1 # -*- coding: iso-8859-1 -*- 2 import unittest, test.test_support 3 import sys, os, cStringIO 4 import struct 5 import operator 6 7 class SysModuleTest(unittest.TestCase): 8 9 def tearDown(self): 10 test.test_support.reap_children() 11 12 def test_original_displayhook(self): 13 import __builtin__ 14 savestdout = sys.stdout 15 out = cStringIO.StringIO() 16 sys.stdout = out 17 18 dh = sys.__displayhook__ 19 20 self.assertRaises(TypeError, dh) 21 if hasattr(__builtin__, "_"): 22 del __builtin__._ 23 24 dh(None) 25 self.assertEqual(out.getvalue(), "") 26 self.assertTrue(not hasattr(__builtin__, "_")) 27 dh(42) 28 self.assertEqual(out.getvalue(), "42\n") 29 self.assertEqual(__builtin__._, 42) 30 31 del sys.stdout 32 self.assertRaises(RuntimeError, dh, 42) 33 34 sys.stdout = savestdout 35 36 def test_lost_displayhook(self): 37 olddisplayhook = sys.displayhook 38 del sys.displayhook 39 code = compile("42", "<string>", "single") 40 self.assertRaises(RuntimeError, eval, code) 41 sys.displayhook = olddisplayhook 42 43 def test_custom_displayhook(self): 44 olddisplayhook = sys.displayhook 45 def baddisplayhook(obj): 46 raise ValueError 47 sys.displayhook = baddisplayhook 48 code = compile("42", "<string>", "single") 49 self.assertRaises(ValueError, eval, code) 50 sys.displayhook = olddisplayhook 51 52 def test_original_excepthook(self): 53 savestderr = sys.stderr 54 err = cStringIO.StringIO() 55 sys.stderr = err 56 57 eh = sys.__excepthook__ 58 59 self.assertRaises(TypeError, eh) 60 try: 61 raise ValueError(42) 62 except ValueError, exc: 63 eh(*sys.exc_info()) 64 65 sys.stderr = savestderr 66 self.assertTrue(err.getvalue().endswith("ValueError: 42\n")) 67 68 # FIXME: testing the code for a lost or replaced excepthook in 69 # Python/pythonrun.c::PyErr_PrintEx() is tricky. 70 71 def test_exc_clear(self): 72 self.assertRaises(TypeError, sys.exc_clear, 42) 73 74 # Verify that exc_info is present and matches exc, then clear it, and 75 # check that it worked. 76 def clear_check(exc): 77 typ, value, traceback = sys.exc_info() 78 self.assertTrue(typ is not None) 79 self.assertTrue(value is exc) 80 self.assertTrue(traceback is not None) 81 82 with test.test_support.check_py3k_warnings(): 83 sys.exc_clear() 84 85 typ, value, traceback = sys.exc_info() 86 self.assertTrue(typ is None) 87 self.assertTrue(value is None) 88 self.assertTrue(traceback is None) 89 90 def clear(): 91 try: 92 raise ValueError, 42 93 except ValueError, exc: 94 clear_check(exc) 95 96 # Raise an exception and check that it can be cleared 97 clear() 98 99 # Verify that a frame currently handling an exception is 100 # unaffected by calling exc_clear in a nested frame. 101 try: 102 raise ValueError, 13 103 except ValueError, exc: 104 typ1, value1, traceback1 = sys.exc_info() 105 clear() 106 typ2, value2, traceback2 = sys.exc_info() 107 108 self.assertTrue(typ1 is typ2) 109 self.assertTrue(value1 is exc) 110 self.assertTrue(value1 is value2) 111 self.assertTrue(traceback1 is traceback2) 112 113 # Check that an exception can be cleared outside of an except block 114 clear_check(exc) 115 116 def test_exit(self): 117 self.assertRaises(TypeError, sys.exit, 42, 42) 118 119 # call without argument 120 try: 121 sys.exit(0) 122 except SystemExit, exc: 123 self.assertEqual(exc.code, 0) 124 except: 125 self.fail("wrong exception") 126 else: 127 self.fail("no exception") 128 129 # call with tuple argument with one entry 130 # entry will be unpacked 131 try: 132 sys.exit(42) 133 except SystemExit, exc: 134 self.assertEqual(exc.code, 42) 135 except: 136 self.fail("wrong exception") 137 else: 138 self.fail("no exception") 139 140 # call with integer argument 141 try: 142 sys.exit((42,)) 143 except SystemExit, exc: 144 self.assertEqual(exc.code, 42) 145 except: 146 self.fail("wrong exception") 147 else: 148 self.fail("no exception") 149 150 # call with string argument 151 try: 152 sys.exit("exit") 153 except SystemExit, exc: 154 self.assertEqual(exc.code, "exit") 155 except: 156 self.fail("wrong exception") 157 else: 158 self.fail("no exception") 159 160 # call with tuple argument with two entries 161 try: 162 sys.exit((17, 23)) 163 except SystemExit, exc: 164 self.assertEqual(exc.code, (17, 23)) 165 except: 166 self.fail("wrong exception") 167 else: 168 self.fail("no exception") 169 170 # test that the exit machinery handles SystemExits properly 171 import subprocess 172 # both unnormalized... 173 rc = subprocess.call([sys.executable, "-c", 174 "raise SystemExit, 46"]) 175 self.assertEqual(rc, 46) 176 # ... and normalized 177 rc = subprocess.call([sys.executable, "-c", 178 "raise SystemExit(47)"]) 179 self.assertEqual(rc, 47) 180 181 def check_exit_message(code, expected, env=None): 182 process = subprocess.Popen([sys.executable, "-c", code], 183 stderr=subprocess.PIPE, env=env) 184 stdout, stderr = process.communicate() 185 self.assertEqual(process.returncode, 1) 186 self.assertTrue(stderr.startswith(expected), 187 "%s doesn't start with %s" % (repr(stderr), repr(expected))) 188 189 # test that stderr buffer if flushed before the exit message is written 190 # into stderr 191 check_exit_message( 192 r'import sys; sys.stderr.write("unflushed,"); sys.exit("message")', 193 b"unflushed,message") 194 195 # test that the unicode message is encoded to the stderr encoding 196 env = os.environ.copy() 197 env['PYTHONIOENCODING'] = 'latin-1' 198 check_exit_message( 199 r'import sys; sys.exit(u"h\xe9")', 200 b"h\xe9", env=env) 201 202 def test_getdefaultencoding(self): 203 if test.test_support.have_unicode: 204 self.assertRaises(TypeError, sys.getdefaultencoding, 42) 205 # can't check more than the type, as the user might have changed it 206 self.assertIsInstance(sys.getdefaultencoding(), str) 207 208 # testing sys.settrace() is done in test_sys_settrace.py 209 # testing sys.setprofile() is done in test_sys_setprofile.py 210 211 def test_setcheckinterval(self): 212 self.assertRaises(TypeError, sys.setcheckinterval) 213 orig = sys.getcheckinterval() 214 for n in 0, 100, 120, orig: # orig last to restore starting state 215 sys.setcheckinterval(n) 216 self.assertEqual(sys.getcheckinterval(), n) 217 218 def test_recursionlimit(self): 219 self.assertRaises(TypeError, sys.getrecursionlimit, 42) 220 oldlimit = sys.getrecursionlimit() 221 self.assertRaises(TypeError, sys.setrecursionlimit) 222 self.assertRaises(ValueError, sys.setrecursionlimit, -42) 223 sys.setrecursionlimit(10000) 224 self.assertEqual(sys.getrecursionlimit(), 10000) 225 sys.setrecursionlimit(oldlimit) 226 227 def test_getwindowsversion(self): 228 # Raise SkipTest if sys doesn't have getwindowsversion attribute 229 test.test_support.get_attribute(sys, "getwindowsversion") 230 v = sys.getwindowsversion() 231 self.assertEqual(len(v), 5) 232 self.assertIsInstance(v[0], int) 233 self.assertIsInstance(v[1], int) 234 self.assertIsInstance(v[2], int) 235 self.assertIsInstance(v[3], int) 236 self.assertIsInstance(v[4], str) 237 self.assertRaises(IndexError, operator.getitem, v, 5) 238 self.assertIsInstance(v.major, int) 239 self.assertIsInstance(v.minor, int) 240 self.assertIsInstance(v.build, int) 241 self.assertIsInstance(v.platform, int) 242 self.assertIsInstance(v.service_pack, str) 243 self.assertIsInstance(v.service_pack_minor, int) 244 self.assertIsInstance(v.service_pack_major, int) 245 self.assertIsInstance(v.suite_mask, int) 246 self.assertIsInstance(v.product_type, int) 247 self.assertEqual(v[0], v.major) 248 self.assertEqual(v[1], v.minor) 249 self.assertEqual(v[2], v.build) 250 self.assertEqual(v[3], v.platform) 251 self.assertEqual(v[4], v.service_pack) 252 253 # This is how platform.py calls it. Make sure tuple 254 # still has 5 elements 255 maj, min, buildno, plat, csd = sys.getwindowsversion() 256 257 def test_dlopenflags(self): 258 if hasattr(sys, "setdlopenflags"): 259 self.assertTrue(hasattr(sys, "getdlopenflags")) 260 self.assertRaises(TypeError, sys.getdlopenflags, 42) 261 oldflags = sys.getdlopenflags() 262 self.assertRaises(TypeError, sys.setdlopenflags) 263 sys.setdlopenflags(oldflags+1) 264 self.assertEqual(sys.getdlopenflags(), oldflags+1) 265 sys.setdlopenflags(oldflags) 266 267 def test_refcount(self): 268 # n here must be a global in order for this test to pass while 269 # tracing with a python function. Tracing calls PyFrame_FastToLocals 270 # which will add a copy of any locals to the frame object, causing 271 # the reference count to increase by 2 instead of 1. 272 global n 273 self.assertRaises(TypeError, sys.getrefcount) 274 c = sys.getrefcount(None) 275 n = None 276 self.assertEqual(sys.getrefcount(None), c+1) 277 del n 278 self.assertEqual(sys.getrefcount(None), c) 279 if hasattr(sys, "gettotalrefcount"): 280 self.assertIsInstance(sys.gettotalrefcount(), int) 281 282 def test_getframe(self): 283 self.assertRaises(TypeError, sys._getframe, 42, 42) 284 self.assertRaises(ValueError, sys._getframe, 2000000000) 285 self.assertTrue( 286 SysModuleTest.test_getframe.im_func.func_code \ 287 is sys._getframe().f_code 288 ) 289 290 # sys._current_frames() is a CPython-only gimmick. 291 def test_current_frames(self): 292 have_threads = True 293 try: 294 import thread 295 except ImportError: 296 have_threads = False 297 298 if have_threads: 299 self.current_frames_with_threads() 300 else: 301 self.current_frames_without_threads() 302 303 # Test sys._current_frames() in a WITH_THREADS build. 304 @test.test_support.reap_threads 305 def current_frames_with_threads(self): 306 import threading, thread 307 import traceback 308 309 # Spawn a thread that blocks at a known place. Then the main 310 # thread does sys._current_frames(), and verifies that the frames 311 # returned make sense. 312 entered_g = threading.Event() 313 leave_g = threading.Event() 314 thread_info = [] # the thread's id 315 316 def f123(): 317 g456() 318 319 def g456(): 320 thread_info.append(thread.get_ident()) 321 entered_g.set() 322 leave_g.wait() 323 324 t = threading.Thread(target=f123) 325 t.start() 326 entered_g.wait() 327 328 # At this point, t has finished its entered_g.set(), although it's 329 # impossible to guess whether it's still on that line or has moved on 330 # to its leave_g.wait(). 331 self.assertEqual(len(thread_info), 1) 332 thread_id = thread_info[0] 333 334 d = sys._current_frames() 335 336 main_id = thread.get_ident() 337 self.assertIn(main_id, d) 338 self.assertIn(thread_id, d) 339 340 # Verify that the captured main-thread frame is _this_ frame. 341 frame = d.pop(main_id) 342 self.assertTrue(frame is sys._getframe()) 343 344 # Verify that the captured thread frame is blocked in g456, called 345 # from f123. This is a litte tricky, since various bits of 346 # threading.py are also in the thread's call stack. 347 frame = d.pop(thread_id) 348 stack = traceback.extract_stack(frame) 349 for i, (filename, lineno, funcname, sourceline) in enumerate(stack): 350 if funcname == "f123": 351 break 352 else: 353 self.fail("didn't find f123() on thread's call stack") 354 355 self.assertEqual(sourceline, "g456()") 356 357 # And the next record must be for g456(). 358 filename, lineno, funcname, sourceline = stack[i+1] 359 self.assertEqual(funcname, "g456") 360 self.assertIn(sourceline, ["leave_g.wait()", "entered_g.set()"]) 361 362 # Reap the spawned thread. 363 leave_g.set() 364 t.join() 365 366 # Test sys._current_frames() when thread support doesn't exist. 367 def current_frames_without_threads(self): 368 # Not much happens here: there is only one thread, with artificial 369 # "thread id" 0. 370 d = sys._current_frames() 371 self.assertEqual(len(d), 1) 372 self.assertIn(0, d) 373 self.assertTrue(d[0] is sys._getframe()) 374 375 def test_attributes(self): 376 self.assertIsInstance(sys.api_version, int) 377 self.assertIsInstance(sys.argv, list) 378 self.assertIn(sys.byteorder, ("little", "big")) 379 self.assertIsInstance(sys.builtin_module_names, tuple) 380 self.assertIsInstance(sys.copyright, basestring) 381 self.assertIsInstance(sys.exec_prefix, basestring) 382 self.assertIsInstance(sys.executable, basestring) 383 self.assertEqual(len(sys.float_info), 11) 384 self.assertEqual(sys.float_info.radix, 2) 385 self.assertEqual(len(sys.long_info), 2) 386 self.assertTrue(sys.long_info.bits_per_digit % 5 == 0) 387 self.assertTrue(sys.long_info.sizeof_digit >= 1) 388 self.assertEqual(type(sys.long_info.bits_per_digit), int) 389 self.assertEqual(type(sys.long_info.sizeof_digit), int) 390 self.assertIsInstance(sys.hexversion, int) 391 self.assertIsInstance(sys.maxint, int) 392 if test.test_support.have_unicode: 393 self.assertIsInstance(sys.maxunicode, int) 394 self.assertIsInstance(sys.platform, basestring) 395 self.assertIsInstance(sys.prefix, basestring) 396 self.assertIsInstance(sys.version, basestring) 397 vi = sys.version_info 398 self.assertIsInstance(vi[:], tuple) 399 self.assertEqual(len(vi), 5) 400 self.assertIsInstance(vi[0], int) 401 self.assertIsInstance(vi[1], int) 402 self.assertIsInstance(vi[2], int) 403 self.assertIn(vi[3], ("alpha", "beta", "candidate", "final")) 404 self.assertIsInstance(vi[4], int) 405 self.assertIsInstance(vi.major, int) 406 self.assertIsInstance(vi.minor, int) 407 self.assertIsInstance(vi.micro, int) 408 self.assertIn(vi.releaselevel, ("alpha", "beta", "candidate", "final")) 409 self.assertIsInstance(vi.serial, int) 410 self.assertEqual(vi[0], vi.major) 411 self.assertEqual(vi[1], vi.minor) 412 self.assertEqual(vi[2], vi.micro) 413 self.assertEqual(vi[3], vi.releaselevel) 414 self.assertEqual(vi[4], vi.serial) 415 self.assertTrue(vi > (1,0,0)) 416 self.assertIsInstance(sys.float_repr_style, str) 417 self.assertIn(sys.float_repr_style, ('short', 'legacy')) 418 419 def test_43581(self): 420 # Can't use sys.stdout, as this is a cStringIO object when 421 # the test runs under regrtest. 422 self.assertTrue(sys.__stdout__.encoding == sys.__stderr__.encoding) 423 424 def test_sys_flags(self): 425 self.assertTrue(sys.flags) 426 attrs = ("debug", "py3k_warning", "division_warning", "division_new", 427 "inspect", "interactive", "optimize", "dont_write_bytecode", 428 "no_site", "ignore_environment", "tabcheck", "verbose", 429 "unicode", "bytes_warning") 430 for attr in attrs: 431 self.assertTrue(hasattr(sys.flags, attr), attr) 432 self.assertEqual(type(getattr(sys.flags, attr)), int, attr) 433 self.assertTrue(repr(sys.flags)) 434 435 def test_clear_type_cache(self): 436 sys._clear_type_cache() 437 438 def test_ioencoding(self): 439 import subprocess 440 env = dict(os.environ) 441 442 # Test character: cent sign, encoded as 0x4A (ASCII J) in CP424, 443 # not representable in ASCII. 444 445 env["PYTHONIOENCODING"] = "cp424" 446 p = subprocess.Popen([sys.executable, "-c", 'print unichr(0xa2)'], 447 stdout = subprocess.PIPE, env=env) 448 out = p.communicate()[0].strip() 449 self.assertEqual(out, unichr(0xa2).encode("cp424")) 450 451 env["PYTHONIOENCODING"] = "ascii:replace" 452 p = subprocess.Popen([sys.executable, "-c", 'print unichr(0xa2)'], 453 stdout = subprocess.PIPE, env=env) 454 out = p.communicate()[0].strip() 455 self.assertEqual(out, '?') 456 457 def test_call_tracing(self): 458 self.assertEqual(sys.call_tracing(str, (2,)), "2") 459 self.assertRaises(TypeError, sys.call_tracing, str, 2) 460 461 def test_executable(self): 462 # Issue #7774: Ensure that sys.executable is an empty string if argv[0] 463 # has been set to an non existent program name and Python is unable to 464 # retrieve the real program name 465 import subprocess 466 # For a normal installation, it should work without 'cwd' 467 # argument. For test runs in the build directory, see #7774. 468 python_dir = os.path.dirname(os.path.realpath(sys.executable)) 469 p = subprocess.Popen( 470 ["nonexistent", "-c", 'import sys; print repr(sys.executable)'], 471 executable=sys.executable, stdout=subprocess.PIPE, cwd=python_dir) 472 executable = p.communicate()[0].strip() 473 p.wait() 474 self.assertIn(executable, ["''", repr(sys.executable)]) 475 476 class SizeofTest(unittest.TestCase): 477 478 TPFLAGS_HAVE_GC = 1<<14 479 TPFLAGS_HEAPTYPE = 1L<<9 480 481 def setUp(self): 482 self.c = len(struct.pack('c', ' ')) 483 self.H = len(struct.pack('H', 0)) 484 self.i = len(struct.pack('i', 0)) 485 self.l = len(struct.pack('l', 0)) 486 self.P = len(struct.pack('P', 0)) 487 # due to missing size_t information from struct, it is assumed that 488 # sizeof(Py_ssize_t) = sizeof(void*) 489 self.header = 'PP' 490 self.vheader = self.header + 'P' 491 if hasattr(sys, "gettotalrefcount"): 492 self.header += '2P' 493 self.vheader += '2P' 494 self.longdigit = sys.long_info.sizeof_digit 495 import _testcapi 496 self.gc_headsize = _testcapi.SIZEOF_PYGC_HEAD 497 self.file = open(test.test_support.TESTFN, 'wb') 498 499 def tearDown(self): 500 self.file.close() 501 test.test_support.unlink(test.test_support.TESTFN) 502 503 def check_sizeof(self, o, size): 504 result = sys.getsizeof(o) 505 if ((type(o) == type) and (o.__flags__ & self.TPFLAGS_HEAPTYPE) or\ 506 ((type(o) != type) and (type(o).__flags__ & self.TPFLAGS_HAVE_GC))): 507 size += self.gc_headsize 508 msg = 'wrong size for %s: got %d, expected %d' \ 509 % (type(o), result, size) 510 self.assertEqual(result, size, msg) 511 512 def calcsize(self, fmt): 513 """Wrapper around struct.calcsize which enforces the alignment of the 514 end of a structure to the alignment requirement of pointer. 515 516 Note: This wrapper should only be used if a pointer member is included 517 and no member with a size larger than a pointer exists. 518 """ 519 return struct.calcsize(fmt + '0P') 520 521 def test_gc_head_size(self): 522 # Check that the gc header size is added to objects tracked by the gc. 523 h = self.header 524 size = self.calcsize 525 gc_header_size = self.gc_headsize 526 # bool objects are not gc tracked 527 self.assertEqual(sys.getsizeof(True), size(h + 'l')) 528 # but lists are 529 self.assertEqual(sys.getsizeof([]), size(h + 'P PP') + gc_header_size) 530 531 def test_default(self): 532 h = self.header 533 size = self.calcsize 534 self.assertEqual(sys.getsizeof(True, -1), size(h + 'l')) 535 536 def test_objecttypes(self): 537 # check all types defined in Objects/ 538 h = self.header 539 vh = self.vheader 540 size = self.calcsize 541 check = self.check_sizeof 542 # bool 543 check(True, size(h + 'l')) 544 # buffer 545 with test.test_support.check_py3k_warnings(): 546 check(buffer(''), size(h + '2P2Pil')) 547 # builtin_function_or_method 548 check(len, size(h + '3P')) 549 # bytearray 550 samples = ['', 'u'*100000] 551 for sample in samples: 552 x = bytearray(sample) 553 check(x, size(vh + 'iPP') + x.__alloc__() * self.c) 554 # bytearray_iterator 555 check(iter(bytearray()), size(h + 'PP')) 556 # cell 557 def get_cell(): 558 x = 42 559 def inner(): 560 return x 561 return inner 562 check(get_cell().func_closure[0], size(h + 'P')) 563 # classobj (old-style class) 564 class class_oldstyle(): 565 def method(): 566 pass 567 check(class_oldstyle, size(h + '7P')) 568 # instance (old-style class) 569 check(class_oldstyle(), size(h + '3P')) 570 # instancemethod (old-style class) 571 check(class_oldstyle().method, size(h + '4P')) 572 # complex 573 check(complex(0,1), size(h + '2d')) 574 # code 575 check(get_cell().func_code, size(h + '4i8Pi3P')) 576 # BaseException 577 check(BaseException(), size(h + '3P')) 578 # UnicodeEncodeError 579 check(UnicodeEncodeError("", u"", 0, 0, ""), size(h + '5P2PP')) 580 # UnicodeDecodeError 581 check(UnicodeDecodeError("", "", 0, 0, ""), size(h + '5P2PP')) 582 # UnicodeTranslateError 583 check(UnicodeTranslateError(u"", 0, 1, ""), size(h + '5P2PP')) 584 # method_descriptor (descriptor object) 585 check(str.lower, size(h + '2PP')) 586 # classmethod_descriptor (descriptor object) 587 # XXX 588 # member_descriptor (descriptor object) 589 import datetime 590 check(datetime.timedelta.days, size(h + '2PP')) 591 # getset_descriptor (descriptor object) 592 import __builtin__ 593 check(__builtin__.file.closed, size(h + '2PP')) 594 # wrapper_descriptor (descriptor object) 595 check(int.__add__, size(h + '2P2P')) 596 # dictproxy 597 class C(object): pass 598 check(C.__dict__, size(h + 'P')) 599 # method-wrapper (descriptor object) 600 check({}.__iter__, size(h + '2P')) 601 # dict 602 check({}, size(h + '3P2P' + 8*'P2P')) 603 x = {1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7, 8:8} 604 check(x, size(h + '3P2P' + 8*'P2P') + 16*size('P2P')) 605 # dictionary-keyiterator 606 check({}.iterkeys(), size(h + 'P2PPP')) 607 # dictionary-valueiterator 608 check({}.itervalues(), size(h + 'P2PPP')) 609 # dictionary-itemiterator 610 check({}.iteritems(), size(h + 'P2PPP')) 611 # ellipses 612 check(Ellipsis, size(h + '')) 613 # EncodingMap 614 import codecs, encodings.iso8859_3 615 x = codecs.charmap_build(encodings.iso8859_3.decoding_table) 616 check(x, size(h + '32B2iB')) 617 # enumerate 618 check(enumerate([]), size(h + 'l3P')) 619 # file 620 check(self.file, size(h + '4P2i4P3i3P3i')) 621 # float 622 check(float(0), size(h + 'd')) 623 # sys.floatinfo 624 check(sys.float_info, size(vh) + self.P * len(sys.float_info)) 625 # frame 626 import inspect 627 CO_MAXBLOCKS = 20 628 x = inspect.currentframe() 629 ncells = len(x.f_code.co_cellvars) 630 nfrees = len(x.f_code.co_freevars) 631 extras = x.f_code.co_stacksize + x.f_code.co_nlocals +\ 632 ncells + nfrees - 1 633 check(x, size(vh + '12P3i' + CO_MAXBLOCKS*'3i' + 'P' + extras*'P')) 634 # function 635 def func(): pass 636 check(func, size(h + '9P')) 637 class c(): 638 @staticmethod 639 def foo(): 640 pass 641 @classmethod 642 def bar(cls): 643 pass 644 # staticmethod 645 check(foo, size(h + 'P')) 646 # classmethod 647 check(bar, size(h + 'P')) 648 # generator 649 def get_gen(): yield 1 650 check(get_gen(), size(h + 'Pi2P')) 651 # integer 652 check(1, size(h + 'l')) 653 check(100, size(h + 'l')) 654 # iterator 655 check(iter('abc'), size(h + 'lP')) 656 # callable-iterator 657 import re 658 check(re.finditer('',''), size(h + '2P')) 659 # list 660 samples = [[], [1,2,3], ['1', '2', '3']] 661 for sample in samples: 662 check(sample, size(vh + 'PP') + len(sample)*self.P) 663 # sortwrapper (list) 664 # XXX 665 # cmpwrapper (list) 666 # XXX 667 # listiterator (list) 668 check(iter([]), size(h + 'lP')) 669 # listreverseiterator (list) 670 check(reversed([]), size(h + 'lP')) 671 # long 672 check(0L, size(vh)) 673 check(1L, size(vh) + self.longdigit) 674 check(-1L, size(vh) + self.longdigit) 675 PyLong_BASE = 2**sys.long_info.bits_per_digit 676 check(long(PyLong_BASE), size(vh) + 2*self.longdigit) 677 check(long(PyLong_BASE**2-1), size(vh) + 2*self.longdigit) 678 check(long(PyLong_BASE**2), size(vh) + 3*self.longdigit) 679 # module 680 check(unittest, size(h + 'P')) 681 # None 682 check(None, size(h + '')) 683 # object 684 check(object(), size(h + '')) 685 # property (descriptor object) 686 class C(object): 687 def getx(self): return self.__x 688 def setx(self, value): self.__x = value 689 def delx(self): del self.__x 690 x = property(getx, setx, delx, "") 691 check(x, size(h + '4Pi')) 692 # PyCObject 693 # PyCapsule 694 # XXX 695 # rangeiterator 696 check(iter(xrange(1)), size(h + '4l')) 697 # reverse 698 check(reversed(''), size(h + 'PP')) 699 # set 700 # frozenset 701 PySet_MINSIZE = 8 702 samples = [[], range(10), range(50)] 703 s = size(h + '3P2P' + PySet_MINSIZE*'lP' + 'lP') 704 for sample in samples: 705 minused = len(sample) 706 if minused == 0: tmp = 1 707 # the computation of minused is actually a bit more complicated 708 # but this suffices for the sizeof test 709 minused = minused*2 710 newsize = PySet_MINSIZE 711 while newsize <= minused: 712 newsize = newsize << 1 713 if newsize <= 8: 714 check(set(sample), s) 715 check(frozenset(sample), s) 716 else: 717 check(set(sample), s + newsize*struct.calcsize('lP')) 718 check(frozenset(sample), s + newsize*struct.calcsize('lP')) 719 # setiterator 720 check(iter(set()), size(h + 'P3P')) 721 # slice 722 check(slice(1), size(h + '3P')) 723 # str 724 check('', struct.calcsize(vh + 'li') + 1) 725 check('abc', struct.calcsize(vh + 'li') + 1 + 3*self.c) 726 # super 727 check(super(int), size(h + '3P')) 728 # tuple 729 check((), size(vh)) 730 check((1,2,3), size(vh) + 3*self.P) 731 # tupleiterator 732 check(iter(()), size(h + 'lP')) 733 # type 734 # (PyTypeObject + PyNumberMethods + PyMappingMethods + 735 # PySequenceMethods + PyBufferProcs) 736 s = size(vh + 'P2P15Pl4PP9PP11PI') + size('41P 10P 3P 6P') 737 class newstyleclass(object): 738 pass 739 check(newstyleclass, s) 740 # builtin type 741 check(int, s) 742 # NotImplementedType 743 import types 744 check(types.NotImplementedType, s) 745 # unicode 746 usize = len(u'\0'.encode('unicode-internal')) 747 samples = [u'', u'1'*100] 748 # we need to test for both sizes, because we don't know if the string 749 # has been cached 750 for s in samples: 751 check(s, size(h + 'PPlP') + usize * (len(s) + 1)) 752 # weakref 753 import weakref 754 check(weakref.ref(int), size(h + '2Pl2P')) 755 # weakproxy 756 # XXX 757 # weakcallableproxy 758 check(weakref.proxy(int), size(h + '2Pl2P')) 759 # xrange 760 check(xrange(1), size(h + '3l')) 761 check(xrange(66000), size(h + '3l')) 762 763 def test_pythontypes(self): 764 # check all types defined in Python/ 765 h = self.header 766 vh = self.vheader 767 size = self.calcsize 768 check = self.check_sizeof 769 # _ast.AST 770 import _ast 771 check(_ast.AST(), size(h + '')) 772 # imp.NullImporter 773 import imp 774 check(imp.NullImporter(self.file.name), size(h + '')) 775 try: 776 raise TypeError 777 except TypeError: 778 tb = sys.exc_info()[2] 779 # traceback 780 if tb != None: 781 check(tb, size(h + '2P2i')) 782 # symtable entry 783 # XXX 784 # sys.flags 785 check(sys.flags, size(vh) + self.P * len(sys.flags)) 786 787 788 def test_main(): 789 test_classes = (SysModuleTest, SizeofTest) 790 791 test.test_support.run_unittest(*test_classes) 792 793 if __name__ == "__main__": 794 test_main() 795
