Issue 3161: Missing import and test.
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index 4f823e3..99eb8cf 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -294,6 +294,21 @@
self.failUnless(isinstance(sample(), Set))
self.failUnless(issubclass(sample, Set))
+ def test_hash_Set(self):
+ class OneTwoThreeSet(Set):
+ def __init__(self):
+ self.contents = [1, 2, 3]
+ def __contains__(self, x):
+ return x in self.contents
+ def __len__(self):
+ return len(self.contents)
+ def __iter__(self):
+ return iter(self.contents)
+ def __hash__(self):
+ return self._hash()
+ a, b = OneTwoThreeSet(), OneTwoThreeSet()
+ self.failUnless(hash(a) == hash(b))
+
def test_MutableSet(self):
self.failUnless(isinstance(set(), MutableSet))
self.failUnless(issubclass(set, MutableSet))