to succeeed. |
| class S(str): |
| def __hash__(self): |
| return 123 |
| |
| self.assertRaises(TypeError, sys.intern, S("abc")) |
| |
| def test_main_invalid_unicode(self): |
| import locale |
| non_decodable = b"\xff" |
| encoding = locale.getpreferredencoding() |
| try: |
| non_decodable.decode(encoding) |
| except UnicodeDecodeError: |
| pass |
| else: |
| self.skipTest('%r is decodable with encoding %s' |
| % (non_decodable, encoding)) |
| code = b'print("' + non_decodable + b'")' |
| p = subprocess.Popen([sys.executable, "-c", code], stderr=subprocess.PIPE) |
| stdout, stderr = p.communicate() |
| self.assertEqual(p.returncode, 1) |
| self.assert_(b"UnicodeEncodeError:" in stderr, |
| "%r not in %s" % (b"UniodeEncodeError:", ascii(stderr))) |
| |
| def test_sys_flags(self): |
| self.assertTrue(sys.flags) |
| attrs = ("debug", "division_warning", |
| "inspect", "interactive", "optimize", "dont_write_bytecode", |
| "no_user_site", "no_site", "ignore_environment", "verbose", |
| "bytes_warning") |
| for attr in attrs: |
| self.assertTrue(hasattr(sys.flags, attr), attr) |
| self.assertEqual(type(getattr(sys.flags, attr)), int, attr) |
| self.assertTrue(repr(sys.flags)) |
| self.assertEqual(len(sys.flags), len(attrs)) |
| |
| def test_clear_type_cache(self): |
| sys._clear_type_cache() |
| |
| def test_ioencoding(self): |
| import subprocess |
| env = dict(os.environ) |
| |
| # Test character: cent sign, encoded as 0x4A (ASCII J) in CP424, |
| # not representable in ASCII. |
| |
| env["PYTHONIOENCODING"] = "cp424" |
| p = subprocess.Popen([sys.executable, "-c", 'print(chr(0xa2))'], |
| stdout = subprocess.PIPE, env=env) |
| out = p.communicate()[0].strip() |
| self.assertEqual(out, "\xa2\n".encode("cp424")) |
| |
| env["PYTHONIOENCODING"] = "ascii:replace" |
| p = subprocess.Popen([sys.executable, "-c", 'print(chr(0xa2))'], |
| stdout = subprocess.PIPE, env=env) |
| out = p.communicate()[0].strip() |
| self.assertEqual(out, b'?') |
| |
| def test_executable(self): |
| # Issue #7774: Ensure that sys.executable is an empty string if argv[0] |
| # has been set to an non existent program name and Python is unable to |
| # retrieve the real program name |
| import subprocess |
| # For a normal installation, it should work without 'cwd' |
| # argument. For test runs in the build directory, see #7774. |
| python_dir = os.path.dirname(os.path.realpath(sys.executable)) |
| p = subprocess.Popen( |
| ["nonexistent", "-c", |
| 'import sys; print(sys.executable.encode("ascii", "backslashreplace"))'], |
| executable=sys.executable, stdout=subprocess.PIPE, cwd=python_dir) |
| stdout = p.communicate()[0] |
| executable = stdout.strip().decode("ASCII") |
| p.wait() |
| self.assertIn(executable, ["b''", repr(sys.executable.encode("ascii", "backslashreplace"))]) |
| |
| |
| class SizeofTest(unittest.TestCase): |
| |
| TPFLAGS_HAVE_GC = 1<<14 |
| TPFLAGS_HEAPTYPE = 1<<9 |
| |
| def setUp(self): |
| self.c = len(struct.pack('c', ' ')) |
| self.H = len(struct.pack('H', 0)) |
| self.i = len(struct.pack('i', 0)) |
| self.l = len(struct.pack('l', 0)) |
| self.P = len(struct.pack('P', 0)) |
| # due to missing size_t information from struct, it is assumed that |
| # sizeof(Py_ssize_t) = sizeof(void*) |
| self.header = 'PP' |
| self.vheader = self.header + 'P' |
| if hasattr(sys, "gettotalrefcount"): |
| self.header += '2P' |
| self.vheader += '2P' |
| self.longdigit = sys.int_info.sizeof_digit |
| import _testcapi |
| self.gc_headsize = _testcapi.SIZEOF_PYGC_HEAD |
| self.file = open(test.support.TESTFN, 'wb') |
| |
| def tearDown(self): |
| self.file.close() |
| test.support.unlink(test.support.TESTFN) |
| |
| def check_sizeof(self, o, size): |
| result = sys.getsizeof(o) |
| # add GC header size |
| if ((type(o) == type) and (o.__flags__ & self.TPFLAGS_HEAPTYPE) or\ |
| ((type(o) != type) and (type(o).__flags__ & self.TPFLAGS_HAVE_GC))): |
| size += self.gc_headsize |
| msg = 'wrong size for %s: got %d, expected %d' \ |
| % (type(o), result, size) |
| self.assertEqual(result, size, msg) |
| |
| def calcsize(self, fmt): |
| """Wrapper around struct.calcsize which enforces the alignment of the |
| end of a structure to the alignment requirement of pointer. |
| |
| Note: This wrapper should only be used if a pointer member is included |
| and no member with a size larger than a pointer exists. |
| """ |
| return struct.calcsize(fmt + '0P') |
| |
| def test_gc_head_size(self): |
| # Check that the gc header size is added to objects tracked by the gc. |
| h = self.header |
| vh = self.vheader |
| size = self.calcsize |
| gc_header_size = self.gc_headsize |
| # bool objects are not gc tracked |
| self.assertEqual(sys.getsizeof(True), size(vh) + self.longdigit) |
| # but lists are |
| self.assertEqual(sys.getsizeof([]), size(vh + 'PP') + gc_header_size) |
| |
| def test_default(self): |
| h = self.header |
| vh = self.vheader |
| size = self.calcsize |
| self.assertEqual(sys.getsizeof(True), size(vh) + self.longdigit) |
| self.assertEqual(sys.getsizeof(True, -1), size(vh) + self.longdigit) |
| |
| def test_objecttypes(self): |
| # check all types defined in Objects/ |
| h = self.header |
| vh = self.vheader |
| size = self.calcsize |
| check = self.check_sizeof |
| # bool |
| check(True, size(vh) + self.longdigit) |
| # buffer |
| # XXX |
| # builtin_function_or_method |
| check(len, size(h + '3P')) |
| # bytearray |
| samples = [b'', b'u'*100000] |
| for sample in samples: |
| x = bytearray(sample) |
| check(x, size(vh + 'iPP') + x.__alloc__() * self.c) |
| # bytearray_iterator |
| check(iter(bytearray()), size(h + 'PP')) |
| # cell |
| def get_cell(): |
| x = 42 |
| def inner(): |
| return x |
| return inner |
| check(get_cell().__closure__[0], size(h + 'P')) |
| # code |
| check(get_cell().__code__, size(h + '5i8Pi3P')) |
| # complex |
| check(complex(0,1), size(h + '2d')) |
| # method_descriptor (descriptor object) |
| check(str.lower, size(h + '2PP')) |
| # classmethod_descriptor (descriptor object) |
| # XXX |
| # member_descriptor (descriptor object) |
| import datetime |
| check(datetime.timedelta.days, size(h + '2PP')) |
| # getset_descriptor (descriptor object) |
| import collections |
| check(collections.defaultdict.default_factory, size(h + '2PP')) |
| # wrapper_descriptor (descriptor object) |
| check(int.__add__, size(h + '2P2P')) |
| # method-wrapper (descriptor object) |
| check({}.__iter__, size(h + '2P')) |
| # dict |
| check({}, size(h + '3P2P' + 8*'P2P')) |
| longdict = {1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7, 8:8} |
| check(longdict, size(h + '3P2P' + 8*'P2P') + 16*size('P2P')) |
| # dictionary-keyiterator |
| check({}.keys(), size(h + 'P')) |
| # dictionary-valueiterator |
| check({}.values(), size(h + 'P')) |
| # dictionary-itemiterator |
| check({}.items(), size(h + 'P')) |
| # dictproxy |
| class C(object): pass |
| check(C.__dict__, size(h + 'P')) |
| # BaseException |
| check(BaseException(), size(h + '5P')) |
| # UnicodeEncodeError |
| check(UnicodeEncodeError("", "", 0, 0, ""), size(h + '5P 2P2PP')) |
| # UnicodeDecodeError |
| # XXX |
| # check(UnicodeDecodeError("", "", 0, 0, ""), size(h + '5P2PP')) |
| # UnicodeTranslateError |
| check(UnicodeTranslateError("", 0, 1, ""), size(h + '5P 2P2PP')) |
| # ellipses |
| check(Ellipsis, size(h + '')) |
| # EncodingMap |
| import codecs, encodings.iso8859_3 |
| x = codecs.charmap_build(encodings.iso8859_3.decoding_table) |
| check(x, size(h + '32B2iB')) |
| # enumerate |
| check(enumerate([]), size(h + 'l3P')) |
| # reverse |
| check(reversed(''), size(h + 'PP')) |
| # float |
| check(float(0), size(h + 'd')) |
| # sys.floatinfo |
| check(sys.float_info, size(vh) + self.P * len(sys.float_info)) |
| # frame |
| import inspect |
| CO_MAXBLOCKS = 20 |
| x = inspect.currentframe() |
| ncells = len(x.f_code.co_cellvars) |
| nfrees = len(x.f_code.co_freevars) |
| extras = x.f_code.co_stacksize + x.f_code.co_nlocals +\ |
| ncells + nfrees - 1 |
| check(x, size(vh + '12P3i' + CO_MAXBLOCKS*'3i' + 'P' + extras*'P')) |
| # function |
| def func(): pass |
| check(func, size(h + '11P')) |
| class c(): |
| @staticmethod |
| def foo(): |
| pass |
| @classmethod |
| def bar(cls): |
| pass |
| # staticmethod |
| check(foo, size(h + 'P')) |
| # classmethod |
| check(bar, size(h + 'P')) |
| # generator |
| def get_gen(): yield 1 |
| check(get_gen(), size(h + 'Pi2P')) |
| # iterator |
| check(iter('abc'), size(h + 'lP')) |
| # callable-iterator |
| import re |
| check(re.finditer('',''), size(h + '2P')) |
| # list |
| samples = [[], [1,2,3], ['1', '2', '3']] |
| for sample in samples: |
| check(sample, size(vh + 'PP') + len(sample)*self.P) |
| # sortwrapper (list) |
| # XXX |
| # cmpwrapper (list) |
| # XXX |
| # listiterator (list) |
| check(iter([]), size(h + 'lP')) |
| # listreverseiterator (list) |
| check(reversed([]), size(h + 'lP')) |
| # long |
| check(0, size(vh)) |
| check(1, size(vh) + self.longdigit) |
| check(-1, size(vh) + self.longdigit) |
| PyLong_BASE = 2**sys.int_info.bits_per_digit |
| check(int(PyLong_BASE), size(vh) + 2*self.longdigit) |
| check(int(PyLong_BASE**2-1), size(vh) + 2*self.longdigit) |
| check(int(PyLong_BASE**2), size(vh) + 3*self.longdigit) |
| # memory |
| check(memoryview(b''), size(h + 'P PP2P2i7P')) |
| # module |
| check(unittest, size(h + '3P')) |
| # None |
| check(None, size(h + '')) |
| # NotImplementedType |
| check(NotImplemented, size(h)) |
| # object |
| check(object(), size(h + '')) |
| # property (descriptor object) |
| class C(object): |
| def getx(self): return self.__x |
| def setx(self, value): self.__x = value |
| def delx(self): del self.__x |
| x = property(getx, setx, delx, "") |
| check(x, size(h + '4Pi')) |
| # PyCapsule |
| # XXX |
| # rangeiterator |
| check(iter(range(1)), size(h + '4l')) |
| # reverse |
| check(reversed(''), size(h + 'PP')) |
| # range |
| check(range(1), size(h + '3P')) |
| check(range(66000), size(h + '3P')) |
| # set |
| # frozenset |
| PySet_MINSIZE = 8 |
| samples = [[], range(10), range(50)] |
| s = size(h + '3P2P' + PySet_MINSIZE*'lP' + 'lP') |
| for sample in samples: |
| minused = len(sample) |
| if minused == 0: tmp = 1 |
| # the computation of minused is actually a bit more complicated |
| # but this suffices for the sizeof test |
| minused = minused*2 |
| newsize = PySet_MINSIZE |
| while newsize <= minused: |
| newsize = newsize << 1 |
| if newsize <= 8: |
| check(set(sample), s) |
| check(frozenset(sample), s) |
| else: |
| check(set(sample), s + newsize*struct.calcsize('lP')) |
| check(frozenset(sample), s + newsize*struct.calcsize('lP')) |
| # setiterator |
| check(iter(set()), size(h + 'P3P')) |
| # slice |
| check(slice(0), size(h + '3P')) |
| # super |
| check(super(int), size(h + '3P')) |
| # tuple |
| check((), size(vh)) |
| check((1,2,3), size(vh) + 3*self.P) |
| # type |
| # (PyTypeObject + PyNumberMethods + PyMappingMethods + |
| # PySequenceMethods + PyBufferProcs) |
| s = size(vh + 'P2P15Pl4PP9PP11PI') + size('16Pi17P 3P 10P 2P 2P') |
| check(int, s) |
| # class |
| class newstyleclass(object): pass |
| check(newstyleclass, s) |
| # unicode |
| usize = len('\0'.encode('unicode-internal')) |
| samples = ['', '1'*100] |
| # we need to test for both sizes, because we don't know if the string |
| # has been cached |
| for s in samples: |
| basicsize = size(h + 'PPliP') + usize * (len(s) + 1) |
| check(s, basicsize) |
| # weakref |
| import weakref |
| check(weakref.ref(int), size(h + '2Pl2P')) |
| # weakproxy |
| # XXX |
| # weakcallableproxy |
| check(weakref.proxy(int), size(h + '2Pl2P')) |
| |
| def test_pythontypes(self): |
| # check all types defined in Python/ |
| h = self.header |
| vh = self.vheader |
| size = self.calcsize |
| check = self.check_sizeof |
| # _ast.AST |
| import _ast |
| check(_ast.AST(), size(h + '')) |
| # imp.NullImporter |
| import imp |
| check(imp.NullImporter(self.file.name), size(h + '')) |
| try: |
| raise TypeError |
| except TypeError: |
| tb = sys.exc_info()[2] |
| # traceback |
| if tb != None: |
| check(tb, size(h + '2P2i')) |
| # symtable entry |
| # XXX |
| # sys.flags |
| check(sys.flags, size(vh) + self.P * len(sys.flags)) |
| |
| def test_getfilesystemencoding(self): |
| import codecs |
| |
| def check_fsencoding(fs_encoding): |
| self.assertIsNotNone(fs_encoding) |
| if sys.platform == 'darwin': |
| self.assertEqual(fs_encoding, 'utf-8') |
| codecs.lookup(fs_encoding) |
| |
| fs_encoding = sys.getfilesystemencoding() |
| check_fsencoding(fs_encoding) |
| |
| # Even in C locale |
| try: |
| sys.executable.encode('ascii') |
| except UnicodeEncodeError: |
| # Python doesn't start with ASCII locale if its path is not ASCII, |
| # see issue #8611 |
| pass |
| else: |
| env = os.environ.copy() |
| env['LANG'] = 'C' |
| output = subprocess.check_output( |
| [sys.executable, "-c", |
| "import sys; print(sys.getfilesystemencoding())"], |
| env=env) |
| fs_encoding = output.rstrip().decode('ascii') |
| check_fsencoding(fs_encoding) |
| |
| def test_setfilesystemencoding(self): |
| old = sys.getfilesystemencoding() |
| try: |
| sys.setfilesystemencoding("iso-8859-1") |
| self.assertEqual(sys.getfilesystemencoding(), "iso-8859-1") |
| finally: |
| sys.setfilesystemencoding(old) |
| try: |
| self.assertRaises(LookupError, sys.setfilesystemencoding, "xxx") |
| finally: |
| sys.setfilesystemencoding(old) |
| |
| def test_main(): |
| test.support.run_unittest(SysModuleTest, SizeofTest) |
| |
| if __name__ == "__main__": |
| test_main() |