def test_setter(self):
key1 = Key()
foo = WeakIdentityKeyDictionary()
foo[key1] = 4
self.assertEqual(len(foo), 1)
self.assertEqual(foo[key1], 4)
def test_circular_keys(self):
key1 = Key()
key2 = Key()
key1.a = key2
key2.a = key1
foo = WeakIdentityKeyDictionary()
foo[key1] = 5
foo[key2] = 8
self.assertEqual(foo[key1], 5)
self.assertEqual(foo[key2], 8)
key1 = None
self.assertEqual(len(foo), 2)
gc.collect()
self.assertEqual(len(foo), 2)
key2 = None
self.assertEqual(len(foo), 2)
gc.collect()
self.assertEqual(len(foo), 0)
def test_basic_gc(self):
key1 = Key()
foo = WeakIdentityKeyDictionary()
foo[key1] = 4
key1 = None
self.assertEqual(len(foo), 0)
def test_deleter(self):
key1 = Key()
foo = WeakIdentityKeyDictionary()
foo[key1] = 4
del foo[key1]
self.assertEqual(len(foo), 0)
with self.assertRaises(KeyError):
foo[key1]
def __init__(self, micro_op_types, name, delegate=None):
if not isinstance(micro_op_types, dict):
raise FatalError()
for tag in micro_op_types.keys():
if not isinstance(tag, tuple):
raise FatalError()
self._micro_op_types = micro_op_types
self.name = name
self._is_self_consistent = None
self.is_copyable_cache = WeakIdentityKeyDictionary()
self.delegate = delegate
def test_init_with_multi_data(self):
key1 = Key()
key2 = Key()
key3 = Key()
key4 = Key()
foo = WeakIdentityKeyDictionary({ key1: 10, key2: 4, key3: 123, key4: 31 })
self.assertEqual(len(foo), 4)
self.assertEqual(foo[key1], 10)
self.assertEqual(foo[key2], 4)
self.assertEqual(foo[key3], 123)
self.assertEqual(foo[key4], 31)
def test_gc_and_recreate(self):
foo = WeakIdentityKeyDictionary()
key = Key()
foo[key] = 4
key = None
key = Key()
foo[key] = 6
key = None
key = Key()
foo[key] = 8
key = None
key = Key()
foo[key] = 10
key = None
self.assertEqual(len(foo), 0)
def test_multi_basic_gc(self):
key1 = Key()
key2 = Key()
key3 = Key()
key4 = Key()
foo = WeakIdentityKeyDictionary()
foo[key1] = 4
foo[key2] = 8
foo[key3] = 12
foo[key4] = 16
key1 = None
self.assertEqual(len(foo), 3)
key2 = None
self.assertEqual(len(foo), 2)
key3 = None
self.assertEqual(len(foo), 1)
key4 = None
self.assertEqual(len(foo), 0)
def test_init_with_single_data(self):
key = Key()
foo = WeakIdentityKeyDictionary({ key: 10 })
self.assertEqual(len(foo), 1)
self.assertEqual(foo[key], 10)
def test_init_empty(self):
foo = WeakIdentityKeyDictionary()
self.assertEqual(len(foo), 0)