385
385
## self.assert_(r[0][2] > 100, r[0][2])
386
386
## self.assert_(r[1][2] > 100, r[1][2])
388
def test_ioencoding(self):
390
env = dict(os.environ)
392
# Test character: cent sign, encoded as 0x4A (ASCII J) in CP424,
393
# not representable in ASCII.
395
env["PYTHONIOENCODING"] = "cp424"
396
p = subprocess.Popen([sys.executable, "-c", 'print unichr(0xa2)'],
397
stdout = subprocess.PIPE, env=env)
398
out = p.stdout.read().strip()
399
self.assertEqual(out, unichr(0xa2).encode("cp424"))
401
env["PYTHONIOENCODING"] = "ascii:replace"
402
p = subprocess.Popen([sys.executable, "-c", 'print unichr(0xa2)'],
403
stdout = subprocess.PIPE, env=env)
404
out = p.stdout.read().strip()
405
self.assertEqual(out, '?')
408
class SizeofTest(unittest.TestCase):
412
self.i = len(struct.pack('i', 0))
413
self.l = len(struct.pack('l', 0))
414
self.p = len(struct.pack('P', 0))
415
self.headersize = self.l + self.p
416
if hasattr(sys, "gettotalrefcount"):
417
self.headersize += 2 * self.p
418
self.file = open(test.test_support.TESTFN, 'wb')
422
test.test_support.unlink(test.test_support.TESTFN)
424
def check_sizeof(self, o, size):
425
result = sys.getsizeof(o)
426
msg = 'wrong size for %s: got %d, expected %d' \
427
% (type(o), result, size)
428
self.assertEqual(result, size, msg)
430
def align(self, value):
433
return value - mod + self.p
437
def test_align(self):
438
self.assertEqual(self.align(0) % self.p, 0)
439
self.assertEqual(self.align(1) % self.p, 0)
440
self.assertEqual(self.align(3) % self.p, 0)
441
self.assertEqual(self.align(4) % self.p, 0)
442
self.assertEqual(self.align(7) % self.p, 0)
443
self.assertEqual(self.align(8) % self.p, 0)
444
self.assertEqual(self.align(9) % self.p, 0)
446
def test_standardtypes(self):
452
self.check_sizeof(True, h + l)
454
self.check_sizeof(buffer(''), h + 2*p + 2*l + self.align(i) +l)
461
self.check_sizeof(get_cell().func_closure[0], h + p)
463
class class_oldstyle():
466
self.check_sizeof(class_oldstyle, h + 6*p)
468
self.check_sizeof(class_oldstyle(), h + 3*p)
470
self.check_sizeof(class_oldstyle().method, h + 4*p)
472
self.check_sizeof(get_cell().func_code, h + self.align(4*i) + 8*p +\
475
self.check_sizeof(complex(0,1), h + 2*8)
477
self.check_sizeof(enumerate([]), h + l + 3*p)
479
self.check_sizeof(reversed(''), h + l + p )
481
self.check_sizeof(self.file, h + 4*p + self.align(2*i) + 4*p +\
482
self.align(3*i) + 3*p + self.align(i))
484
self.check_sizeof(float(0), h + 8)
487
self.check_sizeof(func, h + 9 * l)
496
self.check_sizeof(foo, h + l)
498
self.check_sizeof(bar, h + l)
500
def get_gen(): yield 1
501
self.check_sizeof(get_gen(), h + p + self.align(i) + 2*p)
503
self.check_sizeof(1, h + l)
504
# builtin_function_or_method
505
self.check_sizeof(abs, h + 3*p)
507
self.check_sizeof(unittest, h + p)
509
self.check_sizeof(xrange(1), h + 3*p)
511
self.check_sizeof(slice(0), h + 3*p)
515
class class_newstyle(object):
518
# type (PyTypeObject + PyNumberMethods + PyMappingMethods +
519
# PySequenceMethods + PyBufferProcs)
520
len_typeobject = p + 2*l + 15*p + l + 4*p + l + 9*p + l + 11*p
521
self.check_sizeof(class_newstyle,
522
h + len_typeobject + 42*p + 10*p + 3*p + 6*p)
525
def test_specialtypes(self):
531
self.check_sizeof({}, h + 3*l + 3*p + 8*(l + 2*p))
532
longdict = {1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7, 8:8}
533
self.check_sizeof(longdict, h + 3*l + 3*p + 8*(l + 2*p) + 16*(l + 2*p))
535
self.check_sizeof([], h + l + p + l)
536
self.check_sizeof([1, 2, 3], h + l + p + l + 3*l)
540
self.check_sizeof(0L, h + self.align(2))
541
self.check_sizeof(1L, h + self.align(2))
542
self.check_sizeof(-1L, h + self.align(2))
543
self.check_sizeof(32768L, h + self.align(2) + 2)
544
self.check_sizeof(32768L*32768L-1, h + self.align(2) + 2)
545
self.check_sizeof(32768L*32768L, h + self.align(2) + 4)
547
self.check_sizeof('', h + l + self.align(i + 1))
548
self.check_sizeof('abc', h + l + self.align(i + 1) + 3)
389
test.test_support.run_unittest(SysModuleTest)
552
test_classes = (SysModuleTest, SizeofTest)
554
test.test_support.run_unittest(*test_classes)
391
556
if __name__ == "__main__":