def testAdjustPositiveHue(self): x_shape = [2, 2, 3] x_data = [0, 5, 13, 54, 135, 226, 37, 8, 234, 90, 255, 1] x_np = np.array(x_data, dtype=np.uint8).reshape(x_shape) delta = 0.25 y_data = [13, 0, 11, 226, 54, 221, 234, 8, 92, 1, 217, 255] y_np = np.array(y_data, dtype=np.uint8).reshape(x_shape) with self.test_session(): x = constant_op.constant(x_np, shape=x_shape) y = image_ops.adjust_hue(x, delta) y_tf = y.eval() self.assertAllEqual(y_tf, y_np)