diff --git a/Lib/test/test_range.py b/Lib/test/test_range.py
new file mode 100644
index 000000000..925ff257d
--- /dev/null
+++ b/Lib/test/test_range.py
@@ -0,0 +1,690 @@
+# Python test set -- built-in functions
+
+import unittest
+import sys
+import pickle
+import itertools
+
+# pure Python implementations (3 args only), for comparison
+def pyrange(start, stop, step):
+    if (start - stop) // step < 0:
+        # replace stop with next element in the sequence of integers
+        # that are congruent to start modulo step.
+        stop += (start - stop) % step
+        while start != stop:
+            yield start
+            start += step
+
+def pyrange_reversed(start, stop, step):
+    stop += (start - stop) % step
+    return pyrange(stop - step, start - step, -step)
+
+
+class RangeTest(unittest.TestCase):
+    def assert_iterators_equal(self, xs, ys, test_id, limit=None):
+        # check that an iterator xs matches the expected results ys,
+        # up to a given limit.
+        if limit is not None:
+            xs = itertools.islice(xs, limit)
+            ys = itertools.islice(ys, limit)
+        sentinel = object()
+        pairs = itertools.zip_longest(xs, ys, fillvalue=sentinel)
+        for i, (x, y) in enumerate(pairs):
+            if x == y:
+                continue
+            elif x == sentinel:
+                self.fail('{}: iterator ended unexpectedly '
+                          'at position {}; expected {}'.format(test_id, i, y))
+            elif y == sentinel:
+                self.fail('{}: unexpected excess element {} at '
+                          'position {}'.format(test_id, x, i))
+            else:
+                self.fail('{}: wrong element at position {}; '
+                          'expected {}, got {}'.format(test_id, i, y, x))
+
+    def test_range(self):
+        self.assertEqual(list(range(3)), [0, 1, 2])
+        self.assertEqual(list(range(1, 5)), [1, 2, 3, 4])
+        self.assertEqual(list(range(0)), [])
+        self.assertEqual(list(range(-3)), [])
+        self.assertEqual(list(range(1, 10, 3)), [1, 4, 7])
+        self.assertEqual(list(range(5, -5, -3)), [5, 2, -1, -4])
+
+        a = 10
+        b = 100
+        c = 50
+
+        self.assertEqual(list(range(a, a+2)), [a, a+1])
+        self.assertEqual(list(range(a+2, a, -1)), [a+2, a+1])
+        self.assertEqual(list(range(a+4, a, -2)), [a+4, a+2])
+
+        seq = list(range(a, b, c))
+        self.assertIn(a, seq)
+        self.assertNotIn(b, seq)
+        self.assertEqual(len(seq), 2)
+
+        seq = list(range(b, a, -c))
+        self.assertIn(b, seq)
+        self.assertNotIn(a, seq)
+        self.assertEqual(len(seq), 2)
+
+        seq = list(range(-a, -b, -c))
+        self.assertIn(-a, seq)
+        self.assertNotIn(-b, seq)
+        self.assertEqual(len(seq), 2)
+
+        self.assertRaises(TypeError, range)
+        self.assertRaises(TypeError, range, 1, 2, 3, 4)
+        self.assertRaises(ValueError, range, 1, 2, 0)
+
+        self.assertRaises(TypeError, range, 0.0, 2, 1)
+        self.assertRaises(TypeError, range, 1, 2.0, 1)
+        self.assertRaises(TypeError, range, 1, 2, 1.0)
+        self.assertRaises(TypeError, range, 1e100, 1e101, 1e101)
+
+        self.assertRaises(TypeError, range, 0, "spam")
+        self.assertRaises(TypeError, range, 0, 42, "spam")
+
+        self.assertEqual(len(range(0, sys.maxsize, sys.maxsize-1)), 2)
+
+        r = range(-sys.maxsize, sys.maxsize, 2)
+        self.assertEqual(len(r), sys.maxsize)
+
+    def test_large_operands(self):
+        x = range(10**20, 10**20+10, 3)
+        self.assertEqual(len(x), 4)
+        self.assertEqual(len(list(x)), 4)
+
+        x = range(10**20+10, 10**20, 3)
+        self.assertEqual(len(x), 0)
+        self.assertEqual(len(list(x)), 0)
+        self.assertFalse(x)
+
+        x = range(10**20, 10**20+10, -3)
+        self.assertEqual(len(x), 0)
+        self.assertEqual(len(list(x)), 0)
+        self.assertFalse(x)
+
+        x = range(10**20+10, 10**20, -3)
+        self.assertEqual(len(x), 4)
+        self.assertEqual(len(list(x)), 4)
+        self.assertTrue(x)
+
+        # Now test range() with longs
+        for x in [range(-2**100),
+                  range(0, -2**100),
+                  range(0, 2**100, -1)]:
+            self.assertEqual(list(x), [])
+            self.assertFalse(x)
+
+        a = int(10 * sys.maxsize)
+        b = int(100 * sys.maxsize)
+        c = int(50 * sys.maxsize)
+
+        self.assertEqual(list(range(a, a+2)), [a, a+1])
+        self.assertEqual(list(range(a+2, a, -1)), [a+2, a+1])
+        self.assertEqual(list(range(a+4, a, -2)), [a+4, a+2])
+
+        seq = list(range(a, b, c))
+        self.assertIn(a, seq)
+        self.assertNotIn(b, seq)
+        self.assertEqual(len(seq), 2)
+        self.assertEqual(seq[0], a)
+        self.assertEqual(seq[-1], a+c)
+
+        seq = list(range(b, a, -c))
+        self.assertIn(b, seq)
+        self.assertNotIn(a, seq)
+        self.assertEqual(len(seq), 2)
+        self.assertEqual(seq[0], b)
+        self.assertEqual(seq[-1], b-c)
+
+        seq = list(range(-a, -b, -c))
+        self.assertIn(-a, seq)
+        self.assertNotIn(-b, seq)
+        self.assertEqual(len(seq), 2)
+        self.assertEqual(seq[0], -a)
+        self.assertEqual(seq[-1], -a-c)
+
+    def test_large_range(self):
+        # Check long ranges (len > sys.maxsize)
+        # len() is expected to fail due to limitations of the __len__ protocol
+        def _range_len(x):
+            try:
+                length = len(x)
+            except OverflowError:
+                step = x[1] - x[0]
+                length = 1 + ((x[-1] - x[0]) // step)
+            return length
+
+        a = -sys.maxsize
+        b = sys.maxsize
+        expected_len = b - a
+        x = range(a, b)
+        self.assertIn(a, x)
+        self.assertNotIn(b, x)
+        self.assertRaises(OverflowError, len, x)
+        self.assertTrue(x)
+        self.assertEqual(_range_len(x), expected_len)
+        self.assertEqual(x[0], a)
+        idx = sys.maxsize+1
+        self.assertEqual(x[idx], a+idx)
+        self.assertEqual(x[idx:idx+1][0], a+idx)
+        with self.assertRaises(IndexError):
+            x[-expected_len-1]
+        with self.assertRaises(IndexError):
+            x[expected_len]
+
+        a = 0
+        b = 2 * sys.maxsize
+        expected_len = b - a
+        x = range(a, b)
+        self.assertIn(a, x)
+        self.assertNotIn(b, x)
+        self.assertRaises(OverflowError, len, x)
+        self.assertTrue(x)
+        self.assertEqual(_range_len(x), expected_len)
+        self.assertEqual(x[0], a)
+        idx = sys.maxsize+1
+        self.assertEqual(x[idx], a+idx)
+        self.assertEqual(x[idx:idx+1][0], a+idx)
+        with self.assertRaises(IndexError):
+            x[-expected_len-1]
+        with self.assertRaises(IndexError):
+            x[expected_len]
+
+        a = 0
+        b = sys.maxsize**10
+        c = 2*sys.maxsize
+        expected_len = 1 + (b - a) // c
+        x = range(a, b, c)
+        self.assertIn(a, x)
+        self.assertNotIn(b, x)
+        self.assertRaises(OverflowError, len, x)
+        self.assertTrue(x)
+        self.assertEqual(_range_len(x), expected_len)
+        self.assertEqual(x[0], a)
+        idx = sys.maxsize+1
+        self.assertEqual(x[idx], a+(idx*c))
+        self.assertEqual(x[idx:idx+1][0], a+(idx*c))
+        with self.assertRaises(IndexError):
+            x[-expected_len-1]
+        with self.assertRaises(IndexError):
+            x[expected_len]
+
+        a = sys.maxsize**10
+        b = 0
+        c = -2*sys.maxsize
+        expected_len = 1 + (b - a) // c
+        x = range(a, b, c)
+        self.assertIn(a, x)
+        self.assertNotIn(b, x)
+        self.assertRaises(OverflowError, len, x)
+        self.assertTrue(x)
+        self.assertEqual(_range_len(x), expected_len)
+        self.assertEqual(x[0], a)
+        idx = sys.maxsize+1
+        self.assertEqual(x[idx], a+(idx*c))
+        self.assertEqual(x[idx:idx+1][0], a+(idx*c))
+        with self.assertRaises(IndexError):
+            x[-expected_len-1]
+        with self.assertRaises(IndexError):
+            x[expected_len]
+
+    def test_invalid_invocation(self):
+        self.assertRaises(TypeError, range)
+        self.assertRaises(TypeError, range, 1, 2, 3, 4)
+        self.assertRaises(ValueError, range, 1, 2, 0)
+        a = int(10 * sys.maxsize)
+        self.assertRaises(ValueError, range, a, a + 1, int(0))
+        self.assertRaises(TypeError, range, 1., 1., 1.)
+        self.assertRaises(TypeError, range, 1e100, 1e101, 1e101)
+        self.assertRaises(TypeError, range, 0, "spam")
+        self.assertRaises(TypeError, range, 0, 42, "spam")
+        # Exercise various combinations of bad arguments, to check
+        # refcounting logic
+        self.assertRaises(TypeError, range, 0.0)
+        self.assertRaises(TypeError, range, 0, 0.0)
+        self.assertRaises(TypeError, range, 0.0, 0)
+        self.assertRaises(TypeError, range, 0.0, 0.0)
+        self.assertRaises(TypeError, range, 0, 0, 1.0)
+        self.assertRaises(TypeError, range, 0, 0.0, 1)
+        self.assertRaises(TypeError, range, 0, 0.0, 1.0)
+        self.assertRaises(TypeError, range, 0.0, 0, 1)
+        self.assertRaises(TypeError, range, 0.0, 0, 1.0)
+        self.assertRaises(TypeError, range, 0.0, 0.0, 1)
+        self.assertRaises(TypeError, range, 0.0, 0.0, 1.0)
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_index(self):
+        u = range(2)
+        self.assertEqual(u.index(0), 0)
+        self.assertEqual(u.index(1), 1)
+        self.assertRaises(ValueError, u.index, 2)
+
+        u = range(-2, 3)
+        self.assertEqual(u.count(0), 1)
+        self.assertEqual(u.index(0), 2)
+        self.assertRaises(TypeError, u.index)
+
+        class BadExc(Exception):
+            pass
+
+        class BadCmp:
+            def __eq__(self, other):
+                if other == 2:
+                    raise BadExc()
+                return False
+
+        a = range(4)
+        self.assertRaises(BadExc, a.index, BadCmp())
+
+        a = range(-2, 3)
+        self.assertEqual(a.index(0), 2)
+        self.assertEqual(range(1, 10, 3).index(4), 1)
+        self.assertEqual(range(1, -10, -3).index(-5), 2)
+
+        self.assertEqual(range(10**20).index(1), 1)
+        self.assertEqual(range(10**20).index(10**20 - 1), 10**20 - 1)
+
+        self.assertRaises(ValueError, range(1, 2**100, 2).index, 2**87)
+        self.assertEqual(range(1, 2**100, 2).index(2**87+1), 2**86)
+
+        class AlwaysEqual(object):
+            def __eq__(self, other):
+                return True
+        always_equal = AlwaysEqual()
+        self.assertEqual(range(10).index(always_equal), 0)
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_user_index_method(self):
+        bignum = 2*sys.maxsize
+        smallnum = 42
+
+        # User-defined class with an __index__ method
+        class I:
+            def __init__(self, n):
+                self.n = int(n)
+            def __index__(self):
+                return self.n
+        self.assertEqual(list(range(I(bignum), I(bignum + 1))), [bignum])
+        self.assertEqual(list(range(I(smallnum), I(smallnum + 1))), [smallnum])
+
+        # User-defined class with a failing __index__ method
+        class IX:
+            def __index__(self):
+                raise RuntimeError
+        self.assertRaises(RuntimeError, range, IX())
+
+        # User-defined class with an invalid __index__ method
+        class IN:
+            def __index__(self):
+                return "not a number"
+
+        self.assertRaises(TypeError, range, IN())
+
+        # Test use of user-defined classes in slice indices.
+        self.assertEqual(range(10)[:I(5)], range(5))
+
+        with self.assertRaises(RuntimeError):
+            range(0, 10)[:IX()]
+
+        with self.assertRaises(TypeError):
+            range(0, 10)[:IN()]
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_count(self):
+        self.assertEqual(range(3).count(-1), 0)
+        self.assertEqual(range(3).count(0), 1)
+        self.assertEqual(range(3).count(1), 1)
+        self.assertEqual(range(3).count(2), 1)
+        self.assertEqual(range(3).count(3), 0)
+        self.assertIs(type(range(3).count(-1)), int)
+        self.assertIs(type(range(3).count(1)), int)
+        self.assertEqual(range(10**20).count(1), 1)
+        self.assertEqual(range(10**20).count(10**20), 0)
+        self.assertEqual(range(3).index(1), 1)
+        self.assertEqual(range(1, 2**100, 2).count(2**87), 0)
+        self.assertEqual(range(1, 2**100, 2).count(2**87+1), 1)
+
+        class AlwaysEqual(object):
+            def __eq__(self, other):
+                return True
+        always_equal = AlwaysEqual()
+        self.assertEqual(range(10).count(always_equal), 10)
+
+        self.assertEqual(len(range(sys.maxsize, sys.maxsize+10)), 10)
+
+    def test_repr(self):
+        self.assertEqual(repr(range(1)), 'range(0, 1)')
+        self.assertEqual(repr(range(1, 2)), 'range(1, 2)')
+        self.assertEqual(repr(range(1, 2, 3)), 'range(1, 2, 3)')
+
+    def test_pickling(self):
+        testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1),
+                     (13, 21, 3), (-2, 2, 2), (2**65, 2**65+2)]
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            for t in testcases:
+                with self.subTest(proto=proto, test=t):
+                    r = range(*t)
+                    self.assertEqual(list(pickle.loads(pickle.dumps(r, proto))),
+                                     list(r))
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_iterator_pickling(self):
+        testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1),
+                     (13, 21, 3), (-2, 2, 2), (2**65, 2**65+2)]
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            for t in testcases:
+                it = itorg = iter(range(*t))
+                data = list(range(*t))
+
+                d = pickle.dumps(it, proto)
+                it = pickle.loads(d)
+                self.assertEqual(type(itorg), type(it))
+                self.assertEqual(list(it), data)
+
+                it = pickle.loads(d)
+                try:
+                    next(it)
+                except StopIteration:
+                    continue
+                d = pickle.dumps(it, proto)
+                it = pickle.loads(d)
+                self.assertEqual(list(it), data[1:])
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_exhausted_iterator_pickling(self):
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            r = range(2**65, 2**65+2)
+            i = iter(r)
+            while True:
+                r = next(i)
+                if r == 2**65+1:
+                    break
+            d = pickle.dumps(i, proto)
+            i2 = pickle.loads(d)
+            self.assertEqual(list(i), [])
+            self.assertEqual(list(i2), [])
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_large_exhausted_iterator_pickling(self):
+        for proto in range(pickle.HIGHEST_PROTOCOL + 1):
+            r = range(20)
+            i = iter(r)
+            while True:
+                r = next(i)
+                if r == 19:
+                    break
+            d = pickle.dumps(i, proto)
+            i2 = pickle.loads(d)
+            self.assertEqual(list(i), [])
+            self.assertEqual(list(i2), [])
+
+    def test_odd_bug(self):
+        # This used to raise a "SystemError: NULL result without error"
+        # because the range validation step was eating the exception
+        # before NULL was returned.
+        with self.assertRaises(TypeError):
+            range([], 1, -1)
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_types(self):
+        # Non-integer objects *equal* to any of the range's items are supposed
+        # to be contained in the range.
+        self.assertIn(1.0, range(3))
+        self.assertIn(True, range(3))
+        self.assertIn(1+0j, range(3))
+
+        class C1:
+            def __eq__(self, other): return True
+        self.assertIn(C1(), range(3))
+
+        # Objects are never coerced into other types for comparison.
+        class C2:
+            def __int__(self): return 1
+            def __index__(self): return 1
+        self.assertNotIn(C2(), range(3))
+        # ..except if explicitly told so.
+        self.assertIn(int(C2()), range(3))
+
+        # Check that the range.__contains__ optimization is only
+        # used for ints, not for instances of subclasses of int.
+        class C3(int):
+            def __eq__(self, other): return True
+        self.assertIn(C3(11), range(10))
+        self.assertIn(C3(11), list(range(10)))
+
+    def test_strided_limits(self):
+        r = range(0, 101, 2)
+        self.assertIn(0, r)
+        self.assertNotIn(1, r)
+        self.assertIn(2, r)
+        self.assertNotIn(99, r)
+        self.assertIn(100, r)
+        self.assertNotIn(101, r)
+
+        r = range(0, -20, -1)
+        self.assertIn(0, r)
+        self.assertIn(-1, r)
+        self.assertIn(-19, r)
+        self.assertNotIn(-20, r)
+
+        r = range(0, -20, -2)
+        self.assertIn(-18, r)
+        self.assertNotIn(-19, r)
+        self.assertNotIn(-20, r)
+
+    def test_empty(self):
+        r = range(0)
+        self.assertNotIn(0, r)
+        self.assertNotIn(1, r)
+
+        r = range(0, -10)
+        self.assertNotIn(0, r)
+        self.assertNotIn(-1, r)
+        self.assertNotIn(1, r)
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_range_iterators(self):
+        # exercise 'fast' iterators, that use a rangeiterobject internally.
+        # see issue 7298
+        limits = [base + jiggle
+                  for M in (2**32, 2**64)
+                  for base in (-M, -M//2, 0, M//2, M)
+                  for jiggle in (-2, -1, 0, 1, 2)]
+        test_ranges = [(start, end, step)
+                       for start in limits
+                       for end in limits
+                       for step in (-2**63, -2**31, -2, -1, 1, 2)]
+
+        for start, end, step in test_ranges:
+            iter1 = range(start, end, step)
+            iter2 = pyrange(start, end, step)
+            test_id = "range({}, {}, {})".format(start, end, step)
+            # check first 100 entries
+            self.assert_iterators_equal(iter1, iter2, test_id, limit=100)
+
+            iter1 = reversed(range(start, end, step))
+            iter2 = pyrange_reversed(start, end, step)
+            test_id = "reversed(range({}, {}, {}))".format(start, end, step)
+            self.assert_iterators_equal(iter1, iter2, test_id, limit=100)
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_range_iterators_invocation(self):
+        # verify range iterators instances cannot be created by
+        # calling their type
+        rangeiter_type = type(iter(range(0)))
+        self.assertRaises(TypeError, rangeiter_type, 1, 3, 1)
+        long_rangeiter_type = type(iter(range(1 << 1000)))
+        self.assertRaises(TypeError, long_rangeiter_type, 1, 3, 1)
+
+    def test_slice(self):
+        def check(start, stop, step=None):
+            i = slice(start, stop, step)
+            self.assertEqual(list(r[i]), list(r)[i])
+            self.assertEqual(len(r[i]), len(list(r)[i]))
+        for r in [range(10),
+                  range(0),
+                  range(1, 9, 3),
+                  range(8, 0, -3),
+                  range(sys.maxsize+1, sys.maxsize+10),
+                  ]:
+            check(0, 2)
+            check(0, 20)
+            check(1, 2)
+            check(20, 30)
+            check(-30, -20)
+            check(-1, 100, 2)
+            check(0, -1)
+            check(-1, -3, -1)
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_contains(self):
+        r = range(10)
+        self.assertIn(0, r)
+        self.assertIn(1, r)
+        self.assertIn(5.0, r)
+        self.assertNotIn(5.1, r)
+        self.assertNotIn(-1, r)
+        self.assertNotIn(10, r)
+        self.assertNotIn("", r)
+        r = range(9, -1, -1)
+        self.assertIn(0, r)
+        self.assertIn(1, r)
+        self.assertIn(5.0, r)
+        self.assertNotIn(5.1, r)
+        self.assertNotIn(-1, r)
+        self.assertNotIn(10, r)
+        self.assertNotIn("", r)
+        r = range(0, 10, 2)
+        self.assertIn(0, r)
+        self.assertNotIn(1, r)
+        self.assertNotIn(5.0, r)
+        self.assertNotIn(5.1, r)
+        self.assertNotIn(-1, r)
+        self.assertNotIn(10, r)
+        self.assertNotIn("", r)
+        r = range(9, -1, -2)
+        self.assertNotIn(0, r)
+        self.assertIn(1, r)
+        self.assertIn(5.0, r)
+        self.assertNotIn(5.1, r)
+        self.assertNotIn(-1, r)
+        self.assertNotIn(10, r)
+        self.assertNotIn("", r)
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_reverse_iteration(self):
+        for r in [range(10),
+                  range(0),
+                  range(1, 9, 3),
+                  range(8, 0, -3),
+                  range(sys.maxsize+1, sys.maxsize+10),
+                  ]:
+            self.assertEqual(list(reversed(r)), list(r)[::-1])
+
+    def test_issue11845(self):
+        r = range(*slice(1, 18, 2).indices(20))
+        values = {None, 0, 1, -1, 2, -2, 5, -5, 19, -19,
+                  20, -20, 21, -21, 30, -30, 99, -99}
+        for i in values:
+            for j in values:
+                for k in values - {0}:
+                    r[i:j:k]
+
+    def test_comparison(self):
+        test_ranges = [range(0), range(0, -1), range(1, 1, 3),
+                       range(1), range(5, 6), range(5, 6, 2),
+                       range(5, 7, 2), range(2), range(0, 4, 2),
+                       range(0, 5, 2), range(0, 6, 2)]
+        test_tuples = list(map(tuple, test_ranges))
+
+        # Check that equality of ranges matches equality of the corresponding
+        # tuples for each pair from the test lists above.
+        ranges_eq = [a == b for a in test_ranges for b in test_ranges]
+        tuples_eq = [a == b for a in test_tuples for b in test_tuples]
+        self.assertEqual(ranges_eq, tuples_eq)
+
+        # Check that != correctly gives the logical negation of ==
+        ranges_ne = [a != b for a in test_ranges for b in test_ranges]
+        self.assertEqual(ranges_ne, [not x for x in ranges_eq])
+
+        # Equal ranges should have equal hashes.
+        for a in test_ranges:
+            for b in test_ranges:
+                if a == b:
+                    self.assertEqual(hash(a), hash(b))
+
+        # Ranges are unequal to other types (even sequence types)
+        self.assertIs(range(0) == (), False)
+        self.assertIs(() == range(0), False)
+        self.assertIs(range(2) == [0, 1], False)
+
+        # Huge integers aren't a problem.
+        self.assertEqual(range(0, 2**100 - 1, 2),
+                         range(0, 2**100, 2))
+        self.assertEqual(hash(range(0, 2**100 - 1, 2)),
+                         hash(range(0, 2**100, 2)))
+        self.assertNotEqual(range(0, 2**100, 2),
+                            range(0, 2**100 + 1, 2))
+        self.assertEqual(range(2**200, 2**201 - 2**99, 2**100),
+                         range(2**200, 2**201, 2**100))
+        self.assertEqual(hash(range(2**200, 2**201 - 2**99, 2**100)),
+                         hash(range(2**200, 2**201, 2**100)))
+        self.assertNotEqual(range(2**200, 2**201, 2**100),
+                            range(2**200, 2**201 + 1, 2**100))
+
+        # Order comparisons are not implemented for ranges.
+        with self.assertRaises(TypeError):
+            range(0) < range(0)
+        with self.assertRaises(TypeError):
+            range(0) > range(0)
+        with self.assertRaises(TypeError):
+            range(0) <= range(0)
+        with self.assertRaises(TypeError):
+            range(0) >= range(0)
+
+
+    def test_attributes(self):
+        # test the start, stop and step attributes of range objects
+        self.assert_attrs(range(0), 0, 0, 1)
+        self.assert_attrs(range(10), 0, 10, 1)
+        self.assert_attrs(range(-10), 0, -10, 1)
+        self.assert_attrs(range(0, 10, 1), 0, 10, 1)
+        self.assert_attrs(range(0, 10, 3), 0, 10, 3)
+        self.assert_attrs(range(10, 0, -1), 10, 0, -1)
+        self.assert_attrs(range(10, 0, -3), 10, 0, -3)
+
+    def assert_attrs(self, rangeobj, start, stop, step):
+        self.assertEqual(rangeobj.start, start)
+        self.assertEqual(rangeobj.stop, stop)
+        self.assertEqual(rangeobj.step, step)
+
+        with self.assertRaises(AttributeError):
+            rangeobj.start = 0
+        with self.assertRaises(AttributeError):
+            rangeobj.stop = 10
+        with self.assertRaises(AttributeError):
+            rangeobj.step = 1
+
+        with self.assertRaises(AttributeError):
+            del rangeobj.start
+        with self.assertRaises(AttributeError):
+            del rangeobj.stop
+        with self.assertRaises(AttributeError):
+            del rangeobj.step
+
+if __name__ == "__main__":
+    unittest.main()