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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙimport sys from test import list_tests from test.support import cpython_only import pickle import unittest class ListTest(list_tests.CommonTest): type2test = list def test_basic(self): self.assertEqual(list([]), []) l0_3 = [0, 1, 2, 3] l0_3_bis = list(l0_3) self.assertEqual(l0_3, l0_3_bis) self.assertTrue(l0_3 is not l0_3_bis) self.assertEqual(list(()), []) self.assertEqual(list((0, 1, 2, 3)), [0, 1, 2, 3]) self.assertEqual(list(''), []) self.assertEqual(list('spam'), ['s', 'p', 'a', 'm']) self.assertEqual(list(x for x in range(10) if x % 2), [1, 3, 5, 7, 9]) if sys.maxsize == 0x7fffffff: # This test can currently only work on 32-bit machines. # XXX If/when PySequence_Length() returns a ssize_t, it should be # XXX re-enabled. # Verify clearing of bug #556025. # This assumes that the max data size (sys.maxint) == max # address size this also assumes that the address size is at # least 4 bytes with 8 byte addresses, the bug is not well # tested # # Note: This test is expected to SEGV under Cygwin 1.3.12 or # earlier due to a newlib bug. See the following mailing list # thread for the details: # http://sources.redhat.com/ml/newlib/2002/msg00369.html self.assertRaises(MemoryError, list, range(sys.maxsize // 2)) # This code used to segfault in Py2.4a3 x = [] x.extend(-y for y in x) self.assertEqual(x, []) def test_keyword_args(self): with self.assertRaisesRegex(TypeError, 'keyword argument'): list(sequence=[]) def test_truth(self): super().test_truth() self.assertTrue(not []) self.assertTrue([42]) def test_identity(self): self.assertTrue([] is not []) def test_len(self): super().test_len() self.assertEqual(len([]), 0) self.assertEqual(len([0]), 1) self.assertEqual(len([0, 1, 2]), 3) def test_overflow(self): lst = [4, 5, 6, 7] n = int((sys.maxsize*2+2) // len(lst)) def mul(a, b): return a * b def imul(a, b): a *= b self.assertRaises((MemoryError, OverflowError), mul, lst, n) self.assertRaises((MemoryError, OverflowError), imul, lst, n) def test_list_resize_overflow(self): # gh-97616: test new_allocated * sizeof(PyObject*) overflow # check in list_resize() lst = [0] * 65 del lst[1:] self.assertEqual(len(lst), 1) size = ((2 ** (tuple.__itemsize__ * 8) - 1) // 2) with self.assertRaises((MemoryError, OverflowError)): lst * size with self.assertRaises((MemoryError, OverflowError)): lst *= size def test_repr_large(self): # Check the repr of large list objects def check(n): l = [0] * n s = repr(l) self.assertEqual(s, '[' + ', '.join(['0'] * n) + ']') check(10) # check our checking code check(1000000) def test_iterator_pickle(self): orig = self.type2test([4, 5, 6, 7]) data = [10, 11, 12, 13, 14, 15] for proto in range(pickle.HIGHEST_PROTOCOL + 1): # initial iterator itorig = iter(orig) d = pickle.dumps((itorig, orig), proto) it, a = pickle.loads(d) a[:] = data self.assertEqual(type(it), type(itorig)) self.assertEqual(list(it), data) # running iterator next(itorig) d = pickle.dumps((itorig, orig), proto) it, a = pickle.loads(d) a[:] = data self.assertEqual(type(it), type(itorig)) self.assertEqual(list(it), data[1:]) # empty iterator for i in range(1, len(orig)): next(itorig) d = pickle.dumps((itorig, orig), proto) it, a = pickle.loads(d) a[:] = data self.assertEqual(type(it), type(itorig)) self.assertEqual(list(it), data[len(orig):]) # exhausted iterator self.assertRaises(StopIteration, next, itorig) d = pickle.dumps((itorig, orig), proto) it, a = pickle.loads(d) a[:] = data self.assertEqual(list(it), []) def test_reversed_pickle(self): orig = self.type2test([4, 5, 6, 7]) data = [10, 11, 12, 13, 14, 15] for proto in range(pickle.HIGHEST_PROTOCOL + 1): # initial iterator itorig = reversed(orig) d = pickle.dumps((itorig, orig), proto) it, a = pickle.loads(d) a[:] = data self.assertEqual(type(it), type(itorig)) self.assertEqual(list(it), data[len(orig)-1::-1]) # running iterator next(itorig) d = pickle.dumps((itorig, orig), proto) it, a = pickle.loads(d) a[:] = data self.assertEqual(type(it), type(itorig)) self.assertEqual(list(it), data[len(orig)-2::-1]) # empty iterator for i in range(1, len(orig)): next(itorig) d = pickle.dumps((itorig, orig), proto) it, a = pickle.loads(d) a[:] = data self.assertEqual(type(it), type(itorig)) self.assertEqual(list(it), []) # exhausted iterator self.assertRaises(StopIteration, next, itorig) d = pickle.dumps((itorig, orig), proto) it, a = pickle.loads(d) a[:] = data self.assertEqual(list(it), []) def test_step_overflow(self): a = [0, 1, 2, 3, 4] a[1::sys.maxsize] = [0] self.assertEqual(a[3::sys.maxsize], [3]) def test_no_comdat_folding(self): # Issue 8847: In the PGO build, the MSVC linker's COMDAT folding # optimization causes failures in code that relies on distinct # function addresses. class L(list): pass with self.assertRaises(TypeError): (3,) + L([1,2]) def test_equal_operator_modifying_operand(self): # test fix for seg fault reported in bpo-38588 part 2. class X: def __eq__(self,other) : list2.clear() return NotImplemented class Y: def __eq__(self, other): list1.clear() return NotImplemented class Z: def __eq__(self, other): list3.clear() return NotImplemented list1 = [X()] list2 = [Y()] self.assertTrue(list1 == list2) list3 = [Z()] list4 = [1] self.assertFalse(list3 == list4) @cpython_only def test_preallocation(self): iterable = [0] * 10 iter_size = sys.getsizeof(iterable) self.assertEqual(iter_size, sys.getsizeof(list([0] * 10))) self.assertEqual(iter_size, sys.getsizeof(list(range(10)))) def test_count_index_remove_crashes(self): # bpo-38610: The count(), index(), and remove() methods were not # holding strong references to list elements while calling # PyObject_RichCompareBool(). class X: def __eq__(self, other): lst.clear() return NotImplemented lst = [X()] with self.assertRaises(ValueError): lst.index(lst) class L(list): def __eq__(self, other): str(other) return NotImplemented lst = L([X()]) lst.count(lst) lst = L([X()]) with self.assertRaises(ValueError): lst.remove(lst) # bpo-39453: list.__contains__ was not holding strong references # to list elements while calling PyObject_RichCompareBool(). lst = [X(), X()] 3 in lst lst = [X(), X()] X() in lst if __name__ == "__main__": unittest.main()