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- """
- Tests common to tuple, list and UserList.UserList
- """
-
- import unittest
- from test import test_support
-
- class CommonTest(unittest.TestCase):
- # The type to be tested
- type2test = None
-
- def test_constructors(self):
- l0 = []
- l1 = [0]
- l2 = [0, 1]
-
- u = self.type2test()
- u0 = self.type2test(l0)
- u1 = self.type2test(l1)
- u2 = self.type2test(l2)
-
- uu = self.type2test(u)
- uu0 = self.type2test(u0)
- uu1 = self.type2test(u1)
- uu2 = self.type2test(u2)
-
- v = self.type2test(tuple(u))
- class OtherSeq:
- def __init__(self, initseq):
- self.__data = initseq
- def __len__(self):
- return len(self.__data)
- def __getitem__(self, i):
- return self.__data[i]
- s = OtherSeq(u0)
- v0 = self.type2test(s)
- self.assertEqual(len(v0), len(s))
-
- s = "this is also a sequence"
- vv = self.type2test(s)
- self.assertEqual(len(vv), len(s))
-
- def test_truth(self):
- self.assert_(not self.type2test())
- self.assert_(self.type2test([42]))
-
- def test_getitem(self):
- u = self.type2test([0, 1, 2, 3, 4])
- for i in xrange(len(u)):
- self.assertEqual(u[i], i)
- self.assertEqual(u[long(i)], i)
- for i in xrange(-len(u), -1):
- self.assertEqual(u[i], len(u)+i)
- self.assertEqual(u[long(i)], len(u)+i)
- self.assertRaises(IndexError, u.__getitem__, -len(u)-1)
- self.assertRaises(IndexError, u.__getitem__, len(u))
- self.assertRaises(ValueError, u.__getitem__, slice(0,10,0))
-
- u = self.type2test()
- self.assertRaises(IndexError, u.__getitem__, 0)
- self.assertRaises(IndexError, u.__getitem__, -1)
-
- self.assertRaises(TypeError, u.__getitem__)
-
- a = self.type2test([10, 11])
- self.assertEqual(a[0], 10)
- self.assertEqual(a[1], 11)
- self.assertEqual(a[-2], 10)
- self.assertEqual(a[-1], 11)
- self.assertRaises(IndexError, a.__getitem__, -3)
- self.assertRaises(IndexError, a.__getitem__, 3)
-
- def test_getslice(self):
- l = [0, 1, 2, 3, 4]
- u = self.type2test(l)
-
- self.assertEqual(u[0:0], self.type2test())
- self.assertEqual(u[1:2], self.type2test([1]))
- self.assertEqual(u[-2:-1], self.type2test([3]))
- self.assertEqual(u[-1000:1000], u)
- self.assertEqual(u[1000:-1000], self.type2test([]))
- self.assertEqual(u[:], u)
- self.assertEqual(u[1:None], self.type2test([1, 2, 3, 4]))
- self.assertEqual(u[None:3], self.type2test([0, 1, 2]))
-
- # Extended slices
- self.assertEqual(u[::], u)
- self.assertEqual(u[::2], self.type2test([0, 2, 4]))
- self.assertEqual(u[1::2], self.type2test([1, 3]))
- self.assertEqual(u[::-1], self.type2test([4, 3, 2, 1, 0]))
- self.assertEqual(u[::-2], self.type2test([4, 2, 0]))
- self.assertEqual(u[3::-2], self.type2test([3, 1]))
- self.assertEqual(u[3:3:-2], self.type2test([]))
- self.assertEqual(u[3:2:-2], self.type2test([3]))
- self.assertEqual(u[3:1:-2], self.type2test([3]))
- self.assertEqual(u[3:0:-2], self.type2test([3, 1]))
- self.assertEqual(u[::-100], self.type2test([4]))
- self.assertEqual(u[100:-100:], self.type2test([]))
- self.assertEqual(u[-100:100:], u)
- self.assertEqual(u[100:-100:-1], u[::-1])
- self.assertEqual(u[-100:100:-1], self.type2test([]))
- self.assertEqual(u[-100L:100L:2L], self.type2test([0, 2, 4]))
-
- # Test extreme cases with long ints
- a = self.type2test([0,1,2,3,4])
- self.assertEqual(a[ -pow(2,128L): 3 ], self.type2test([0,1,2]))
- self.assertEqual(a[ 3: pow(2,145L) ], self.type2test([3,4]))
-
- self.assertRaises(TypeError, u.__getslice__)
-
- def test_contains(self):
- u = self.type2test([0, 1, 2])
- for i in u:
- self.assert_(i in u)
- for i in min(u)-1, max(u)+1:
- self.assert_(i not in u)
-
- self.assertRaises(TypeError, u.__contains__)
-
- def test_len(self):
- self.assertEqual(len(self.type2test()), 0)
- self.assertEqual(len(self.type2test([])), 0)
- self.assertEqual(len(self.type2test([0])), 1)
- self.assertEqual(len(self.type2test([0, 1, 2])), 3)
-
- def test_minmax(self):
- u = self.type2test([0, 1, 2])
- self.assertEqual(min(u), 0)
- self.assertEqual(max(u), 2)
-
- def test_addmul(self):
- u1 = self.type2test([0])
- u2 = self.type2test([0, 1])
- self.assertEqual(u1, u1 + self.type2test())
- self.assertEqual(u1, self.type2test() + u1)
- self.assertEqual(u1 + self.type2test([1]), u2)
- self.assertEqual(self.type2test([-1]) + u1, self.type2test([-1, 0]))
- self.assertEqual(self.type2test(), u2*0)
- self.assertEqual(self.type2test(), 0*u2)
- self.assertEqual(self.type2test(), u2*0L)
- self.assertEqual(self.type2test(), 0L*u2)
- self.assertEqual(u2, u2*1)
- self.assertEqual(u2, 1*u2)
- self.assertEqual(u2, u2*1L)
- self.assertEqual(u2, 1L*u2)
- self.assertEqual(u2+u2, u2*2)
- self.assertEqual(u2+u2, 2*u2)
- self.assertEqual(u2+u2, u2*2L)
- self.assertEqual(u2+u2, 2L*u2)
- self.assertEqual(u2+u2+u2, u2*3)
- self.assertEqual(u2+u2+u2, 3*u2)
-
- class subclass(self.type2test):
- pass
- u3 = subclass([0, 1])
- self.assertEqual(u3, u3*1)
- self.assert_(u3 is not u3*1)
-
- def test_iadd(self):
- u = self.type2test([0, 1])
- u += self.type2test()
- self.assertEqual(u, self.type2test([0, 1]))
- u += self.type2test([2, 3])
- self.assertEqual(u, self.type2test([0, 1, 2, 3]))
- u += self.type2test([4, 5])
- self.assertEqual(u, self.type2test([0, 1, 2, 3, 4, 5]))
-
- u = self.type2test("spam")
- u += self.type2test("eggs")
- self.assertEqual(u, self.type2test("spameggs"))
-
- def test_imul(self):
- u = self.type2test([0, 1])
- u *= 3
- self.assertEqual(u, self.type2test([0, 1, 0, 1, 0, 1]))
-
- def test_getitemoverwriteiter(self):
- # Verify that __getitem__ overrides are not recognized by __iter__
- class T(self.type2test):
- def __getitem__(self, key):
- return str(key) + '!!!'
- self.assertEqual(iter(T((1,2))).next(), 1)
-
- def test_repeat(self):
- for m in xrange(4):
- s = tuple(range(m))
- for n in xrange(-3, 5):
- self.assertEqual(self.type2test(s*n), self.type2test(s)*n)
- self.assertEqual(self.type2test(s)*(-4), self.type2test([]))
- self.assertEqual(id(s), id(s*1))
-
- def test_subscript(self):
- a = self.type2test([10, 11])
- self.assertEqual(a.__getitem__(0L), 10)
- self.assertEqual(a.__getitem__(1L), 11)
- self.assertEqual(a.__getitem__(-2L), 10)
- self.assertEqual(a.__getitem__(-1L), 11)
- self.assertRaises(IndexError, a.__getitem__, -3)
- self.assertRaises(IndexError, a.__getitem__, 3)
- self.assertEqual(a.__getitem__(slice(0,1)), self.type2test([10]))
- self.assertEqual(a.__getitem__(slice(1,2)), self.type2test([11]))
- self.assertEqual(a.__getitem__(slice(0,2)), self.type2test([10, 11]))
- self.assertEqual(a.__getitem__(slice(0,3)), self.type2test([10, 11]))
- self.assertEqual(a.__getitem__(slice(3,5)), self.type2test([]))
- self.assertRaises(ValueError, a.__getitem__, slice(0, 10, 0))
- self.assertRaises(TypeError, a.__getitem__, 'x')
-