Skip to content
Navigation Menu
{{ message }}
forked from RustPython/RustPython
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathstring_tests.py
More file actions
1550 lines (1347 loc) · 71.6 KB
/
Copy pathstring_tests.py
File metadata and controls
1550 lines (1347 loc) · 71.6 KB
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
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
"""
Common tests shared by test_unicode, test_userstring and test_bytes.
"""
import unittest, string, sys, struct
from test import support
from test.support import import_helper
from collections import UserList
import random
class Sequence:
def __init__(self, seq='wxyz'): self.seq = seq
def __len__(self): return len(self.seq)
def __getitem__(self, i): return self.seq[i]
class BaseTest:
# These tests are for buffers of values (bytes) and not
# specific to character interpretation, used for bytes objects
# and various string implementations
# The type to be tested
# Change in subclasses to change the behaviour of fixtype()
type2test = None
# Whether the "contained items" of the container are integers in
# range(0, 256) (i.e. bytes, bytearray) or strings of length 1
# (str)
contains_bytes = False
# All tests pass their arguments to the testing methods
# as str objects. fixtype() can be used to propagate
# these arguments to the appropriate type
def fixtype(self, obj):
if isinstance(obj, str):
return self.__class__.type2test(obj)
elif isinstance(obj, list):
return [self.fixtype(x) for x in obj]
elif isinstance(obj, tuple):
return tuple([self.fixtype(x) for x in obj])
elif isinstance(obj, dict):
return dict([
(self.fixtype(key), self.fixtype(value))
for (key, value) in obj.items()
])
else:
return obj
def test_fixtype(self):
self.assertIs(type(self.fixtype("123")), self.type2test)
# check that obj.method(*args) returns result
def checkequal(self, result, obj, methodname, *args, **kwargs):
result = self.fixtype(result)
obj = self.fixtype(obj)
args = self.fixtype(args)
kwargs = {k: self.fixtype(v) for k,v in kwargs.items()}
realresult = getattr(obj, methodname)(*args, **kwargs)
self.assertEqual(
result,
realresult
)
# if the original is returned make sure that
# this doesn't happen with subclasses
if obj is realresult:
try:
class subtype(self.__class__.type2test):
pass
except TypeError:
pass # Skip this if we can't subclass
else:
obj = subtype(obj)
realresult = getattr(obj, methodname)(*args)
self.assertIsNot(obj, realresult)
# check that obj.method(*args) raises exc
def checkraises(self, exc, obj, methodname, *args, expected_msg=None):
obj = self.fixtype(obj)
args = self.fixtype(args)
with self.assertRaises(exc) as cm:
getattr(obj, methodname)(*args)
self.assertNotEqual(str(cm.exception), '')
if expected_msg is not None:
self.assertEqual(str(cm.exception), expected_msg)
# call obj.method(*args) without any checks
def checkcall(self, obj, methodname, *args):
obj = self.fixtype(obj)
args = self.fixtype(args)
getattr(obj, methodname)(*args)
def test_count(self):
self.checkequal(3, 'aaa', 'count', 'a')
self.checkequal(0, 'aaa', 'count', 'b')
self.checkequal(3, 'aaa', 'count', 'a')
self.checkequal(0, 'aaa', 'count', 'b')
self.checkequal(3, 'aaa', 'count', 'a')
self.checkequal(0, 'aaa', 'count', 'b')
self.checkequal(0, 'aaa', 'count', 'b')
self.checkequal(2, 'aaa', 'count', 'a', 1)
self.checkequal(0, 'aaa', 'count', 'a', 10)
self.checkequal(1, 'aaa', 'count', 'a', -1)
self.checkequal(3, 'aaa', 'count', 'a', -10)
self.checkequal(1, 'aaa', 'count', 'a', 0, 1)
self.checkequal(3, 'aaa', 'count', 'a', 0, 10)
self.checkequal(2, 'aaa', 'count', 'a', 0, -1)
self.checkequal(0, 'aaa', 'count', 'a', 0, -10)
self.checkequal(3, 'aaa', 'count', '', 1)
self.checkequal(1, 'aaa', 'count', '', 3)
self.checkequal(0, 'aaa', 'count', '', 10)
self.checkequal(2, 'aaa', 'count', '', -1)
self.checkequal(4, 'aaa', 'count', '', -10)
self.checkequal(1, '', 'count', '')
self.checkequal(0, '', 'count', '', 1, 1)
self.checkequal(0, '', 'count', '', sys.maxsize, 0)
self.checkequal(0, '', 'count', 'xx')
self.checkequal(0, '', 'count', 'xx', 1, 1)
self.checkequal(0, '', 'count', 'xx', sys.maxsize, 0)
self.checkraises(TypeError, 'hello', 'count')
if self.contains_bytes:
self.checkequal(0, 'hello', 'count', 42)
else:
self.checkraises(TypeError, 'hello', 'count', 42)
# For a variety of combinations,
# verify that str.count() matches an equivalent function
# replacing all occurrences and then differencing the string lengths
charset = ['', 'a', 'b']
digits = 7
base = len(charset)
teststrings = set()
for i in range(base ** digits):
entry = []
for j in range(digits):
i, m = divmod(i, base)
entry.append(charset[m])
teststrings.add(''.join(entry))
teststrings = [self.fixtype(ts) for ts in teststrings]
for i in teststrings:
n = len(i)
for j in teststrings:
r1 = i.count(j)
if j:
r2, rem = divmod(n - len(i.replace(j, self.fixtype(''))),
len(j))
else:
r2, rem = len(i)+1, 0
if rem or r1 != r2:
self.assertEqual(rem, 0, '%s != 0 for %s' % (rem, i))
self.assertEqual(r1, r2, '%s != %s for %s' % (r1, r2, i))
def test_count_keyword(self):
self.assertEqual('aa'.replace('a', 'b', 0), 'aa'.replace('a', 'b', count=0))
self.assertEqual('aa'.replace('a', 'b', 1), 'aa'.replace('a', 'b', count=1))
self.assertEqual('aa'.replace('a', 'b', 2), 'aa'.replace('a', 'b', count=2))
self.assertEqual('aa'.replace('a', 'b', 3), 'aa'.replace('a', 'b', count=3))
def test_find(self):
self.checkequal(0, 'abcdefghiabc', 'find', 'abc')
self.checkequal(9, 'abcdefghiabc', 'find', 'abc', 1)
self.checkequal(-1, 'abcdefghiabc', 'find', 'def', 4)
self.checkequal(0, 'abc', 'find', '', 0)
self.checkequal(3, 'abc', 'find', '', 3)
self.checkequal(-1, 'abc', 'find', '', 4)
# to check the ability to pass None as defaults
self.checkequal( 2, 'rrarrrrrrrrra', 'find', 'a')
self.checkequal(12, 'rrarrrrrrrrra', 'find', 'a', 4)
self.checkequal(-1, 'rrarrrrrrrrra', 'find', 'a', 4, 6)
self.checkequal(12, 'rrarrrrrrrrra', 'find', 'a', 4, None)
self.checkequal( 2, 'rrarrrrrrrrra', 'find', 'a', None, 6)
self.checkraises(TypeError, 'hello', 'find')
if self.contains_bytes:
self.checkequal(-1, 'hello', 'find', 42)
else:
self.checkraises(TypeError, 'hello', 'find', 42)
self.checkequal(0, '', 'find', '')
self.checkequal(-1, '', 'find', '', 1, 1)
self.checkequal(-1, '', 'find', '', sys.maxsize, 0)
self.checkequal(-1, '', 'find', 'xx')
self.checkequal(-1, '', 'find', 'xx', 1, 1)
self.checkequal(-1, '', 'find', 'xx', sys.maxsize, 0)
# issue 7458
self.checkequal(-1, 'ab', 'find', 'xxx', sys.maxsize + 1, 0)
# For a variety of combinations,
# verify that str.find() matches __contains__
# and that the found substring is really at that location
charset = ['', 'a', 'b', 'c']
digits = 5
base = len(charset)
teststrings = set()
for i in range(base ** digits):
entry = []
for j in range(digits):
i, m = divmod(i, base)
entry.append(charset[m])
teststrings.add(''.join(entry))
teststrings = [self.fixtype(ts) for ts in teststrings]
for i in teststrings:
for j in teststrings:
loc = i.find(j)
r1 = (loc != -1)
r2 = j in i
self.assertEqual(r1, r2)
if loc != -1:
self.assertEqual(i[loc:loc+len(j)], j)
def test_rfind(self):
self.checkequal(9, 'abcdefghiabc', 'rfind', 'abc')
self.checkequal(12, 'abcdefghiabc', 'rfind', '')
self.checkequal(0, 'abcdefghiabc', 'rfind', 'abcd')
self.checkequal(-1, 'abcdefghiabc', 'rfind', 'abcz')
self.checkequal(3, 'abc', 'rfind', '', 0)
self.checkequal(3, 'abc', 'rfind', '', 3)
self.checkequal(-1, 'abc', 'rfind', '', 4)
# to check the ability to pass None as defaults
self.checkequal(12, 'rrarrrrrrrrra', 'rfind', 'a')
self.checkequal(12, 'rrarrrrrrrrra', 'rfind', 'a', 4)
self.checkequal(-1, 'rrarrrrrrrrra', 'rfind', 'a', 4, 6)
self.checkequal(12, 'rrarrrrrrrrra', 'rfind', 'a', 4, None)
self.checkequal( 2, 'rrarrrrrrrrra', 'rfind', 'a', None, 6)
self.checkraises(TypeError, 'hello', 'rfind')
if self.contains_bytes:
self.checkequal(-1, 'hello', 'rfind', 42)
else:
self.checkraises(TypeError, 'hello', 'rfind', 42)
# For a variety of combinations,
# verify that str.rfind() matches __contains__
# and that the found substring is really at that location
charset = ['', 'a', 'b', 'c']
digits = 5
base = len(charset)
teststrings = set()
for i in range(base ** digits):
entry = []
for j in range(digits):
i, m = divmod(i, base)
entry.append(charset[m])
teststrings.add(''.join(entry))
teststrings = [self.fixtype(ts) for ts in teststrings]
for i in teststrings:
for j in teststrings:
loc = i.rfind(j)
r1 = (loc != -1)
r2 = j in i
self.assertEqual(r1, r2)
if loc != -1:
self.assertEqual(i[loc:loc+len(j)], j)
# issue 7458
self.checkequal(-1, 'ab', 'rfind', 'xxx', sys.maxsize + 1, 0)
# issue #15534
self.checkequal(0, '<......\u043c...', "rfind", "<")
def test_index(self):
self.checkequal(0, 'abcdefghiabc', 'index', '')
self.checkequal(3, 'abcdefghiabc', 'index', 'def')
self.checkequal(0, 'abcdefghiabc', 'index', 'abc')
self.checkequal(9, 'abcdefghiabc', 'index', 'abc', 1)
self.checkraises(ValueError, 'abcdefghiabc', 'index', 'hib')
self.checkraises(ValueError, 'abcdefghiab', 'index', 'abc', 1)
self.checkraises(ValueError, 'abcdefghi', 'index', 'ghi', 8)
self.checkraises(ValueError, 'abcdefghi', 'index', 'ghi', -1)
# to check the ability to pass None as defaults
self.checkequal( 2, 'rrarrrrrrrrra', 'index', 'a')
self.checkequal(12, 'rrarrrrrrrrra', 'index', 'a', 4)
self.checkraises(ValueError, 'rrarrrrrrrrra', 'index', 'a', 4, 6)
self.checkequal(12, 'rrarrrrrrrrra', 'index', 'a', 4, None)
self.checkequal( 2, 'rrarrrrrrrrra', 'index', 'a', None, 6)
self.checkraises(TypeError, 'hello', 'index')
if self.contains_bytes:
self.checkraises(ValueError, 'hello', 'index', 42)
else:
self.checkraises(TypeError, 'hello', 'index', 42)
def test_rindex(self):
self.checkequal(12, 'abcdefghiabc', 'rindex', '')
self.checkequal(3, 'abcdefghiabc', 'rindex', 'def')
self.checkequal(9, 'abcdefghiabc', 'rindex', 'abc')
self.checkequal(0, 'abcdefghiabc', 'rindex', 'abc', 0, -1)
self.checkraises(ValueError, 'abcdefghiabc', 'rindex', 'hib')
self.checkraises(ValueError, 'defghiabc', 'rindex', 'def', 1)
self.checkraises(ValueError, 'defghiabc', 'rindex', 'abc', 0, -1)
self.checkraises(ValueError, 'abcdefghi', 'rindex', 'ghi', 0, 8)
self.checkraises(ValueError, 'abcdefghi', 'rindex', 'ghi', 0, -1)
# to check the ability to pass None as defaults
self.checkequal(12, 'rrarrrrrrrrra', 'rindex', 'a')
self.checkequal(12, 'rrarrrrrrrrra', 'rindex', 'a', 4)
self.checkraises(ValueError, 'rrarrrrrrrrra', 'rindex', 'a', 4, 6)
self.checkequal(12, 'rrarrrrrrrrra', 'rindex', 'a', 4, None)
self.checkequal( 2, 'rrarrrrrrrrra', 'rindex', 'a', None, 6)
self.checkraises(TypeError, 'hello', 'rindex')
if self.contains_bytes:
self.checkraises(ValueError, 'hello', 'rindex', 42)
else:
self.checkraises(TypeError, 'hello', 'rindex', 42)
def test_find_periodic_pattern(self):
"""Cover the special path for periodic patterns."""
def reference_find(p, s):
for i in range(len(s)):
if s.startswith(p, i):
return i
if p == '' and s == '':
return 0
return -1
def check_pattern(rr):
choices = random.choices
p0 = ''.join(choices('abcde', k=rr(10))) * rr(10, 20)
p = p0[:len(p0) - rr(10)] # pop off some characters
left = ''.join(choices('abcdef', k=rr(2000)))
right = ''.join(choices('abcdef', k=rr(2000)))
text = left + p + right
with self.subTest(p=p, text=text):
self.checkequal(reference_find(p, text),
text, 'find', p)
rr = random.randrange
for _ in range(1000):
check_pattern(rr)
# Test that empty string always work:
check_pattern(lambda *args: 0)
def test_find_many_lengths(self):
haystack_repeats = [a * 10**e for e in range(6) for a in (1,2,5)]
haystacks = [(n, self.fixtype("abcab"*n + "da")) for n in haystack_repeats]
needle_repeats = [a * 10**e for e in range(6) for a in (1, 3)]
needles = [(m, self.fixtype("abcab"*m + "da")) for m in needle_repeats]
for n, haystack1 in haystacks:
haystack2 = haystack1[:-1]
for m, needle in needles:
answer1 = 5 * (n - m) if m <= n else -1
self.assertEqual(haystack1.find(needle), answer1, msg=(n,m))
self.assertEqual(haystack2.find(needle), -1, msg=(n,m))
def test_adaptive_find(self):
# This would be very slow for the naive algorithm,
# but str.find() should be O(n + m).
for N in 1000, 10_000, 100_000, 1_000_000:
A, B = 'a' * N, 'b' * N
haystack = A + A + B + A + A
needle = A + B + B + A
self.checkequal(-1, haystack, 'find', needle)
self.checkequal(0, haystack, 'count', needle)
self.checkequal(len(haystack), haystack + needle, 'find', needle)
self.checkequal(1, haystack + needle, 'count', needle)
def test_find_with_memory(self):
# Test the "Skip with memory" path in the two-way algorithm.
for N in 1000, 3000, 10_000, 30_000:
needle = 'ab' * N
haystack = ('ab'*(N-1) + 'b') * 2
self.checkequal(-1, haystack, 'find', needle)
self.checkequal(0, haystack, 'count', needle)
self.checkequal(len(haystack), haystack + needle, 'find', needle)
self.checkequal(1, haystack + needle, 'count', needle)
def test_find_shift_table_overflow(self):
"""When the table of 8-bit shifts overflows."""
N = 2**8 + 100
# first check the periodic case
# here, the shift for 'b' is N + 1.
pattern1 = 'a' * N + 'b' + 'a' * N
text1 = 'babbaa' * N + pattern1
self.checkequal(len(text1)-len(pattern1),
text1, 'find', pattern1)
# now check the non-periodic case
# here, the shift for 'd' is 3*(N+1)+1
pattern2 = 'ddd' + 'abc' * N + "eee"
text2 = pattern2[:-1] + "ddeede" * 2 * N + pattern2 + "de" * N
self.checkequal(len(text2) - N*len("de") - len(pattern2),
text2, 'find', pattern2)
def test_lower(self):
self.checkequal('hello', 'HeLLo', 'lower')
self.checkequal('hello', 'hello', 'lower')
self.checkraises(TypeError, 'hello', 'lower', 42)
def test_upper(self):
self.checkequal('HELLO', 'HeLLo', 'upper')
self.checkequal('HELLO', 'HELLO', 'upper')
self.checkraises(TypeError, 'hello', 'upper', 42)
def test_expandtabs(self):
self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi',
'expandtabs')
self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi',
'expandtabs', 8)
self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi',
'expandtabs', 4)
self.checkequal('abc\r\nab def\ng hi', 'abc\r\nab\tdef\ng\thi',
'expandtabs')
self.checkequal('abc\r\nab def\ng hi', 'abc\r\nab\tdef\ng\thi',
'expandtabs', 8)
self.checkequal('abc\r\nab def\ng hi', 'abc\r\nab\tdef\ng\thi',
'expandtabs', 4)
self.checkequal('abc\r\nab\r\ndef\ng\r\nhi', 'abc\r\nab\r\ndef\ng\r\nhi',
'expandtabs', 4)
# check keyword args
self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi',
'expandtabs', tabsize=8)
self.checkequal('abc\rab def\ng hi', 'abc\rab\tdef\ng\thi',
'expandtabs', tabsize=4)
self.checkequal(' a\n b', ' \ta\n\tb', 'expandtabs', 1)
self.checkraises(TypeError, 'hello', 'expandtabs', 42, 42)
# This test is only valid when sizeof(int) == sizeof(void*) == 4.
# XXX RUSTPYTHON TODO: expandtabs overflow checks
if sys.maxsize < (1 << 32) and struct.calcsize('P') == 4 and False:
self.checkraises(OverflowError,
'\ta\n\tb', 'expandtabs', sys.maxsize)
def test_split(self):
# by a char
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|')
self.checkequal(['a|b|c|d'], 'a|b|c|d', 'split', '|', 0)
self.checkequal(['a', 'b|c|d'], 'a|b|c|d', 'split', '|', 1)
self.checkequal(['a', 'b', 'c|d'], 'a|b|c|d', 'split', '|', 2)
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|', 3)
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|', 4)
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', '|',
sys.maxsize-2)
self.checkequal(['a|b|c|d'], 'a|b|c|d', 'split', '|', 0)
self.checkequal(['a', '', 'b||c||d'], 'a||b||c||d', 'split', '|', 2)
self.checkequal(['abcd'], 'abcd', 'split', '|')
self.checkequal([''], '', 'split', '|')
self.checkequal(['endcase ', ''], 'endcase |', 'split', '|')
self.checkequal(['', ' startcase'], '| startcase', 'split', '|')
self.checkequal(['', 'bothcase', ''], '|bothcase|', 'split', '|')
self.checkequal(['a', '', 'b\x00c\x00d'], 'a\x00\x00b\x00c\x00d', 'split', '\x00', 2)
self.checkequal(['a']*20, ('a|'*20)[:-1], 'split', '|')
self.checkequal(['a']*15 +['a|a|a|a|a'],
('a|'*20)[:-1], 'split', '|', 15)
# by string
self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//')
self.checkequal(['a', 'b//c//d'], 'a//b//c//d', 'split', '//', 1)
self.checkequal(['a', 'b', 'c//d'], 'a//b//c//d', 'split', '//', 2)
self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//', 3)
self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//', 4)
self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'split', '//',
sys.maxsize-10)
self.checkequal(['a//b//c//d'], 'a//b//c//d', 'split', '//', 0)
self.checkequal(['a', '', 'b////c////d'], 'a////b////c////d', 'split', '//', 2)
self.checkequal(['endcase ', ''], 'endcase test', 'split', 'test')
self.checkequal(['', ' begincase'], 'test begincase', 'split', 'test')
self.checkequal(['', ' bothcase ', ''], 'test bothcase test',
'split', 'test')
self.checkequal(['a', 'bc'], 'abbbc', 'split', 'bb')
self.checkequal(['', ''], 'aaa', 'split', 'aaa')
self.checkequal(['aaa'], 'aaa', 'split', 'aaa', 0)
self.checkequal(['ab', 'ab'], 'abbaab', 'split', 'ba')
self.checkequal(['aaaa'], 'aaaa', 'split', 'aab')
self.checkequal([''], '', 'split', 'aaa')
self.checkequal(['aa'], 'aa', 'split', 'aaa')
self.checkequal(['A', 'bobb'], 'Abbobbbobb', 'split', 'bbobb')
self.checkequal(['A', 'B', ''], 'AbbobbBbbobb', 'split', 'bbobb')
self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'split', 'BLAH')
self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'split', 'BLAH', 19)
self.checkequal(['a']*18 + ['aBLAHa'], ('aBLAH'*20)[:-4],
'split', 'BLAH', 18)
# with keyword args
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'split', sep='|')
self.checkequal(['a', 'b|c|d'],
'a|b|c|d', 'split', '|', maxsplit=1)
self.checkequal(['a', 'b|c|d'],
'a|b|c|d', 'split', sep='|', maxsplit=1)
self.checkequal(['a', 'b|c|d'],
'a|b|c|d', 'split', maxsplit=1, sep='|')
self.checkequal(['a', 'b c d'],
'a b c d', 'split', maxsplit=1)
# argument type
self.checkraises(TypeError, 'hello', 'split', 42, 42, 42)
# null case
self.checkraises(ValueError, 'hello', 'split', '')
self.checkraises(ValueError, 'hello', 'split', '', 0)
def test_rsplit(self):
# without arg
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit')
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit')
self.checkequal([], '', 'rsplit')
# by a char
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|')
self.checkequal(['a|b|c', 'd'], 'a|b|c|d', 'rsplit', '|', 1)
self.checkequal(['a|b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|', 2)
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|', 3)
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|', 4)
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', '|',
sys.maxsize-100)
self.checkequal(['a|b|c|d'], 'a|b|c|d', 'rsplit', '|', 0)
self.checkequal(['a||b||c', '', 'd'], 'a||b||c||d', 'rsplit', '|', 2)
self.checkequal(['abcd'], 'abcd', 'rsplit', '|')
self.checkequal([''], '', 'rsplit', '|')
self.checkequal(['', ' begincase'], '| begincase', 'rsplit', '|')
self.checkequal(['endcase ', ''], 'endcase |', 'rsplit', '|')
self.checkequal(['', 'bothcase', ''], '|bothcase|', 'rsplit', '|')
self.checkequal(['a\x00\x00b', 'c', 'd'], 'a\x00\x00b\x00c\x00d', 'rsplit', '\x00', 2)
self.checkequal(['a']*20, ('a|'*20)[:-1], 'rsplit', '|')
self.checkequal(['a|a|a|a|a']+['a']*15,
('a|'*20)[:-1], 'rsplit', '|', 15)
# by string
self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//')
self.checkequal(['a//b//c', 'd'], 'a//b//c//d', 'rsplit', '//', 1)
self.checkequal(['a//b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//', 2)
self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//', 3)
self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//', 4)
self.checkequal(['a', 'b', 'c', 'd'], 'a//b//c//d', 'rsplit', '//',
sys.maxsize-5)
self.checkequal(['a//b//c//d'], 'a//b//c//d', 'rsplit', '//', 0)
self.checkequal(['a////b////c', '', 'd'], 'a////b////c////d', 'rsplit', '//', 2)
self.checkequal(['', ' begincase'], 'test begincase', 'rsplit', 'test')
self.checkequal(['endcase ', ''], 'endcase test', 'rsplit', 'test')
self.checkequal(['', ' bothcase ', ''], 'test bothcase test',
'rsplit', 'test')
self.checkequal(['ab', 'c'], 'abbbc', 'rsplit', 'bb')
self.checkequal(['', ''], 'aaa', 'rsplit', 'aaa')
self.checkequal(['aaa'], 'aaa', 'rsplit', 'aaa', 0)
self.checkequal(['ab', 'ab'], 'abbaab', 'rsplit', 'ba')
self.checkequal(['aaaa'], 'aaaa', 'rsplit', 'aab')
self.checkequal([''], '', 'rsplit', 'aaa')
self.checkequal(['aa'], 'aa', 'rsplit', 'aaa')
self.checkequal(['bbob', 'A'], 'bbobbbobbA', 'rsplit', 'bbobb')
self.checkequal(['', 'B', 'A'], 'bbobbBbbobbA', 'rsplit', 'bbobb')
self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'rsplit', 'BLAH')
self.checkequal(['a']*20, ('aBLAH'*20)[:-4], 'rsplit', 'BLAH', 19)
self.checkequal(['aBLAHa'] + ['a']*18, ('aBLAH'*20)[:-4],
'rsplit', 'BLAH', 18)
# with keyword args
self.checkequal(['a', 'b', 'c', 'd'], 'a|b|c|d', 'rsplit', sep='|')
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit', sep=None)
self.checkequal(['a b c', 'd'],
'a b c d', 'rsplit', sep=None, maxsplit=1)
self.checkequal(['a|b|c', 'd'],
'a|b|c|d', 'rsplit', '|', maxsplit=1)
self.checkequal(['a|b|c', 'd'],
'a|b|c|d', 'rsplit', sep='|', maxsplit=1)
self.checkequal(['a|b|c', 'd'],
'a|b|c|d', 'rsplit', maxsplit=1, sep='|')
self.checkequal(['a b c', 'd'],
'a b c d', 'rsplit', maxsplit=1)
# argument type
self.checkraises(TypeError, 'hello', 'rsplit', 42, 42, 42)
# null case
self.checkraises(ValueError, 'hello', 'rsplit', '')
self.checkraises(ValueError, 'hello', 'rsplit', '', 0)
def test_replace(self):
EQ = self.checkequal
# Operations on the empty string
EQ("", "", "replace", "", "")
EQ("A", "", "replace", "", "A")
EQ("", "", "replace", "A", "")
EQ("", "", "replace", "A", "A")
EQ("", "", "replace", "", "", 100)
EQ("A", "", "replace", "", "A", 100)
EQ("", "", "replace", "", "", sys.maxsize)
# interleave (from=="", 'to' gets inserted everywhere)
EQ("A", "A", "replace", "", "")
EQ("*A*", "A", "replace", "", "*")
EQ("*1A*1", "A", "replace", "", "*1")
EQ("*-#A*-#", "A", "replace", "", "*-#")
EQ("*-A*-A*-", "AA", "replace", "", "*-")
EQ("*-A*-A*-", "AA", "replace", "", "*-", -1)
EQ("*-A*-A*-", "AA", "replace", "", "*-", sys.maxsize)
EQ("*-A*-A*-", "AA", "replace", "", "*-", 4)
EQ("*-A*-A*-", "AA", "replace", "", "*-", 3)
EQ("*-A*-A", "AA", "replace", "", "*-", 2)
EQ("*-AA", "AA", "replace", "", "*-", 1)
EQ("AA", "AA", "replace", "", "*-", 0)
# single character deletion (from=="A", to=="")
EQ("", "A", "replace", "A", "")
EQ("", "AAA", "replace", "A", "")
EQ("", "AAA", "replace", "A", "", -1)
EQ("", "AAA", "replace", "A", "", sys.maxsize)
EQ("", "AAA", "replace", "A", "", 4)
EQ("", "AAA", "replace", "A", "", 3)
EQ("A", "AAA", "replace", "A", "", 2)
EQ("AA", "AAA", "replace", "A", "", 1)
EQ("AAA", "AAA", "replace", "A", "", 0)
EQ("", "AAAAAAAAAA", "replace", "A", "")
EQ("BCD", "ABACADA", "replace", "A", "")
EQ("BCD", "ABACADA", "replace", "A", "", -1)
EQ("BCD", "ABACADA", "replace", "A", "", sys.maxsize)
EQ("BCD", "ABACADA", "replace", "A", "", 5)
EQ("BCD", "ABACADA", "replace", "A", "", 4)
EQ("BCDA", "ABACADA", "replace", "A", "", 3)
EQ("BCADA", "ABACADA", "replace", "A", "", 2)
EQ("BACADA", "ABACADA", "replace", "A", "", 1)
EQ("ABACADA", "ABACADA", "replace", "A", "", 0)
EQ("BCD", "ABCAD", "replace", "A", "")
EQ("BCD", "ABCADAA", "replace", "A", "")
EQ("BCD", "BCD", "replace", "A", "")
EQ("*************", "*************", "replace", "A", "")
EQ("^A^", "^"+"A"*1000+"^", "replace", "A", "", 999)
# substring deletion (from=="the", to=="")
EQ("", "the", "replace", "the", "")
EQ("ater", "theater", "replace", "the", "")
EQ("", "thethe", "replace", "the", "")
EQ("", "thethethethe", "replace", "the", "")
EQ("aaaa", "theatheatheathea", "replace", "the", "")
EQ("that", "that", "replace", "the", "")
EQ("thaet", "thaet", "replace", "the", "")
EQ("here and re", "here and there", "replace", "the", "")
EQ("here and re and re", "here and there and there",
"replace", "the", "", sys.maxsize)
EQ("here and re and re", "here and there and there",
"replace", "the", "", -1)
EQ("here and re and re", "here and there and there",
"replace", "the", "", 3)
EQ("here and re and re", "here and there and there",
"replace", "the", "", 2)
EQ("here and re and there", "here and there and there",
"replace", "the", "", 1)
EQ("here and there and there", "here and there and there",
"replace", "the", "", 0)
EQ("here and re and re", "here and there and there", "replace", "the", "")
EQ("abc", "abc", "replace", "the", "")
EQ("abcdefg", "abcdefg", "replace", "the", "")
# substring deletion (from=="bob", to=="")
EQ("bob", "bbobob", "replace", "bob", "")
EQ("bobXbob", "bbobobXbbobob", "replace", "bob", "")
EQ("aaaaaaa", "aaaaaaabob", "replace", "bob", "")
EQ("aaaaaaa", "aaaaaaa", "replace", "bob", "")
# single character replace in place (len(from)==len(to)==1)
EQ("Who goes there?", "Who goes there?", "replace", "o", "o")
EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O")
EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", sys.maxsize)
EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", -1)
EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", 3)
EQ("WhO gOes there?", "Who goes there?", "replace", "o", "O", 2)
EQ("WhO goes there?", "Who goes there?", "replace", "o", "O", 1)
EQ("Who goes there?", "Who goes there?", "replace", "o", "O", 0)
EQ("Who goes there?", "Who goes there?", "replace", "a", "q")
EQ("who goes there?", "Who goes there?", "replace", "W", "w")
EQ("wwho goes there?ww", "WWho goes there?WW", "replace", "W", "w")
EQ("Who goes there!", "Who goes there?", "replace", "?", "!")
EQ("Who goes there!!", "Who goes there??", "replace", "?", "!")
EQ("Who goes there?", "Who goes there?", "replace", ".", "!")
# substring replace in place (len(from)==len(to) > 1)
EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**")
EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", sys.maxsize)
EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", -1)
EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", 4)
EQ("Th** ** a t**sue", "This is a tissue", "replace", "is", "**", 3)
EQ("Th** ** a tissue", "This is a tissue", "replace", "is", "**", 2)
EQ("Th** is a tissue", "This is a tissue", "replace", "is", "**", 1)
EQ("This is a tissue", "This is a tissue", "replace", "is", "**", 0)
EQ("cobob", "bobob", "replace", "bob", "cob")
EQ("cobobXcobocob", "bobobXbobobob", "replace", "bob", "cob")
EQ("bobob", "bobob", "replace", "bot", "bot")
# replace single character (len(from)==1, len(to)>1)
EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK")
EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK", -1)
EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK", sys.maxsize)
EQ("ReyKKjaviKK", "Reykjavik", "replace", "k", "KK", 2)
EQ("ReyKKjavik", "Reykjavik", "replace", "k", "KK", 1)
EQ("Reykjavik", "Reykjavik", "replace", "k", "KK", 0)
EQ("A----B----C----", "A.B.C.", "replace", ".", "----")
# issue #15534
EQ('...\u043c......<', '...\u043c......<', "replace", "<", "<")
EQ("Reykjavik", "Reykjavik", "replace", "q", "KK")
# replace substring (len(from)>1, len(to)!=len(from))
EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam",
"replace", "spam", "ham")
EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam",
"replace", "spam", "ham", sys.maxsize)
EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam",
"replace", "spam", "ham", -1)
EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam",
"replace", "spam", "ham", 4)
EQ("ham, ham, eggs and ham", "spam, spam, eggs and spam",
"replace", "spam", "ham", 3)
EQ("ham, ham, eggs and spam", "spam, spam, eggs and spam",
"replace", "spam", "ham", 2)
EQ("ham, spam, eggs and spam", "spam, spam, eggs and spam",
"replace", "spam", "ham", 1)
EQ("spam, spam, eggs and spam", "spam, spam, eggs and spam",
"replace", "spam", "ham", 0)
EQ("bobob", "bobobob", "replace", "bobob", "bob")
EQ("bobobXbobob", "bobobobXbobobob", "replace", "bobob", "bob")
EQ("BOBOBOB", "BOBOBOB", "replace", "bob", "bobby")
self.checkequal('one@two!three!', 'one!two!three!', 'replace', '!', '@', 1)
self.checkequal('onetwothree', 'one!two!three!', 'replace', '!', '')
self.checkequal('one@two@three!', 'one!two!three!', 'replace', '!', '@', 2)
self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@', 3)
self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@', 4)
self.checkequal('one!two!three!', 'one!two!three!', 'replace', '!', '@', 0)
self.checkequal('one@two@three@', 'one!two!three!', 'replace', '!', '@')
self.checkequal('one!two!three!', 'one!two!three!', 'replace', 'x', '@')
self.checkequal('one!two!three!', 'one!two!three!', 'replace', 'x', '@', 2)
self.checkequal('-a-b-c-', 'abc', 'replace', '', '-')
self.checkequal('-a-b-c', 'abc', 'replace', '', '-', 3)
self.checkequal('abc', 'abc', 'replace', '', '-', 0)
self.checkequal('', '', 'replace', '', '')
self.checkequal('abc', 'abc', 'replace', 'ab', '--', 0)
self.checkequal('abc', 'abc', 'replace', 'xy', '--')
# Next three for SF bug 422088: [OSF1 alpha] string.replace(); died with
# MemoryError due to empty result (platform malloc issue when requesting
# 0 bytes).
self.checkequal('', '123', 'replace', '123', '')
self.checkequal('', '123123', 'replace', '123', '')
self.checkequal('x', '123x123', 'replace', '123', '')
self.checkraises(TypeError, 'hello', 'replace')
self.checkraises(TypeError, 'hello', 'replace', 42)
self.checkraises(TypeError, 'hello', 'replace', 42, 'h')
self.checkraises(TypeError, 'hello', 'replace', 'h', 42)
def test_replace_uses_two_way_maxcount(self):
# Test that maxcount works in _two_way_count in fastsearch.h
A, B = "A"*1000, "B"*1000
AABAA = A + A + B + A + A
ABBA = A + B + B + A
self.checkequal(AABAA + ABBA,
AABAA + ABBA, 'replace', ABBA, "ccc", 0)
self.checkequal(AABAA + "ccc",
AABAA + ABBA, 'replace', ABBA, "ccc", 1)
self.checkequal(AABAA + "ccc",
AABAA + ABBA, 'replace', ABBA, "ccc", 2)
@unittest.skip("TODO: RUSTPYTHON, may only apply to 32-bit platforms")
@unittest.skipIf(sys.maxsize > (1 << 32) or struct.calcsize('P') != 4,
'only applies to 32-bit platforms')
def test_replace_overflow(self):
# Check for overflow checking on 32 bit machines
A2_16 = "A" * (2**16)
self.checkraises(OverflowError, A2_16, "replace", "", A2_16)
self.checkraises(OverflowError, A2_16, "replace", "A", A2_16)
self.checkraises(OverflowError, A2_16, "replace", "AA", A2_16+A2_16)
def test_removeprefix(self):
self.checkequal('am', 'spam', 'removeprefix', 'sp')
self.checkequal('spamspam', 'spamspamspam', 'removeprefix', 'spam')
self.checkequal('spam', 'spam', 'removeprefix', 'python')
self.checkequal('spam', 'spam', 'removeprefix', 'spider')
self.checkequal('spam', 'spam', 'removeprefix', 'spam and eggs')
self.checkequal('', '', 'removeprefix', '')
self.checkequal('', '', 'removeprefix', 'abcde')
self.checkequal('abcde', 'abcde', 'removeprefix', '')
self.checkequal('', 'abcde', 'removeprefix', 'abcde')
self.checkraises(TypeError, 'hello', 'removeprefix')
self.checkraises(TypeError, 'hello', 'removeprefix', 42)
self.checkraises(TypeError, 'hello', 'removeprefix', 42, 'h')
self.checkraises(TypeError, 'hello', 'removeprefix', 'h', 42)
self.checkraises(TypeError, 'hello', 'removeprefix', ("he", "l"))
def test_removesuffix(self):
self.checkequal('sp', 'spam', 'removesuffix', 'am')
self.checkequal('spamspam', 'spamspamspam', 'removesuffix', 'spam')
self.checkequal('spam', 'spam', 'removesuffix', 'python')
self.checkequal('spam', 'spam', 'removesuffix', 'blam')
self.checkequal('spam', 'spam', 'removesuffix', 'eggs and spam')
self.checkequal('', '', 'removesuffix', '')
self.checkequal('', '', 'removesuffix', 'abcde')
self.checkequal('abcde', 'abcde', 'removesuffix', '')
self.checkequal('', 'abcde', 'removesuffix', 'abcde')
self.checkraises(TypeError, 'hello', 'removesuffix')
self.checkraises(TypeError, 'hello', 'removesuffix', 42)
self.checkraises(TypeError, 'hello', 'removesuffix', 42, 'h')
self.checkraises(TypeError, 'hello', 'removesuffix', 'h', 42)
self.checkraises(TypeError, 'hello', 'removesuffix', ("lo", "l"))
def test_capitalize(self):
self.checkequal(' hello ', ' hello ', 'capitalize')
self.checkequal('Hello ', 'Hello ','capitalize')
self.checkequal('Hello ', 'hello ','capitalize')
self.checkequal('Aaaa', 'aaaa', 'capitalize')
self.checkequal('Aaaa', 'AaAa', 'capitalize')
self.checkraises(TypeError, 'hello', 'capitalize', 42)
def test_additional_split(self):
self.checkequal(['this', 'is', 'the', 'split', 'function'],
'this is the split function', 'split')
# by whitespace
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d ', 'split')
self.checkequal(['a', 'b c d'], 'a b c d', 'split', None, 1)
self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', None, 2)
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None, 3)
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None, 4)
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'split', None,
sys.maxsize-1)
self.checkequal(['a b c d'], 'a b c d', 'split', None, 0)
self.checkequal(['a b c d'], ' a b c d', 'split', None, 0)
self.checkequal(['a', 'b', 'c d'], 'a b c d', 'split', None, 2)
self.checkequal([], ' ', 'split')
self.checkequal(['a'], ' a ', 'split')
self.checkequal(['a', 'b'], ' a b ', 'split')
self.checkequal(['a', 'b '], ' a b ', 'split', None, 1)
self.checkequal(['a b c '], ' a b c ', 'split', None, 0)
self.checkequal(['a', 'b c '], ' a b c ', 'split', None, 1)
self.checkequal(['a', 'b', 'c '], ' a b c ', 'split', None, 2)
self.checkequal(['a', 'b', 'c'], ' a b c ', 'split', None, 3)
self.checkequal(['a', 'b'], '\n\ta \t\r b \v ', 'split')
aaa = ' a '*20
self.checkequal(['a']*20, aaa, 'split')
self.checkequal(['a'] + [aaa[4:]], aaa, 'split', None, 1)
self.checkequal(['a']*19 + ['a '], aaa, 'split', None, 19)
for b in ('arf\tbarf', 'arf\nbarf', 'arf\rbarf',
'arf\fbarf', 'arf\vbarf'):
self.checkequal(['arf', 'barf'], b, 'split')
self.checkequal(['arf', 'barf'], b, 'split', None)
self.checkequal(['arf', 'barf'], b, 'split', None, 2)
def test_additional_rsplit(self):
self.checkequal(['this', 'is', 'the', 'rsplit', 'function'],
'this is the rsplit function', 'rsplit')
# by whitespace
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d ', 'rsplit')
self.checkequal(['a b c', 'd'], 'a b c d', 'rsplit', None, 1)
self.checkequal(['a b', 'c', 'd'], 'a b c d', 'rsplit', None, 2)
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit', None, 3)
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit', None, 4)
self.checkequal(['a', 'b', 'c', 'd'], 'a b c d', 'rsplit', None,
sys.maxsize-20)
self.checkequal(['a b c d'], 'a b c d', 'rsplit', None, 0)
self.checkequal(['a b c d'], 'a b c d ', 'rsplit', None, 0)
self.checkequal(['a b', 'c', 'd'], 'a b c d', 'rsplit', None, 2)
self.checkequal([], ' ', 'rsplit')
self.checkequal(['a'], ' a ', 'rsplit')
self.checkequal(['a', 'b'], ' a b ', 'rsplit')
self.checkequal([' a', 'b'], ' a b ', 'rsplit', None, 1)
self.checkequal([' a b c'], ' a b c ', 'rsplit',
None, 0)
self.checkequal([' a b','c'], ' a b c ', 'rsplit',
None, 1)
self.checkequal([' a', 'b', 'c'], ' a b c ', 'rsplit',
None, 2)
self.checkequal(['a', 'b', 'c'], ' a b c ', 'rsplit',
None, 3)
self.checkequal(['a', 'b'], '\n\ta \t\r b \v ', 'rsplit', None, 88)
aaa = ' a '*20
self.checkequal(['a']*20, aaa, 'rsplit')
self.checkequal([aaa[:-4]] + ['a'], aaa, 'rsplit', None, 1)
self.checkequal([' a a'] + ['a']*18, aaa, 'rsplit', None, 18)
for b in ('arf\tbarf', 'arf\nbarf', 'arf\rbarf',
'arf\fbarf', 'arf\vbarf'):
self.checkequal(['arf', 'barf'], b, 'rsplit')
self.checkequal(['arf', 'barf'], b, 'rsplit', None)
self.checkequal(['arf', 'barf'], b, 'rsplit', None, 2)
def test_strip_whitespace(self):
self.checkequal('hello', ' hello ', 'strip')
self.checkequal('hello ', ' hello ', 'lstrip')
self.checkequal(' hello', ' hello ', 'rstrip')
self.checkequal('hello', 'hello', 'strip')
b = ' \t\n\r\f\vabc \t\n\r\f\v'
self.checkequal('abc', b, 'strip')
self.checkequal('abc \t\n\r\f\v', b, 'lstrip')
self.checkequal(' \t\n\r\f\vabc', b, 'rstrip')
# strip/lstrip/rstrip with None arg
self.checkequal('hello', ' hello ', 'strip', None)
self.checkequal('hello ', ' hello ', 'lstrip', None)
self.checkequal(' hello', ' hello ', 'rstrip', None)
self.checkequal('hello', 'hello', 'strip', None)
def test_strip(self):
# strip/lstrip/rstrip with str arg
self.checkequal('hello', 'xyzzyhelloxyzzy', 'strip', 'xyz')
self.checkequal('helloxyzzy', 'xyzzyhelloxyzzy', 'lstrip', 'xyz')
self.checkequal('xyzzyhello', 'xyzzyhelloxyzzy', 'rstrip', 'xyz')
self.checkequal('hello', 'hello', 'strip', 'xyz')
self.checkequal('', 'mississippi', 'strip', 'mississippi')
# only trim the start and end; does not strip internal characters
self.checkequal('mississipp', 'mississippi', 'strip', 'i')
self.checkraises(TypeError, 'hello', 'strip', 42, 42)
self.checkraises(TypeError, 'hello', 'lstrip', 42, 42)
self.checkraises(TypeError, 'hello', 'rstrip', 42, 42)
def test_ljust(self):
self.checkequal('abc ', 'abc', 'ljust', 10)
self.checkequal('abc ', 'abc', 'ljust', 6)
self.checkequal('abc', 'abc', 'ljust', 3)
self.checkequal('abc', 'abc', 'ljust', 2)
self.checkequal('abc*******', 'abc', 'ljust', 10, '*')
self.checkraises(TypeError, 'abc', 'ljust')
def test_rjust(self):
self.checkequal(' abc', 'abc', 'rjust', 10)
self.checkequal(' abc', 'abc', 'rjust', 6)
self.checkequal('abc', 'abc', 'rjust', 3)
self.checkequal('abc', 'abc', 'rjust', 2)
self.checkequal('*******abc', 'abc', 'rjust', 10, '*')
self.checkraises(TypeError, 'abc', 'rjust')
def test_center(self):
self.checkequal(' abc ', 'abc', 'center', 10)
self.checkequal(' abc ', 'abc', 'center', 6)
self.checkequal('abc', 'abc', 'center', 3)
self.checkequal('abc', 'abc', 'center', 2)
self.checkequal('***abc****', 'abc', 'center', 10, '*')
self.checkraises(TypeError, 'abc', 'center')
def test_swapcase(self):
self.checkequal('hEllO CoMPuTErS', 'HeLLo cOmpUteRs', 'swapcase')
self.checkraises(TypeError, 'hello', 'swapcase', 42)
def test_zfill(self):
self.checkequal('123', '123', 'zfill', 2)
self.checkequal('123', '123', 'zfill', 3)
self.checkequal('0123', '123', 'zfill', 4)
self.checkequal('+123', '+123', 'zfill', 3)
self.checkequal('+123', '+123', 'zfill', 4)
self.checkequal('+0123', '+123', 'zfill', 5)
self.checkequal('-123', '-123', 'zfill', 3)
self.checkequal('-123', '-123', 'zfill', 4)
self.checkequal('-0123', '-123', 'zfill', 5)
self.checkequal('000', '', 'zfill', 3)
self.checkequal('34', '34', 'zfill', 1)
self.checkequal('0034', '34', 'zfill', 4)
self.checkraises(TypeError, '123', 'zfill')
def test_islower(self):
self.checkequal(False, '', 'islower')
self.checkequal(True, 'a', 'islower')
self.checkequal(False, 'A', 'islower')
self.checkequal(False, '\n', 'islower')
self.checkequal(True, 'abc', 'islower')
self.checkequal(False, 'aBc', 'islower')
self.checkequal(True, 'abc\n', 'islower')
self.checkraises(TypeError, 'abc', 'islower', 42)
You can’t perform that action at this time.