367 lines
11 KiB
Python
367 lines
11 KiB
Python
# Copyright 2013-2017 DataStax, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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try:
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import unittest2 as unittest
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except ImportError:
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import unittest # noqa
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from cassandra.util import sortedset
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from cassandra.cqltypes import EMPTY
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class SortedSetTest(unittest.TestCase):
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def test_init(self):
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input = [5, 4, 3, 2, 1, 1, 1]
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expected = sorted(set(input))
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ss = sortedset(input)
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self.assertEqual(len(ss), len(expected))
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self.assertEqual(list(ss), expected)
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def test_repr(self):
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self.assertEqual(repr(sortedset([1, 2, 3, 4])), "SortedSet([1, 2, 3, 4])")
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def test_contains(self):
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input = [5, 4, 3, 2, 1, 1, 1]
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expected = sorted(set(input))
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ss = sortedset(input)
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for i in expected:
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self.assertTrue(i in ss)
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self.assertFalse(i not in ss)
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hi = max(expected)+1
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lo = min(expected)-1
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self.assertFalse(hi in ss)
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self.assertFalse(lo in ss)
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def test_mutable_contents(self):
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ba = bytearray(b'some data here')
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ss = sortedset([ba, ba])
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self.assertEqual(list(ss), [ba])
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def test_clear(self):
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ss = sortedset([1, 2, 3])
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ss.clear()
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self.assertEqual(len(ss), 0)
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def test_equal(self):
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s1 = set([1])
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s12 = set([1, 2])
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ss1 = sortedset(s1)
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ss12 = sortedset(s12)
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self.assertEqual(ss1, s1)
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self.assertEqual(ss12, s12)
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self.assertEqual(ss12, s12)
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self.assertEqual(ss1.__eq__(None), NotImplemented)
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self.assertNotEqual(ss1, ss12)
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self.assertNotEqual(ss12, ss1)
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self.assertNotEqual(ss1, s12)
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self.assertNotEqual(ss12, s1)
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self.assertNotEqual(ss1, EMPTY)
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def test_copy(self):
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class comparable(object):
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def __lt__(self, other):
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return id(self) < id(other)
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o = comparable()
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ss = sortedset([comparable(), o])
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ss2 = ss.copy()
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self.assertNotEqual(id(ss), id(ss2))
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self.assertTrue(o in ss)
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self.assertTrue(o in ss2)
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def test_isdisjoint(self):
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# set, ss
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s12 = set([1, 2])
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s2 = set([2])
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ss1 = sortedset([1])
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ss13 = sortedset([1, 3])
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ss3 = sortedset([3])
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# s ss disjoint
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self.assertTrue(s2.isdisjoint(ss1))
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self.assertTrue(s2.isdisjoint(ss13))
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# s ss not disjoint
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self.assertFalse(s12.isdisjoint(ss1))
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self.assertFalse(s12.isdisjoint(ss13))
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# ss s disjoint
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self.assertTrue(ss1.isdisjoint(s2))
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self.assertTrue(ss13.isdisjoint(s2))
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# ss s not disjoint
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self.assertFalse(ss1.isdisjoint(s12))
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self.assertFalse(ss13.isdisjoint(s12))
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# ss ss disjoint
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self.assertTrue(ss1.isdisjoint(ss3))
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self.assertTrue(ss3.isdisjoint(ss1))
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# ss ss not disjoint
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self.assertFalse(ss1.isdisjoint(ss13))
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self.assertFalse(ss13.isdisjoint(ss1))
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self.assertFalse(ss3.isdisjoint(ss13))
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self.assertFalse(ss13.isdisjoint(ss3))
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def test_issubset(self):
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s12 = set([1, 2])
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ss1 = sortedset([1])
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ss13 = sortedset([1, 3])
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ss3 = sortedset([3])
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self.assertTrue(ss1.issubset(s12))
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self.assertTrue(ss1.issubset(ss13))
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self.assertFalse(ss1.issubset(ss3))
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self.assertFalse(ss13.issubset(ss3))
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self.assertFalse(ss13.issubset(ss1))
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self.assertFalse(ss13.issubset(s12))
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def test_issuperset(self):
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s12 = set([1, 2])
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ss1 = sortedset([1])
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ss13 = sortedset([1, 3])
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ss3 = sortedset([3])
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self.assertTrue(s12.issuperset(ss1))
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self.assertTrue(ss13.issuperset(ss3))
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self.assertTrue(ss13.issuperset(ss13))
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self.assertFalse(s12.issuperset(ss13))
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self.assertFalse(ss1.issuperset(ss3))
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self.assertFalse(ss1.issuperset(ss13))
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def test_union(self):
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s1 = set([1])
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ss12 = sortedset([1, 2])
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ss23 = sortedset([2, 3])
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self.assertEqual(sortedset().union(s1), sortedset([1]))
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self.assertEqual(ss12.union(s1), sortedset([1, 2]))
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self.assertEqual(ss12.union(ss23), sortedset([1, 2, 3]))
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self.assertEqual(ss23.union(ss12), sortedset([1, 2, 3]))
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self.assertEqual(ss23.union(s1), sortedset([1, 2, 3]))
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def test_intersection(self):
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s12 = set([1, 2])
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ss23 = sortedset([2, 3])
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self.assertEqual(s12.intersection(ss23), set([2]))
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self.assertEqual(ss23.intersection(s12), sortedset([2]))
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self.assertEqual(ss23.intersection(s12, [2], (2,)), sortedset([2]))
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self.assertEqual(ss23.intersection(s12, [900], (2,)), sortedset())
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def test_difference(self):
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s1 = set([1])
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ss12 = sortedset([1, 2])
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ss23 = sortedset([2, 3])
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self.assertEqual(sortedset().difference(s1), sortedset())
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self.assertEqual(ss12.difference(s1), sortedset([2]))
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self.assertEqual(ss12.difference(ss23), sortedset([1]))
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self.assertEqual(ss23.difference(ss12), sortedset([3]))
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self.assertEqual(ss23.difference(s1), sortedset([2, 3]))
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def test_symmetric_difference(self):
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s = set([1, 3, 5])
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ss = sortedset([2, 3, 4])
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ss2 = sortedset([5, 6, 7])
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self.assertEqual(ss.symmetric_difference(s), sortedset([1, 2, 4, 5]))
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self.assertFalse(ss.symmetric_difference(ss))
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self.assertEqual(ss.symmetric_difference(s), sortedset([1, 2, 4, 5]))
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self.assertEqual(ss2.symmetric_difference(ss), sortedset([2, 3, 4, 5, 6, 7]))
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def test_pop(self):
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ss = sortedset([2, 1])
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self.assertEqual(ss.pop(), 2)
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self.assertEqual(ss.pop(), 1)
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try:
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ss.pop()
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self.fail("Error not thrown")
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except (KeyError, IndexError) as e:
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pass
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def test_remove(self):
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ss = sortedset([2, 1])
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self.assertEqual(len(ss), 2)
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self.assertRaises(KeyError, ss.remove, 3)
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self.assertEqual(len(ss), 2)
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ss.remove(1)
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self.assertEqual(len(ss), 1)
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ss.remove(2)
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self.assertFalse(ss)
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self.assertRaises(KeyError, ss.remove, 2)
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self.assertFalse(ss)
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def test_getitem(self):
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ss = sortedset(range(3))
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for i in range(len(ss)):
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self.assertEqual(ss[i], i)
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with self.assertRaises(IndexError):
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ss[len(ss)]
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def test_delitem(self):
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expected = [1,2,3,4]
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ss = sortedset(expected)
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for i in range(len(ss)):
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self.assertListEqual(list(ss), expected[i:])
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del ss[0]
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with self.assertRaises(IndexError):
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ss[0]
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def test_delslice(self):
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expected = [1, 2, 3, 4, 5]
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ss = sortedset(expected)
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del ss[1:3]
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self.assertListEqual(list(ss), [1, 4, 5])
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del ss[-1:]
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self.assertListEqual(list(ss), [1, 4])
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del ss[1:]
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self.assertListEqual(list(ss), [1])
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del ss[:]
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self.assertFalse(ss)
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with self.assertRaises(IndexError):
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del ss[0]
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def test_reversed(self):
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expected = range(10)
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self.assertListEqual(list(reversed(sortedset(expected))), list(reversed(expected)))
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def test_operators(self):
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ss1 = sortedset([1])
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ss12 = sortedset([1, 2])
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# __ne__
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self.assertFalse(ss12 != ss12)
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self.assertFalse(ss12 != sortedset([1, 2]))
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self.assertTrue(ss12 != sortedset())
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# __le__
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self.assertTrue(ss1 <= ss12)
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self.assertTrue(ss12 <= ss12)
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self.assertFalse(ss12 <= ss1)
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# __lt__
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self.assertTrue(ss1 < ss12)
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self.assertFalse(ss12 < ss12)
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self.assertFalse(ss12 < ss1)
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# __ge__
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self.assertFalse(ss1 >= ss12)
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self.assertTrue(ss12 >= ss12)
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self.assertTrue(ss12 >= ss1)
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# __gt__
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self.assertFalse(ss1 > ss12)
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self.assertFalse(ss12 > ss12)
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self.assertTrue(ss12 > ss1)
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# __and__
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self.assertEqual(ss1 & ss12, ss1)
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self.assertEqual(ss12 & ss12, ss12)
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self.assertEqual(ss12 & set(), sortedset())
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# __iand__
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tmp = sortedset(ss12)
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tmp &= ss1
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self.assertEqual(tmp, ss1)
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tmp = sortedset(ss1)
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tmp &= ss12
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self.assertEqual(tmp, ss1)
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tmp = sortedset(ss12)
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tmp &= ss12
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self.assertEqual(tmp, ss12)
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tmp = sortedset(ss12)
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tmp &= set()
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self.assertEqual(tmp, sortedset())
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# __rand__
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self.assertEqual(set([1]) & ss12, ss1)
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# __or__
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self.assertEqual(ss1 | ss12, ss12)
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self.assertEqual(ss12 | ss12, ss12)
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self.assertEqual(ss12 | set(), ss12)
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self.assertEqual(sortedset() | ss1 | ss12, ss12)
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# __ior__
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tmp = sortedset(ss1)
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tmp |= ss12
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self.assertEqual(tmp, ss12)
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tmp = sortedset(ss12)
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tmp |= ss12
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self.assertEqual(tmp, ss12)
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tmp = sortedset(ss12)
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tmp |= set()
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self.assertEqual(tmp, ss12)
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tmp = sortedset()
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tmp |= ss1
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tmp |= ss12
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self.assertEqual(tmp, ss12)
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# __ror__
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self.assertEqual(set([1]) | ss12, ss12)
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# __sub__
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self.assertEqual(ss1 - ss12, set())
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self.assertEqual(ss12 - ss12, set())
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self.assertEqual(ss12 - set(), ss12)
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self.assertEqual(ss12 - ss1, sortedset([2]))
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# __isub__
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tmp = sortedset(ss1)
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tmp -= ss12
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self.assertEqual(tmp, set())
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tmp = sortedset(ss12)
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tmp -= ss12
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self.assertEqual(tmp, set())
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tmp = sortedset(ss12)
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tmp -= set()
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self.assertEqual(tmp, ss12)
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tmp = sortedset(ss12)
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tmp -= ss1
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self.assertEqual(tmp, sortedset([2]))
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# __rsub__
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self.assertEqual(set((1,2,3)) - ss12, set((3,)))
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# __xor__
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self.assertEqual(ss1 ^ ss12, set([2]))
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self.assertEqual(ss12 ^ ss1, set([2]))
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self.assertEqual(ss12 ^ ss12, set())
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self.assertEqual(ss12 ^ set(), ss12)
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# __ixor__
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tmp = sortedset(ss1)
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tmp ^= ss12
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self.assertEqual(tmp, set([2]))
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tmp = sortedset(ss12)
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tmp ^= ss1
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self.assertEqual(tmp, set([2]))
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tmp = sortedset(ss12)
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tmp ^= ss12
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self.assertEqual(tmp, set())
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tmp = sortedset(ss12)
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tmp ^= set()
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self.assertEqual(tmp, ss12)
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# __rxor__
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self.assertEqual(set([1, 2]) ^ ss1, (set([2])))
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def test_reduce_pickle(self):
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ss = sortedset((4,3,2,1))
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import pickle
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s = pickle.dumps(ss)
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self.assertEqual(pickle.loads(s), ss)
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