70 lines
2.0 KiB
Python
70 lines
2.0 KiB
Python
# Check every path through every method of UserList
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from collections import UserList
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from test import list_tests
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import unittest
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class UserListTest(list_tests.CommonTest):
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type2test = UserList
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def test_getslice(self):
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super().test_getslice()
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l = [0, 1, 2, 3, 4]
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u = self.type2test(l)
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for i in range(-3, 6):
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self.assertEqual(u[:i], l[:i])
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self.assertEqual(u[i:], l[i:])
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for j in range(-3, 6):
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self.assertEqual(u[i:j], l[i:j])
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def test_slice_type(self):
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l = [0, 1, 2, 3, 4]
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u = UserList(l)
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self.assertIsInstance(u[:], u.__class__)
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self.assertEqual(u[:],u)
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def test_add_specials(self):
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u = UserList("spam")
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u2 = u + "eggs"
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self.assertEqual(u2, list("spameggs"))
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def test_radd_specials(self):
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u = UserList("eggs")
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u2 = "spam" + u
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self.assertEqual(u2, list("spameggs"))
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u2 = u.__radd__(UserList("spam"))
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self.assertEqual(u2, list("spameggs"))
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def test_iadd(self):
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super().test_iadd()
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u = [0, 1]
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u += UserList([0, 1])
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self.assertEqual(u, [0, 1, 0, 1])
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def test_mixedcmp(self):
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u = self.type2test([0, 1])
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self.assertEqual(u, [0, 1])
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self.assertNotEqual(u, [0])
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self.assertNotEqual(u, [0, 2])
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def test_mixedadd(self):
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u = self.type2test([0, 1])
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self.assertEqual(u + [], u)
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self.assertEqual(u + [2], [0, 1, 2])
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def test_getitemoverwriteiter(self):
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# Verify that __getitem__ overrides *are* recognized by __iter__
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class T(self.type2test):
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def __getitem__(self, key):
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return str(key) + '!!!'
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self.assertEqual(next(iter(T((1,2)))), "0!!!")
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def test_userlist_copy(self):
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u = self.type2test([6, 8, 1, 9, 1])
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v = u.copy()
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self.assertEqual(u, v)
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self.assertEqual(type(u), type(v))
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if __name__ == "__main__":
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unittest.main()
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