new_contents: import controlboros
  import numpy as np
  
  
  def test_dynamics_single_input():
      """Test dynamics equation with single input."""
  
      a = np.array([[1.0, 2.0], [0.0, 1.0]])
      b = np.array([[1.0], [3.0]])
      c = np.zeros((1, 2))
  
      s = controlboros.StateSpace(a, b, c)
  
      assert np.all(s.dynamics([1.0, 1.0], [1.0]) == np.array([4.0, 4.0]))
  
  
  def test_dynamics_multiple_inputs():
      """Test dynamics equation with multiple inputs."""
  
      a = np.array([[1.0, 2.0], [0.0, 1.0]])
      b = np.array([[1.0, 2.0], [3.0, 2.0]])
      c = np.zeros((1, 2))
  
      s = controlboros.StateSpace(a, b, c)
  
      assert np.all(s.dynamics([1.0, 1.0], [1.0, 0.0]) == np.array([4.0, 4.0]))
  
  
  def test_output_siso():
      """Test output equation with single input, single output."""
  
      a = np.zeros((2, 2))
      b = np.zeros((2, 1))
      c = np.array([[1.0, 1.0]])
      d = np.array([[2.0]])
  
      s = controlboros.StateSpace(a, b, c, d)
  
      assert s.output([1.0, 1.0], [1.0]) == np.array([4.0])
  
  
  def test_output_simo():
      """Test output equation with single input, multiple outputs."""
  
      a = np.zeros((2, 2))
      b = np.zeros((2, 1))
      c = np.eye(2)
      d = np.array([[2.0], [3.0]])
  
      s = controlboros.StateSpace(a, b, c, d)
  
      assert np.all(s.output([1.0, 1.0], [1.0]) == np.array([3.0, 4.0]))
  
  
  def test_output_miso():
      """Test output equation with multiple inputs, single output."""
  
      a = np.zeros((2, 2))
      b = np.zeros((2, 2))
      c = np.array([[1.0, 1.0]])
      d = np.array([[2.0, 3.0]])
  
      s = controlboros.StateSpace(a, b, c, d)
  
      assert np.all(s.output([1.0, 1.0], [1.0, 1.0]) == np.array([7.0]))
  
  
  def test_output_mimo():
      """Test output equation with multiple inputs, multiple outputs."""
  
      a = np.zeros((2, 2))
      b = np.zeros((2, 2))
      c = np.eye(2)
      d = np.eye(2)
  
      s = controlboros.StateSpace(a, b, c, d)
  
      assert np.all(s.output([1.0, 1.0], [2.0, 3.0]) == np.array([3.0, 4.0]))
  
subject: Add first unit tests for the state-space class