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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 unittest from test.support import bigmemtest, _2G import sys from ctypes import * from ctypes.test import need_symbol formats = "bBhHiIlLqQfd" formats = c_byte, c_ubyte, c_short, c_ushort, c_int, c_uint, \ c_long, c_ulonglong, c_float, c_double, c_longdouble class ArrayTestCase(unittest.TestCase): def test_simple(self): # create classes holding simple numeric types, and check # various properties. init = list(range(15, 25)) for fmt in formats: alen = len(init) int_array = ARRAY(fmt, alen) ia = int_array(*init) # length of instance ok? self.assertEqual(len(ia), alen) # slot values ok? values = [ia[i] for i in range(alen)] self.assertEqual(values, init) # out-of-bounds accesses should be caught with self.assertRaises(IndexError): ia[alen] with self.assertRaises(IndexError): ia[-alen-1] # change the items from operator import setitem new_values = list(range(42, 42+alen)) [setitem(ia, n, new_values[n]) for n in range(alen)] values = [ia[i] for i in range(alen)] self.assertEqual(values, new_values) # are the items initialized to 0? ia = int_array() values = [ia[i] for i in range(alen)] self.assertEqual(values, [0] * alen) # Too many initializers should be caught self.assertRaises(IndexError, int_array, *range(alen*2)) CharArray = ARRAY(c_char, 3) ca = CharArray(b"a", b"b", b"c") # Should this work? It doesn't: # CharArray("abc") self.assertRaises(TypeError, CharArray, "abc") self.assertEqual(ca[0], b"a") self.assertEqual(ca[1], b"b") self.assertEqual(ca[2], b"c") self.assertEqual(ca[-3], b"a") self.assertEqual(ca[-2], b"b") self.assertEqual(ca[-1], b"c") self.assertEqual(len(ca), 3) # cannot delete items from operator import delitem self.assertRaises(TypeError, delitem, ca, 0) def test_step_overflow(self): a = (c_int * 5)() a[3::sys.maxsize] = (1,) self.assertListEqual(a[3::sys.maxsize], [1]) a = (c_char * 5)() a[3::sys.maxsize] = b"A" self.assertEqual(a[3::sys.maxsize], b"A") a = (c_wchar * 5)() a[3::sys.maxsize] = u"X" self.assertEqual(a[3::sys.maxsize], u"X") def test_numeric_arrays(self): alen = 5 numarray = ARRAY(c_int, alen) na = numarray() values = [na[i] for i in range(alen)] self.assertEqual(values, [0] * alen) na = numarray(*[c_int()] * alen) values = [na[i] for i in range(alen)] self.assertEqual(values, [0]*alen) na = numarray(1, 2, 3, 4, 5) values = [i for i in na] self.assertEqual(values, [1, 2, 3, 4, 5]) na = numarray(*map(c_int, (1, 2, 3, 4, 5))) values = [i for i in na] self.assertEqual(values, [1, 2, 3, 4, 5]) def test_classcache(self): self.assertIsNot(ARRAY(c_int, 3), ARRAY(c_int, 4)) self.assertIs(ARRAY(c_int, 3), ARRAY(c_int, 3)) def test_from_address(self): # Failed with 0.9.8, reported by JUrner p = create_string_buffer(b"foo") sz = (c_char * 3).from_address(addressof(p)) self.assertEqual(sz[:], b"foo") self.assertEqual(sz[::], b"foo") self.assertEqual(sz[::-1], b"oof") self.assertEqual(sz[::3], b"f") self.assertEqual(sz[1:4:2], b"o") self.assertEqual(sz.value, b"foo") @need_symbol('create_unicode_buffer') def test_from_addressW(self): p = create_unicode_buffer("foo") sz = (c_wchar * 3).from_address(addressof(p)) self.assertEqual(sz[:], "foo") self.assertEqual(sz[::], "foo") self.assertEqual(sz[::-1], "oof") self.assertEqual(sz[::3], "f") self.assertEqual(sz[1:4:2], "o") self.assertEqual(sz.value, "foo") def test_cache(self): # Array types are cached internally in the _ctypes extension, # in a WeakValueDictionary. Make sure the array type is # removed from the cache when the itemtype goes away. This # test will not fail, but will show a leak in the testsuite. # Create a new type: class my_int(c_int): pass # Create a new array type based on it: t1 = my_int * 1 t2 = my_int * 1 self.assertIs(t1, t2) def test_subclass(self): class T(Array): _type_ = c_int _length_ = 13 class U(T): pass class V(U): pass class W(V): pass class X(T): _type_ = c_short class Y(T): _length_ = 187 for c in [T, U, V, W]: self.assertEqual(c._type_, c_int) self.assertEqual(c._length_, 13) self.assertEqual(c()._type_, c_int) self.assertEqual(c()._length_, 13) self.assertEqual(X._type_, c_short) self.assertEqual(X._length_, 13) self.assertEqual(X()._type_, c_short) self.assertEqual(X()._length_, 13) self.assertEqual(Y._type_, c_int) self.assertEqual(Y._length_, 187) self.assertEqual(Y()._type_, c_int) self.assertEqual(Y()._length_, 187) def test_bad_subclass(self): with self.assertRaises(AttributeError): class T(Array): pass with self.assertRaises(AttributeError): class T(Array): _type_ = c_int with self.assertRaises(AttributeError): class T(Array): _length_ = 13 def test_bad_length(self): with self.assertRaises(ValueError): class T(Array): _type_ = c_int _length_ = - sys.maxsize * 2 with self.assertRaises(ValueError): class T(Array): _type_ = c_int _length_ = -1 with self.assertRaises(TypeError): class T(Array): _type_ = c_int _length_ = 1.87 with self.assertRaises(OverflowError): class T(Array): _type_ = c_int _length_ = sys.maxsize * 2 def test_zero_length(self): # _length_ can be zero. class T(Array): _type_ = c_int _length_ = 0 def test_empty_element_struct(self): class EmptyStruct(Structure): _fields_ = [] obj = (EmptyStruct * 2)() # bpo37188: Floating point exception self.assertEqual(sizeof(obj), 0) def test_empty_element_array(self): class EmptyArray(Array): _type_ = c_int _length_ = 0 obj = (EmptyArray * 2)() # bpo37188: Floating point exception self.assertEqual(sizeof(obj), 0) def test_bpo36504_signed_int_overflow(self): # The overflow check in PyCArrayType_new() could cause signed integer # overflow. with self.assertRaises(OverflowError): c_char * sys.maxsize * 2 @unittest.skipUnless(sys.maxsize > 2**32, 'requires 64bit platform') @bigmemtest(size=_2G, memuse=1, dry_run=False) def test_large_array(self, size): c_char * size if __name__ == '__main__': unittest.main()