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-rw-r--r--lib/python2.7/test/test_sets.py862
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diff --git a/lib/python2.7/test/test_sets.py b/lib/python2.7/test/test_sets.py
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index 0754ed7..0000000
--- a/lib/python2.7/test/test_sets.py
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@@ -1,862 +0,0 @@
-#!/usr/bin/env python
-
-import unittest, operator, copy, pickle, random
-from test import test_support
-
-test_support.import_module("sets", deprecated=True)
-from sets import Set, ImmutableSet
-
-empty_set = Set()
-
-#==============================================================================
-
-class TestBasicOps(unittest.TestCase):
-
- def test_repr(self):
- if self.repr is not None:
- self.assertEqual(repr(self.set), self.repr)
-
- def test_length(self):
- self.assertEqual(len(self.set), self.length)
-
- def test_self_equality(self):
- self.assertEqual(self.set, self.set)
-
- def test_equivalent_equality(self):
- self.assertEqual(self.set, self.dup)
-
- def test_copy(self):
- self.assertEqual(self.set.copy(), self.dup)
-
- def test_self_union(self):
- result = self.set | self.set
- self.assertEqual(result, self.dup)
-
- def test_empty_union(self):
- result = self.set | empty_set
- self.assertEqual(result, self.dup)
-
- def test_union_empty(self):
- result = empty_set | self.set
- self.assertEqual(result, self.dup)
-
- def test_self_intersection(self):
- result = self.set & self.set
- self.assertEqual(result, self.dup)
-
- def test_empty_intersection(self):
- result = self.set & empty_set
- self.assertEqual(result, empty_set)
-
- def test_intersection_empty(self):
- result = empty_set & self.set
- self.assertEqual(result, empty_set)
-
- def test_self_symmetric_difference(self):
- result = self.set ^ self.set
- self.assertEqual(result, empty_set)
-
- def checkempty_symmetric_difference(self):
- result = self.set ^ empty_set
- self.assertEqual(result, self.set)
-
- def test_self_difference(self):
- result = self.set - self.set
- self.assertEqual(result, empty_set)
-
- def test_empty_difference(self):
- result = self.set - empty_set
- self.assertEqual(result, self.dup)
-
- def test_empty_difference_rev(self):
- result = empty_set - self.set
- self.assertEqual(result, empty_set)
-
- def test_iteration(self):
- for v in self.set:
- self.assertIn(v, self.values)
-
- def test_pickling(self):
- p = pickle.dumps(self.set)
- copy = pickle.loads(p)
- self.assertEqual(self.set, copy,
- "%s != %s" % (self.set, copy))
-
-#------------------------------------------------------------------------------
-
-class TestBasicOpsEmpty(TestBasicOps):
- def setUp(self):
- self.case = "empty set"
- self.values = []
- self.set = Set(self.values)
- self.dup = Set(self.values)
- self.length = 0
- self.repr = "Set([])"
-
-#------------------------------------------------------------------------------
-
-class TestBasicOpsSingleton(TestBasicOps):
- def setUp(self):
- self.case = "unit set (number)"
- self.values = [3]
- self.set = Set(self.values)
- self.dup = Set(self.values)
- self.length = 1
- self.repr = "Set([3])"
-
- def test_in(self):
- self.assertTrue(3 in self.set)
-
- def test_not_in(self):
- self.assertTrue(2 not in self.set)
-
-#------------------------------------------------------------------------------
-
-class TestBasicOpsTuple(TestBasicOps):
- def setUp(self):
- self.case = "unit set (tuple)"
- self.values = [(0, "zero")]
- self.set = Set(self.values)
- self.dup = Set(self.values)
- self.length = 1
- self.repr = "Set([(0, 'zero')])"
-
- def test_in(self):
- self.assertTrue((0, "zero") in self.set)
-
- def test_not_in(self):
- self.assertTrue(9 not in self.set)
-
-#------------------------------------------------------------------------------
-
-class TestBasicOpsTriple(TestBasicOps):
- def setUp(self):
- self.case = "triple set"
- self.values = [0, "zero", operator.add]
- self.set = Set(self.values)
- self.dup = Set(self.values)
- self.length = 3
- self.repr = None
-
-#==============================================================================
-
-def baditer():
- raise TypeError
- yield True
-
-def gooditer():
- yield True
-
-class TestExceptionPropagation(unittest.TestCase):
- """SF 628246: Set constructor should not trap iterator TypeErrors"""
-
- def test_instanceWithException(self):
- self.assertRaises(TypeError, Set, baditer())
-
- def test_instancesWithoutException(self):
- # All of these iterables should load without exception.
- Set([1,2,3])
- Set((1,2,3))
- Set({'one':1, 'two':2, 'three':3})
- Set(xrange(3))
- Set('abc')
- Set(gooditer())
-
-#==============================================================================
-
-class TestSetOfSets(unittest.TestCase):
- def test_constructor(self):
- inner = Set([1])
- outer = Set([inner])
- element = outer.pop()
- self.assertEqual(type(element), ImmutableSet)
- outer.add(inner) # Rebuild set of sets with .add method
- outer.remove(inner)
- self.assertEqual(outer, Set()) # Verify that remove worked
- outer.discard(inner) # Absence of KeyError indicates working fine
-
-#==============================================================================
-
-class TestBinaryOps(unittest.TestCase):
- def setUp(self):
- self.set = Set((2, 4, 6))
-
- def test_eq(self): # SF bug 643115
- self.assertEqual(self.set, Set({2:1,4:3,6:5}))
-
- def test_union_subset(self):
- result = self.set | Set([2])
- self.assertEqual(result, Set((2, 4, 6)))
-
- def test_union_superset(self):
- result = self.set | Set([2, 4, 6, 8])
- self.assertEqual(result, Set([2, 4, 6, 8]))
-
- def test_union_overlap(self):
- result = self.set | Set([3, 4, 5])
- self.assertEqual(result, Set([2, 3, 4, 5, 6]))
-
- def test_union_non_overlap(self):
- result = self.set | Set([8])
- self.assertEqual(result, Set([2, 4, 6, 8]))
-
- def test_intersection_subset(self):
- result = self.set & Set((2, 4))
- self.assertEqual(result, Set((2, 4)))
-
- def test_intersection_superset(self):
- result = self.set & Set([2, 4, 6, 8])
- self.assertEqual(result, Set([2, 4, 6]))
-
- def test_intersection_overlap(self):
- result = self.set & Set([3, 4, 5])
- self.assertEqual(result, Set([4]))
-
- def test_intersection_non_overlap(self):
- result = self.set & Set([8])
- self.assertEqual(result, empty_set)
-
- def test_sym_difference_subset(self):
- result = self.set ^ Set((2, 4))
- self.assertEqual(result, Set([6]))
-
- def test_sym_difference_superset(self):
- result = self.set ^ Set((2, 4, 6, 8))
- self.assertEqual(result, Set([8]))
-
- def test_sym_difference_overlap(self):
- result = self.set ^ Set((3, 4, 5))
- self.assertEqual(result, Set([2, 3, 5, 6]))
-
- def test_sym_difference_non_overlap(self):
- result = self.set ^ Set([8])
- self.assertEqual(result, Set([2, 4, 6, 8]))
-
- def test_cmp(self):
- a, b = Set('a'), Set('b')
- self.assertRaises(TypeError, cmp, a, b)
-
- # You can view this as a buglet: cmp(a, a) does not raise TypeError,
- # because __eq__ is tried before __cmp__, and a.__eq__(a) returns True,
- # which Python thinks is good enough to synthesize a cmp() result
- # without calling __cmp__.
- self.assertEqual(cmp(a, a), 0)
-
- self.assertRaises(TypeError, cmp, a, 12)
- self.assertRaises(TypeError, cmp, "abc", a)
-
- def test_inplace_on_self(self):
- t = self.set.copy()
- t |= t
- self.assertEqual(t, self.set)
- t &= t
- self.assertEqual(t, self.set)
- t -= t
- self.assertEqual(len(t), 0)
- t = self.set.copy()
- t ^= t
- self.assertEqual(len(t), 0)
-
-
-#==============================================================================
-
-class TestUpdateOps(unittest.TestCase):
- def setUp(self):
- self.set = Set((2, 4, 6))
-
- def test_union_subset(self):
- self.set |= Set([2])
- self.assertEqual(self.set, Set((2, 4, 6)))
-
- def test_union_superset(self):
- self.set |= Set([2, 4, 6, 8])
- self.assertEqual(self.set, Set([2, 4, 6, 8]))
-
- def test_union_overlap(self):
- self.set |= Set([3, 4, 5])
- self.assertEqual(self.set, Set([2, 3, 4, 5, 6]))
-
- def test_union_non_overlap(self):
- self.set |= Set([8])
- self.assertEqual(self.set, Set([2, 4, 6, 8]))
-
- def test_union_method_call(self):
- self.set.union_update(Set([3, 4, 5]))
- self.assertEqual(self.set, Set([2, 3, 4, 5, 6]))
-
- def test_intersection_subset(self):
- self.set &= Set((2, 4))
- self.assertEqual(self.set, Set((2, 4)))
-
- def test_intersection_superset(self):
- self.set &= Set([2, 4, 6, 8])
- self.assertEqual(self.set, Set([2, 4, 6]))
-
- def test_intersection_overlap(self):
- self.set &= Set([3, 4, 5])
- self.assertEqual(self.set, Set([4]))
-
- def test_intersection_non_overlap(self):
- self.set &= Set([8])
- self.assertEqual(self.set, empty_set)
-
- def test_intersection_method_call(self):
- self.set.intersection_update(Set([3, 4, 5]))
- self.assertEqual(self.set, Set([4]))
-
- def test_sym_difference_subset(self):
- self.set ^= Set((2, 4))
- self.assertEqual(self.set, Set([6]))
-
- def test_sym_difference_superset(self):
- self.set ^= Set((2, 4, 6, 8))
- self.assertEqual(self.set, Set([8]))
-
- def test_sym_difference_overlap(self):
- self.set ^= Set((3, 4, 5))
- self.assertEqual(self.set, Set([2, 3, 5, 6]))
-
- def test_sym_difference_non_overlap(self):
- self.set ^= Set([8])
- self.assertEqual(self.set, Set([2, 4, 6, 8]))
-
- def test_sym_difference_method_call(self):
- self.set.symmetric_difference_update(Set([3, 4, 5]))
- self.assertEqual(self.set, Set([2, 3, 5, 6]))
-
- def test_difference_subset(self):
- self.set -= Set((2, 4))
- self.assertEqual(self.set, Set([6]))
-
- def test_difference_superset(self):
- self.set -= Set((2, 4, 6, 8))
- self.assertEqual(self.set, Set([]))
-
- def test_difference_overlap(self):
- self.set -= Set((3, 4, 5))
- self.assertEqual(self.set, Set([2, 6]))
-
- def test_difference_non_overlap(self):
- self.set -= Set([8])
- self.assertEqual(self.set, Set([2, 4, 6]))
-
- def test_difference_method_call(self):
- self.set.difference_update(Set([3, 4, 5]))
- self.assertEqual(self.set, Set([2, 6]))
-
-#==============================================================================
-
-class TestMutate(unittest.TestCase):
- def setUp(self):
- self.values = ["a", "b", "c"]
- self.set = Set(self.values)
-
- def test_add_present(self):
- self.set.add("c")
- self.assertEqual(self.set, Set("abc"))
-
- def test_add_absent(self):
- self.set.add("d")
- self.assertEqual(self.set, Set("abcd"))
-
- def test_add_until_full(self):
- tmp = Set()
- expected_len = 0
- for v in self.values:
- tmp.add(v)
- expected_len += 1
- self.assertEqual(len(tmp), expected_len)
- self.assertEqual(tmp, self.set)
-
- def test_remove_present(self):
- self.set.remove("b")
- self.assertEqual(self.set, Set("ac"))
-
- def test_remove_absent(self):
- try:
- self.set.remove("d")
- self.fail("Removing missing element should have raised LookupError")
- except LookupError:
- pass
-
- def test_remove_until_empty(self):
- expected_len = len(self.set)
- for v in self.values:
- self.set.remove(v)
- expected_len -= 1
- self.assertEqual(len(self.set), expected_len)
-
- def test_discard_present(self):
- self.set.discard("c")
- self.assertEqual(self.set, Set("ab"))
-
- def test_discard_absent(self):
- self.set.discard("d")
- self.assertEqual(self.set, Set("abc"))
-
- def test_clear(self):
- self.set.clear()
- self.assertEqual(len(self.set), 0)
-
- def test_pop(self):
- popped = {}
- while self.set:
- popped[self.set.pop()] = None
- self.assertEqual(len(popped), len(self.values))
- for v in self.values:
- self.assertIn(v, popped)
-
- def test_update_empty_tuple(self):
- self.set.union_update(())
- self.assertEqual(self.set, Set(self.values))
-
- def test_update_unit_tuple_overlap(self):
- self.set.union_update(("a",))
- self.assertEqual(self.set, Set(self.values))
-
- def test_update_unit_tuple_non_overlap(self):
- self.set.union_update(("a", "z"))
- self.assertEqual(self.set, Set(self.values + ["z"]))
-
-#==============================================================================
-
-class TestSubsets(unittest.TestCase):
-
- case2method = {"<=": "issubset",
- ">=": "issuperset",
- }
-
- reverse = {"==": "==",
- "!=": "!=",
- "<": ">",
- ">": "<",
- "<=": ">=",
- ">=": "<=",
- }
-
- def test_issubset(self):
- x = self.left
- y = self.right
- for case in "!=", "==", "<", "<=", ">", ">=":
- expected = case in self.cases
- # Test the binary infix spelling.
- result = eval("x" + case + "y", locals())
- self.assertEqual(result, expected)
- # Test the "friendly" method-name spelling, if one exists.
- if case in TestSubsets.case2method:
- method = getattr(x, TestSubsets.case2method[case])
- result = method(y)
- self.assertEqual(result, expected)
-
- # Now do the same for the operands reversed.
- rcase = TestSubsets.reverse[case]
- result = eval("y" + rcase + "x", locals())
- self.assertEqual(result, expected)
- if rcase in TestSubsets.case2method:
- method = getattr(y, TestSubsets.case2method[rcase])
- result = method(x)
- self.assertEqual(result, expected)
-#------------------------------------------------------------------------------
-
-class TestSubsetEqualEmpty(TestSubsets):
- left = Set()
- right = Set()
- name = "both empty"
- cases = "==", "<=", ">="
-
-#------------------------------------------------------------------------------
-
-class TestSubsetEqualNonEmpty(TestSubsets):
- left = Set([1, 2])
- right = Set([1, 2])
- name = "equal pair"
- cases = "==", "<=", ">="
-
-#------------------------------------------------------------------------------
-
-class TestSubsetEmptyNonEmpty(TestSubsets):
- left = Set()
- right = Set([1, 2])
- name = "one empty, one non-empty"
- cases = "!=", "<", "<="
-
-#------------------------------------------------------------------------------
-
-class TestSubsetPartial(TestSubsets):
- left = Set([1])
- right = Set([1, 2])
- name = "one a non-empty proper subset of other"
- cases = "!=", "<", "<="
-
-#------------------------------------------------------------------------------
-
-class TestSubsetNonOverlap(TestSubsets):
- left = Set([1])
- right = Set([2])
- name = "neither empty, neither contains"
- cases = "!="
-
-#==============================================================================
-
-class TestOnlySetsInBinaryOps(unittest.TestCase):
-
- def test_eq_ne(self):
- # Unlike the others, this is testing that == and != *are* allowed.
- self.assertEqual(self.other == self.set, False)
- self.assertEqual(self.set == self.other, False)
- self.assertEqual(self.other != self.set, True)
- self.assertEqual(self.set != self.other, True)
-
- def test_ge_gt_le_lt(self):
- self.assertRaises(TypeError, lambda: self.set < self.other)
- self.assertRaises(TypeError, lambda: self.set <= self.other)
- self.assertRaises(TypeError, lambda: self.set > self.other)
- self.assertRaises(TypeError, lambda: self.set >= self.other)
-
- self.assertRaises(TypeError, lambda: self.other < self.set)
- self.assertRaises(TypeError, lambda: self.other <= self.set)
- self.assertRaises(TypeError, lambda: self.other > self.set)
- self.assertRaises(TypeError, lambda: self.other >= self.set)
-
- def test_union_update_operator(self):
- try:
- self.set |= self.other
- except TypeError:
- pass
- else:
- self.fail("expected TypeError")
-
- def test_union_update(self):
- if self.otherIsIterable:
- self.set.union_update(self.other)
- else:
- self.assertRaises(TypeError, self.set.union_update, self.other)
-
- def test_union(self):
- self.assertRaises(TypeError, lambda: self.set | self.other)
- self.assertRaises(TypeError, lambda: self.other | self.set)
- if self.otherIsIterable:
- self.set.union(self.other)
- else:
- self.assertRaises(TypeError, self.set.union, self.other)
-
- def test_intersection_update_operator(self):
- try:
- self.set &= self.other
- except TypeError:
- pass
- else:
- self.fail("expected TypeError")
-
- def test_intersection_update(self):
- if self.otherIsIterable:
- self.set.intersection_update(self.other)
- else:
- self.assertRaises(TypeError,
- self.set.intersection_update,
- self.other)
-
- def test_intersection(self):
- self.assertRaises(TypeError, lambda: self.set & self.other)
- self.assertRaises(TypeError, lambda: self.other & self.set)
- if self.otherIsIterable:
- self.set.intersection(self.other)
- else:
- self.assertRaises(TypeError, self.set.intersection, self.other)
-
- def test_sym_difference_update_operator(self):
- try:
- self.set ^= self.other
- except TypeError:
- pass
- else:
- self.fail("expected TypeError")
-
- def test_sym_difference_update(self):
- if self.otherIsIterable:
- self.set.symmetric_difference_update(self.other)
- else:
- self.assertRaises(TypeError,
- self.set.symmetric_difference_update,
- self.other)
-
- def test_sym_difference(self):
- self.assertRaises(TypeError, lambda: self.set ^ self.other)
- self.assertRaises(TypeError, lambda: self.other ^ self.set)
- if self.otherIsIterable:
- self.set.symmetric_difference(self.other)
- else:
- self.assertRaises(TypeError, self.set.symmetric_difference, self.other)
-
- def test_difference_update_operator(self):
- try:
- self.set -= self.other
- except TypeError:
- pass
- else:
- self.fail("expected TypeError")
-
- def test_difference_update(self):
- if self.otherIsIterable:
- self.set.difference_update(self.other)
- else:
- self.assertRaises(TypeError,
- self.set.difference_update,
- self.other)
-
- def test_difference(self):
- self.assertRaises(TypeError, lambda: self.set - self.other)
- self.assertRaises(TypeError, lambda: self.other - self.set)
- if self.otherIsIterable:
- self.set.difference(self.other)
- else:
- self.assertRaises(TypeError, self.set.difference, self.other)
-
-#------------------------------------------------------------------------------
-
-class TestOnlySetsNumeric(TestOnlySetsInBinaryOps):
- def setUp(self):
- self.set = Set((1, 2, 3))
- self.other = 19
- self.otherIsIterable = False
-
-#------------------------------------------------------------------------------
-
-class TestOnlySetsDict(TestOnlySetsInBinaryOps):
- def setUp(self):
- self.set = Set((1, 2, 3))
- self.other = {1:2, 3:4}
- self.otherIsIterable = True
-
-#------------------------------------------------------------------------------
-
-class TestOnlySetsOperator(TestOnlySetsInBinaryOps):
- def setUp(self):
- self.set = Set((1, 2, 3))
- self.other = operator.add
- self.otherIsIterable = False
-
- def test_ge_gt_le_lt(self):
- with test_support.check_py3k_warnings():
- super(TestOnlySetsOperator, self).test_ge_gt_le_lt()
-
-#------------------------------------------------------------------------------
-
-class TestOnlySetsTuple(TestOnlySetsInBinaryOps):
- def setUp(self):
- self.set = Set((1, 2, 3))
- self.other = (2, 4, 6)
- self.otherIsIterable = True
-
-#------------------------------------------------------------------------------
-
-class TestOnlySetsString(TestOnlySetsInBinaryOps):
- def setUp(self):
- self.set = Set((1, 2, 3))
- self.other = 'abc'
- self.otherIsIterable = True
-
-#------------------------------------------------------------------------------
-
-class TestOnlySetsGenerator(TestOnlySetsInBinaryOps):
- def setUp(self):
- def gen():
- for i in xrange(0, 10, 2):
- yield i
- self.set = Set((1, 2, 3))
- self.other = gen()
- self.otherIsIterable = True
-
-#------------------------------------------------------------------------------
-
-class TestOnlySetsofSets(TestOnlySetsInBinaryOps):
- def setUp(self):
- self.set = Set((1, 2, 3))
- self.other = [Set('ab'), ImmutableSet('cd')]
- self.otherIsIterable = True
-
-#==============================================================================
-
-class TestCopying(unittest.TestCase):
-
- def test_copy(self):
- dup = self.set.copy()
- self.assertEqual(len(dup), len(self.set))
- dup_list = sorted(dup)
- set_list = sorted(self.set)
- self.assertEqual(len(dup_list), len(set_list))
- for i, el in enumerate(dup_list):
- self.assertIs(el, set_list[i])
-
- def test_deep_copy(self):
- dup = copy.deepcopy(self.set)
- self.assertSetEqual(dup, self.set)
-
-#------------------------------------------------------------------------------
-
-class TestCopyingEmpty(TestCopying):
- def setUp(self):
- self.set = Set()
-
-#------------------------------------------------------------------------------
-
-class TestCopyingSingleton(TestCopying):
- def setUp(self):
- self.set = Set(["hello"])
-
-#------------------------------------------------------------------------------
-
-class TestCopyingTriple(TestCopying):
- def setUp(self):
- self.set = Set(["zero", 0, None])
-
- def test_copy(self):
- with test_support.check_py3k_warnings():
- super(TestCopyingTriple, self).test_copy()
-
-#------------------------------------------------------------------------------
-
-class TestCopyingTuple(TestCopying):
- def setUp(self):
- self.set = Set([(1, 2)])
-
-#------------------------------------------------------------------------------
-
-class TestCopyingNested(TestCopying):
- def setUp(self):
- self.set = Set([((1, 2), (3, 4))])
-
-#==============================================================================
-
-class TestIdentities(unittest.TestCase):
- def setUp(self):
- self.a = Set([random.randrange(100) for i in xrange(50)])
- self.b = Set([random.randrange(100) for i in xrange(50)])
-
- def test_binopsVsSubsets(self):
- a, b = self.a, self.b
- self.assertTrue(a - b <= a)
- self.assertTrue(b - a <= b)
- self.assertTrue(a & b <= a)
- self.assertTrue(a & b <= b)
- self.assertTrue(a | b >= a)
- self.assertTrue(a | b >= b)
- self.assertTrue(a ^ b <= a | b)
-
- def test_commutativity(self):
- a, b = self.a, self.b
- self.assertEqual(a&b, b&a)
- self.assertEqual(a|b, b|a)
- self.assertEqual(a^b, b^a)
- if a != b:
- self.assertNotEqual(a-b, b-a)
-
- def test_reflexsive_relations(self):
- a, zero = self.a, Set()
- self.assertEqual(a ^ a, zero)
- self.assertEqual(a - a, zero)
- self.assertEqual(a | a, a)
- self.assertEqual(a & a, a)
- self.assertTrue(a <= a)
- self.assertTrue(a >= a)
- self.assertTrue(a == a)
-
- def test_summations(self):
- # check that sums of parts equal the whole
- a, b = self.a, self.b
- self.assertEqual((a-b)|(a&b)|(b-a), a|b)
- self.assertEqual((a&b)|(a^b), a|b)
- self.assertEqual(a|(b-a), a|b)
- self.assertEqual((a-b)|b, a|b)
- self.assertEqual((a-b)|(a&b), a)
- self.assertEqual((b-a)|(a&b), b)
- self.assertEqual((a-b)|(b-a), a^b)
-
- def test_exclusion(self):
- # check that inverse operations do not overlap
- a, b, zero = self.a, self.b, Set()
- self.assertEqual((a-b)&b, zero)
- self.assertEqual((b-a)&a, zero)
- self.assertEqual((a&b)&(a^b), zero)
-
- def test_cardinality_relations(self):
- a, b = self.a, self.b
- self.assertEqual(len(a), len(a-b) + len(a&b))
- self.assertEqual(len(b), len(b-a) + len(a&b))
- self.assertEqual(len(a^b), len(a-b) + len(b-a))
- self.assertEqual(len(a|b), len(a-b) + len(a&b) + len(b-a))
- self.assertEqual(len(a^b) + len(a&b), len(a|b))
-
-#==============================================================================
-
-libreftest = """
-Example from the Library Reference: Doc/lib/libsets.tex
-
->>> from sets import Set as Base # override _repr to get sorted output
->>> class Set(Base):
-... def _repr(self):
-... return Base._repr(self, sorted=True)
->>> engineers = Set(['John', 'Jane', 'Jack', 'Janice'])
->>> programmers = Set(['Jack', 'Sam', 'Susan', 'Janice'])
->>> managers = Set(['Jane', 'Jack', 'Susan', 'Zack'])
->>> employees = engineers | programmers | managers # union
->>> engineering_management = engineers & managers # intersection
->>> fulltime_management = managers - engineers - programmers # difference
->>> engineers.add('Marvin')
->>> print engineers
-Set(['Jack', 'Jane', 'Janice', 'John', 'Marvin'])
->>> employees.issuperset(engineers) # superset test
-False
->>> employees.union_update(engineers) # update from another set
->>> employees.issuperset(engineers)
-True
->>> for group in [engineers, programmers, managers, employees]:
-... group.discard('Susan') # unconditionally remove element
-... print group
-...
-Set(['Jack', 'Jane', 'Janice', 'John', 'Marvin'])
-Set(['Jack', 'Janice', 'Sam'])
-Set(['Jack', 'Jane', 'Zack'])
-Set(['Jack', 'Jane', 'Janice', 'John', 'Marvin', 'Sam', 'Zack'])
-"""
-
-#==============================================================================
-
-__test__ = {'libreftest' : libreftest}
-
-def test_main(verbose=None):
- import doctest
- from test import test_sets
- test_support.run_unittest(
- TestSetOfSets,
- TestExceptionPropagation,
- TestBasicOpsEmpty,
- TestBasicOpsSingleton,
- TestBasicOpsTuple,
- TestBasicOpsTriple,
- TestBinaryOps,
- TestUpdateOps,
- TestMutate,
- TestSubsetEqualEmpty,
- TestSubsetEqualNonEmpty,
- TestSubsetEmptyNonEmpty,
- TestSubsetPartial,
- TestSubsetNonOverlap,
- TestOnlySetsNumeric,
- TestOnlySetsDict,
- TestOnlySetsOperator,
- TestOnlySetsTuple,
- TestOnlySetsString,
- TestOnlySetsGenerator,
- TestOnlySetsofSets,
- TestCopyingEmpty,
- TestCopyingSingleton,
- TestCopyingTriple,
- TestCopyingTuple,
- TestCopyingNested,
- TestIdentities,
- doctest.DocTestSuite(test_sets),
- )
-
-if __name__ == "__main__":
- test_main(verbose=True)