This file is indexed.

/usr/lib/python3.7/test/test_int.py is in libpython3.7-testsuite 3.7.0~b3-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
import sys

import unittest
from test import support
from test.test_grammar import (VALID_UNDERSCORE_LITERALS,
                               INVALID_UNDERSCORE_LITERALS)

L = [
        ('0', 0),
        ('1', 1),
        ('9', 9),
        ('10', 10),
        ('99', 99),
        ('100', 100),
        ('314', 314),
        (' 314', 314),
        ('314 ', 314),
        ('  \t\t  314  \t\t  ', 314),
        (repr(sys.maxsize), sys.maxsize),
        ('  1x', ValueError),
        ('  1  ', 1),
        ('  1\02  ', ValueError),
        ('', ValueError),
        (' ', ValueError),
        ('  \t\t  ', ValueError),
        ("\u0200", ValueError)
]

class IntSubclass(int):
    pass

class IntTestCases(unittest.TestCase):

    def test_basic(self):
        self.assertEqual(int(314), 314)
        self.assertEqual(int(3.14), 3)
        # Check that conversion from float truncates towards zero
        self.assertEqual(int(-3.14), -3)
        self.assertEqual(int(3.9), 3)
        self.assertEqual(int(-3.9), -3)
        self.assertEqual(int(3.5), 3)
        self.assertEqual(int(-3.5), -3)
        self.assertEqual(int("-3"), -3)
        self.assertEqual(int(" -3 "), -3)
        self.assertEqual(int("\N{EM SPACE}-3\N{EN SPACE}"), -3)
        # Different base:
        self.assertEqual(int("10",16), 16)
        # Test conversion from strings and various anomalies
        for s, v in L:
            for sign in "", "+", "-":
                for prefix in "", " ", "\t", "  \t\t  ":
                    ss = prefix + sign + s
                    vv = v
                    if sign == "-" and v is not ValueError:
                        vv = -v
                    try:
                        self.assertEqual(int(ss), vv)
                    except ValueError:
                        pass

        s = repr(-1-sys.maxsize)
        x = int(s)
        self.assertEqual(x+1, -sys.maxsize)
        self.assertIsInstance(x, int)
        # should return int
        self.assertEqual(int(s[1:]), sys.maxsize+1)

        # should return int
        x = int(1e100)
        self.assertIsInstance(x, int)
        x = int(-1e100)
        self.assertIsInstance(x, int)


        # SF bug 434186:  0x80000000/2 != 0x80000000>>1.
        # Worked by accident in Windows release build, but failed in debug build.
        # Failed in all Linux builds.
        x = -1-sys.maxsize
        self.assertEqual(x >> 1, x//2)

        x = int('1' * 600)
        self.assertIsInstance(x, int)


        self.assertRaises(TypeError, int, 1, 12)

        self.assertEqual(int('0o123', 0), 83)
        self.assertEqual(int('0x123', 16), 291)

        # Bug 1679: "0x" is not a valid hex literal
        self.assertRaises(ValueError, int, "0x", 16)
        self.assertRaises(ValueError, int, "0x", 0)

        self.assertRaises(ValueError, int, "0o", 8)
        self.assertRaises(ValueError, int, "0o", 0)

        self.assertRaises(ValueError, int, "0b", 2)
        self.assertRaises(ValueError, int, "0b", 0)

        # SF bug 1334662: int(string, base) wrong answers
        # Various representations of 2**32 evaluated to 0
        # rather than 2**32 in previous versions

        self.assertEqual(int('100000000000000000000000000000000', 2), 4294967296)
        self.assertEqual(int('102002022201221111211', 3), 4294967296)
        self.assertEqual(int('10000000000000000', 4), 4294967296)
        self.assertEqual(int('32244002423141', 5), 4294967296)
        self.assertEqual(int('1550104015504', 6), 4294967296)
        self.assertEqual(int('211301422354', 7), 4294967296)
        self.assertEqual(int('40000000000', 8), 4294967296)
        self.assertEqual(int('12068657454', 9), 4294967296)
        self.assertEqual(int('4294967296', 10), 4294967296)
        self.assertEqual(int('1904440554', 11), 4294967296)
        self.assertEqual(int('9ba461594', 12), 4294967296)
        self.assertEqual(int('535a79889', 13), 4294967296)
        self.assertEqual(int('2ca5b7464', 14), 4294967296)
        self.assertEqual(int('1a20dcd81', 15), 4294967296)
        self.assertEqual(int('100000000', 16), 4294967296)
        self.assertEqual(int('a7ffda91', 17), 4294967296)
        self.assertEqual(int('704he7g4', 18), 4294967296)
        self.assertEqual(int('4f5aff66', 19), 4294967296)
        self.assertEqual(int('3723ai4g', 20), 4294967296)
        self.assertEqual(int('281d55i4', 21), 4294967296)
        self.assertEqual(int('1fj8b184', 22), 4294967296)
        self.assertEqual(int('1606k7ic', 23), 4294967296)
        self.assertEqual(int('mb994ag', 24), 4294967296)
        self.assertEqual(int('hek2mgl', 25), 4294967296)
        self.assertEqual(int('dnchbnm', 26), 4294967296)
        self.assertEqual(int('b28jpdm', 27), 4294967296)
        self.assertEqual(int('8pfgih4', 28), 4294967296)
        self.assertEqual(int('76beigg', 29), 4294967296)
        self.assertEqual(int('5qmcpqg', 30), 4294967296)
        self.assertEqual(int('4q0jto4', 31), 4294967296)
        self.assertEqual(int('4000000', 32), 4294967296)
        self.assertEqual(int('3aokq94', 33), 4294967296)
        self.assertEqual(int('2qhxjli', 34), 4294967296)
        self.assertEqual(int('2br45qb', 35), 4294967296)
        self.assertEqual(int('1z141z4', 36), 4294967296)

        # tests with base 0
        # this fails on 3.0, but in 2.x the old octal syntax is allowed
        self.assertEqual(int(' 0o123  ', 0), 83)
        self.assertEqual(int(' 0o123  ', 0), 83)
        self.assertEqual(int('000', 0), 0)
        self.assertEqual(int('0o123', 0), 83)
        self.assertEqual(int('0x123', 0), 291)
        self.assertEqual(int('0b100', 0), 4)
        self.assertEqual(int(' 0O123   ', 0), 83)
        self.assertEqual(int(' 0X123  ', 0), 291)
        self.assertEqual(int(' 0B100 ', 0), 4)

        # without base still base 10
        self.assertEqual(int('0123'), 123)
        self.assertEqual(int('0123', 10), 123)

        # tests with prefix and base != 0
        self.assertEqual(int('0x123', 16), 291)
        self.assertEqual(int('0o123', 8), 83)
        self.assertEqual(int('0b100', 2), 4)
        self.assertEqual(int('0X123', 16), 291)
        self.assertEqual(int('0O123', 8), 83)
        self.assertEqual(int('0B100', 2), 4)

        # the code has special checks for the first character after the
        #  type prefix
        self.assertRaises(ValueError, int, '0b2', 2)
        self.assertRaises(ValueError, int, '0b02', 2)
        self.assertRaises(ValueError, int, '0B2', 2)
        self.assertRaises(ValueError, int, '0B02', 2)
        self.assertRaises(ValueError, int, '0o8', 8)
        self.assertRaises(ValueError, int, '0o08', 8)
        self.assertRaises(ValueError, int, '0O8', 8)
        self.assertRaises(ValueError, int, '0O08', 8)
        self.assertRaises(ValueError, int, '0xg', 16)
        self.assertRaises(ValueError, int, '0x0g', 16)
        self.assertRaises(ValueError, int, '0Xg', 16)
        self.assertRaises(ValueError, int, '0X0g', 16)

        # SF bug 1334662: int(string, base) wrong answers
        # Checks for proper evaluation of 2**32 + 1
        self.assertEqual(int('100000000000000000000000000000001', 2), 4294967297)
        self.assertEqual(int('102002022201221111212', 3), 4294967297)
        self.assertEqual(int('10000000000000001', 4), 4294967297)
        self.assertEqual(int('32244002423142', 5), 4294967297)
        self.assertEqual(int('1550104015505', 6), 4294967297)
        self.assertEqual(int('211301422355', 7), 4294967297)
        self.assertEqual(int('40000000001', 8), 4294967297)
        self.assertEqual(int('12068657455', 9), 4294967297)
        self.assertEqual(int('4294967297', 10), 4294967297)
        self.assertEqual(int('1904440555', 11), 4294967297)
        self.assertEqual(int('9ba461595', 12), 4294967297)
        self.assertEqual(int('535a7988a', 13), 4294967297)
        self.assertEqual(int('2ca5b7465', 14), 4294967297)
        self.assertEqual(int('1a20dcd82', 15), 4294967297)
        self.assertEqual(int('100000001', 16), 4294967297)
        self.assertEqual(int('a7ffda92', 17), 4294967297)
        self.assertEqual(int('704he7g5', 18), 4294967297)
        self.assertEqual(int('4f5aff67', 19), 4294967297)
        self.assertEqual(int('3723ai4h', 20), 4294967297)
        self.assertEqual(int('281d55i5', 21), 4294967297)
        self.assertEqual(int('1fj8b185', 22), 4294967297)
        self.assertEqual(int('1606k7id', 23), 4294967297)
        self.assertEqual(int('mb994ah', 24), 4294967297)
        self.assertEqual(int('hek2mgm', 25), 4294967297)
        self.assertEqual(int('dnchbnn', 26), 4294967297)
        self.assertEqual(int('b28jpdn', 27), 4294967297)
        self.assertEqual(int('8pfgih5', 28), 4294967297)
        self.assertEqual(int('76beigh', 29), 4294967297)
        self.assertEqual(int('5qmcpqh', 30), 4294967297)
        self.assertEqual(int('4q0jto5', 31), 4294967297)
        self.assertEqual(int('4000001', 32), 4294967297)
        self.assertEqual(int('3aokq95', 33), 4294967297)
        self.assertEqual(int('2qhxjlj', 34), 4294967297)
        self.assertEqual(int('2br45qc', 35), 4294967297)
        self.assertEqual(int('1z141z5', 36), 4294967297)

    def test_underscores(self):
        for lit in VALID_UNDERSCORE_LITERALS:
            if any(ch in lit for ch in '.eEjJ'):
                continue
            self.assertEqual(int(lit, 0), eval(lit))
            self.assertEqual(int(lit, 0), int(lit.replace('_', ''), 0))
        for lit in INVALID_UNDERSCORE_LITERALS:
            if any(ch in lit for ch in '.eEjJ'):
                continue
            self.assertRaises(ValueError, int, lit, 0)
        # Additional test cases with bases != 0, only for the constructor:
        self.assertEqual(int("1_00", 3), 9)
        self.assertEqual(int("0_100"), 100)  # not valid as a literal!
        self.assertEqual(int(b"1_00"), 100)  # byte underscore
        self.assertRaises(ValueError, int, "_100")
        self.assertRaises(ValueError, int, "+_100")
        self.assertRaises(ValueError, int, "1__00")
        self.assertRaises(ValueError, int, "100_")

    @support.cpython_only
    def test_small_ints(self):
        # Bug #3236: Return small longs from PyLong_FromString
        self.assertIs(int('10'), 10)
        self.assertIs(int('-1'), -1)
        self.assertIs(int(b'10'), 10)
        self.assertIs(int(b'-1'), -1)

    def test_no_args(self):
        self.assertEqual(int(), 0)

    def test_keyword_args(self):
        # Test invoking int() using keyword arguments.
        self.assertEqual(int('100', base=2), 4)
        with self.assertRaisesRegex(TypeError, 'keyword argument'):
            int(x=1.2)
        with self.assertRaisesRegex(TypeError, 'keyword argument'):
            int(x='100', base=2)
        self.assertRaises(TypeError, int, base=10)
        self.assertRaises(TypeError, int, base=0)

    def test_int_base_limits(self):
        """Testing the supported limits of the int() base parameter."""
        self.assertEqual(int('0', 5), 0)
        with self.assertRaises(ValueError):
            int('0', 1)
        with self.assertRaises(ValueError):
            int('0', 37)
        with self.assertRaises(ValueError):
            int('0', -909)  # An old magic value base from Python 2.
        with self.assertRaises(ValueError):
            int('0', base=0-(2**234))
        with self.assertRaises(ValueError):
            int('0', base=2**234)
        # Bases 2 through 36 are supported.
        for base in range(2,37):
            self.assertEqual(int('0', base=base), 0)

    def test_int_base_bad_types(self):
        """Not integer types are not valid bases; issue16772."""
        with self.assertRaises(TypeError):
            int('0', 5.5)
        with self.assertRaises(TypeError):
            int('0', 5.0)

    def test_int_base_indexable(self):
        class MyIndexable(object):
            def __init__(self, value):
                self.value = value
            def __index__(self):
                return self.value

        # Check out of range bases.
        for base in 2**100, -2**100, 1, 37:
            with self.assertRaises(ValueError):
                int('43', base)

        # Check in-range bases.
        self.assertEqual(int('101', base=MyIndexable(2)), 5)
        self.assertEqual(int('101', base=MyIndexable(10)), 101)
        self.assertEqual(int('101', base=MyIndexable(36)), 1 + 36**2)

    def test_non_numeric_input_types(self):
        # Test possible non-numeric types for the argument x, including
        # subclasses of the explicitly documented accepted types.
        class CustomStr(str): pass
        class CustomBytes(bytes): pass
        class CustomByteArray(bytearray): pass

        factories = [
            bytes,
            bytearray,
            lambda b: CustomStr(b.decode()),
            CustomBytes,
            CustomByteArray,
            memoryview,
        ]
        try:
            from array import array
        except ImportError:
            pass
        else:
            factories.append(lambda b: array('B', b))

        for f in factories:
            x = f(b'100')
            with self.subTest(type(x)):
                self.assertEqual(int(x), 100)
                if isinstance(x, (str, bytes, bytearray)):
                    self.assertEqual(int(x, 2), 4)
                else:
                    msg = "can't convert non-string"
                    with self.assertRaisesRegex(TypeError, msg):
                        int(x, 2)
                with self.assertRaisesRegex(ValueError, 'invalid literal'):
                    int(f(b'A' * 0x10))

    def test_int_memoryview(self):
        self.assertEqual(int(memoryview(b'123')[1:3]), 23)
        self.assertEqual(int(memoryview(b'123\x00')[1:3]), 23)
        self.assertEqual(int(memoryview(b'123 ')[1:3]), 23)
        self.assertEqual(int(memoryview(b'123A')[1:3]), 23)
        self.assertEqual(int(memoryview(b'1234')[1:3]), 23)

    def test_string_float(self):
        self.assertRaises(ValueError, int, '1.2')

    def test_intconversion(self):
        # Test __int__()
        class ClassicMissingMethods:
            pass
        self.assertRaises(TypeError, int, ClassicMissingMethods())

        class MissingMethods(object):
            pass
        self.assertRaises(TypeError, int, MissingMethods())

        class Foo0:
            def __int__(self):
                return 42

        self.assertEqual(int(Foo0()), 42)

        class Classic:
            pass
        for base in (object, Classic):
            class IntOverridesTrunc(base):
                def __int__(self):
                    return 42
                def __trunc__(self):
                    return -12
            self.assertEqual(int(IntOverridesTrunc()), 42)

            class JustTrunc(base):
                def __trunc__(self):
                    return 42
            self.assertEqual(int(JustTrunc()), 42)

            class ExceptionalTrunc(base):
                def __trunc__(self):
                    1 / 0
            with self.assertRaises(ZeroDivisionError):
                int(ExceptionalTrunc())

            for trunc_result_base in (object, Classic):
                class Integral(trunc_result_base):
                    def __int__(self):
                        return 42

                class TruncReturnsNonInt(base):
                    def __trunc__(self):
                        return Integral()
                self.assertEqual(int(TruncReturnsNonInt()), 42)

                class NonIntegral(trunc_result_base):
                    def __trunc__(self):
                        # Check that we avoid infinite recursion.
                        return NonIntegral()

                class TruncReturnsNonIntegral(base):
                    def __trunc__(self):
                        return NonIntegral()
                try:
                    int(TruncReturnsNonIntegral())
                except TypeError as e:
                    self.assertEqual(str(e),
                                      "__trunc__ returned non-Integral"
                                      " (type NonIntegral)")
                else:
                    self.fail("Failed to raise TypeError with %s" %
                              ((base, trunc_result_base),))

                # Regression test for bugs.python.org/issue16060.
                class BadInt(trunc_result_base):
                    def __int__(self):
                        return 42.0

                class TruncReturnsBadInt(base):
                    def __trunc__(self):
                        return BadInt()

                with self.assertRaises(TypeError):
                    int(TruncReturnsBadInt())

    def test_int_subclass_with_int(self):
        class MyInt(int):
            def __int__(self):
                return 42

        class BadInt(int):
            def __int__(self):
                return 42.0

        my_int = MyInt(7)
        self.assertEqual(my_int, 7)
        self.assertEqual(int(my_int), 42)

        self.assertRaises(TypeError, int, BadInt())

    def test_int_returns_int_subclass(self):
        class BadInt:
            def __int__(self):
                return True

        class BadInt2(int):
            def __int__(self):
                return True

        class TruncReturnsBadInt:
            def __trunc__(self):
                return BadInt()

        class TruncReturnsIntSubclass:
            def __trunc__(self):
                return True

        bad_int = BadInt()
        with self.assertWarns(DeprecationWarning):
            n = int(bad_int)
        self.assertEqual(n, 1)
        self.assertIs(type(n), int)

        bad_int = BadInt2()
        with self.assertWarns(DeprecationWarning):
            n = int(bad_int)
        self.assertEqual(n, 1)
        self.assertIs(type(n), int)

        bad_int = TruncReturnsBadInt()
        with self.assertWarns(DeprecationWarning):
            n = int(bad_int)
        self.assertEqual(n, 1)
        self.assertIs(type(n), int)

        good_int = TruncReturnsIntSubclass()
        n = int(good_int)
        self.assertEqual(n, 1)
        self.assertIs(type(n), int)
        n = IntSubclass(good_int)
        self.assertEqual(n, 1)
        self.assertIs(type(n), IntSubclass)

    def test_error_message(self):
        def check(s, base=None):
            with self.assertRaises(ValueError,
                                   msg="int(%r, %r)" % (s, base)) as cm:
                if base is None:
                    int(s)
                else:
                    int(s, base)
            self.assertEqual(cm.exception.args[0],
                "invalid literal for int() with base %d: %r" %
                (10 if base is None else base, s))

        check('\xbd')
        check('123\xbd')
        check('  123 456  ')

        check('123\x00')
        # SF bug 1545497: embedded NULs were not detected with explicit base
        check('123\x00', 10)
        check('123\x00 245', 20)
        check('123\x00 245', 16)
        check('123\x00245', 20)
        check('123\x00245', 16)
        # byte string with embedded NUL
        check(b'123\x00')
        check(b'123\x00', 10)
        # non-UTF-8 byte string
        check(b'123\xbd')
        check(b'123\xbd', 10)
        # lone surrogate in Unicode string
        check('123\ud800')
        check('123\ud800', 10)

    def test_issue31619(self):
        self.assertEqual(int('1_0_1_0_1_0_1_0_1_0_1_0_1_0_1_0_1_0_1_0_1_0_1_0_1_0_1_0_1_0_1', 2),
                         0b1010101010101010101010101010101)
        self.assertEqual(int('1_2_3_4_5_6_7_0_1_2_3', 8), 0o12345670123)
        self.assertEqual(int('1_2_3_4_5_6_7_8_9', 16), 0x123456789)
        self.assertEqual(int('1_2_3_4_5_6_7', 32), 1144132807)


if __name__ == "__main__":
    unittest.main()