/lib-python/2.7/test/test_sys.py
Python | 815 lines | 703 code | 52 blank | 60 comment | 26 complexity | 045ebff27c9a0adbe726360ef6982bb4 MD5 | raw file
- # -*- coding: iso-8859-1 -*-
- import unittest, test.test_support
- import sys, os, cStringIO
- import struct
- import operator
- class SysModuleTest(unittest.TestCase):
- def tearDown(self):
- test.test_support.reap_children()
- def test_original_displayhook(self):
- import __builtin__
- savestdout = sys.stdout
- out = cStringIO.StringIO()
- sys.stdout = out
- dh = sys.__displayhook__
- self.assertRaises(TypeError, dh)
- if hasattr(__builtin__, "_"):
- del __builtin__._
- dh(None)
- self.assertEqual(out.getvalue(), "")
- self.assertTrue(not hasattr(__builtin__, "_"))
- dh(42)
- self.assertEqual(out.getvalue(), "42\n")
- self.assertEqual(__builtin__._, 42)
- del sys.stdout
- self.assertRaises(RuntimeError, dh, 42)
- sys.stdout = savestdout
- def test_lost_displayhook(self):
- olddisplayhook = sys.displayhook
- del sys.displayhook
- code = compile("42", "<string>", "single")
- self.assertRaises(RuntimeError, eval, code)
- sys.displayhook = olddisplayhook
- def test_custom_displayhook(self):
- olddisplayhook = sys.displayhook
- def baddisplayhook(obj):
- raise ValueError
- sys.displayhook = baddisplayhook
- code = compile("42", "<string>", "single")
- self.assertRaises(ValueError, eval, code)
- sys.displayhook = olddisplayhook
- def test_original_excepthook(self):
- savestderr = sys.stderr
- err = cStringIO.StringIO()
- sys.stderr = err
- eh = sys.__excepthook__
- self.assertRaises(TypeError, eh)
- try:
- raise ValueError(42)
- except ValueError, exc:
- eh(*sys.exc_info())
- sys.stderr = savestderr
- self.assertTrue(err.getvalue().endswith("ValueError: 42\n"))
- # FIXME: testing the code for a lost or replaced excepthook in
- # Python/pythonrun.c::PyErr_PrintEx() is tricky.
- def test_exc_clear(self):
- self.assertRaises(TypeError, sys.exc_clear, 42)
- # Verify that exc_info is present and matches exc, then clear it, and
- # check that it worked.
- def clear_check(exc):
- typ, value, traceback = sys.exc_info()
- self.assertTrue(typ is not None)
- self.assertTrue(value is exc)
- self.assertTrue(traceback is not None)
- with test.test_support.check_py3k_warnings():
- sys.exc_clear()
- typ, value, traceback = sys.exc_info()
- self.assertTrue(typ is None)
- self.assertTrue(value is None)
- self.assertTrue(traceback is None)
- def clear():
- try:
- raise ValueError, 42
- except ValueError, exc:
- clear_check(exc)
- # Raise an exception and check that it can be cleared
- clear()
- # Verify that a frame currently handling an exception is
- # unaffected by calling exc_clear in a nested frame.
- try:
- raise ValueError, 13
- except ValueError, exc:
- typ1, value1, traceback1 = sys.exc_info()
- clear()
- typ2, value2, traceback2 = sys.exc_info()
- self.assertTrue(typ1 is typ2)
- self.assertTrue(value1 is exc)
- self.assertTrue(value1 is value2)
- self.assertTrue(traceback1 is traceback2)
- # Check that an exception can be cleared outside of an except block
- clear_check(exc)
- def test_exit(self):
- self.assertRaises(TypeError, sys.exit, 42, 42)
- # call without argument
- try:
- sys.exit(0)
- except SystemExit, exc:
- self.assertEqual(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, exc:
- self.assertEqual(exc.code, 42)
- except:
- self.fail("wrong exception")
- else:
- self.fail("no exception")
- # call with integer argument
- try:
- sys.exit((42,))
- except SystemExit, exc:
- self.assertEqual(exc.code, 42)
- except:
- self.fail("wrong exception")
- else:
- self.fail("no exception")
- # call with string argument
- try:
- sys.exit("exit")
- except SystemExit, exc:
- self.assertEqual(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, exc:
- self.assertEqual(exc.code, (17, 23))
- except:
- self.fail("wrong exception")
- else:
- self.fail("no exception")
- # test that the exit machinery handles SystemExits properly
- import subprocess
- # both unnormalized...
- rc = subprocess.call([sys.executable, "-c",
- "raise SystemExit, 46"])
- self.assertEqual(rc, 46)
- # ... and normalized
- 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" % (repr(stderr), repr(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 unicode message is encoded to the stderr encoding
- env = os.environ.copy()
- env['PYTHONIOENCODING'] = 'latin-1'
- check_exit_message(
- r'import sys; sys.exit(u"h\xe9")',
- b"h\xe9", env=env)
- def test_getdefaultencoding(self):
- if test.test_support.have_unicode:
- 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_sys_settrace.py
- # testing sys.setprofile() is done in test_sys_setprofile.py
- def test_setcheckinterval(self):
- 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.assertEqual(sys.getcheckinterval(), n)
- 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)
- self.assertRaises(OverflowError, sys.setrecursionlimit, 1 << 31)
- try:
- sys.setrecursionlimit((1 << 31) - 5)
- try:
- # issue13546: isinstance(e, ValueError) used to fail
- # when the recursion limit is close to 1<<31
- raise ValueError()
- except ValueError, e:
- pass
- finally:
- sys.setrecursionlimit(oldlimit)
- def test_getwindowsversion(self):
- # Raise SkipTest if sys doesn't have getwindowsversion attribute
- test.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_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)
- @test.test_support.impl_detail("reference counting")
- 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.im_func.func_code \
- is sys._getframe().f_code
- )
- @test.test_support.impl_detail("current_frames")
- 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.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, basestring)
- self.assertIsInstance(sys.exec_prefix, basestring)
- self.assertIsInstance(sys.executable, basestring)
- self.assertEqual(len(sys.float_info), 11)
- self.assertEqual(sys.float_info.radix, 2)
- self.assertEqual(len(sys.long_info), 2)
- if test.test_support.check_impl_detail(cpython=True):
- self.assertTrue(sys.long_info.bits_per_digit % 5 == 0)
- else:
- self.assertTrue(sys.long_info.bits_per_digit >= 1)
- self.assertTrue(sys.long_info.sizeof_digit >= 1)
- self.assertEqual(type(sys.long_info.bits_per_digit), int)
- self.assertEqual(type(sys.long_info.sizeof_digit), int)
- self.assertIsInstance(sys.hexversion, int)
- self.assertIsInstance(sys.maxint, int)
- if test.test_support.have_unicode:
- self.assertIsInstance(sys.maxunicode, int)
- self.assertIsInstance(sys.platform, basestring)
- self.assertIsInstance(sys.prefix, basestring)
- self.assertIsInstance(sys.version, basestring)
- 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 cStringIO object when
- # the test runs under regrtest.
- self.assertTrue(sys.__stdout__.encoding == sys.__stderr__.encoding)
- def test_sys_flags(self):
- self.assertTrue(sys.flags)
- attrs = ("debug", "py3k_warning", "division_warning", "division_new",
- "inspect", "interactive", "optimize", "dont_write_bytecode",
- "no_site", "ignore_environment", "tabcheck", "verbose",
- "unicode", "bytes_warning", "hash_randomization")
- 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))
- @test.test_support.impl_detail("sys._clear_type_cache")
- 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 unichr(0xa2)'],
- stdout = subprocess.PIPE, env=env)
- out = p.communicate()[0].strip()
- self.assertEqual(out, unichr(0xa2).encode("cp424"))
- env["PYTHONIOENCODING"] = "ascii:replace"
- p = subprocess.Popen([sys.executable, "-c", 'print unichr(0xa2)'],
- stdout = subprocess.PIPE, env=env)
- out = p.communicate()[0].strip()
- self.assertEqual(out, '?')
- def test_call_tracing(self):
- self.assertEqual(sys.call_tracing(str, (2,)), "2")
- self.assertRaises(TypeError, sys.call_tracing, str, 2)
- def test_executable(self):
- # sys.executable should be absolute
- self.assertEqual(os.path.abspath(sys.executable), sys.executable)
- # 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 repr(sys.executable)'],
- executable=sys.executable, stdout=subprocess.PIPE, cwd=python_dir)
- executable = p.communicate()[0].strip()
- p.wait()
- self.assertIn(executable, ["''", repr(sys.executable)])
- @unittest.skipUnless(test.test_support.check_impl_detail(), "sys.getsizeof()")
- class SizeofTest(unittest.TestCase):
- TPFLAGS_HAVE_GC = 1<<14
- TPFLAGS_HEAPTYPE = 1L<<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.long_info.sizeof_digit
- import _testcapi
- self.gc_headsize = _testcapi.SIZEOF_PYGC_HEAD
- self.file = open(test.test_support.TESTFN, 'wb')
- def tearDown(self):
- self.file.close()
- test.test_support.unlink(test.test_support.TESTFN)
- def check_sizeof(self, o, size):
- result = sys.getsizeof(o)
- 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
- size = self.calcsize
- gc_header_size = self.gc_headsize
- # bool objects are not gc tracked
- self.assertEqual(sys.getsizeof(True), size(h + 'l'))
- # but lists are
- self.assertEqual(sys.getsizeof([]), size(h + 'P PP') + gc_header_size)
- def test_default(self):
- h = self.header
- size = self.calcsize
- self.assertEqual(sys.getsizeof(True, -1), size(h + 'l'))
- 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(h + 'l'))
- # buffer
- with test.test_support.check_py3k_warnings():
- check(buffer(''), size(h + '2P2Pil'))
- # builtin_function_or_method
- check(len, size(h + '3P'))
- # bytearray
- samples = ['', '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().func_closure[0], size(h + 'P'))
- # classobj (old-style class)
- class class_oldstyle():
- def method():
- pass
- check(class_oldstyle, size(h + '7P'))
- # instance (old-style class)
- check(class_oldstyle(), size(h + '3P'))
- # instancemethod (old-style class)
- check(class_oldstyle().method, size(h + '4P'))
- # complex
- check(complex(0,1), size(h + '2d'))
- # code
- check(get_cell().func_code, size(h + '4i8Pi3P'))
- # BaseException
- check(BaseException(), size(h + '3P'))
- # UnicodeEncodeError
- check(UnicodeEncodeError("", u"", 0, 0, ""), size(h + '5P2PP'))
- # UnicodeDecodeError
- check(UnicodeDecodeError("", "", 0, 0, ""), size(h + '5P2PP'))
- # UnicodeTranslateError
- check(UnicodeTranslateError(u"", 0, 1, ""), size(h + '5P2PP'))
- # 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 __builtin__
- check(__builtin__.file.closed, size(h + '2PP'))
- # wrapper_descriptor (descriptor object)
- check(int.__add__, size(h + '2P2P'))
- # dictproxy
- class C(object): pass
- check(C.__dict__, size(h + 'P'))
- # method-wrapper (descriptor object)
- check({}.__iter__, size(h + '2P'))
- # dict
- check({}, size(h + '3P2P' + 8*'P2P'))
- x = {1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7, 8:8}
- check(x, size(h + '3P2P' + 8*'P2P') + 16*size('P2P'))
- # dictionary-keyiterator
- check({}.iterkeys(), size(h + 'P2PPP'))
- # dictionary-valueiterator
- check({}.itervalues(), size(h + 'P2PPP'))
- # dictionary-itemiterator
- check({}.iteritems(), size(h + 'P2PPP'))
- # 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'))
- # file
- check(self.file, size(h + '4P2i4P3i3P3i'))
- # 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 + '9P'))
- 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'))
- # integer
- check(1, size(h + 'l'))
- check(100, size(h + 'l'))
- # 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(0L, size(vh))
- check(1L, size(vh) + self.longdigit)
- check(-1L, size(vh) + self.longdigit)
- PyLong_BASE = 2**sys.long_info.bits_per_digit
- check(long(PyLong_BASE), size(vh) + 2*self.longdigit)
- check(long(PyLong_BASE**2-1), size(vh) + 2*self.longdigit)
- check(long(PyLong_BASE**2), size(vh) + 3*self.longdigit)
- # module
- check(unittest, size(h + 'P'))
- # None
- check(None, 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'))
- # PyCObject
- # PyCapsule
- # XXX
- # rangeiterator
- check(iter(xrange(1)), size(h + '4l'))
- # reverse
- check(reversed(''), size(h + 'PP'))
- # 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(1), size(h + '3P'))
- # str
- check('', struct.calcsize(vh + 'li') + 1)
- check('abc', struct.calcsize(vh + 'li') + 1 + 3*self.c)
- # super
- check(super(int), size(h + '3P'))
- # tuple
- check((), size(vh))
- check((1,2,3), size(vh) + 3*self.P)
- # tupleiterator
- check(iter(()), size(h + 'lP'))
- # type
- # (PyTypeObject + PyNumberMethods + PyMappingMethods +
- # PySequenceMethods + PyBufferProcs)
- s = size(vh + 'P2P15Pl4PP9PP11PI') + size('41P 10P 3P 6P')
- class newstyleclass(object):
- pass
- check(newstyleclass, s)
- # builtin type
- check(int, s)
- # NotImplementedType
- import types
- check(types.NotImplementedType, s)
- # unicode
- usize = len(u'\0'.encode('unicode-internal'))
- samples = [u'', u'1'*100]
- # we need to test for both sizes, because we don't know if the string
- # has been cached
- for s in samples:
- check(s, size(h + 'PPlP') + usize * (len(s) + 1))
- # weakref
- import weakref
- check(weakref.ref(int), size(h + '2Pl2P'))
- # weakproxy
- # XXX
- # weakcallableproxy
- check(weakref.proxy(int), size(h + '2Pl2P'))
- # xrange
- check(xrange(1), size(h + '3l'))
- check(xrange(66000), size(h + '3l'))
- 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_main():
- test_classes = (SysModuleTest, SizeofTest)
- test.test_support.run_unittest(*test_classes)
- if __name__ == "__main__":
- test_main()