test_regression.py 文件源码

def test_object_array_self_copy(self):
        # An object array being copied into itself DECREF'ed before INCREF'ing
        # causing segmentation faults (gh-3787)
        a = np.array(object(), dtype=object)
        np.copyto(a, a)
        assert_equal(sys.getrefcount(a[()]), 2)
        a[()].__class__  # will segfault if object was deleted