Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_structseq.py @ 39042:c02fa187e0f4 legacy-trunk

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Part of SF patch #1484695. This removes dead code. The chksum was already verified in .frombuf() on the lines above. If there was a problem an exception is raised, so there was no way this condition could have been true.
author Neal Norwitz <nnorwitz@gmail.com>
date Mon, 10 Jul 2006 00:23:17 +0000
parents 95695cc45cdd
children 9620134010a5 a6eb6acfe04a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import unittest
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2 from test import test_support
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3
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4 import time
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5
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6 class StructSeqTest(unittest.TestCase):
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7
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8 def test_tuple(self):
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9 t = time.gmtime()
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10 astuple = tuple(t)
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11 self.assertEqual(len(t), len(astuple))
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12 self.assertEqual(t, astuple)
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13
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14 # Check that slicing works the same way; at one point, slicing t[i:j] with
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15 # 0 < i < j could produce NULLs in the result.
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16 for i in xrange(-len(t), len(t)):
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17 self.assertEqual(t[i:], astuple[i:])
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18 for j in xrange(-len(t), len(t)):
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19 self.assertEqual(t[i:j], astuple[i:j])
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20
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21 for j in xrange(-len(t), len(t)):
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22 self.assertEqual(t[:j], astuple[:j])
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23
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24 self.assertRaises(IndexError, t.__getitem__, -len(t)-1)
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25 self.assertRaises(IndexError, t.__getitem__, len(t))
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26 for i in xrange(-len(t), len(t)-1):
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27 self.assertEqual(t[i], astuple[i])
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28
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29 def test_repr(self):
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30 t = time.gmtime()
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31 repr(t)
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32
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33 def test_concat(self):
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34 t1 = time.gmtime()
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35 t2 = t1 + tuple(t1)
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36 for i in xrange(len(t1)):
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37 self.assertEqual(t2[i], t2[i+len(t1)])
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38
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39 def test_repeat(self):
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40 t1 = time.gmtime()
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41 t2 = 3 * t1
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42 for i in xrange(len(t1)):
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43 self.assertEqual(t2[i], t2[i+len(t1)])
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44 self.assertEqual(t2[i], t2[i+2*len(t1)])
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45
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46 def test_contains(self):
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47 t1 = time.gmtime()
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48 for item in t1:
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49 self.assert_(item in t1)
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50 self.assert_(-42 not in t1)
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51
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52 def test_hash(self):
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53 t1 = time.gmtime()
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54 self.assertEqual(hash(t1), hash(tuple(t1)))
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55
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56 def test_cmp(self):
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57 t1 = time.gmtime()
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58 t2 = type(t1)(t1)
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59 self.assertEqual(t1, t2)
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60 self.assert_(not (t1 < t2))
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61 self.assert_(t1 <= t2)
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62 self.assert_(not (t1 > t2))
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63 self.assert_(t1 >= t2)
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64 self.assert_(not (t1 != t2))
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65
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66 def test_fields(self):
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67 t = time.gmtime()
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68 self.assertEqual(len(t), t.n_fields)
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69 self.assertEqual(t.n_fields, t.n_sequence_fields+t.n_unnamed_fields)
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70
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71 def test_constructor(self):
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72 t = time.struct_time
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73
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74 self.assertRaises(TypeError, t)
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75 self.assertRaises(TypeError, t, None)
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76 self.assertRaises(TypeError, t, "123")
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77 self.assertRaises(TypeError, t, "123", dict={})
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78 self.assertRaises(TypeError, t, "123456789", dict=None)
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79
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80 s = "123456789"
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81 self.assertEqual("".join(t(s)), s)
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82
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83 def test_eviltuple(self):
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84 class Exc(Exception):
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85 pass
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86
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87 # Devious code could crash structseqs' contructors
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88 class C:
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89 def __getitem__(self, i):
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90 raise Exc
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91 def __len__(self):
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92 return 9
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93
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94 self.assertRaises(Exc, time.struct_time, C())
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95
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96 def test_reduce(self):
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97 t = time.gmtime()
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98 x = t.__reduce__()
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99
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100 def test_main():
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101 test_support.run_unittest(StructSeqTest)
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102
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103 if __name__ == "__main__":
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104 test_main()