def test_is_likely_virtual(self):
h = HeapCache()
h.new(box1)
assert h.is_unescaped(box1)
assert h.is_likely_virtual(box1)
h.reset(reset_virtuals=False)
assert not h.is_unescaped(box1)
assert h.is_likely_virtual(box1)
h._escape(box1)
assert not h.is_unescaped(box1)
assert not h.is_likely_virtual(box1)
