| 1 | """ |
| 2 | Tests common to list and UserList.UserList |
| 3 | """ |
| 4 | |
| 5 | import sys |
| 6 | import os |
| 7 | |
| 8 | import unittest |
| 9 | from test import test_support, seq_tests |
| 10 | |
| 11 | class CommonTest(seq_tests.CommonTest): |
| 12 | |
| 13 | def test_init(self): |
| 14 | # Iterable arg is optional |
| 15 | self.assertEqual(self.type2test([]), self.type2test()) |
| 16 | |
| 17 | # Init clears previous values |
| 18 | a = self.type2test([1, 2, 3]) |
| 19 | a.__init__() |
| 20 | self.assertEqual(a, self.type2test([])) |
| 21 | |
| 22 | # Init overwrites previous values |
| 23 | a = self.type2test([1, 2, 3]) |
| 24 | a.__init__([4, 5, 6]) |
| 25 | self.assertEqual(a, self.type2test([4, 5, 6])) |
| 26 | |
| 27 | # Mutables always return a new object |
| 28 | b = self.type2test(a) |
| 29 | self.assertNotEqual(id(a), id(b)) |
| 30 | self.assertEqual(a, b) |
| 31 | |
| 32 | def test_repr(self): |
| 33 | l0 = [] |
| 34 | l2 = [0, 1, 2] |
| 35 | a0 = self.type2test(l0) |
| 36 | a2 = self.type2test(l2) |
| 37 | |
| 38 | self.assertEqual(str(a0), str(l0)) |
| 39 | self.assertEqual(repr(a0), repr(l0)) |
| 40 | self.assertEqual(`a2`, `l2`) |
| 41 | self.assertEqual(str(a2), "[0, 1, 2]") |
| 42 | self.assertEqual(repr(a2), "[0, 1, 2]") |
| 43 | |
| 44 | a2.append(a2) |
| 45 | a2.append(3) |
| 46 | self.assertEqual(str(a2), "[0, 1, 2, [...], 3]") |
| 47 | self.assertEqual(repr(a2), "[0, 1, 2, [...], 3]") |
| 48 | |
| 49 | def test_print(self): |
| 50 | d = self.type2test(xrange(200)) |
| 51 | d.append(d) |
| 52 | d.extend(xrange(200,400)) |
| 53 | d.append(d) |
| 54 | d.append(400) |
| 55 | try: |
| 56 | fo = open(test_support.TESTFN, "wb") |
| 57 | print >> fo, d, |
| 58 | fo.close() |
| 59 | fo = open(test_support.TESTFN, "rb") |
| 60 | self.assertEqual(fo.read(), repr(d)) |
| 61 | finally: |
| 62 | fo.close() |
| 63 | os.remove(test_support.TESTFN) |
| 64 | |
| 65 | def test_set_subscript(self): |
| 66 | a = self.type2test(range(20)) |
| 67 | self.assertRaises(ValueError, a.__setitem__, slice(0, 10, 0), [1,2,3]) |
| 68 | self.assertRaises(TypeError, a.__setitem__, slice(0, 10), 1) |
| 69 | self.assertRaises(ValueError, a.__setitem__, slice(0, 10, 2), [1,2]) |
| 70 | self.assertRaises(TypeError, a.__getitem__, 'x', 1) |
| 71 | a[slice(2,10,3)] = [1,2,3] |
| 72 | self.assertEqual(a, self.type2test([0, 1, 1, 3, 4, 2, 6, 7, 3, |
| 73 | 9, 10, 11, 12, 13, 14, 15, |
| 74 | 16, 17, 18, 19])) |
| 75 | |
| 76 | def test_reversed(self): |
| 77 | a = self.type2test(range(20)) |
| 78 | r = reversed(a) |
| 79 | self.assertEqual(list(r), self.type2test(range(19, -1, -1))) |
| 80 | self.assertRaises(StopIteration, r.next) |
| 81 | self.assertEqual(list(reversed(self.type2test())), |
| 82 | self.type2test()) |
| 83 | |
| 84 | def test_setitem(self): |
| 85 | a = self.type2test([0, 1]) |
| 86 | a[0] = 0 |
| 87 | a[1] = 100 |
| 88 | self.assertEqual(a, self.type2test([0, 100])) |
| 89 | a[-1] = 200 |
| 90 | self.assertEqual(a, self.type2test([0, 200])) |
| 91 | a[-2] = 100 |
| 92 | self.assertEqual(a, self.type2test([100, 200])) |
| 93 | self.assertRaises(IndexError, a.__setitem__, -3, 200) |
| 94 | self.assertRaises(IndexError, a.__setitem__, 2, 200) |
| 95 | |
| 96 | a = self.type2test([]) |
| 97 | self.assertRaises(IndexError, a.__setitem__, 0, 200) |
| 98 | self.assertRaises(IndexError, a.__setitem__, -1, 200) |
| 99 | self.assertRaises(TypeError, a.__setitem__) |
| 100 | |
| 101 | a = self.type2test([0,1,2,3,4]) |
| 102 | a[0L] = 1 |
| 103 | a[1L] = 2 |
| 104 | a[2L] = 3 |
| 105 | self.assertEqual(a, self.type2test([1,2,3,3,4])) |
| 106 | a[0] = 5 |
| 107 | a[1] = 6 |
| 108 | a[2] = 7 |
| 109 | self.assertEqual(a, self.type2test([5,6,7,3,4])) |
| 110 | a[-2L] = 88 |
| 111 | a[-1L] = 99 |
| 112 | self.assertEqual(a, self.type2test([5,6,7,88,99])) |
| 113 | a[-2] = 8 |
| 114 | a[-1] = 9 |
| 115 | self.assertEqual(a, self.type2test([5,6,7,8,9])) |
| 116 | |
| 117 | def test_delitem(self): |
| 118 | a = self.type2test([0, 1]) |
| 119 | del a[1] |
| 120 | self.assertEqual(a, [0]) |
| 121 | del a[0] |
| 122 | self.assertEqual(a, []) |
| 123 | |
| 124 | a = self.type2test([0, 1]) |
| 125 | del a[-2] |
| 126 | self.assertEqual(a, [1]) |
| 127 | del a[-1] |
| 128 | self.assertEqual(a, []) |
| 129 | |
| 130 | a = self.type2test([0, 1]) |
| 131 | self.assertRaises(IndexError, a.__delitem__, -3) |
| 132 | self.assertRaises(IndexError, a.__delitem__, 2) |
| 133 | |
| 134 | a = self.type2test([]) |
| 135 | self.assertRaises(IndexError, a.__delitem__, 0) |
| 136 | |
| 137 | self.assertRaises(TypeError, a.__delitem__) |
| 138 | |
| 139 | def test_setslice(self): |
| 140 | l = [0, 1] |
| 141 | a = self.type2test(l) |
| 142 | |
| 143 | for i in range(-3, 4): |
| 144 | a[:i] = l[:i] |
| 145 | self.assertEqual(a, l) |
| 146 | a2 = a[:] |
| 147 | a2[:i] = a[:i] |
| 148 | self.assertEqual(a2, a) |
| 149 | a[i:] = l[i:] |
| 150 | self.assertEqual(a, l) |
| 151 | a2 = a[:] |
| 152 | a2[i:] = a[i:] |
| 153 | self.assertEqual(a2, a) |
| 154 | for j in range(-3, 4): |
| 155 | a[i:j] = l[i:j] |
| 156 | self.assertEqual(a, l) |
| 157 | a2 = a[:] |
| 158 | a2[i:j] = a[i:j] |
| 159 | self.assertEqual(a2, a) |
| 160 | |
| 161 | aa2 = a2[:] |
| 162 | aa2[:0] = [-2, -1] |
| 163 | self.assertEqual(aa2, [-2, -1, 0, 1]) |
| 164 | aa2[0:] = [] |
| 165 | self.assertEqual(aa2, []) |
| 166 | |
| 167 | a = self.type2test([1, 2, 3, 4, 5]) |
| 168 | a[:-1] = a |
| 169 | self.assertEqual(a, self.type2test([1, 2, 3, 4, 5, 5])) |
| 170 | a = self.type2test([1, 2, 3, 4, 5]) |
| 171 | a[1:] = a |
| 172 | self.assertEqual(a, self.type2test([1, 1, 2, 3, 4, 5])) |
| 173 | a = self.type2test([1, 2, 3, 4, 5]) |
| 174 | a[1:-1] = a |
| 175 | self.assertEqual(a, self.type2test([1, 1, 2, 3, 4, 5, 5])) |
| 176 | |
| 177 | a = self.type2test([]) |
| 178 | a[:] = tuple(range(10)) |
| 179 | self.assertEqual(a, self.type2test(range(10))) |
| 180 | |
| 181 | self.assertRaises(TypeError, a.__setslice__, 0, 1, 5) |
| 182 | |
| 183 | self.assertRaises(TypeError, a.__setslice__) |
| 184 | |
| 185 | def test_delslice(self): |
| 186 | a = self.type2test([0, 1]) |
| 187 | del a[1:2] |
| 188 | del a[0:1] |
| 189 | self.assertEqual(a, self.type2test([])) |
| 190 | |
| 191 | a = self.type2test([0, 1]) |
| 192 | del a[1L:2L] |
| 193 | del a[0L:1L] |
| 194 | self.assertEqual(a, self.type2test([])) |
| 195 | |
| 196 | a = self.type2test([0, 1]) |
| 197 | del a[-2:-1] |
| 198 | self.assertEqual(a, self.type2test([1])) |
| 199 | |
| 200 | a = self.type2test([0, 1]) |
| 201 | del a[-2L:-1L] |
| 202 | self.assertEqual(a, self.type2test([1])) |
| 203 | |
| 204 | a = self.type2test([0, 1]) |
| 205 | del a[1:] |
| 206 | del a[:1] |
| 207 | self.assertEqual(a, self.type2test([])) |
| 208 | |
| 209 | a = self.type2test([0, 1]) |
| 210 | del a[1L:] |
| 211 | del a[:1L] |
| 212 | self.assertEqual(a, self.type2test([])) |
| 213 | |
| 214 | a = self.type2test([0, 1]) |
| 215 | del a[-1:] |
| 216 | self.assertEqual(a, self.type2test([0])) |
| 217 | |
| 218 | a = self.type2test([0, 1]) |
| 219 | del a[-1L:] |
| 220 | self.assertEqual(a, self.type2test([0])) |
| 221 | |
| 222 | a = self.type2test([0, 1]) |
| 223 | del a[:] |
| 224 | self.assertEqual(a, self.type2test([])) |
| 225 | |
| 226 | def test_append(self): |
| 227 | a = self.type2test([]) |
| 228 | a.append(0) |
| 229 | a.append(1) |
| 230 | a.append(2) |
| 231 | self.assertEqual(a, self.type2test([0, 1, 2])) |
| 232 | |
| 233 | self.assertRaises(TypeError, a.append) |
| 234 | |
| 235 | def test_extend(self): |
| 236 | a1 = self.type2test([0]) |
| 237 | a2 = self.type2test((0, 1)) |
| 238 | a = a1[:] |
| 239 | a.extend(a2) |
| 240 | self.assertEqual(a, a1 + a2) |
| 241 | |
| 242 | a.extend(self.type2test([])) |
| 243 | self.assertEqual(a, a1 + a2) |
| 244 | |
| 245 | a.extend(a) |
| 246 | self.assertEqual(a, self.type2test([0, 0, 1, 0, 0, 1])) |
| 247 | |
| 248 | a = self.type2test("spam") |
| 249 | a.extend("eggs") |
| 250 | self.assertEqual(a, list("spameggs")) |
| 251 | |
| 252 | self.assertRaises(TypeError, a.extend, None) |
| 253 | |
| 254 | self.assertRaises(TypeError, a.extend) |
| 255 | |
| 256 | def test_insert(self): |
| 257 | a = self.type2test([0, 1, 2]) |
| 258 | a.insert(0, -2) |
| 259 | a.insert(1, -1) |
| 260 | a.insert(2, 0) |
| 261 | self.assertEqual(a, [-2, -1, 0, 0, 1, 2]) |
| 262 | |
| 263 | b = a[:] |
| 264 | b.insert(-2, "foo") |
| 265 | b.insert(-200, "left") |
| 266 | b.insert(200, "right") |
| 267 | self.assertEqual(b, self.type2test(["left",-2,-1,0,0,"foo",1,2,"right"])) |
| 268 | |
| 269 | self.assertRaises(TypeError, a.insert) |
| 270 | |
| 271 | def test_pop(self): |
| 272 | from decimal import Decimal |
| 273 | a = self.type2test([-1, 0, 1]) |
| 274 | a.pop() |
| 275 | self.assertEqual(a, [-1, 0]) |
| 276 | a.pop(0) |
| 277 | self.assertEqual(a, [0]) |
| 278 | self.assertRaises(IndexError, a.pop, 5) |
| 279 | a.pop(0) |
| 280 | self.assertEqual(a, []) |
| 281 | self.assertRaises(IndexError, a.pop) |
| 282 | self.assertRaises(TypeError, a.pop, 42, 42) |
| 283 | a = self.type2test([0, 10, 20, 30, 40]) |
| 284 | self.assertEqual(a.pop(Decimal(2)), 20) |
| 285 | self.assertRaises(IndexError, a.pop, Decimal(25)) |
| 286 | |
| 287 | def test_remove(self): |
| 288 | a = self.type2test([0, 0, 1]) |
| 289 | a.remove(1) |
| 290 | self.assertEqual(a, [0, 0]) |
| 291 | a.remove(0) |
| 292 | self.assertEqual(a, [0]) |
| 293 | a.remove(0) |
| 294 | self.assertEqual(a, []) |
| 295 | |
| 296 | self.assertRaises(ValueError, a.remove, 0) |
| 297 | |
| 298 | self.assertRaises(TypeError, a.remove) |
| 299 | |
| 300 | class BadExc(Exception): |
| 301 | pass |
| 302 | |
| 303 | class BadCmp: |
| 304 | def __eq__(self, other): |
| 305 | if other == 2: |
| 306 | raise BadExc() |
| 307 | return False |
| 308 | |
| 309 | a = self.type2test([0, 1, 2, 3]) |
| 310 | self.assertRaises(BadExc, a.remove, BadCmp()) |
| 311 | |
| 312 | def test_count(self): |
| 313 | a = self.type2test([0, 1, 2])*3 |
| 314 | self.assertEqual(a.count(0), 3) |
| 315 | self.assertEqual(a.count(1), 3) |
| 316 | self.assertEqual(a.count(3), 0) |
| 317 | |
| 318 | self.assertRaises(TypeError, a.count) |
| 319 | |
| 320 | class BadExc(Exception): |
| 321 | pass |
| 322 | |
| 323 | class BadCmp: |
| 324 | def __eq__(self, other): |
| 325 | if other == 2: |
| 326 | raise BadExc() |
| 327 | return False |
| 328 | |
| 329 | self.assertRaises(BadExc, a.count, BadCmp()) |
| 330 | |
| 331 | def test_index(self): |
| 332 | u = self.type2test([0, 1]) |
| 333 | self.assertEqual(u.index(0), 0) |
| 334 | self.assertEqual(u.index(1), 1) |
| 335 | self.assertRaises(ValueError, u.index, 2) |
| 336 | |
| 337 | u = self.type2test([-2, -1, 0, 0, 1, 2]) |
| 338 | self.assertEqual(u.count(0), 2) |
| 339 | self.assertEqual(u.index(0), 2) |
| 340 | self.assertEqual(u.index(0, 2), 2) |
| 341 | self.assertEqual(u.index(-2, -10), 0) |
| 342 | self.assertEqual(u.index(0, 3), 3) |
| 343 | self.assertEqual(u.index(0, 3, 4), 3) |
| 344 | self.assertRaises(ValueError, u.index, 2, 0, -10) |
| 345 | |
| 346 | self.assertRaises(TypeError, u.index) |
| 347 | |
| 348 | class BadExc(Exception): |
| 349 | pass |
| 350 | |
| 351 | class BadCmp: |
| 352 | def __eq__(self, other): |
| 353 | if other == 2: |
| 354 | raise BadExc() |
| 355 | return False |
| 356 | |
| 357 | a = self.type2test([0, 1, 2, 3]) |
| 358 | self.assertRaises(BadExc, a.index, BadCmp()) |
| 359 | |
| 360 | a = self.type2test([-2, -1, 0, 0, 1, 2]) |
| 361 | self.assertEqual(a.index(0), 2) |
| 362 | self.assertEqual(a.index(0, 2), 2) |
| 363 | self.assertEqual(a.index(0, -4), 2) |
| 364 | self.assertEqual(a.index(-2, -10), 0) |
| 365 | self.assertEqual(a.index(0, 3), 3) |
| 366 | self.assertEqual(a.index(0, -3), 3) |
| 367 | self.assertEqual(a.index(0, 3, 4), 3) |
| 368 | self.assertEqual(a.index(0, -3, -2), 3) |
| 369 | self.assertEqual(a.index(0, -4*sys.maxint, 4*sys.maxint), 2) |
| 370 | self.assertRaises(ValueError, a.index, 0, 4*sys.maxint,-4*sys.maxint) |
| 371 | self.assertRaises(ValueError, a.index, 2, 0, -10) |
| 372 | a.remove(0) |
| 373 | self.assertRaises(ValueError, a.index, 2, 0, 4) |
| 374 | self.assertEqual(a, self.type2test([-2, -1, 0, 1, 2])) |
| 375 | |
| 376 | # Test modifying the list during index's iteration |
| 377 | class EvilCmp: |
| 378 | def __init__(self, victim): |
| 379 | self.victim = victim |
| 380 | def __eq__(self, other): |
| 381 | del self.victim[:] |
| 382 | return False |
| 383 | a = self.type2test() |
| 384 | a[:] = [EvilCmp(a) for _ in xrange(100)] |
| 385 | # This used to seg fault before patch #1005778 |
| 386 | self.assertRaises(ValueError, a.index, None) |
| 387 | |
| 388 | def test_reverse(self): |
| 389 | u = self.type2test([-2, -1, 0, 1, 2]) |
| 390 | u2 = u[:] |
| 391 | u.reverse() |
| 392 | self.assertEqual(u, [2, 1, 0, -1, -2]) |
| 393 | u.reverse() |
| 394 | self.assertEqual(u, u2) |
| 395 | |
| 396 | self.assertRaises(TypeError, u.reverse, 42) |
| 397 | |
| 398 | def test_sort(self): |
| 399 | u = self.type2test([1, 0]) |
| 400 | u.sort() |
| 401 | self.assertEqual(u, [0, 1]) |
| 402 | |
| 403 | u = self.type2test([2,1,0,-1,-2]) |
| 404 | u.sort() |
| 405 | self.assertEqual(u, self.type2test([-2,-1,0,1,2])) |
| 406 | |
| 407 | self.assertRaises(TypeError, u.sort, 42, 42) |
| 408 | |
| 409 | def revcmp(a, b): |
| 410 | return cmp(b, a) |
| 411 | u.sort(revcmp) |
| 412 | self.assertEqual(u, self.type2test([2,1,0,-1,-2])) |
| 413 | |
| 414 | # The following dumps core in unpatched Python 1.5: |
| 415 | def myComparison(x,y): |
| 416 | return cmp(x%3, y%7) |
| 417 | z = self.type2test(range(12)) |
| 418 | z.sort(myComparison) |
| 419 | |
| 420 | self.assertRaises(TypeError, z.sort, 2) |
| 421 | |
| 422 | def selfmodifyingComparison(x,y): |
| 423 | z.append(1) |
| 424 | return cmp(x, y) |
| 425 | self.assertRaises(ValueError, z.sort, selfmodifyingComparison) |
| 426 | |
| 427 | self.assertRaises(TypeError, z.sort, lambda x, y: 's') |
| 428 | |
| 429 | self.assertRaises(TypeError, z.sort, 42, 42, 42, 42) |
| 430 | |
| 431 | def test_slice(self): |
| 432 | u = self.type2test("spam") |
| 433 | u[:2] = "h" |
| 434 | self.assertEqual(u, list("ham")) |
| 435 | |
| 436 | def test_iadd(self): |
| 437 | super(CommonTest, self).test_iadd() |
| 438 | u = self.type2test([0, 1]) |
| 439 | u2 = u |
| 440 | u += [2, 3] |
| 441 | self.assert_(u is u2) |
| 442 | |
| 443 | u = self.type2test("spam") |
| 444 | u += "eggs" |
| 445 | self.assertEqual(u, self.type2test("spameggs")) |
| 446 | |
| 447 | self.assertRaises(TypeError, u.__iadd__, None) |
| 448 | |
| 449 | def test_imul(self): |
| 450 | u = self.type2test([0, 1]) |
| 451 | u *= 3 |
| 452 | self.assertEqual(u, self.type2test([0, 1, 0, 1, 0, 1])) |
| 453 | u *= 0 |
| 454 | self.assertEqual(u, self.type2test([])) |
| 455 | s = self.type2test([]) |
| 456 | oldid = id(s) |
| 457 | s *= 10 |
| 458 | self.assertEqual(id(s), oldid) |
| 459 | |
| 460 | def test_extendedslicing(self): |
| 461 | # subscript |
| 462 | a = self.type2test([0,1,2,3,4]) |
| 463 | |
| 464 | # deletion |
| 465 | del a[::2] |
| 466 | self.assertEqual(a, self.type2test([1,3])) |
| 467 | a = self.type2test(range(5)) |
| 468 | del a[1::2] |
| 469 | self.assertEqual(a, self.type2test([0,2,4])) |
| 470 | a = self.type2test(range(5)) |
| 471 | del a[1::-2] |
| 472 | self.assertEqual(a, self.type2test([0,2,3,4])) |
| 473 | a = self.type2test(range(10)) |
| 474 | del a[::1000] |
| 475 | self.assertEqual(a, self.type2test([1, 2, 3, 4, 5, 6, 7, 8, 9])) |
| 476 | # assignment |
| 477 | a = self.type2test(range(10)) |
| 478 | a[::2] = [-1]*5 |
| 479 | self.assertEqual(a, self.type2test([-1, 1, -1, 3, -1, 5, -1, 7, -1, 9])) |
| 480 | a = self.type2test(range(10)) |
| 481 | a[::-4] = [10]*3 |
| 482 | self.assertEqual(a, self.type2test([0, 10, 2, 3, 4, 10, 6, 7, 8 ,10])) |
| 483 | a = self.type2test(range(4)) |
| 484 | a[::-1] = a |
| 485 | self.assertEqual(a, self.type2test([3, 2, 1, 0])) |
| 486 | a = self.type2test(range(10)) |
| 487 | b = a[:] |
| 488 | c = a[:] |
| 489 | a[2:3] = self.type2test(["two", "elements"]) |
| 490 | b[slice(2,3)] = self.type2test(["two", "elements"]) |
| 491 | c[2:3:] = self.type2test(["two", "elements"]) |
| 492 | self.assertEqual(a, b) |
| 493 | self.assertEqual(a, c) |
| 494 | a = self.type2test(range(10)) |
| 495 | a[::2] = tuple(range(5)) |
| 496 | self.assertEqual(a, self.type2test([0, 1, 1, 3, 2, 5, 3, 7, 4, 9])) |
| 497 | |
| 498 | def test_constructor_exception_handling(self): |
| 499 | # Bug #1242657 |
| 500 | class F(object): |
| 501 | def __iter__(self): |
| 502 | yield 23 |
| 503 | def __len__(self): |
| 504 | raise KeyboardInterrupt |
| 505 | self.assertRaises(KeyboardInterrupt, list, F()) |