def _testEmptyTensor(self, fn):
    c = np.random.randint(0, 3, 0).astype(np.bool).reshape(1, 3, 0)
    x = np.random.rand(1, 3, 0) * 100
    y = np.random.rand(1, 3, 0) * 100
    z_expected = np.zeros((1, 3, 0), dtype=np.float32)