Exemplo n.º 1
0
    def test_contains(self):
        r = xrange(5)
        self.assertFalse(-1 in r)
        self.assertTrue(1 in r)
        self.assertTrue(4 in r)
        self.assertFalse(5 in r)

        r = xrange(0, 5, 2)
        self.assertFalse(-1 in r)
        self.assertTrue(0 in r)
        self.assertFalse(1 in r)
        self.assertTrue(2 in r)
        self.assertFalse(3 in r)
        self.assertTrue(4 in r)
        self.assertFalse(5 in r)

        r = xrange(5, 0, -1)
        self.assertFalse(-1 in r)
        self.assertFalse(0 in r)
        self.assertTrue(1 in r)
        self.assertTrue(2 in r)
        self.assertTrue(3 in r)
        self.assertTrue(4 in r)
        self.assertTrue(5 in r)
        self.assertFalse(6 in r)
Exemplo n.º 2
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    def test_contains(self):
        r = xrange(5)
        self.assertFalse(-1 in r)
        self.assertTrue(1 in r)
        self.assertTrue(4 in r)
        self.assertFalse(5 in r)

        r = xrange(0, 5, 2)
        self.assertFalse(-1 in r)
        self.assertTrue(0 in r)
        self.assertFalse(1 in r)
        self.assertTrue(2 in r)
        self.assertFalse(3 in r)
        self.assertTrue(4 in r)
        self.assertFalse(5 in r)

        r = xrange(5, 0, -1)
        self.assertFalse(-1 in r)
        self.assertFalse(0 in r)
        self.assertTrue(1 in r)
        self.assertTrue(2 in r)
        self.assertTrue(3 in r)
        self.assertTrue(4 in r)
        self.assertTrue(5 in r)
        self.assertFalse(6 in r)
Exemplo n.º 3
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    def test_getitem(self):
        r = xrange(0)
        self.assertRaises(IndexError, getitem, r, -1)
        self.assertRaises(IndexError, getitem, r, 0)
        self.assertRaises(IndexError, getitem, r, 1)

        r = xrange(1)
        self.assertRaises(IndexError, getitem, r, -2)
        self.assertEqual(0, r[-1])
        self.assertEqual(0, r[0])
        self.assertRaises(IndexError, getitem, r, 1)

        r = xrange(3)
        self.assertRaises(IndexError, getitem, r, -4)
        self.assertEqual(0, r[-3])
        self.assertEqual(2, r[-1])
        self.assertEqual(0, r[0])
        self.assertEqual(2, r[2])
        self.assertRaises(IndexError, getitem, r, 3)

        r = xrange(1, 4)
        self.assertRaises(IndexError, getitem, r, -4)
        self.assertEqual(1, r[-3])
        self.assertEqual(3, r[-1])
        self.assertEqual(1, r[0])
        self.assertEqual(3, r[2])
        self.assertRaises(IndexError, getitem, r, 3)

        r = xrange(3, 0, -1)
        self.assertRaises(IndexError, getitem, r, -4)
        self.assertEqual(3, r[-3])
        self.assertEqual(1, r[-1])
        self.assertEqual(3, r[0])
        self.assertEqual(1, r[2])
        self.assertRaises(IndexError, getitem, r, 3)
Exemplo n.º 4
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    def test_getitem(self):
        r = xrange(0)
        self.assertRaises(IndexError, getitem, r, -1)
        self.assertRaises(IndexError, getitem, r, 0)
        self.assertRaises(IndexError, getitem, r, 1)

        r = xrange(1)
        self.assertRaises(IndexError, getitem, r, -2)
        self.assertEqual(0, r[-1])
        self.assertEqual(0, r[0])
        self.assertRaises(IndexError, getitem, r, 1)

        r = xrange(3)
        self.assertRaises(IndexError, getitem, r, -4)
        self.assertEqual(0, r[-3])
        self.assertEqual(2, r[-1])
        self.assertEqual(0, r[0])
        self.assertEqual(2, r[2])
        self.assertRaises(IndexError, getitem, r, 3)

        r = xrange(1, 4)
        self.assertRaises(IndexError, getitem, r, -4)
        self.assertEqual(1, r[-3])
        self.assertEqual(3, r[-1])
        self.assertEqual(1, r[0])
        self.assertEqual(3, r[2])
        self.assertRaises(IndexError, getitem, r, 3)

        r = xrange(3, 0, -1)
        self.assertRaises(IndexError, getitem, r, -4)
        self.assertEqual(3, r[-3])
        self.assertEqual(1, r[-1])
        self.assertEqual(3, r[0])
        self.assertEqual(1, r[2])
        self.assertRaises(IndexError, getitem, r, 3)
Exemplo n.º 5
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    def test_large_nums(self):
        r = xrange(2**64 + 1)
        self.assertEqual(r._len, 2**64 + 1)
        # note, however, that you can't use len() on
        # such an xrange, as the return value of len()
        # must be expressable as a C (unsigned?) long

        self.assertEqual(r[0], 0)
        self.assertEqual(r[-1], 2**64)
Exemplo n.º 6
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    def test_large_nums(self):
        r = xrange(2**64 + 1)
        self.assertEqual(r._len, 2**64 + 1)
        # note, however, that you can't use len() on
        # such an xrange, as the return value of len()
        # must be expressable as a C (unsigned?) long

        self.assertEqual(r[0], 0)
        self.assertEqual(r[-1], 2**64)
Exemplo n.º 7
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    def test_index(self):
        r = xrange(1)
        self.assertEqual(0, r.index(0))
        self.assertRaises(ValueError, r.index, -1)
        self.assertRaises(ValueError, r.index, 1)

        r = xrange(10)
        self.assertEqual(4, r.index(4))
        self.assertEqual(9, r.index(9))
        self.assertRaises(ValueError, r.index, -1)
        self.assertRaises(ValueError, r.index, 10)

        r = xrange(3, 6)
        self.assertEqual(0, r.index(3))
        self.assertEqual(2, r.index(5))
        self.assertRaises(ValueError, r.index, 2)
        self.assertRaises(ValueError, r.index, 6)

        r = xrange(3, 6, 2)
        self.assertEqual(0, r.index(3))
        self.assertEqual(1, r.index(5))
        self.assertRaises(ValueError, r.index, 2)
        self.assertRaises(ValueError, r.index, 6)

        r = xrange(5, 2, -1)
        self.assertEqual(2, r.index(3))
        self.assertEqual(0, r.index(5))
        self.assertRaises(ValueError, r.index, 2)
        self.assertRaises(ValueError, r.index, 6)

        r = xrange(5, 2, -2)
        self.assertEqual(1, r.index(3))
        self.assertEqual(0, r.index(5))
        self.assertRaises(ValueError, r.index, 2)
        self.assertRaises(ValueError, r.index, 6)
Exemplo n.º 8
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    def test_index(self):
        r = xrange(1)
        self.assertEqual(0, r.index(0))
        self.assertRaises(ValueError, r.index, -1)
        self.assertRaises(ValueError, r.index, 1)

        r = xrange(10)
        self.assertEqual(4, r.index(4))
        self.assertEqual(9, r.index(9))
        self.assertRaises(ValueError, r.index, -1)
        self.assertRaises(ValueError, r.index, 10)

        r = xrange(3, 6)
        self.assertEqual(0, r.index(3))
        self.assertEqual(2, r.index(5))
        self.assertRaises(ValueError, r.index, 2)
        self.assertRaises(ValueError, r.index, 6)

        r = xrange(3, 6, 2)
        self.assertEqual(0, r.index(3))
        self.assertEqual(1, r.index(5))
        self.assertRaises(ValueError, r.index, 2)
        self.assertRaises(ValueError, r.index, 6)

        r = xrange(5, 2, -1)
        self.assertEqual(2, r.index(3))
        self.assertEqual(0, r.index(5))
        self.assertRaises(ValueError, r.index, 2)
        self.assertRaises(ValueError, r.index, 6)

        r = xrange(5, 2, -2)
        self.assertEqual(1, r.index(3))
        self.assertEqual(0, r.index(5))
        self.assertRaises(ValueError, r.index, 2)
        self.assertRaises(ValueError, r.index, 6)
Exemplo n.º 9
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    def test_count(self):
        r = xrange(1)
        self.assertEqual(0, r.count(-1))
        self.assertEqual(1, r.count(0))
        self.assertEqual(0, r.count(1))

        r = xrange(0, 5, 2)
        self.assertEqual(0, r.count(-1))
        self.assertEqual(1, r.count(0))
        self.assertEqual(0, r.count(1))
        self.assertEqual(1, r.count(2))
        self.assertEqual(0, r.count(3))
        self.assertEqual(1, r.count(4))
        self.assertEqual(0, r.count(5))

        r = xrange(5, 0, -1)
        self.assertEqual(0, r.count(-1))
        self.assertEqual(0, r.count(0))
        self.assertEqual(1, r.count(1))
        self.assertEqual(1, r.count(2))
        self.assertEqual(1, r.count(3))
        self.assertEqual(1, r.count(4))
        self.assertEqual(1, r.count(5))
        self.assertEqual(0, r.count(6))
Exemplo n.º 10
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    def test_count(self):
        r = xrange(1)
        self.assertEqual(0, r.count(-1))
        self.assertEqual(1, r.count(0))
        self.assertEqual(0, r.count(1))

        r = xrange(0, 5, 2)
        self.assertEqual(0, r.count(-1))
        self.assertEqual(1, r.count(0))
        self.assertEqual(0, r.count(1))
        self.assertEqual(1, r.count(2))
        self.assertEqual(0, r.count(3))
        self.assertEqual(1, r.count(4))
        self.assertEqual(0, r.count(5))

        r = xrange(5, 0, -1)
        self.assertEqual(0, r.count(-1))
        self.assertEqual(0, r.count(0))
        self.assertEqual(1, r.count(1))
        self.assertEqual(1, r.count(2))
        self.assertEqual(1, r.count(3))
        self.assertEqual(1, r.count(4))
        self.assertEqual(1, r.count(5))
        self.assertEqual(0, r.count(6))
Exemplo n.º 11
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    def test_init(self):
        r = xrange(0)
        self.assertEqual(0, r._start)
        self.assertEqual(0, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(1)
        self.assertEqual(0, r._start)
        self.assertEqual(1, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(2)
        self.assertEqual(0, r._start)
        self.assertEqual(2, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(1, 2)
        self.assertEqual(1, r._start)
        self.assertEqual(2, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(1, 2, 1)
        self.assertEqual(1, r._start)
        self.assertEqual(2, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(2, 2, 1)
        self.assertEqual(2, r._start)
        self.assertEqual(2, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(1, 2, -1)
        self.assertEqual(1, r._start)
        self.assertEqual(1, r._stop)
        self.assertEqual(-1, r._step)

        r = xrange(2, 1, -1)
        self.assertEqual(2, r._start)
        self.assertEqual(1, r._stop)
        self.assertEqual(-1, r._step)

        self.assertRaises(TypeError, xrange, 1, 2, 3, 4)
        self.assertRaises(TypeError, xrange, 'abc')
        self.assertRaises(ValueError, xrange, 1, 2, 0)
Exemplo n.º 12
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    def test_init(self):
        r = xrange(0)
        self.assertEqual(0, r._start)
        self.assertEqual(0, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(1)
        self.assertEqual(0, r._start)
        self.assertEqual(1, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(2)
        self.assertEqual(0, r._start)
        self.assertEqual(2, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(1, 2)
        self.assertEqual(1, r._start)
        self.assertEqual(2, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(1, 2, 1)
        self.assertEqual(1, r._start)
        self.assertEqual(2, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(2, 2, 1)
        self.assertEqual(2, r._start)
        self.assertEqual(2, r._stop)
        self.assertEqual(1, r._step)

        r = xrange(1, 2, -1)
        self.assertEqual(1, r._start)
        self.assertEqual(1, r._stop)
        self.assertEqual(-1, r._step)

        r = xrange(2, 1, -1)
        self.assertEqual(2, r._start)
        self.assertEqual(1, r._stop)
        self.assertEqual(-1, r._step)

        self.assertRaises(TypeError, xrange, 1, 2, 3, 4)
        self.assertRaises(TypeError, xrange, 'abc')
        self.assertRaises(ValueError, xrange, 1, 2, 0)
Exemplo n.º 13
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    def test_iter_basic(self):
        self.assertEqual([], [x for x in xrange(0)])

        self.assertEqual([0], [x for x in xrange(1)])

        self.assertEqual([0, 1, 2], [x for x in xrange(3)])

        self.assertEqual([0, 2, 4], [x for x in xrange(0, 5, 2)])

        self.assertEqual([5, 3, 1], [x for x in xrange(5, 0, -2)])

        iterator = iter(xrange(5))
        self.assertTrue(iterator is iter(iterator))
Exemplo n.º 14
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    def test_len(self):
        r = xrange(0)
        self.assertEqual(0, len(r))

        r = xrange(1)
        self.assertEqual(1, len(r))

        r = xrange(10)
        self.assertEqual(10, len(r))

        r = xrange(3, 5)
        self.assertEqual(2, len(r))

        r = xrange(3, 5, 2)
        self.assertEqual(1, len(r))

        r = xrange(5, 3, -1)
        self.assertEqual(2, len(r))

        r = xrange(5, 3, -2)
        self.assertEqual(1, len(r))
Exemplo n.º 15
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    def test_len(self):
        r = xrange(0)
        self.assertEqual(0, len(r))

        r = xrange(1)
        self.assertEqual(1, len(r))

        r = xrange(10)
        self.assertEqual(10, len(r))

        r = xrange(3, 5)
        self.assertEqual(2, len(r))

        r = xrange(3, 5, 2)
        self.assertEqual(1, len(r))

        r = xrange(5, 3, -1)
        self.assertEqual(2, len(r))

        r = xrange(5, 3, -2)
        self.assertEqual(1, len(r))
Exemplo n.º 16
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    def test_iter_basic(self):
        self.assertEqual(
            [],
            [x for x in xrange(0)])

        self.assertEqual(
            [0],
            [x for x in xrange(1)])

        self.assertEqual(
            [0, 1, 2],
            [x for x in xrange(3)])

        self.assertEqual(
            [0, 2, 4],
            [x for x in xrange(0, 5, 2)])

        self.assertEqual(
            [5, 3, 1],
            [x for x in xrange(5, 0, -2)])

        iterator = iter(xrange(5))
        self.assertTrue(iterator is iter(iterator))
Exemplo n.º 17
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 def test_reversed(self):
     self.assertEqual(reversed(xrange(1)), xrange(0, -1, -1))
     self.assertEqual(reversed(xrange(5)), xrange(4, -1, -1))
     self.assertEqual(reversed(xrange(1, 5)), xrange(4, 0, -1))
     self.assertEqual(reversed(xrange(5, 1, -1)), xrange(2, 6, 1))
Exemplo n.º 18
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    def test_getitem_slice(self):
        r = xrange(10)

        self.assertRaises(ValueError, getitem, r, slice(1, 2, 0))

        self.assertEqual(r[:], xrange(10))
        self.assertEqual(r[::], xrange(10))
        self.assertEqual(r[::1], xrange(10))
        self.assertEqual(r[::2], xrange(0, 10, 2))

        self.assertEqual(r[::-1], xrange(9, -1, -1))
        self.assertEqual(r[::-2], xrange(9, -1, -2))

        self.assertEqual(r[1:2], xrange(1, 2))
        self.assertEqual(r[1:9], xrange(1, 9))
        self.assertEqual(r[1:-1], xrange(1, 9))

        self.assertEqual(r[-20:-1], xrange(0, 9))
        self.assertEqual(r[-20:-19], xrange(0, 0))
Exemplo n.º 19
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 def test_repr(self):
     self.assertEqual(repr(xrange(1)), 'xrange(1)')
     self.assertEqual(repr(xrange(1, 2)), 'xrange(1, 2)')
     self.assertEqual(repr(xrange(1, 3, 2)), 'xrange(1, 3, 2)')
Exemplo n.º 20
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 def test_repr(self):
     self.assertEqual(repr(xrange(1)), 'xrange(1)')
     self.assertEqual(repr(xrange(1, 2)), 'xrange(1, 2)')
     self.assertEqual(repr(xrange(1, 3, 2)), 'xrange(1, 3, 2)')
Exemplo n.º 21
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 def test_reversed(self):
     self.assertEqual(reversed(xrange(1)), xrange(0, -1, -1))
     self.assertEqual(reversed(xrange(5)), xrange(4, -1, -1))
     self.assertEqual(reversed(xrange(1, 5)), xrange(4, 0, -1))
     self.assertEqual(reversed(xrange(5, 1, -1)), xrange(2, 6, 1))
Exemplo n.º 22
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    def test_getitem_slice(self):
        r = xrange(10)

        self.assertRaises(ValueError, getitem, r, slice(1, 2, 0))

        self.assertEqual(r[:], xrange(10))
        self.assertEqual(r[::], xrange(10))
        self.assertEqual(r[::1], xrange(10))
        self.assertEqual(r[::2], xrange(0, 10, 2))

        self.assertEqual(r[::-1], xrange(9, -1, -1))
        self.assertEqual(r[::-2], xrange(9, -1, -2))

        self.assertEqual(r[1:2], xrange(1, 2))
        self.assertEqual(r[1:9], xrange(1, 9))
        self.assertEqual(r[1:-1], xrange(1, 9))

        self.assertEqual(r[-20:-1], xrange(0, 9))
        self.assertEqual(r[-20:-19], xrange(0, 0))