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      1 import warnings
      2 warnings.filterwarnings("ignore", "strop functions are obsolete;",
      3                         DeprecationWarning,
      4                         r'test.test_strop|unittest')
      5 import strop
      6 import unittest
      7 import sys
      8 from test import test_support
      9 
     10 
     11 class StropFunctionTestCase(unittest.TestCase):
     12 
     13     def test_atoi(self):
     14         self.assertTrue(strop.atoi(" 1 ") == 1)
     15         self.assertRaises(ValueError, strop.atoi, " 1x")
     16         self.assertRaises(ValueError, strop.atoi, " x1 ")
     17 
     18     def test_atol(self):
     19         self.assertTrue(strop.atol(" 1 ") == 1L)
     20         self.assertRaises(ValueError, strop.atol, " 1x")
     21         self.assertRaises(ValueError, strop.atol, " x1 ")
     22 
     23     def test_atof(self):
     24         self.assertTrue(strop.atof(" 1 ") == 1.0)
     25         self.assertRaises(ValueError, strop.atof, " 1x")
     26         self.assertRaises(ValueError, strop.atof, " x1 ")
     27 
     28     def test_capitalize(self):
     29         self.assertTrue(strop.capitalize(" hello ") == " hello ")
     30         self.assertTrue(strop.capitalize("hello ") == "Hello ")
     31 
     32     def test_find(self):
     33         self.assertTrue(strop.find("abcdefghiabc", "abc") == 0)
     34         self.assertTrue(strop.find("abcdefghiabc", "abc", 1) == 9)
     35         self.assertTrue(strop.find("abcdefghiabc", "def", 4) == -1)
     36 
     37     def test_rfind(self):
     38         self.assertTrue(strop.rfind("abcdefghiabc", "abc") == 9)
     39 
     40     def test_lower(self):
     41         self.assertTrue(strop.lower("HeLLo") == "hello")
     42 
     43     def test_upper(self):
     44         self.assertTrue(strop.upper("HeLLo") == "HELLO")
     45 
     46     def test_swapcase(self):
     47         self.assertTrue(strop.swapcase("HeLLo cOmpUteRs") == "hEllO CoMPuTErS")
     48 
     49     def test_strip(self):
     50         self.assertTrue(strop.strip(" \t\n hello \t\n ") == "hello")
     51 
     52     def test_lstrip(self):
     53         self.assertTrue(strop.lstrip(" \t\n hello \t\n ") == "hello \t\n ")
     54 
     55     def test_rstrip(self):
     56         self.assertTrue(strop.rstrip(" \t\n hello \t\n ") == " \t\n hello")
     57 
     58     def test_replace(self):
     59         replace = strop.replace
     60         self.assertTrue(replace("one!two!three!", '!', '@', 1)
     61                      == "one@two!three!")
     62         self.assertTrue(replace("one!two!three!", '!', '@', 2)
     63                      == "one@two@three!")
     64         self.assertTrue(replace("one!two!three!", '!', '@', 3)
     65                      == "one@two@three@")
     66         self.assertTrue(replace("one!two!three!", '!', '@', 4)
     67                      == "one@two@three@")
     68 
     69         # CAUTION: a replace count of 0 means infinity only to strop,
     70         # not to the string .replace() method or to the
     71         # string.replace() function.
     72 
     73         self.assertTrue(replace("one!two!three!", '!', '@', 0)
     74                      == "one@two@three@")
     75         self.assertTrue(replace("one!two!three!", '!', '@')
     76                      == "one@two@three@")
     77         self.assertTrue(replace("one!two!three!", 'x', '@')
     78                      == "one!two!three!")
     79         self.assertTrue(replace("one!two!three!", 'x', '@', 2)
     80                      == "one!two!three!")
     81 
     82     def test_split(self):
     83         split = strop.split
     84         self.assertTrue(split("this is the split function")
     85                      == ['this', 'is', 'the', 'split', 'function'])
     86         self.assertTrue(split("a|b|c|d", '|') == ['a', 'b', 'c', 'd'])
     87         self.assertTrue(split("a|b|c|d", '|', 2) == ['a', 'b', 'c|d'])
     88         self.assertTrue(split("a b c d", None, 1) == ['a', 'b c d'])
     89         self.assertTrue(split("a b c d", None, 2) == ['a', 'b', 'c d'])
     90         self.assertTrue(split("a b c d", None, 3) == ['a', 'b', 'c', 'd'])
     91         self.assertTrue(split("a b c d", None, 4) == ['a', 'b', 'c', 'd'])
     92         self.assertTrue(split("a b c d", None, 0) == ['a', 'b', 'c', 'd'])
     93         self.assertTrue(split("a  b  c  d", None, 2) ==  ['a', 'b', 'c  d'])
     94 
     95     def test_join(self):
     96         self.assertTrue(strop.join(['a', 'b', 'c', 'd']) == 'a b c d')
     97         self.assertTrue(strop.join(('a', 'b', 'c', 'd'), '') == 'abcd')
     98         self.assertTrue(strop.join(Sequence()) == 'w x y z')
     99 
    100         # try a few long ones
    101         self.assertTrue(strop.join(['x' * 100] * 100, ':')
    102                      == (('x' * 100) + ":") * 99 + "x" * 100)
    103         self.assertTrue(strop.join(('x' * 100,) * 100, ':')
    104                      == (('x' * 100) + ":") * 99 + "x" * 100)
    105 
    106     def test_maketrans(self):
    107         self.assertTrue(strop.maketrans("abc", "xyz") == transtable)
    108         self.assertRaises(ValueError, strop.maketrans, "abc", "xyzq")
    109 
    110     def test_translate(self):
    111         self.assertTrue(strop.translate("xyzabcdef", transtable, "def")
    112                      == "xyzxyz")
    113 
    114     def test_data_attributes(self):
    115         strop.lowercase
    116         strop.uppercase
    117         strop.whitespace
    118 
    119     @unittest.skipUnless(sys.maxsize == 2147483647, "only for 32-bit")
    120     def test_expandtabs_overflow(self):
    121         s = '\t\n' * 0x10000 + 'A' * 0x1000000
    122         self.assertRaises(OverflowError, strop.expandtabs, s, 0x10001)
    123 
    124     @test_support.precisionbigmemtest(size=test_support._2G - 1, memuse=5)
    125     def test_stropjoin_huge_list(self, size):
    126         a = "A" * size
    127         try:
    128             r = strop.join([a, a], a)
    129         except OverflowError:
    130             pass
    131         else:
    132             self.assertEqual(len(r), len(a) * 3)
    133 
    134     @test_support.precisionbigmemtest(size=test_support._2G - 1, memuse=1)
    135     def test_stropjoin_huge_tup(self, size):
    136         a = "A" * size
    137         try:
    138             r = strop.join((a, a), a)
    139         except OverflowError:
    140             pass # acceptable on 32-bit
    141         else:
    142             self.assertEqual(len(r), len(a) * 3)
    143 
    144     @unittest.skipUnless(sys.maxsize == 2147483647, "only for 32-bit")
    145     def test_stropreplace_overflow(self):
    146         a = "A" * 0x10000
    147         self.assertRaises(MemoryError, strop.replace, a, "A", a)
    148 
    149 transtable = '\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037 !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`xyzdefghijklmnopqrstuvwxyz{|}~\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377'
    150 
    151 
    152 # join() now works with any sequence type.
    153 class Sequence:
    154     def __init__(self): self.seq = 'wxyz'
    155     def __len__(self): return len(self.seq)
    156     def __getitem__(self, i): return self.seq[i]
    157 
    158 
    159 def test_main():
    160     test_support.run_unittest(StropFunctionTestCase)
    161 
    162 
    163 if __name__ == "__main__":
    164     test_main()
    165