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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() |