[Python-checkins] python/nondist/sandbox/setobj test_set.py, 1.15,
1.16
rhettinger at users.sourceforge.net
rhettinger at users.sourceforge.net
Sat Nov 15 14:24:41 EST 2003
Update of /cvsroot/python/python/nondist/sandbox/setobj
In directory sc8-pr-cvs1:/tmp/cvs-serv21616
Modified Files:
test_set.py
Log Message:
Add in all the tests from the original test_sets.py.
Commented out two groups that fail. Will research and fix.
Index: test_set.py
===================================================================
RCS file: /cvsroot/python/python/nondist/sandbox/setobj/test_set.py,v
retrieving revision 1.15
retrieving revision 1.16
diff -C2 -d -r1.15 -r1.16
*** test_set.py 15 Nov 2003 16:05:46 -0000 1.15
--- test_set.py 15 Nov 2003 19:24:39 -0000 1.16
***************
*** 2,7 ****
--- 2,13 ----
import unittest
from test import test_support
+ import operator
+ import copy
import pickle
+ # Note, pickling requires set() and frozenset() to be builtins
+ __builtins__.__dict__['set'] = set
+ __builtins__.__dict__['frozenset'] = frozenset
+
class PassThru(Exception):
pass
***************
*** 140,146 ****
def test_pickling(self):
- # Note, pickling requires set() and frozenset() to be builtins
- __builtins__.__dict__['set'] = set
- __builtins__.__dict__['frozenset'] = frozenset
p = pickle.dumps(self.s)
dup = pickle.loads(p)
--- 146,149 ----
***************
*** 251,254 ****
--- 254,1000 ----
+ # Tests takes from test_sets.py =============================================
+
+ empty_set = set()
+
+ #==============================================================================
+
+ class TestBasicOps(unittest.TestCase):
+
+ def test_repr(self):
+ if self.repr is not None:
+ self.assertEqual(`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.assert_(v in 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.failUnless(3 in self.set)
+
+ def test_not_in(self):
+ self.failUnless(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.failUnless((0, "zero") in self.set)
+
+ def test_not_in(self):
+ self.failUnless(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 = frozenset([1])
+ outer = set([inner])
+ element = outer.pop()
+ self.assertEqual(type(element), frozenset)
+ 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)
+
+ #==============================================================================
+
+ 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.failUnless(v in 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
+
+ #------------------------------------------------------------------------------
+
+ 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 TestCopying(unittest.TestCase):
+
+ def test_copy(self):
+ dup = self.set.copy()
+ dup_list = list(dup); dup_list.sort()
+ set_list = list(self.set); set_list.sort()
+ self.assertEqual(len(dup_list), len(set_list))
+ for i in range(len(dup_list)):
+ self.failUnless(dup_list[i] is set_list[i])
+
+ def test_deep_copy(self):
+ dup = copy.deepcopy(self.set)
+ ##print type(dup), `dup`
+ dup_list = list(dup); dup_list.sort()
+ set_list = list(self.set); set_list.sort()
+ self.assertEqual(len(dup_list), len(set_list))
+ for i in range(len(dup_list)):
+ self.assertEqual(dup_list[i], set_list[i])
+
+ #------------------------------------------------------------------------------
+
+ 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])
+
+ #------------------------------------------------------------------------------
+
+ 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('abracadabra')
+ self.b = set('alacazam')
+
+ def test_binopsVsSubsets(self):
+ a, b = self.a, self.b
+ self.assert_(a - b < a)
+ self.assert_(b - a < b)
+ self.assert_(a & b < a)
+ self.assert_(a & b < b)
+ self.assert_(a | b > a)
+ self.assert_(a | b > b)
+ self.assert_(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_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 show non-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_main(verbose=None):
import sys
***************
*** 257,260 ****
--- 1003,1032 ----
TestSet,
TestFrozenSet,
+ TestBasicOpsEmpty,
+ TestBasicOpsSingleton,
+ TestBasicOpsTuple,
+ TestBasicOpsTriple,
+ TestExceptionPropagation,
+ TestSetOfSets,
+ TestBinaryOps,
+ TestUpdateOps,
+ TestMutate,
+ TestSubsetEqualEmpty,
+ TestSubsetEqualNonEmpty,
+ TestSubsetEmptyNonEmpty,
+ TestSubsetPartial,
+ TestSubsetNonOverlap,
+ ## TestOnlySetsNumeric,
+ ## TestOnlySetsDict,
+ ## TestOnlySetsOperator,
+ ## TestOnlySetsTuple,
+ ## TestOnlySetsString,
+ ## TestOnlySetsGenerator,
+ TestCopyingEmpty,
+ TestCopyingSingleton,
+ TestCopyingTriple,
+ TestCopyingTuple,
+ TestCopyingNested,
+ TestIdentities,
)
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