Roger E. Masse | 8db1b07 | 1996-12-09 20:09:16 +0000 | [diff] [blame] | 1 | """Test the arraymodule. |
Roger E. Masse | fab8ab8 | 1996-12-20 22:36:52 +0000 | [diff] [blame] | 2 | Roger E. Masse |
Roger E. Masse | 8db1b07 | 1996-12-09 20:09:16 +0000 | [diff] [blame] | 3 | """ |
Roger E. Masse | fab8ab8 | 1996-12-20 22:36:52 +0000 | [diff] [blame] | 4 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 5 | import unittest |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 6 | from test import support |
sth | aa3ecb8 | 2019-03-20 20:49:39 +0100 | [diff] [blame] | 7 | from test.support import _2G |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 8 | import weakref |
| 9 | import pickle |
Antoine Pitrou | 3ad3a0d | 2008-12-18 17:08:32 +0000 | [diff] [blame] | 10 | import operator |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 11 | import struct |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 12 | import sys |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 13 | import warnings |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 14 | |
| 15 | import array |
| 16 | from array import _array_reconstructor as array_reconstructor |
| 17 | |
Victor Stinner | 29c0034 | 2013-03-08 02:33:06 +0100 | [diff] [blame] | 18 | sizeof_wchar = array.array('u').itemsize |
Victor Stinner | c472c5d | 2013-02-26 22:52:11 +0100 | [diff] [blame] | 19 | |
| 20 | |
Raymond Hettinger | b0900e6 | 2004-12-16 16:23:40 +0000 | [diff] [blame] | 21 | class ArraySubclass(array.array): |
| 22 | pass |
Guido van Rossum | c9f8f14 | 1997-04-09 20:51:54 +0000 | [diff] [blame] | 23 | |
Thomas Wouters | b213704 | 2007-02-01 18:02:27 +0000 | [diff] [blame] | 24 | class ArraySubclassWithKwargs(array.array): |
| 25 | def __init__(self, typecode, newarg=None): |
Victor Stinner | 7a6a009 | 2011-01-04 00:04:44 +0000 | [diff] [blame] | 26 | array.array.__init__(self) |
Thomas Wouters | b213704 | 2007-02-01 18:02:27 +0000 | [diff] [blame] | 27 | |
orenmn | 964281a | 2017-03-09 11:35:28 +0200 | [diff] [blame] | 28 | typecodes = 'ubBhHiIlLfdqQ' |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 29 | |
Martin Panter | be8da9c | 2016-09-07 11:04:41 +0000 | [diff] [blame] | 30 | class MiscTest(unittest.TestCase): |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 31 | |
Martin Panter | be8da9c | 2016-09-07 11:04:41 +0000 | [diff] [blame] | 32 | def test_bad_constructor(self): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 33 | self.assertRaises(TypeError, array.array) |
| 34 | self.assertRaises(TypeError, array.array, spam=42) |
| 35 | self.assertRaises(TypeError, array.array, 'xx') |
| 36 | self.assertRaises(ValueError, array.array, 'x') |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 37 | |
Martin Panter | be8da9c | 2016-09-07 11:04:41 +0000 | [diff] [blame] | 38 | def test_empty(self): |
| 39 | # Exercise code for handling zero-length arrays |
| 40 | a = array.array('B') |
| 41 | a[:] = a |
| 42 | self.assertEqual(len(a), 0) |
| 43 | self.assertEqual(len(a + a), 0) |
| 44 | self.assertEqual(len(a * 3), 0) |
| 45 | a += a |
| 46 | self.assertEqual(len(a), 0) |
| 47 | |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 48 | |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 49 | # Machine format codes. |
| 50 | # |
| 51 | # Search for "enum machine_format_code" in Modules/arraymodule.c to get the |
| 52 | # authoritative values. |
| 53 | UNKNOWN_FORMAT = -1 |
| 54 | UNSIGNED_INT8 = 0 |
| 55 | SIGNED_INT8 = 1 |
| 56 | UNSIGNED_INT16_LE = 2 |
| 57 | UNSIGNED_INT16_BE = 3 |
| 58 | SIGNED_INT16_LE = 4 |
| 59 | SIGNED_INT16_BE = 5 |
| 60 | UNSIGNED_INT32_LE = 6 |
| 61 | UNSIGNED_INT32_BE = 7 |
| 62 | SIGNED_INT32_LE = 8 |
| 63 | SIGNED_INT32_BE = 9 |
| 64 | UNSIGNED_INT64_LE = 10 |
| 65 | UNSIGNED_INT64_BE = 11 |
| 66 | SIGNED_INT64_LE = 12 |
| 67 | SIGNED_INT64_BE = 13 |
| 68 | IEEE_754_FLOAT_LE = 14 |
| 69 | IEEE_754_FLOAT_BE = 15 |
| 70 | IEEE_754_DOUBLE_LE = 16 |
| 71 | IEEE_754_DOUBLE_BE = 17 |
| 72 | UTF16_LE = 18 |
| 73 | UTF16_BE = 19 |
| 74 | UTF32_LE = 20 |
| 75 | UTF32_BE = 21 |
| 76 | |
| 77 | class ArrayReconstructorTest(unittest.TestCase): |
| 78 | |
| 79 | def test_error(self): |
| 80 | self.assertRaises(TypeError, array_reconstructor, |
| 81 | "", "b", 0, b"") |
| 82 | self.assertRaises(TypeError, array_reconstructor, |
| 83 | str, "b", 0, b"") |
| 84 | self.assertRaises(TypeError, array_reconstructor, |
| 85 | array.array, "b", '', b"") |
| 86 | self.assertRaises(TypeError, array_reconstructor, |
| 87 | array.array, "b", 0, "") |
| 88 | self.assertRaises(ValueError, array_reconstructor, |
| 89 | array.array, "?", 0, b"") |
| 90 | self.assertRaises(ValueError, array_reconstructor, |
| 91 | array.array, "b", UNKNOWN_FORMAT, b"") |
| 92 | self.assertRaises(ValueError, array_reconstructor, |
| 93 | array.array, "b", 22, b"") |
| 94 | self.assertRaises(ValueError, array_reconstructor, |
| 95 | array.array, "d", 16, b"a") |
| 96 | |
| 97 | def test_numbers(self): |
| 98 | testcases = ( |
| 99 | (['B', 'H', 'I', 'L'], UNSIGNED_INT8, '=BBBB', |
| 100 | [0x80, 0x7f, 0, 0xff]), |
| 101 | (['b', 'h', 'i', 'l'], SIGNED_INT8, '=bbb', |
| 102 | [-0x80, 0x7f, 0]), |
| 103 | (['H', 'I', 'L'], UNSIGNED_INT16_LE, '<HHHH', |
| 104 | [0x8000, 0x7fff, 0, 0xffff]), |
| 105 | (['H', 'I', 'L'], UNSIGNED_INT16_BE, '>HHHH', |
| 106 | [0x8000, 0x7fff, 0, 0xffff]), |
| 107 | (['h', 'i', 'l'], SIGNED_INT16_LE, '<hhh', |
| 108 | [-0x8000, 0x7fff, 0]), |
| 109 | (['h', 'i', 'l'], SIGNED_INT16_BE, '>hhh', |
| 110 | [-0x8000, 0x7fff, 0]), |
| 111 | (['I', 'L'], UNSIGNED_INT32_LE, '<IIII', |
| 112 | [1<<31, (1<<31)-1, 0, (1<<32)-1]), |
| 113 | (['I', 'L'], UNSIGNED_INT32_BE, '>IIII', |
| 114 | [1<<31, (1<<31)-1, 0, (1<<32)-1]), |
| 115 | (['i', 'l'], SIGNED_INT32_LE, '<iii', |
| 116 | [-1<<31, (1<<31)-1, 0]), |
| 117 | (['i', 'l'], SIGNED_INT32_BE, '>iii', |
| 118 | [-1<<31, (1<<31)-1, 0]), |
| 119 | (['L'], UNSIGNED_INT64_LE, '<QQQQ', |
Alexandre Vassalotti | 0027d4b | 2009-07-15 20:53:55 +0000 | [diff] [blame] | 120 | [1<<31, (1<<31)-1, 0, (1<<32)-1]), |
| 121 | (['L'], UNSIGNED_INT64_BE, '>QQQQ', |
| 122 | [1<<31, (1<<31)-1, 0, (1<<32)-1]), |
| 123 | (['l'], SIGNED_INT64_LE, '<qqq', |
| 124 | [-1<<31, (1<<31)-1, 0]), |
| 125 | (['l'], SIGNED_INT64_BE, '>qqq', |
| 126 | [-1<<31, (1<<31)-1, 0]), |
| 127 | # The following tests for INT64 will raise an OverflowError |
| 128 | # when run on a 32-bit machine. The tests are simply skipped |
| 129 | # in that case. |
| 130 | (['L'], UNSIGNED_INT64_LE, '<QQQQ', |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 131 | [1<<63, (1<<63)-1, 0, (1<<64)-1]), |
| 132 | (['L'], UNSIGNED_INT64_BE, '>QQQQ', |
| 133 | [1<<63, (1<<63)-1, 0, (1<<64)-1]), |
| 134 | (['l'], SIGNED_INT64_LE, '<qqq', |
| 135 | [-1<<63, (1<<63)-1, 0]), |
| 136 | (['l'], SIGNED_INT64_BE, '>qqq', |
| 137 | [-1<<63, (1<<63)-1, 0]), |
| 138 | (['f'], IEEE_754_FLOAT_LE, '<ffff', |
| 139 | [16711938.0, float('inf'), float('-inf'), -0.0]), |
| 140 | (['f'], IEEE_754_FLOAT_BE, '>ffff', |
| 141 | [16711938.0, float('inf'), float('-inf'), -0.0]), |
| 142 | (['d'], IEEE_754_DOUBLE_LE, '<dddd', |
| 143 | [9006104071832581.0, float('inf'), float('-inf'), -0.0]), |
| 144 | (['d'], IEEE_754_DOUBLE_BE, '>dddd', |
| 145 | [9006104071832581.0, float('inf'), float('-inf'), -0.0]) |
| 146 | ) |
| 147 | for testcase in testcases: |
| 148 | valid_typecodes, mformat_code, struct_fmt, values = testcase |
| 149 | arraystr = struct.pack(struct_fmt, *values) |
| 150 | for typecode in valid_typecodes: |
Alexandre Vassalotti | 0027d4b | 2009-07-15 20:53:55 +0000 | [diff] [blame] | 151 | try: |
| 152 | a = array.array(typecode, values) |
| 153 | except OverflowError: |
| 154 | continue # Skip this test case. |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 155 | b = array_reconstructor( |
| 156 | array.array, typecode, mformat_code, arraystr) |
| 157 | self.assertEqual(a, b, |
| 158 | msg="{0!r} != {1!r}; testcase={2!r}".format(a, b, testcase)) |
| 159 | |
| 160 | def test_unicode(self): |
| 161 | teststr = "Bonne Journ\xe9e \U0002030a\U00020347" |
| 162 | testcases = ( |
| 163 | (UTF16_LE, "UTF-16-LE"), |
| 164 | (UTF16_BE, "UTF-16-BE"), |
| 165 | (UTF32_LE, "UTF-32-LE"), |
| 166 | (UTF32_BE, "UTF-32-BE") |
| 167 | ) |
| 168 | for testcase in testcases: |
| 169 | mformat_code, encoding = testcase |
| 170 | a = array.array('u', teststr) |
| 171 | b = array_reconstructor( |
| 172 | array.array, 'u', mformat_code, teststr.encode(encoding)) |
| 173 | self.assertEqual(a, b, |
| 174 | msg="{0!r} != {1!r}; testcase={2!r}".format(a, b, testcase)) |
| 175 | |
| 176 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 177 | class BaseTest: |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 178 | # Required class attributes (provided by subclasses |
| 179 | # typecode: the typecode to test |
| 180 | # example: an initializer usable in the constructor for this type |
| 181 | # smallerexample: the same length as example, but smaller |
| 182 | # biggerexample: the same length as example, but bigger |
| 183 | # outside: An entry that is not in example |
| 184 | # minitemsize: the minimum guaranteed itemsize |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 185 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 186 | def assertEntryEqual(self, entry1, entry2): |
| 187 | self.assertEqual(entry1, entry2) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 188 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 189 | def badtypecode(self): |
| 190 | # Return a typecode that is different from our own |
| 191 | return typecodes[(typecodes.index(self.typecode)+1) % len(typecodes)] |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 192 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 193 | def test_constructor(self): |
| 194 | a = array.array(self.typecode) |
| 195 | self.assertEqual(a.typecode, self.typecode) |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 196 | self.assertGreaterEqual(a.itemsize, self.minitemsize) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 197 | self.assertRaises(TypeError, array.array, self.typecode, None) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 198 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 199 | def test_len(self): |
| 200 | a = array.array(self.typecode) |
| 201 | a.append(self.example[0]) |
| 202 | self.assertEqual(len(a), 1) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 203 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 204 | a = array.array(self.typecode, self.example) |
| 205 | self.assertEqual(len(a), len(self.example)) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 206 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 207 | def test_buffer_info(self): |
| 208 | a = array.array(self.typecode, self.example) |
| 209 | self.assertRaises(TypeError, a.buffer_info, 42) |
| 210 | bi = a.buffer_info() |
Ezio Melotti | e961593 | 2010-01-24 19:26:24 +0000 | [diff] [blame] | 211 | self.assertIsInstance(bi, tuple) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 212 | self.assertEqual(len(bi), 2) |
Ezio Melotti | e961593 | 2010-01-24 19:26:24 +0000 | [diff] [blame] | 213 | self.assertIsInstance(bi[0], int) |
| 214 | self.assertIsInstance(bi[1], int) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 215 | self.assertEqual(bi[1], len(a)) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 216 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 217 | def test_byteswap(self): |
Victor Stinner | 8dba4e0 | 2011-09-30 00:51:10 +0200 | [diff] [blame] | 218 | if self.typecode == 'u': |
| 219 | example = '\U00100100' |
| 220 | else: |
| 221 | example = self.example |
| 222 | a = array.array(self.typecode, example) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 223 | self.assertRaises(TypeError, a.byteswap, 42) |
| 224 | if a.itemsize in (1, 2, 4, 8): |
Victor Stinner | 8dba4e0 | 2011-09-30 00:51:10 +0200 | [diff] [blame] | 225 | b = array.array(self.typecode, example) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 226 | b.byteswap() |
| 227 | if a.itemsize==1: |
| 228 | self.assertEqual(a, b) |
| 229 | else: |
| 230 | self.assertNotEqual(a, b) |
| 231 | b.byteswap() |
| 232 | self.assertEqual(a, b) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 233 | |
Raymond Hettinger | 3aa82c0 | 2004-03-13 18:18:51 +0000 | [diff] [blame] | 234 | def test_copy(self): |
| 235 | import copy |
| 236 | a = array.array(self.typecode, self.example) |
| 237 | b = copy.copy(a) |
| 238 | self.assertNotEqual(id(a), id(b)) |
| 239 | self.assertEqual(a, b) |
| 240 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 241 | def test_deepcopy(self): |
| 242 | import copy |
| 243 | a = array.array(self.typecode, self.example) |
| 244 | b = copy.deepcopy(a) |
| 245 | self.assertNotEqual(id(a), id(b)) |
| 246 | self.assertEqual(a, b) |
| 247 | |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 248 | def test_reduce_ex(self): |
| 249 | a = array.array(self.typecode, self.example) |
| 250 | for protocol in range(3): |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 251 | self.assertIs(a.__reduce_ex__(protocol)[0], array.array) |
Zackery Spytz | d1cbc6f | 2018-11-26 22:40:49 -0700 | [diff] [blame] | 252 | for protocol in range(3, pickle.HIGHEST_PROTOCOL + 1): |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 253 | self.assertIs(a.__reduce_ex__(protocol)[0], array_reconstructor) |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 254 | |
Raymond Hettinger | b0900e6 | 2004-12-16 16:23:40 +0000 | [diff] [blame] | 255 | def test_pickle(self): |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 256 | for protocol in range(pickle.HIGHEST_PROTOCOL + 1): |
Raymond Hettinger | b0900e6 | 2004-12-16 16:23:40 +0000 | [diff] [blame] | 257 | a = array.array(self.typecode, self.example) |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 258 | b = pickle.loads(pickle.dumps(a, protocol)) |
Raymond Hettinger | b0900e6 | 2004-12-16 16:23:40 +0000 | [diff] [blame] | 259 | self.assertNotEqual(id(a), id(b)) |
| 260 | self.assertEqual(a, b) |
| 261 | |
| 262 | a = ArraySubclass(self.typecode, self.example) |
| 263 | a.x = 10 |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 264 | b = pickle.loads(pickle.dumps(a, protocol)) |
Raymond Hettinger | b0900e6 | 2004-12-16 16:23:40 +0000 | [diff] [blame] | 265 | self.assertNotEqual(id(a), id(b)) |
| 266 | self.assertEqual(a, b) |
| 267 | self.assertEqual(a.x, b.x) |
| 268 | self.assertEqual(type(a), type(b)) |
| 269 | |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 270 | def test_pickle_for_empty_array(self): |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 271 | for protocol in range(pickle.HIGHEST_PROTOCOL + 1): |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 272 | a = array.array(self.typecode) |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 273 | b = pickle.loads(pickle.dumps(a, protocol)) |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 274 | self.assertNotEqual(id(a), id(b)) |
| 275 | self.assertEqual(a, b) |
| 276 | |
| 277 | a = ArraySubclass(self.typecode) |
| 278 | a.x = 10 |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 279 | b = pickle.loads(pickle.dumps(a, protocol)) |
Guido van Rossum | d8faa36 | 2007-04-27 19:54:29 +0000 | [diff] [blame] | 280 | self.assertNotEqual(id(a), id(b)) |
| 281 | self.assertEqual(a, b) |
| 282 | self.assertEqual(a.x, b.x) |
| 283 | self.assertEqual(type(a), type(b)) |
| 284 | |
Kristján Valur Jónsson | 31668b8 | 2012-04-03 10:49:41 +0000 | [diff] [blame] | 285 | def test_iterator_pickle(self): |
Serhiy Storchaka | aabafe7 | 2016-03-06 14:10:24 +0200 | [diff] [blame] | 286 | orig = array.array(self.typecode, self.example) |
| 287 | data = list(orig) |
| 288 | data2 = data[::-1] |
Serhiy Storchaka | bad1257 | 2014-12-15 14:03:42 +0200 | [diff] [blame] | 289 | for proto in range(pickle.HIGHEST_PROTOCOL + 1): |
Serhiy Storchaka | aabafe7 | 2016-03-06 14:10:24 +0200 | [diff] [blame] | 290 | # initial iterator |
| 291 | itorig = iter(orig) |
| 292 | d = pickle.dumps((itorig, orig), proto) |
| 293 | it, a = pickle.loads(d) |
| 294 | a.fromlist(data2) |
| 295 | self.assertEqual(type(it), type(itorig)) |
| 296 | self.assertEqual(list(it), data + data2) |
Serhiy Storchaka | bad1257 | 2014-12-15 14:03:42 +0200 | [diff] [blame] | 297 | |
Serhiy Storchaka | aabafe7 | 2016-03-06 14:10:24 +0200 | [diff] [blame] | 298 | # running iterator |
| 299 | next(itorig) |
| 300 | d = pickle.dumps((itorig, orig), proto) |
| 301 | it, a = pickle.loads(d) |
| 302 | a.fromlist(data2) |
| 303 | self.assertEqual(type(it), type(itorig)) |
| 304 | self.assertEqual(list(it), data[1:] + data2) |
| 305 | |
| 306 | # empty iterator |
| 307 | for i in range(1, len(data)): |
| 308 | next(itorig) |
| 309 | d = pickle.dumps((itorig, orig), proto) |
| 310 | it, a = pickle.loads(d) |
| 311 | a.fromlist(data2) |
| 312 | self.assertEqual(type(it), type(itorig)) |
| 313 | self.assertEqual(list(it), data2) |
| 314 | |
| 315 | # exhausted iterator |
| 316 | self.assertRaises(StopIteration, next, itorig) |
| 317 | d = pickle.dumps((itorig, orig), proto) |
| 318 | it, a = pickle.loads(d) |
| 319 | a.fromlist(data2) |
Serhiy Storchaka | ab0d198 | 2016-03-30 21:11:16 +0300 | [diff] [blame] | 320 | self.assertEqual(list(it), []) |
| 321 | |
| 322 | def test_exhausted_iterator(self): |
| 323 | a = array.array(self.typecode, self.example) |
| 324 | self.assertEqual(list(a), list(self.example)) |
| 325 | exhit = iter(a) |
| 326 | empit = iter(a) |
| 327 | for x in exhit: # exhaust the iterator |
| 328 | next(empit) # not exhausted |
| 329 | a.append(self.outside) |
| 330 | self.assertEqual(list(exhit), []) |
| 331 | self.assertEqual(list(empit), [self.outside]) |
| 332 | self.assertEqual(list(a), list(self.example) + [self.outside]) |
Kristján Valur Jónsson | 31668b8 | 2012-04-03 10:49:41 +0000 | [diff] [blame] | 333 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 334 | def test_insert(self): |
| 335 | a = array.array(self.typecode, self.example) |
| 336 | a.insert(0, self.example[0]) |
| 337 | self.assertEqual(len(a), 1+len(self.example)) |
| 338 | self.assertEqual(a[0], a[1]) |
| 339 | self.assertRaises(TypeError, a.insert) |
| 340 | self.assertRaises(TypeError, a.insert, None) |
Walter Dörwald | ba39d9c | 2003-05-18 01:56:25 +0000 | [diff] [blame] | 341 | self.assertRaises(TypeError, a.insert, 0, None) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 342 | |
Walter Dörwald | 9e46abe | 2003-05-18 03:15:10 +0000 | [diff] [blame] | 343 | a = array.array(self.typecode, self.example) |
| 344 | a.insert(-1, self.example[0]) |
| 345 | self.assertEqual( |
| 346 | a, |
| 347 | array.array( |
| 348 | self.typecode, |
| 349 | self.example[:-1] + self.example[:1] + self.example[-1:] |
| 350 | ) |
| 351 | ) |
| 352 | |
| 353 | a = array.array(self.typecode, self.example) |
| 354 | a.insert(-1000, self.example[0]) |
| 355 | self.assertEqual( |
| 356 | a, |
| 357 | array.array(self.typecode, self.example[:1] + self.example) |
| 358 | ) |
| 359 | |
| 360 | a = array.array(self.typecode, self.example) |
| 361 | a.insert(1000, self.example[0]) |
| 362 | self.assertEqual( |
| 363 | a, |
| 364 | array.array(self.typecode, self.example + self.example[:1]) |
| 365 | ) |
| 366 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 367 | def test_tofromfile(self): |
| 368 | a = array.array(self.typecode, 2*self.example) |
| 369 | self.assertRaises(TypeError, a.tofile) |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 370 | support.unlink(support.TESTFN) |
| 371 | f = open(support.TESTFN, 'wb') |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 372 | try: |
| 373 | a.tofile(f) |
| 374 | f.close() |
| 375 | b = array.array(self.typecode) |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 376 | f = open(support.TESTFN, 'rb') |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 377 | self.assertRaises(TypeError, b.fromfile) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 378 | b.fromfile(f, len(self.example)) |
| 379 | self.assertEqual(b, array.array(self.typecode, self.example)) |
| 380 | self.assertNotEqual(a, b) |
Hirokazu Yamamoto | 54d0df6 | 2009-03-06 03:04:07 +0000 | [diff] [blame] | 381 | self.assertRaises(EOFError, b.fromfile, f, len(self.example)+1) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 382 | self.assertEqual(a, b) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 383 | f.close() |
| 384 | finally: |
| 385 | if not f.closed: |
| 386 | f.close() |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 387 | support.unlink(support.TESTFN) |
Roger E. Masse | 8db1b07 | 1996-12-09 20:09:16 +0000 | [diff] [blame] | 388 | |
Antoine Pitrou | 8cb6dbf | 2010-07-21 16:41:31 +0000 | [diff] [blame] | 389 | def test_fromfile_ioerror(self): |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 390 | # Issue #5395: Check if fromfile raises a proper OSError |
Antoine Pitrou | 8cb6dbf | 2010-07-21 16:41:31 +0000 | [diff] [blame] | 391 | # instead of EOFError. |
| 392 | a = array.array(self.typecode) |
| 393 | f = open(support.TESTFN, 'wb') |
| 394 | try: |
Andrew Svetlov | f7a17b4 | 2012-12-25 16:47:37 +0200 | [diff] [blame] | 395 | self.assertRaises(OSError, a.fromfile, f, len(self.example)) |
Antoine Pitrou | 8cb6dbf | 2010-07-21 16:41:31 +0000 | [diff] [blame] | 396 | finally: |
| 397 | f.close() |
| 398 | support.unlink(support.TESTFN) |
| 399 | |
Frank Wierzbicki | 1768343 | 2009-08-16 20:30:12 +0000 | [diff] [blame] | 400 | def test_filewrite(self): |
| 401 | a = array.array(self.typecode, 2*self.example) |
| 402 | f = open(support.TESTFN, 'wb') |
| 403 | try: |
| 404 | f.write(a) |
| 405 | f.close() |
| 406 | b = array.array(self.typecode) |
| 407 | f = open(support.TESTFN, 'rb') |
| 408 | b.fromfile(f, len(self.example)) |
| 409 | self.assertEqual(b, array.array(self.typecode, self.example)) |
| 410 | self.assertNotEqual(a, b) |
| 411 | b.fromfile(f, len(self.example)) |
| 412 | self.assertEqual(a, b) |
| 413 | f.close() |
| 414 | finally: |
| 415 | if not f.closed: |
| 416 | f.close() |
| 417 | support.unlink(support.TESTFN) |
| 418 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 419 | def test_tofromlist(self): |
| 420 | a = array.array(self.typecode, 2*self.example) |
| 421 | b = array.array(self.typecode) |
| 422 | self.assertRaises(TypeError, a.tolist, 42) |
| 423 | self.assertRaises(TypeError, b.fromlist) |
| 424 | self.assertRaises(TypeError, b.fromlist, 42) |
| 425 | self.assertRaises(TypeError, b.fromlist, [None]) |
| 426 | b.fromlist(a.tolist()) |
| 427 | self.assertEqual(a, b) |
Fred Drake | 7833447 | 2000-06-28 17:50:51 +0000 | [diff] [blame] | 428 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 429 | def test_tofromstring(self): |
Brett Cannon | 1eb32c2 | 2014-10-10 16:26:45 -0400 | [diff] [blame] | 430 | # Warnings not raised when arguments are incorrect as Argument Clinic |
| 431 | # handles that before the warning can be raised. |
| 432 | nb_warnings = 2 |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 433 | with warnings.catch_warnings(record=True) as r: |
| 434 | warnings.filterwarnings("always", |
| 435 | message=r"(to|from)string\(\) is deprecated", |
| 436 | category=DeprecationWarning) |
| 437 | a = array.array(self.typecode, 2*self.example) |
| 438 | b = array.array(self.typecode) |
| 439 | self.assertRaises(TypeError, a.tostring, 42) |
| 440 | self.assertRaises(TypeError, b.fromstring) |
| 441 | self.assertRaises(TypeError, b.fromstring, 42) |
| 442 | b.fromstring(a.tostring()) |
| 443 | self.assertEqual(a, b) |
| 444 | if a.itemsize>1: |
| 445 | self.assertRaises(ValueError, b.fromstring, "x") |
| 446 | nb_warnings += 1 |
| 447 | self.assertEqual(len(r), nb_warnings) |
| 448 | |
| 449 | def test_tofrombytes(self): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 450 | a = array.array(self.typecode, 2*self.example) |
| 451 | b = array.array(self.typecode) |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 452 | self.assertRaises(TypeError, a.tobytes, 42) |
| 453 | self.assertRaises(TypeError, b.frombytes) |
| 454 | self.assertRaises(TypeError, b.frombytes, 42) |
| 455 | b.frombytes(a.tobytes()) |
| 456 | c = array.array(self.typecode, bytearray(a.tobytes())) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 457 | self.assertEqual(a, b) |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 458 | self.assertEqual(a, c) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 459 | if a.itemsize>1: |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 460 | self.assertRaises(ValueError, b.frombytes, b"x") |
Fred Drake | 7833447 | 2000-06-28 17:50:51 +0000 | [diff] [blame] | 461 | |
Alexander Belopolsky | ef4a03f | 2011-01-11 21:44:00 +0000 | [diff] [blame] | 462 | def test_fromarray(self): |
| 463 | a = array.array(self.typecode, self.example) |
| 464 | b = array.array(self.typecode, a) |
| 465 | self.assertEqual(a, b) |
| 466 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 467 | def test_repr(self): |
| 468 | a = array.array(self.typecode, 2*self.example) |
| 469 | self.assertEqual(a, eval(repr(a), {"array": array.array})) |
Fred Drake | 7833447 | 2000-06-28 17:50:51 +0000 | [diff] [blame] | 470 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 471 | a = array.array(self.typecode) |
| 472 | self.assertEqual(repr(a), "array('%s')" % self.typecode) |
Roger E. Masse | 8db1b07 | 1996-12-09 20:09:16 +0000 | [diff] [blame] | 473 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 474 | def test_str(self): |
| 475 | a = array.array(self.typecode, 2*self.example) |
| 476 | str(a) |
Roger E. Masse | 8db1b07 | 1996-12-09 20:09:16 +0000 | [diff] [blame] | 477 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 478 | def test_cmp(self): |
| 479 | a = array.array(self.typecode, self.example) |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 480 | self.assertIs(a == 42, False) |
| 481 | self.assertIs(a != 42, True) |
Tim Peters | cc78e47 | 2000-11-14 21:36:07 +0000 | [diff] [blame] | 482 | |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 483 | self.assertIs(a == a, True) |
| 484 | self.assertIs(a != a, False) |
| 485 | self.assertIs(a < a, False) |
| 486 | self.assertIs(a <= a, True) |
| 487 | self.assertIs(a > a, False) |
| 488 | self.assertIs(a >= a, True) |
Tim Peters | cc78e47 | 2000-11-14 21:36:07 +0000 | [diff] [blame] | 489 | |
Neal Norwitz | bd2835c | 2006-03-17 08:54:15 +0000 | [diff] [blame] | 490 | al = array.array(self.typecode, self.smallerexample) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 491 | ab = array.array(self.typecode, self.biggerexample) |
Guido van Rossum | 7f1d3aa | 1998-07-16 15:31:43 +0000 | [diff] [blame] | 492 | |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 493 | self.assertIs(a == 2*a, False) |
| 494 | self.assertIs(a != 2*a, True) |
| 495 | self.assertIs(a < 2*a, True) |
| 496 | self.assertIs(a <= 2*a, True) |
| 497 | self.assertIs(a > 2*a, False) |
| 498 | self.assertIs(a >= 2*a, False) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 499 | |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 500 | self.assertIs(a == al, False) |
| 501 | self.assertIs(a != al, True) |
| 502 | self.assertIs(a < al, False) |
| 503 | self.assertIs(a <= al, False) |
| 504 | self.assertIs(a > al, True) |
| 505 | self.assertIs(a >= al, True) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 506 | |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 507 | self.assertIs(a == ab, False) |
| 508 | self.assertIs(a != ab, True) |
| 509 | self.assertIs(a < ab, True) |
| 510 | self.assertIs(a <= ab, True) |
| 511 | self.assertIs(a > ab, False) |
| 512 | self.assertIs(a >= ab, False) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 513 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 514 | def test_add(self): |
| 515 | a = array.array(self.typecode, self.example) \ |
| 516 | + array.array(self.typecode, self.example[::-1]) |
| 517 | self.assertEqual( |
| 518 | a, |
| 519 | array.array(self.typecode, self.example + self.example[::-1]) |
| 520 | ) |
Martin v. Löwis | 9986633 | 2002-03-01 10:27:01 +0000 | [diff] [blame] | 521 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 522 | b = array.array(self.badtypecode()) |
| 523 | self.assertRaises(TypeError, a.__add__, b) |
| 524 | |
| 525 | self.assertRaises(TypeError, a.__add__, "bad") |
| 526 | |
| 527 | def test_iadd(self): |
| 528 | a = array.array(self.typecode, self.example[::-1]) |
| 529 | b = a |
| 530 | a += array.array(self.typecode, 2*self.example) |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 531 | self.assertIs(a, b) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 532 | self.assertEqual( |
| 533 | a, |
| 534 | array.array(self.typecode, self.example[::-1]+2*self.example) |
| 535 | ) |
Alexandre Vassalotti | e503cf9 | 2009-07-05 06:25:14 +0000 | [diff] [blame] | 536 | a = array.array(self.typecode, self.example) |
| 537 | a += a |
| 538 | self.assertEqual( |
| 539 | a, |
| 540 | array.array(self.typecode, self.example + self.example) |
| 541 | ) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 542 | |
| 543 | b = array.array(self.badtypecode()) |
| 544 | self.assertRaises(TypeError, a.__add__, b) |
| 545 | |
| 546 | self.assertRaises(TypeError, a.__iadd__, "bad") |
| 547 | |
| 548 | def test_mul(self): |
| 549 | a = 5*array.array(self.typecode, self.example) |
| 550 | self.assertEqual( |
| 551 | a, |
| 552 | array.array(self.typecode, 5*self.example) |
| 553 | ) |
| 554 | |
| 555 | a = array.array(self.typecode, self.example)*5 |
| 556 | self.assertEqual( |
| 557 | a, |
| 558 | array.array(self.typecode, self.example*5) |
| 559 | ) |
| 560 | |
| 561 | a = 0*array.array(self.typecode, self.example) |
| 562 | self.assertEqual( |
| 563 | a, |
| 564 | array.array(self.typecode) |
| 565 | ) |
| 566 | |
| 567 | a = (-1)*array.array(self.typecode, self.example) |
| 568 | self.assertEqual( |
| 569 | a, |
| 570 | array.array(self.typecode) |
| 571 | ) |
| 572 | |
Georg Brandl | c29cc6a | 2010-12-04 11:02:04 +0000 | [diff] [blame] | 573 | a = 5 * array.array(self.typecode, self.example[:1]) |
| 574 | self.assertEqual( |
| 575 | a, |
| 576 | array.array(self.typecode, [a[0]] * 5) |
| 577 | ) |
| 578 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 579 | self.assertRaises(TypeError, a.__mul__, "bad") |
| 580 | |
| 581 | def test_imul(self): |
| 582 | a = array.array(self.typecode, self.example) |
| 583 | b = a |
| 584 | |
| 585 | a *= 5 |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 586 | self.assertIs(a, b) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 587 | self.assertEqual( |
| 588 | a, |
| 589 | array.array(self.typecode, 5*self.example) |
| 590 | ) |
| 591 | |
| 592 | a *= 0 |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 593 | self.assertIs(a, b) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 594 | self.assertEqual(a, array.array(self.typecode)) |
| 595 | |
| 596 | a *= 1000 |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 597 | self.assertIs(a, b) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 598 | self.assertEqual(a, array.array(self.typecode)) |
| 599 | |
| 600 | a *= -1 |
Serhiy Storchaka | 91b3e77 | 2013-11-17 00:45:17 +0200 | [diff] [blame] | 601 | self.assertIs(a, b) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 602 | self.assertEqual(a, array.array(self.typecode)) |
| 603 | |
| 604 | a = array.array(self.typecode, self.example) |
| 605 | a *= -1 |
| 606 | self.assertEqual(a, array.array(self.typecode)) |
| 607 | |
| 608 | self.assertRaises(TypeError, a.__imul__, "bad") |
| 609 | |
| 610 | def test_getitem(self): |
| 611 | a = array.array(self.typecode, self.example) |
| 612 | self.assertEntryEqual(a[0], self.example[0]) |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 613 | self.assertEntryEqual(a[0], self.example[0]) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 614 | self.assertEntryEqual(a[-1], self.example[-1]) |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 615 | self.assertEntryEqual(a[-1], self.example[-1]) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 616 | self.assertEntryEqual(a[len(self.example)-1], self.example[-1]) |
| 617 | self.assertEntryEqual(a[-len(self.example)], self.example[0]) |
| 618 | self.assertRaises(TypeError, a.__getitem__) |
| 619 | self.assertRaises(IndexError, a.__getitem__, len(self.example)) |
| 620 | self.assertRaises(IndexError, a.__getitem__, -len(self.example)-1) |
| 621 | |
| 622 | def test_setitem(self): |
| 623 | a = array.array(self.typecode, self.example) |
| 624 | a[0] = a[-1] |
| 625 | self.assertEntryEqual(a[0], a[-1]) |
| 626 | |
| 627 | a = array.array(self.typecode, self.example) |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 628 | a[0] = a[-1] |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 629 | self.assertEntryEqual(a[0], a[-1]) |
| 630 | |
| 631 | a = array.array(self.typecode, self.example) |
| 632 | a[-1] = a[0] |
| 633 | self.assertEntryEqual(a[0], a[-1]) |
| 634 | |
| 635 | a = array.array(self.typecode, self.example) |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 636 | a[-1] = a[0] |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 637 | self.assertEntryEqual(a[0], a[-1]) |
| 638 | |
| 639 | a = array.array(self.typecode, self.example) |
| 640 | a[len(self.example)-1] = a[0] |
| 641 | self.assertEntryEqual(a[0], a[-1]) |
| 642 | |
| 643 | a = array.array(self.typecode, self.example) |
| 644 | a[-len(self.example)] = a[-1] |
| 645 | self.assertEntryEqual(a[0], a[-1]) |
| 646 | |
| 647 | self.assertRaises(TypeError, a.__setitem__) |
| 648 | self.assertRaises(TypeError, a.__setitem__, None) |
| 649 | self.assertRaises(TypeError, a.__setitem__, 0, None) |
| 650 | self.assertRaises( |
| 651 | IndexError, |
| 652 | a.__setitem__, |
| 653 | len(self.example), self.example[0] |
| 654 | ) |
| 655 | self.assertRaises( |
| 656 | IndexError, |
| 657 | a.__setitem__, |
| 658 | -len(self.example)-1, self.example[0] |
| 659 | ) |
| 660 | |
| 661 | def test_delitem(self): |
| 662 | a = array.array(self.typecode, self.example) |
| 663 | del a[0] |
| 664 | self.assertEqual( |
| 665 | a, |
| 666 | array.array(self.typecode, self.example[1:]) |
| 667 | ) |
| 668 | |
| 669 | a = array.array(self.typecode, self.example) |
| 670 | del a[-1] |
| 671 | self.assertEqual( |
| 672 | a, |
| 673 | array.array(self.typecode, self.example[:-1]) |
| 674 | ) |
| 675 | |
| 676 | a = array.array(self.typecode, self.example) |
| 677 | del a[len(self.example)-1] |
| 678 | self.assertEqual( |
| 679 | a, |
| 680 | array.array(self.typecode, self.example[:-1]) |
| 681 | ) |
| 682 | |
| 683 | a = array.array(self.typecode, self.example) |
| 684 | del a[-len(self.example)] |
| 685 | self.assertEqual( |
| 686 | a, |
| 687 | array.array(self.typecode, self.example[1:]) |
| 688 | ) |
| 689 | |
| 690 | self.assertRaises(TypeError, a.__delitem__) |
| 691 | self.assertRaises(TypeError, a.__delitem__, None) |
| 692 | self.assertRaises(IndexError, a.__delitem__, len(self.example)) |
| 693 | self.assertRaises(IndexError, a.__delitem__, -len(self.example)-1) |
| 694 | |
| 695 | def test_getslice(self): |
| 696 | a = array.array(self.typecode, self.example) |
| 697 | self.assertEqual(a[:], a) |
| 698 | |
| 699 | self.assertEqual( |
| 700 | a[1:], |
| 701 | array.array(self.typecode, self.example[1:]) |
| 702 | ) |
| 703 | |
| 704 | self.assertEqual( |
| 705 | a[:1], |
| 706 | array.array(self.typecode, self.example[:1]) |
| 707 | ) |
| 708 | |
| 709 | self.assertEqual( |
| 710 | a[:-1], |
| 711 | array.array(self.typecode, self.example[:-1]) |
| 712 | ) |
| 713 | |
| 714 | self.assertEqual( |
| 715 | a[-1:], |
| 716 | array.array(self.typecode, self.example[-1:]) |
| 717 | ) |
| 718 | |
| 719 | self.assertEqual( |
| 720 | a[-1:-1], |
| 721 | array.array(self.typecode) |
| 722 | ) |
| 723 | |
| 724 | self.assertEqual( |
Walter Dörwald | 1083c24 | 2005-01-21 21:16:51 +0000 | [diff] [blame] | 725 | a[2:1], |
| 726 | array.array(self.typecode) |
| 727 | ) |
| 728 | |
| 729 | self.assertEqual( |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 730 | a[1000:], |
| 731 | array.array(self.typecode) |
| 732 | ) |
| 733 | self.assertEqual(a[-1000:], a) |
| 734 | self.assertEqual(a[:1000], a) |
| 735 | self.assertEqual( |
| 736 | a[:-1000], |
| 737 | array.array(self.typecode) |
| 738 | ) |
| 739 | self.assertEqual(a[-1000:1000], a) |
| 740 | self.assertEqual( |
| 741 | a[2000:1000], |
| 742 | array.array(self.typecode) |
| 743 | ) |
| 744 | |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 745 | def test_extended_getslice(self): |
| 746 | # Test extended slicing by comparing with list slicing |
| 747 | # (Assumes list conversion works correctly, too) |
| 748 | a = array.array(self.typecode, self.example) |
Zackery Spytz | 14514d9 | 2019-05-17 01:13:03 -0600 | [diff] [blame] | 749 | indices = (0, None, 1, 3, 19, 100, sys.maxsize, -1, -2, -31, -100) |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 750 | for start in indices: |
| 751 | for stop in indices: |
| 752 | # Everything except the initial 0 (invalid step) |
| 753 | for step in indices[1:]: |
| 754 | self.assertEqual(list(a[start:stop:step]), |
| 755 | list(a)[start:stop:step]) |
| 756 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 757 | def test_setslice(self): |
| 758 | a = array.array(self.typecode, self.example) |
| 759 | a[:1] = a |
| 760 | self.assertEqual( |
| 761 | a, |
| 762 | array.array(self.typecode, self.example + self.example[1:]) |
| 763 | ) |
| 764 | |
| 765 | a = array.array(self.typecode, self.example) |
Fred Drake | 004d5e6 | 2000-10-23 17:22:08 +0000 | [diff] [blame] | 766 | a[:-1] = a |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 767 | self.assertEqual( |
| 768 | a, |
| 769 | array.array(self.typecode, self.example + self.example[-1:]) |
| 770 | ) |
| 771 | |
| 772 | a = array.array(self.typecode, self.example) |
| 773 | a[-1:] = a |
| 774 | self.assertEqual( |
| 775 | a, |
| 776 | array.array(self.typecode, self.example[:-1] + self.example) |
| 777 | ) |
| 778 | |
| 779 | a = array.array(self.typecode, self.example) |
Fred Drake | 004d5e6 | 2000-10-23 17:22:08 +0000 | [diff] [blame] | 780 | a[1:] = a |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 781 | self.assertEqual( |
| 782 | a, |
| 783 | array.array(self.typecode, self.example[:1] + self.example) |
| 784 | ) |
| 785 | |
| 786 | a = array.array(self.typecode, self.example) |
Fred Drake | 004d5e6 | 2000-10-23 17:22:08 +0000 | [diff] [blame] | 787 | a[1:-1] = a |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 788 | self.assertEqual( |
| 789 | a, |
| 790 | array.array( |
| 791 | self.typecode, |
| 792 | self.example[:1] + self.example + self.example[-1:] |
| 793 | ) |
| 794 | ) |
| 795 | |
| 796 | a = array.array(self.typecode, self.example) |
| 797 | a[1000:] = a |
| 798 | self.assertEqual( |
| 799 | a, |
| 800 | array.array(self.typecode, 2*self.example) |
| 801 | ) |
| 802 | |
| 803 | a = array.array(self.typecode, self.example) |
| 804 | a[-1000:] = a |
| 805 | self.assertEqual( |
| 806 | a, |
| 807 | array.array(self.typecode, self.example) |
| 808 | ) |
| 809 | |
| 810 | a = array.array(self.typecode, self.example) |
| 811 | a[:1000] = a |
| 812 | self.assertEqual( |
| 813 | a, |
| 814 | array.array(self.typecode, self.example) |
| 815 | ) |
| 816 | |
| 817 | a = array.array(self.typecode, self.example) |
| 818 | a[:-1000] = a |
| 819 | self.assertEqual( |
| 820 | a, |
| 821 | array.array(self.typecode, 2*self.example) |
| 822 | ) |
| 823 | |
| 824 | a = array.array(self.typecode, self.example) |
| 825 | a[1:0] = a |
| 826 | self.assertEqual( |
| 827 | a, |
| 828 | array.array(self.typecode, self.example[:1] + self.example + self.example[1:]) |
| 829 | ) |
| 830 | |
| 831 | a = array.array(self.typecode, self.example) |
| 832 | a[2000:1000] = a |
| 833 | self.assertEqual( |
| 834 | a, |
| 835 | array.array(self.typecode, 2*self.example) |
| 836 | ) |
| 837 | |
| 838 | a = array.array(self.typecode, self.example) |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 839 | self.assertRaises(TypeError, a.__setitem__, slice(0, 0), None) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 840 | self.assertRaises(TypeError, a.__setitem__, slice(0, 1), None) |
| 841 | |
| 842 | b = array.array(self.badtypecode()) |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 843 | self.assertRaises(TypeError, a.__setitem__, slice(0, 0), b) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 844 | self.assertRaises(TypeError, a.__setitem__, slice(0, 1), b) |
| 845 | |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 846 | def test_extended_set_del_slice(self): |
Zackery Spytz | 14514d9 | 2019-05-17 01:13:03 -0600 | [diff] [blame] | 847 | indices = (0, None, 1, 3, 19, 100, sys.maxsize, -1, -2, -31, -100) |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 848 | for start in indices: |
| 849 | for stop in indices: |
| 850 | # Everything except the initial 0 (invalid step) |
| 851 | for step in indices[1:]: |
| 852 | a = array.array(self.typecode, self.example) |
| 853 | L = list(a) |
| 854 | # Make sure we have a slice of exactly the right length, |
| 855 | # but with (hopefully) different data. |
| 856 | data = L[start:stop:step] |
| 857 | data.reverse() |
| 858 | L[start:stop:step] = data |
| 859 | a[start:stop:step] = array.array(self.typecode, data) |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 860 | self.assertEqual(a, array.array(self.typecode, L)) |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 861 | |
| 862 | del L[start:stop:step] |
| 863 | del a[start:stop:step] |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 864 | self.assertEqual(a, array.array(self.typecode, L)) |
Thomas Wouters | ed03b41 | 2007-08-28 21:37:11 +0000 | [diff] [blame] | 865 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 866 | def test_index(self): |
| 867 | example = 2*self.example |
| 868 | a = array.array(self.typecode, example) |
| 869 | self.assertRaises(TypeError, a.index) |
| 870 | for x in example: |
| 871 | self.assertEqual(a.index(x), example.index(x)) |
| 872 | self.assertRaises(ValueError, a.index, None) |
| 873 | self.assertRaises(ValueError, a.index, self.outside) |
| 874 | |
| 875 | def test_count(self): |
| 876 | example = 2*self.example |
| 877 | a = array.array(self.typecode, example) |
| 878 | self.assertRaises(TypeError, a.count) |
| 879 | for x in example: |
| 880 | self.assertEqual(a.count(x), example.count(x)) |
| 881 | self.assertEqual(a.count(self.outside), 0) |
| 882 | self.assertEqual(a.count(None), 0) |
| 883 | |
| 884 | def test_remove(self): |
| 885 | for x in self.example: |
| 886 | example = 2*self.example |
| 887 | a = array.array(self.typecode, example) |
| 888 | pos = example.index(x) |
| 889 | example2 = example[:pos] + example[pos+1:] |
| 890 | a.remove(x) |
| 891 | self.assertEqual(a, array.array(self.typecode, example2)) |
| 892 | |
| 893 | a = array.array(self.typecode, self.example) |
| 894 | self.assertRaises(ValueError, a.remove, self.outside) |
| 895 | |
| 896 | self.assertRaises(ValueError, a.remove, None) |
| 897 | |
| 898 | def test_pop(self): |
| 899 | a = array.array(self.typecode) |
| 900 | self.assertRaises(IndexError, a.pop) |
| 901 | |
| 902 | a = array.array(self.typecode, 2*self.example) |
| 903 | self.assertRaises(TypeError, a.pop, 42, 42) |
| 904 | self.assertRaises(TypeError, a.pop, None) |
| 905 | self.assertRaises(IndexError, a.pop, len(a)) |
| 906 | self.assertRaises(IndexError, a.pop, -len(a)-1) |
| 907 | |
| 908 | self.assertEntryEqual(a.pop(0), self.example[0]) |
| 909 | self.assertEqual( |
| 910 | a, |
| 911 | array.array(self.typecode, self.example[1:]+self.example) |
| 912 | ) |
| 913 | self.assertEntryEqual(a.pop(1), self.example[2]) |
| 914 | self.assertEqual( |
| 915 | a, |
| 916 | array.array(self.typecode, self.example[1:2]+self.example[3:]+self.example) |
| 917 | ) |
| 918 | self.assertEntryEqual(a.pop(0), self.example[1]) |
| 919 | self.assertEntryEqual(a.pop(), self.example[-1]) |
| 920 | self.assertEqual( |
| 921 | a, |
| 922 | array.array(self.typecode, self.example[3:]+self.example[:-1]) |
| 923 | ) |
| 924 | |
| 925 | def test_reverse(self): |
| 926 | a = array.array(self.typecode, self.example) |
| 927 | self.assertRaises(TypeError, a.reverse, 42) |
Fred Drake | 004d5e6 | 2000-10-23 17:22:08 +0000 | [diff] [blame] | 928 | a.reverse() |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 929 | self.assertEqual( |
| 930 | a, |
| 931 | array.array(self.typecode, self.example[::-1]) |
| 932 | ) |
| 933 | |
| 934 | def test_extend(self): |
| 935 | a = array.array(self.typecode, self.example) |
| 936 | self.assertRaises(TypeError, a.extend) |
| 937 | a.extend(array.array(self.typecode, self.example[::-1])) |
| 938 | self.assertEqual( |
| 939 | a, |
| 940 | array.array(self.typecode, self.example+self.example[::-1]) |
| 941 | ) |
| 942 | |
Alexandre Vassalotti | e503cf9 | 2009-07-05 06:25:14 +0000 | [diff] [blame] | 943 | a = array.array(self.typecode, self.example) |
| 944 | a.extend(a) |
| 945 | self.assertEqual( |
| 946 | a, |
| 947 | array.array(self.typecode, self.example+self.example) |
| 948 | ) |
| 949 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 950 | b = array.array(self.badtypecode()) |
| 951 | self.assertRaises(TypeError, a.extend, b) |
| 952 | |
Raymond Hettinger | 49f9bd1 | 2004-03-14 05:43:59 +0000 | [diff] [blame] | 953 | a = array.array(self.typecode, self.example) |
| 954 | a.extend(self.example[::-1]) |
| 955 | self.assertEqual( |
| 956 | a, |
| 957 | array.array(self.typecode, self.example+self.example[::-1]) |
| 958 | ) |
| 959 | |
Raymond Hettinger | 6ab78cd | 2004-08-29 07:50:43 +0000 | [diff] [blame] | 960 | def test_constructor_with_iterable_argument(self): |
| 961 | a = array.array(self.typecode, iter(self.example)) |
| 962 | b = array.array(self.typecode, self.example) |
| 963 | self.assertEqual(a, b) |
| 964 | |
| 965 | # non-iterable argument |
| 966 | self.assertRaises(TypeError, array.array, self.typecode, 10) |
| 967 | |
| 968 | # pass through errors raised in __iter__ |
| 969 | class A: |
| 970 | def __iter__(self): |
| 971 | raise UnicodeError |
| 972 | self.assertRaises(UnicodeError, array.array, self.typecode, A()) |
| 973 | |
| 974 | # pass through errors raised in next() |
| 975 | def B(): |
| 976 | raise UnicodeError |
| 977 | yield None |
| 978 | self.assertRaises(UnicodeError, array.array, self.typecode, B()) |
| 979 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 980 | def test_coveritertraverse(self): |
| 981 | try: |
| 982 | import gc |
| 983 | except ImportError: |
Zachary Ware | 9fe6d86 | 2013-12-08 00:20:35 -0600 | [diff] [blame] | 984 | self.skipTest('gc module not available') |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 985 | a = array.array(self.typecode) |
| 986 | l = [iter(a)] |
| 987 | l.append(l) |
| 988 | gc.collect() |
| 989 | |
| 990 | def test_buffer(self): |
| 991 | a = array.array(self.typecode, self.example) |
Antoine Pitrou | 3ad3a0d | 2008-12-18 17:08:32 +0000 | [diff] [blame] | 992 | m = memoryview(a) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 993 | expected = m.tobytes() |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 994 | self.assertEqual(a.tobytes(), expected) |
| 995 | self.assertEqual(a.tobytes()[0], expected[0]) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 996 | # Resizing is forbidden when there are buffer exports. |
| 997 | # For issue 4509, we also check after each error that |
| 998 | # the array was not modified. |
Antoine Pitrou | 3ad3a0d | 2008-12-18 17:08:32 +0000 | [diff] [blame] | 999 | self.assertRaises(BufferError, a.append, a[0]) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 1000 | self.assertEqual(m.tobytes(), expected) |
Antoine Pitrou | 3ad3a0d | 2008-12-18 17:08:32 +0000 | [diff] [blame] | 1001 | self.assertRaises(BufferError, a.extend, a[0:1]) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 1002 | self.assertEqual(m.tobytes(), expected) |
Antoine Pitrou | 3ad3a0d | 2008-12-18 17:08:32 +0000 | [diff] [blame] | 1003 | self.assertRaises(BufferError, a.remove, a[0]) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 1004 | self.assertEqual(m.tobytes(), expected) |
| 1005 | self.assertRaises(BufferError, a.pop, 0) |
| 1006 | self.assertEqual(m.tobytes(), expected) |
Antoine Pitrou | 3ad3a0d | 2008-12-18 17:08:32 +0000 | [diff] [blame] | 1007 | self.assertRaises(BufferError, a.fromlist, a.tolist()) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 1008 | self.assertEqual(m.tobytes(), expected) |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 1009 | self.assertRaises(BufferError, a.frombytes, a.tobytes()) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 1010 | self.assertEqual(m.tobytes(), expected) |
Antoine Pitrou | 3ad3a0d | 2008-12-18 17:08:32 +0000 | [diff] [blame] | 1011 | if self.typecode == 'u': |
| 1012 | self.assertRaises(BufferError, a.fromunicode, a.tounicode()) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 1013 | self.assertEqual(m.tobytes(), expected) |
Raymond Hettinger | 3471b1c | 2009-01-27 11:06:40 +0000 | [diff] [blame] | 1014 | self.assertRaises(BufferError, operator.imul, a, 2) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 1015 | self.assertEqual(m.tobytes(), expected) |
Raymond Hettinger | 3471b1c | 2009-01-27 11:06:40 +0000 | [diff] [blame] | 1016 | self.assertRaises(BufferError, operator.imul, a, 0) |
Alexandre Vassalotti | 4713725 | 2009-07-05 19:57:00 +0000 | [diff] [blame] | 1017 | self.assertEqual(m.tobytes(), expected) |
| 1018 | self.assertRaises(BufferError, operator.setitem, a, slice(0, 0), a) |
| 1019 | self.assertEqual(m.tobytes(), expected) |
| 1020 | self.assertRaises(BufferError, operator.delitem, a, 0) |
| 1021 | self.assertEqual(m.tobytes(), expected) |
| 1022 | self.assertRaises(BufferError, operator.delitem, a, slice(0, 1)) |
| 1023 | self.assertEqual(m.tobytes(), expected) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1024 | |
Raymond Hettinger | cb87bc8 | 2004-05-31 00:35:52 +0000 | [diff] [blame] | 1025 | def test_weakref(self): |
| 1026 | s = array.array(self.typecode, self.example) |
Alexandre Vassalotti | ad07715 | 2009-07-15 17:49:23 +0000 | [diff] [blame] | 1027 | p = weakref.proxy(s) |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 1028 | self.assertEqual(p.tobytes(), s.tobytes()) |
Raymond Hettinger | cb87bc8 | 2004-05-31 00:35:52 +0000 | [diff] [blame] | 1029 | s = None |
| 1030 | self.assertRaises(ReferenceError, len, p) |
| 1031 | |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 1032 | @unittest.skipUnless(hasattr(sys, 'getrefcount'), |
| 1033 | 'test needs sys.getrefcount()') |
Skip Montanaro | d5cf0b8 | 2003-08-03 23:02:10 +0000 | [diff] [blame] | 1034 | def test_bug_782369(self): |
Serhiy Storchaka | 4376763 | 2013-11-03 21:31:38 +0200 | [diff] [blame] | 1035 | for i in range(10): |
| 1036 | b = array.array('B', range(64)) |
| 1037 | rc = sys.getrefcount(10) |
| 1038 | for i in range(10): |
| 1039 | b = array.array('B', range(64)) |
| 1040 | self.assertEqual(rc, sys.getrefcount(10)) |
Skip Montanaro | d5cf0b8 | 2003-08-03 23:02:10 +0000 | [diff] [blame] | 1041 | |
Thomas Wouters | b213704 | 2007-02-01 18:02:27 +0000 | [diff] [blame] | 1042 | def test_subclass_with_kwargs(self): |
| 1043 | # SF bug #1486663 -- this used to erroneously raise a TypeError |
| 1044 | ArraySubclassWithKwargs('b', newarg=1) |
Raymond Hettinger | cb87bc8 | 2004-05-31 00:35:52 +0000 | [diff] [blame] | 1045 | |
Guido van Rossum | 6b826ab | 2007-07-03 16:22:09 +0000 | [diff] [blame] | 1046 | def test_create_from_bytes(self): |
Alexandre Vassalotti | 7e4f321 | 2009-07-05 05:38:18 +0000 | [diff] [blame] | 1047 | # XXX This test probably needs to be moved in a subclass or |
| 1048 | # generalized to use self.typecode. |
Guido van Rossum | 6b826ab | 2007-07-03 16:22:09 +0000 | [diff] [blame] | 1049 | a = array.array('H', b"1234") |
| 1050 | self.assertEqual(len(a) * a.itemsize, 4) |
| 1051 | |
Meador Inge | 03b4d50 | 2012-08-10 22:35:45 -0500 | [diff] [blame] | 1052 | @support.cpython_only |
| 1053 | def test_sizeof_with_buffer(self): |
| 1054 | a = array.array(self.typecode, self.example) |
Meador Inge | 80dd1af | 2012-08-10 23:21:39 -0500 | [diff] [blame] | 1055 | basesize = support.calcvobjsize('Pn2Pi') |
Meador Inge | 03b4d50 | 2012-08-10 22:35:45 -0500 | [diff] [blame] | 1056 | buffer_size = a.buffer_info()[1] * a.itemsize |
| 1057 | support.check_sizeof(self, a, basesize + buffer_size) |
| 1058 | |
| 1059 | @support.cpython_only |
| 1060 | def test_sizeof_without_buffer(self): |
| 1061 | a = array.array(self.typecode) |
Meador Inge | 80dd1af | 2012-08-10 23:21:39 -0500 | [diff] [blame] | 1062 | basesize = support.calcvobjsize('Pn2Pi') |
Meador Inge | 03b4d50 | 2012-08-10 22:35:45 -0500 | [diff] [blame] | 1063 | support.check_sizeof(self, a, basesize) |
| 1064 | |
Alexandre Vassalotti | 9730e33 | 2013-11-29 20:47:15 -0800 | [diff] [blame] | 1065 | def test_initialize_with_unicode(self): |
| 1066 | if self.typecode != 'u': |
| 1067 | with self.assertRaises(TypeError) as cm: |
| 1068 | a = array.array(self.typecode, 'foo') |
| 1069 | self.assertIn("cannot use a str", str(cm.exception)) |
| 1070 | with self.assertRaises(TypeError) as cm: |
| 1071 | a = array.array(self.typecode, array.array('u', 'foo')) |
| 1072 | self.assertIn("cannot use a unicode array", str(cm.exception)) |
| 1073 | else: |
| 1074 | a = array.array(self.typecode, "foo") |
| 1075 | a = array.array(self.typecode, array.array('u', 'foo')) |
| 1076 | |
Stefan Krah | 650c1e8 | 2015-02-03 21:43:23 +0100 | [diff] [blame] | 1077 | @support.cpython_only |
| 1078 | def test_obsolete_write_lock(self): |
| 1079 | from _testcapi import getbuffer_with_null_view |
| 1080 | a = array.array('B', b"") |
| 1081 | self.assertRaises(BufferError, getbuffer_with_null_view, a) |
Raymond Hettinger | cb87bc8 | 2004-05-31 00:35:52 +0000 | [diff] [blame] | 1082 | |
Serhiy Storchaka | ab0d198 | 2016-03-30 21:11:16 +0300 | [diff] [blame] | 1083 | def test_free_after_iterating(self): |
| 1084 | support.check_free_after_iterating(self, iter, array.array, |
| 1085 | (self.typecode,)) |
| 1086 | support.check_free_after_iterating(self, reversed, array.array, |
| 1087 | (self.typecode,)) |
| 1088 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1089 | class StringTest(BaseTest): |
| 1090 | |
| 1091 | def test_setitem(self): |
Guido van Rossum | cd16bf6 | 2007-06-13 18:07:49 +0000 | [diff] [blame] | 1092 | super().test_setitem() |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1093 | a = array.array(self.typecode, self.example) |
| 1094 | self.assertRaises(TypeError, a.__setitem__, 0, self.example[:2]) |
| 1095 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1096 | class UnicodeTest(StringTest, unittest.TestCase): |
Walter Dörwald | 1f5947b | 2007-05-22 16:52:54 +0000 | [diff] [blame] | 1097 | typecode = 'u' |
| 1098 | example = '\x01\u263a\x00\ufeff' |
| 1099 | smallerexample = '\x01\u263a\x00\ufefe' |
| 1100 | biggerexample = '\x01\u263a\x01\ufeff' |
| 1101 | outside = str('\x33') |
Victor Stinner | 8d4734f | 2012-08-08 20:09:21 +0200 | [diff] [blame] | 1102 | minitemsize = 2 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1103 | |
Walter Dörwald | 1f5947b | 2007-05-22 16:52:54 +0000 | [diff] [blame] | 1104 | def test_unicode(self): |
| 1105 | self.assertRaises(TypeError, array.array, 'b', 'foo') |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1106 | |
Walter Dörwald | 1f5947b | 2007-05-22 16:52:54 +0000 | [diff] [blame] | 1107 | a = array.array('u', '\xa0\xc2\u1234') |
| 1108 | a.fromunicode(' ') |
| 1109 | a.fromunicode('') |
| 1110 | a.fromunicode('') |
| 1111 | a.fromunicode('\x11abc\xff\u1234') |
| 1112 | s = a.tounicode() |
| 1113 | self.assertEqual(s, '\xa0\xc2\u1234 \x11abc\xff\u1234') |
Victor Stinner | 9d512ab | 2012-08-09 00:43:56 +0200 | [diff] [blame] | 1114 | self.assertEqual(a.itemsize, sizeof_wchar) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1115 | |
Walter Dörwald | 1f5947b | 2007-05-22 16:52:54 +0000 | [diff] [blame] | 1116 | s = '\x00="\'a\\b\x80\xff\u0000\u0001\u1234' |
| 1117 | a = array.array('u', s) |
| 1118 | self.assertEqual( |
| 1119 | repr(a), |
Georg Brandl | 559e5d7 | 2008-06-11 18:37:52 +0000 | [diff] [blame] | 1120 | "array('u', '\\x00=\"\\'a\\\\b\\x80\xff\\x00\\x01\u1234')") |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1121 | |
Walter Dörwald | 1f5947b | 2007-05-22 16:52:54 +0000 | [diff] [blame] | 1122 | self.assertRaises(TypeError, a.fromunicode) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1123 | |
Victor Stinner | 29ec595 | 2013-02-26 00:27:38 +0100 | [diff] [blame] | 1124 | def test_issue17223(self): |
| 1125 | # this used to crash |
Victor Stinner | c472c5d | 2013-02-26 22:52:11 +0100 | [diff] [blame] | 1126 | if sizeof_wchar == 4: |
| 1127 | # U+FFFFFFFF is an invalid code point in Unicode 6.0 |
| 1128 | invalid_str = b'\xff\xff\xff\xff' |
| 1129 | else: |
Victor Stinner | 29c0034 | 2013-03-08 02:33:06 +0100 | [diff] [blame] | 1130 | # PyUnicode_FromUnicode() cannot fail with 16-bit wchar_t |
| 1131 | self.skipTest("specific to 32-bit wchar_t") |
Victor Stinner | c472c5d | 2013-02-26 22:52:11 +0100 | [diff] [blame] | 1132 | a = array.array('u', invalid_str) |
Victor Stinner | 29ec595 | 2013-02-26 00:27:38 +0100 | [diff] [blame] | 1133 | self.assertRaises(ValueError, a.tounicode) |
| 1134 | self.assertRaises(ValueError, str, a) |
| 1135 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1136 | class NumberTest(BaseTest): |
| 1137 | |
| 1138 | def test_extslice(self): |
| 1139 | a = array.array(self.typecode, range(5)) |
| 1140 | self.assertEqual(a[::], a) |
| 1141 | self.assertEqual(a[::2], array.array(self.typecode, [0,2,4])) |
| 1142 | self.assertEqual(a[1::2], array.array(self.typecode, [1,3])) |
| 1143 | self.assertEqual(a[::-1], array.array(self.typecode, [4,3,2,1,0])) |
| 1144 | self.assertEqual(a[::-2], array.array(self.typecode, [4,2,0])) |
| 1145 | self.assertEqual(a[3::-2], array.array(self.typecode, [3,1])) |
| 1146 | self.assertEqual(a[-100:100:], a) |
| 1147 | self.assertEqual(a[100:-100:-1], a[::-1]) |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 1148 | self.assertEqual(a[-100:100:2], array.array(self.typecode, [0,2,4])) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1149 | self.assertEqual(a[1000:2000:2], array.array(self.typecode, [])) |
| 1150 | self.assertEqual(a[-1000:-2000:-2], array.array(self.typecode, [])) |
| 1151 | |
| 1152 | def test_delslice(self): |
| 1153 | a = array.array(self.typecode, range(5)) |
Michael W. Hudson | 9c14bad | 2002-06-19 15:44:15 +0000 | [diff] [blame] | 1154 | del a[::2] |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1155 | self.assertEqual(a, array.array(self.typecode, [1,3])) |
| 1156 | a = array.array(self.typecode, range(5)) |
Michael W. Hudson | 9c14bad | 2002-06-19 15:44:15 +0000 | [diff] [blame] | 1157 | del a[1::2] |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1158 | self.assertEqual(a, array.array(self.typecode, [0,2,4])) |
| 1159 | a = array.array(self.typecode, range(5)) |
Michael W. Hudson | 9c14bad | 2002-06-19 15:44:15 +0000 | [diff] [blame] | 1160 | del a[1::-2] |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1161 | self.assertEqual(a, array.array(self.typecode, [0,2,3,4])) |
| 1162 | a = array.array(self.typecode, range(10)) |
Michael W. Hudson | 56796f6 | 2002-07-29 14:35:04 +0000 | [diff] [blame] | 1163 | del a[::1000] |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1164 | self.assertEqual(a, array.array(self.typecode, [1,2,3,4,5,6,7,8,9])) |
Mark Dickinson | bc09964 | 2010-01-29 17:27:24 +0000 | [diff] [blame] | 1165 | # test issue7788 |
| 1166 | a = array.array(self.typecode, range(10)) |
| 1167 | del a[9::1<<333] |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1168 | |
| 1169 | def test_assignment(self): |
| 1170 | a = array.array(self.typecode, range(10)) |
| 1171 | a[::2] = array.array(self.typecode, [42]*5) |
| 1172 | self.assertEqual(a, array.array(self.typecode, [42, 1, 42, 3, 42, 5, 42, 7, 42, 9])) |
| 1173 | a = array.array(self.typecode, range(10)) |
| 1174 | a[::-4] = array.array(self.typecode, [10]*3) |
| 1175 | self.assertEqual(a, array.array(self.typecode, [0, 10, 2, 3, 4, 10, 6, 7, 8 ,10])) |
| 1176 | a = array.array(self.typecode, range(4)) |
Michael W. Hudson | 9c14bad | 2002-06-19 15:44:15 +0000 | [diff] [blame] | 1177 | a[::-1] = a |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1178 | self.assertEqual(a, array.array(self.typecode, [3, 2, 1, 0])) |
| 1179 | a = array.array(self.typecode, range(10)) |
Michael W. Hudson | 9c14bad | 2002-06-19 15:44:15 +0000 | [diff] [blame] | 1180 | b = a[:] |
| 1181 | c = a[:] |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1182 | ins = array.array(self.typecode, range(2)) |
Michael W. Hudson | 9c14bad | 2002-06-19 15:44:15 +0000 | [diff] [blame] | 1183 | a[2:3] = ins |
| 1184 | b[slice(2,3)] = ins |
| 1185 | c[2:3:] = ins |
Fred Drake | 004d5e6 | 2000-10-23 17:22:08 +0000 | [diff] [blame] | 1186 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1187 | def test_iterationcontains(self): |
| 1188 | a = array.array(self.typecode, range(10)) |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 1189 | self.assertEqual(list(a), list(range(10))) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1190 | b = array.array(self.typecode, [20]) |
| 1191 | self.assertEqual(a[-1] in a, True) |
| 1192 | self.assertEqual(b[0] not in a, True) |
| 1193 | |
| 1194 | def check_overflow(self, lower, upper): |
| 1195 | # method to be used by subclasses |
| 1196 | |
| 1197 | # should not overflow assigning lower limit |
| 1198 | a = array.array(self.typecode, [lower]) |
| 1199 | a[0] = lower |
| 1200 | # should overflow assigning less than lower limit |
| 1201 | self.assertRaises(OverflowError, array.array, self.typecode, [lower-1]) |
| 1202 | self.assertRaises(OverflowError, a.__setitem__, 0, lower-1) |
| 1203 | # should not overflow assigning upper limit |
| 1204 | a = array.array(self.typecode, [upper]) |
| 1205 | a[0] = upper |
| 1206 | # should overflow assigning more than upper limit |
| 1207 | self.assertRaises(OverflowError, array.array, self.typecode, [upper+1]) |
| 1208 | self.assertRaises(OverflowError, a.__setitem__, 0, upper+1) |
| 1209 | |
| 1210 | def test_subclassing(self): |
| 1211 | typecode = self.typecode |
| 1212 | class ExaggeratingArray(array.array): |
| 1213 | __slots__ = ['offset'] |
| 1214 | |
| 1215 | def __new__(cls, typecode, data, offset): |
| 1216 | return array.array.__new__(cls, typecode, data) |
| 1217 | |
| 1218 | def __init__(self, typecode, data, offset): |
| 1219 | self.offset = offset |
| 1220 | |
| 1221 | def __getitem__(self, i): |
| 1222 | return array.array.__getitem__(self, i) + self.offset |
| 1223 | |
| 1224 | a = ExaggeratingArray(self.typecode, [3, 6, 7, 11], 4) |
| 1225 | self.assertEntryEqual(a[0], 7) |
| 1226 | |
| 1227 | self.assertRaises(AttributeError, setattr, a, "color", "blue") |
| 1228 | |
Alexander Belopolsky | ef4a03f | 2011-01-11 21:44:00 +0000 | [diff] [blame] | 1229 | def test_frombytearray(self): |
| 1230 | a = array.array('b', range(10)) |
| 1231 | b = array.array(self.typecode, a) |
| 1232 | self.assertEqual(a, b) |
| 1233 | |
orenmn | 964281a | 2017-03-09 11:35:28 +0200 | [diff] [blame] | 1234 | class IntegerNumberTest(NumberTest): |
| 1235 | def test_type_error(self): |
| 1236 | a = array.array(self.typecode) |
| 1237 | a.append(42) |
| 1238 | with self.assertRaises(TypeError): |
| 1239 | a.append(42.0) |
| 1240 | with self.assertRaises(TypeError): |
| 1241 | a[0] = 42.0 |
| 1242 | |
| 1243 | class Intable: |
| 1244 | def __init__(self, num): |
| 1245 | self._num = num |
Serhiy Storchaka | 6a44f6e | 2019-02-25 17:57:58 +0200 | [diff] [blame] | 1246 | def __index__(self): |
| 1247 | return self._num |
orenmn | 964281a | 2017-03-09 11:35:28 +0200 | [diff] [blame] | 1248 | def __int__(self): |
| 1249 | return self._num |
| 1250 | def __sub__(self, other): |
| 1251 | return Intable(int(self) - int(other)) |
| 1252 | def __add__(self, other): |
| 1253 | return Intable(int(self) + int(other)) |
| 1254 | |
| 1255 | class SignedNumberTest(IntegerNumberTest): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1256 | example = [-1, 0, 1, 42, 0x7f] |
| 1257 | smallerexample = [-1, 0, 1, 42, 0x7e] |
| 1258 | biggerexample = [-1, 0, 1, 43, 0x7f] |
| 1259 | outside = 23 |
| 1260 | |
| 1261 | def test_overflow(self): |
| 1262 | a = array.array(self.typecode) |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 1263 | lower = -1 * int(pow(2, a.itemsize * 8 - 1)) |
| 1264 | upper = int(pow(2, a.itemsize * 8 - 1)) - 1 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1265 | self.check_overflow(lower, upper) |
orenmn | 964281a | 2017-03-09 11:35:28 +0200 | [diff] [blame] | 1266 | self.check_overflow(Intable(lower), Intable(upper)) |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1267 | |
orenmn | 964281a | 2017-03-09 11:35:28 +0200 | [diff] [blame] | 1268 | class UnsignedNumberTest(IntegerNumberTest): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1269 | example = [0, 1, 17, 23, 42, 0xff] |
| 1270 | smallerexample = [0, 1, 17, 23, 42, 0xfe] |
| 1271 | biggerexample = [0, 1, 17, 23, 43, 0xff] |
| 1272 | outside = 0xaa |
| 1273 | |
| 1274 | def test_overflow(self): |
| 1275 | a = array.array(self.typecode) |
| 1276 | lower = 0 |
Guido van Rossum | e2a383d | 2007-01-15 16:59:06 +0000 | [diff] [blame] | 1277 | upper = int(pow(2, a.itemsize * 8)) - 1 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1278 | self.check_overflow(lower, upper) |
orenmn | 964281a | 2017-03-09 11:35:28 +0200 | [diff] [blame] | 1279 | self.check_overflow(Intable(lower), Intable(upper)) |
Fred Drake | 004d5e6 | 2000-10-23 17:22:08 +0000 | [diff] [blame] | 1280 | |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 1281 | def test_bytes_extend(self): |
| 1282 | s = bytes(self.example) |
| 1283 | |
| 1284 | a = array.array(self.typecode, self.example) |
| 1285 | a.extend(s) |
| 1286 | self.assertEqual( |
| 1287 | a, |
| 1288 | array.array(self.typecode, self.example+self.example) |
| 1289 | ) |
| 1290 | |
| 1291 | a = array.array(self.typecode, self.example) |
| 1292 | a.extend(bytearray(reversed(s))) |
| 1293 | self.assertEqual( |
| 1294 | a, |
| 1295 | array.array(self.typecode, self.example+self.example[::-1]) |
| 1296 | ) |
| 1297 | |
Fred Drake | 004d5e6 | 2000-10-23 17:22:08 +0000 | [diff] [blame] | 1298 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1299 | class ByteTest(SignedNumberTest, unittest.TestCase): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1300 | typecode = 'b' |
| 1301 | minitemsize = 1 |
Fred Drake | 004d5e6 | 2000-10-23 17:22:08 +0000 | [diff] [blame] | 1302 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1303 | class UnsignedByteTest(UnsignedNumberTest, unittest.TestCase): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1304 | typecode = 'B' |
| 1305 | minitemsize = 1 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1306 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1307 | class ShortTest(SignedNumberTest, unittest.TestCase): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1308 | typecode = 'h' |
| 1309 | minitemsize = 2 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1310 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1311 | class UnsignedShortTest(UnsignedNumberTest, unittest.TestCase): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1312 | typecode = 'H' |
| 1313 | minitemsize = 2 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1314 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1315 | class IntTest(SignedNumberTest, unittest.TestCase): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1316 | typecode = 'i' |
| 1317 | minitemsize = 2 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1318 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1319 | class UnsignedIntTest(UnsignedNumberTest, unittest.TestCase): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1320 | typecode = 'I' |
| 1321 | minitemsize = 2 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1322 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1323 | class LongTest(SignedNumberTest, unittest.TestCase): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1324 | typecode = 'l' |
| 1325 | minitemsize = 4 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1326 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1327 | class UnsignedLongTest(UnsignedNumberTest, unittest.TestCase): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1328 | typecode = 'L' |
| 1329 | minitemsize = 4 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1330 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1331 | class LongLongTest(SignedNumberTest, unittest.TestCase): |
Meador Inge | 1c9f0c9 | 2011-09-20 19:55:51 -0500 | [diff] [blame] | 1332 | typecode = 'q' |
| 1333 | minitemsize = 8 |
Meador Inge | 1c9f0c9 | 2011-09-20 19:55:51 -0500 | [diff] [blame] | 1334 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1335 | class UnsignedLongLongTest(UnsignedNumberTest, unittest.TestCase): |
Meador Inge | 1c9f0c9 | 2011-09-20 19:55:51 -0500 | [diff] [blame] | 1336 | typecode = 'Q' |
| 1337 | minitemsize = 8 |
Meador Inge | 1c9f0c9 | 2011-09-20 19:55:51 -0500 | [diff] [blame] | 1338 | |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1339 | class FPTest(NumberTest): |
| 1340 | example = [-42.0, 0, 42, 1e5, -1e10] |
| 1341 | smallerexample = [-42.0, 0, 42, 1e5, -2e10] |
| 1342 | biggerexample = [-42.0, 0, 42, 1e5, 1e10] |
| 1343 | outside = 23 |
| 1344 | |
| 1345 | def assertEntryEqual(self, entry1, entry2): |
| 1346 | self.assertAlmostEqual(entry1, entry2) |
| 1347 | |
Adrian Wielgosik | 7c17e23 | 2017-08-17 12:46:06 +0000 | [diff] [blame] | 1348 | def test_nan(self): |
| 1349 | a = array.array(self.typecode, [float('nan')]) |
| 1350 | b = array.array(self.typecode, [float('nan')]) |
| 1351 | self.assertIs(a != b, True) |
| 1352 | self.assertIs(a == b, False) |
| 1353 | self.assertIs(a > b, False) |
| 1354 | self.assertIs(a >= b, False) |
| 1355 | self.assertIs(a < b, False) |
| 1356 | self.assertIs(a <= b, False) |
| 1357 | |
Walter Dörwald | cf99b0a | 2003-05-22 13:15:31 +0000 | [diff] [blame] | 1358 | def test_byteswap(self): |
| 1359 | a = array.array(self.typecode, self.example) |
| 1360 | self.assertRaises(TypeError, a.byteswap, 42) |
| 1361 | if a.itemsize in (1, 2, 4, 8): |
| 1362 | b = array.array(self.typecode, self.example) |
| 1363 | b.byteswap() |
| 1364 | if a.itemsize==1: |
| 1365 | self.assertEqual(a, b) |
| 1366 | else: |
| 1367 | # On alphas treating the byte swapped bit patters as |
| 1368 | # floats/doubles results in floating point exceptions |
| 1369 | # => compare the 8bit string values instead |
Antoine Pitrou | 1ce3eb5 | 2010-09-01 20:29:34 +0000 | [diff] [blame] | 1370 | self.assertNotEqual(a.tobytes(), b.tobytes()) |
Walter Dörwald | cf99b0a | 2003-05-22 13:15:31 +0000 | [diff] [blame] | 1371 | b.byteswap() |
| 1372 | self.assertEqual(a, b) |
| 1373 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1374 | class FloatTest(FPTest, unittest.TestCase): |
Neal Norwitz | 35c6cd0 | 2003-05-22 13:29:15 +0000 | [diff] [blame] | 1375 | typecode = 'f' |
| 1376 | minitemsize = 4 |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1377 | |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1378 | class DoubleTest(FPTest, unittest.TestCase): |
Walter Dörwald | 7fd9424 | 2003-05-18 00:47:47 +0000 | [diff] [blame] | 1379 | typecode = 'd' |
| 1380 | minitemsize = 8 |
Amaury Forgeot d'Arc | 9c74b14 | 2008-06-18 00:47:36 +0000 | [diff] [blame] | 1381 | |
| 1382 | def test_alloc_overflow(self): |
Benjamin Peterson | bcd8ac3 | 2008-10-10 22:20:52 +0000 | [diff] [blame] | 1383 | from sys import maxsize |
Amaury Forgeot d'Arc | 9c74b14 | 2008-06-18 00:47:36 +0000 | [diff] [blame] | 1384 | a = array.array('d', [-1]*65536) |
| 1385 | try: |
Benjamin Peterson | bcd8ac3 | 2008-10-10 22:20:52 +0000 | [diff] [blame] | 1386 | a *= maxsize//65536 + 1 |
Amaury Forgeot d'Arc | 9c74b14 | 2008-06-18 00:47:36 +0000 | [diff] [blame] | 1387 | except MemoryError: |
| 1388 | pass |
| 1389 | else: |
Benjamin Peterson | bcd8ac3 | 2008-10-10 22:20:52 +0000 | [diff] [blame] | 1390 | self.fail("Array of size > maxsize created - MemoryError expected") |
Amaury Forgeot d'Arc | 9c74b14 | 2008-06-18 00:47:36 +0000 | [diff] [blame] | 1391 | b = array.array('d', [ 2.71828183, 3.14159265, -1]) |
| 1392 | try: |
Benjamin Peterson | bcd8ac3 | 2008-10-10 22:20:52 +0000 | [diff] [blame] | 1393 | b * (maxsize//3 + 1) |
Amaury Forgeot d'Arc | 9c74b14 | 2008-06-18 00:47:36 +0000 | [diff] [blame] | 1394 | except MemoryError: |
| 1395 | pass |
| 1396 | else: |
Benjamin Peterson | bcd8ac3 | 2008-10-10 22:20:52 +0000 | [diff] [blame] | 1397 | self.fail("Array of size > maxsize created - MemoryError expected") |
Amaury Forgeot d'Arc | 9c74b14 | 2008-06-18 00:47:36 +0000 | [diff] [blame] | 1398 | |
Raymond Hettinger | 6ab78cd | 2004-08-29 07:50:43 +0000 | [diff] [blame] | 1399 | |
sth | aa3ecb8 | 2019-03-20 20:49:39 +0100 | [diff] [blame] | 1400 | class LargeArrayTest(unittest.TestCase): |
| 1401 | typecode = 'b' |
| 1402 | |
| 1403 | def example(self, size): |
| 1404 | # We assess a base memuse of <=2.125 for constructing this array |
| 1405 | base = array.array(self.typecode, [0, 1, 2, 3, 4, 5, 6, 7]) * (size // 8) |
| 1406 | base += array.array(self.typecode, [99]*(size % 8) + [8, 9, 10, 11]) |
| 1407 | return base |
| 1408 | |
| 1409 | @support.bigmemtest(_2G, memuse=2.125) |
| 1410 | def test_example_data(self, size): |
| 1411 | example = self.example(size) |
| 1412 | self.assertEqual(len(example), size+4) |
| 1413 | |
| 1414 | @support.bigmemtest(_2G, memuse=2.125) |
| 1415 | def test_access(self, size): |
| 1416 | example = self.example(size) |
| 1417 | self.assertEqual(example[0], 0) |
| 1418 | self.assertEqual(example[-(size+4)], 0) |
| 1419 | self.assertEqual(example[size], 8) |
| 1420 | self.assertEqual(example[-4], 8) |
| 1421 | self.assertEqual(example[size+3], 11) |
| 1422 | self.assertEqual(example[-1], 11) |
| 1423 | |
| 1424 | @support.bigmemtest(_2G, memuse=2.125+1) |
| 1425 | def test_slice(self, size): |
| 1426 | example = self.example(size) |
| 1427 | self.assertEqual(list(example[:4]), [0, 1, 2, 3]) |
| 1428 | self.assertEqual(list(example[-4:]), [8, 9, 10, 11]) |
| 1429 | part = example[1:-1] |
| 1430 | self.assertEqual(len(part), size+2) |
| 1431 | self.assertEqual(part[0], 1) |
| 1432 | self.assertEqual(part[-1], 10) |
| 1433 | del part |
| 1434 | part = example[::2] |
| 1435 | self.assertEqual(len(part), (size+5)//2) |
| 1436 | self.assertEqual(list(part[:4]), [0, 2, 4, 6]) |
| 1437 | if size % 2: |
| 1438 | self.assertEqual(list(part[-2:]), [9, 11]) |
| 1439 | else: |
| 1440 | self.assertEqual(list(part[-2:]), [8, 10]) |
| 1441 | |
| 1442 | @support.bigmemtest(_2G, memuse=2.125) |
| 1443 | def test_count(self, size): |
| 1444 | example = self.example(size) |
| 1445 | self.assertEqual(example.count(0), size//8) |
| 1446 | self.assertEqual(example.count(11), 1) |
| 1447 | |
| 1448 | @support.bigmemtest(_2G, memuse=2.125) |
| 1449 | def test_append(self, size): |
| 1450 | example = self.example(size) |
| 1451 | example.append(12) |
| 1452 | self.assertEqual(example[-1], 12) |
| 1453 | |
| 1454 | @support.bigmemtest(_2G, memuse=2.125) |
| 1455 | def test_extend(self, size): |
| 1456 | example = self.example(size) |
| 1457 | example.extend(iter([12, 13, 14, 15])) |
| 1458 | self.assertEqual(len(example), size+8) |
| 1459 | self.assertEqual(list(example[-8:]), [8, 9, 10, 11, 12, 13, 14, 15]) |
| 1460 | |
| 1461 | @support.bigmemtest(_2G, memuse=2.125) |
| 1462 | def test_frombytes(self, size): |
| 1463 | example = self.example(size) |
| 1464 | example.frombytes(b'abcd') |
| 1465 | self.assertEqual(len(example), size+8) |
| 1466 | self.assertEqual(list(example[-8:]), [8, 9, 10, 11] + list(b'abcd')) |
| 1467 | |
| 1468 | @support.bigmemtest(_2G, memuse=2.125) |
| 1469 | def test_fromlist(self, size): |
| 1470 | example = self.example(size) |
| 1471 | example.fromlist([12, 13, 14, 15]) |
| 1472 | self.assertEqual(len(example), size+8) |
| 1473 | self.assertEqual(list(example[-8:]), [8, 9, 10, 11, 12, 13, 14, 15]) |
| 1474 | |
| 1475 | @support.bigmemtest(_2G, memuse=2.125) |
| 1476 | def test_index(self, size): |
| 1477 | example = self.example(size) |
| 1478 | self.assertEqual(example.index(0), 0) |
| 1479 | self.assertEqual(example.index(1), 1) |
| 1480 | self.assertEqual(example.index(7), 7) |
| 1481 | self.assertEqual(example.index(11), size+3) |
| 1482 | |
| 1483 | @support.bigmemtest(_2G, memuse=2.125) |
| 1484 | def test_insert(self, size): |
| 1485 | example = self.example(size) |
| 1486 | example.insert(0, 12) |
| 1487 | example.insert(10, 13) |
| 1488 | example.insert(size+1, 14) |
| 1489 | self.assertEqual(len(example), size+7) |
| 1490 | self.assertEqual(example[0], 12) |
| 1491 | self.assertEqual(example[10], 13) |
| 1492 | self.assertEqual(example[size+1], 14) |
| 1493 | |
| 1494 | @support.bigmemtest(_2G, memuse=2.125) |
| 1495 | def test_pop(self, size): |
| 1496 | example = self.example(size) |
| 1497 | self.assertEqual(example.pop(0), 0) |
| 1498 | self.assertEqual(example[0], 1) |
| 1499 | self.assertEqual(example.pop(size+1), 10) |
| 1500 | self.assertEqual(example[size+1], 11) |
| 1501 | self.assertEqual(example.pop(1), 2) |
| 1502 | self.assertEqual(example[1], 3) |
| 1503 | self.assertEqual(len(example), size+1) |
| 1504 | self.assertEqual(example.pop(), 11) |
| 1505 | self.assertEqual(len(example), size) |
| 1506 | |
| 1507 | @support.bigmemtest(_2G, memuse=2.125) |
| 1508 | def test_remove(self, size): |
| 1509 | example = self.example(size) |
| 1510 | example.remove(0) |
| 1511 | self.assertEqual(len(example), size+3) |
| 1512 | self.assertEqual(example[0], 1) |
| 1513 | example.remove(10) |
| 1514 | self.assertEqual(len(example), size+2) |
| 1515 | self.assertEqual(example[size], 9) |
| 1516 | self.assertEqual(example[size+1], 11) |
| 1517 | |
| 1518 | @support.bigmemtest(_2G, memuse=2.125) |
| 1519 | def test_reverse(self, size): |
| 1520 | example = self.example(size) |
| 1521 | example.reverse() |
| 1522 | self.assertEqual(len(example), size+4) |
| 1523 | self.assertEqual(example[0], 11) |
| 1524 | self.assertEqual(example[3], 8) |
| 1525 | self.assertEqual(example[-1], 0) |
| 1526 | example.reverse() |
| 1527 | self.assertEqual(len(example), size+4) |
| 1528 | self.assertEqual(list(example[:4]), [0, 1, 2, 3]) |
| 1529 | self.assertEqual(list(example[-4:]), [8, 9, 10, 11]) |
| 1530 | |
| 1531 | # list takes about 9 bytes per element |
| 1532 | @support.bigmemtest(_2G, memuse=2.125+9) |
| 1533 | def test_tolist(self, size): |
| 1534 | example = self.example(size) |
| 1535 | ls = example.tolist() |
| 1536 | self.assertEqual(len(ls), len(example)) |
| 1537 | self.assertEqual(ls[:8], list(example[:8])) |
| 1538 | self.assertEqual(ls[-8:], list(example[-8:])) |
| 1539 | |
Raymond Hettinger | 6ab78cd | 2004-08-29 07:50:43 +0000 | [diff] [blame] | 1540 | if __name__ == "__main__": |
Ezio Melotti | 1d3e96d | 2013-01-10 06:04:50 +0200 | [diff] [blame] | 1541 | unittest.main() |