# -*- 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) | |
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) | |
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 | |
) | |
# 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.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) | |
self.assertTrue(sys.long_info.bits_per_digit % 5 == 0) | |
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") | |
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)) | |
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): | |
# 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)]) | |
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() |