diff --git a/test/test_sensor_parameters.py b/test/test_sensor_parameters.py
index 86ded2e..056369a 100644
--- a/test/test_sensor_parameters.py
+++ b/test/test_sensor_parameters.py
@@ -24,6 +24,17 @@ def x_y_yaw(self):
         return np.array([[1.0], [1.0], [np.deg2rad(90)]])
 
 
+class MockCalibrator:
+    def __init__(self):
+        pass
+
+    def calibrate_extrinsic_params(self, sensor_odom_tf, vehicle_odom_tf):
+        pass
+
+    def draw_calib_result(self, axes, elems, state, true_lon, true_lat, true_yaw):
+        pass
+
+
 def test_initialize():
     param = SensorParameters()
 
@@ -37,12 +48,23 @@ def test_initialize():
     assert param.inst_pos_array != None
     assert param.global_x_m == None
     assert param.global_y_m == None
+    assert param.first_sensor_pos == True
+    assert param.first_vehicle_pos == True
+    assert param.prev_sensor_tf.shape[0] == 3
+    assert param.prev_sensor_tf.shape[1] == 3
+    assert param.curr_sensor_tf.shape[0] == 3
+    assert param.curr_sensor_tf.shape[1] == 3
+    assert param.prev_vehicle_tf.shape[0] == 3
+    assert param.prev_vehicle_tf.shape[1] == 3
+    assert param.curr_vehicle_tf.shape[0] == 3
+    assert param.curr_vehicle_tf.shape[1] == 3
     assert param.calibrator == None
 
 
 def test_set_arguments():
     param = SensorParameters(lon_m=1.0, lat_m=2.0, min_m=3.0, max_m=4.0,
-                             reso_deg=5.0, angle_std_scale=6.0, dist_std_rate=7.0)
+                             reso_deg=5.0, angle_std_scale=6.0, dist_std_rate=7.0,
+                             calibrator=MockCalibrator())
     
     assert param.INST_LON_M == 1.0
     assert param.INST_LAT_M == 2.0
@@ -51,6 +73,7 @@ def test_set_arguments():
     assert param.RESO_RAD == np.deg2rad(5.0)
     assert param.ANGLE_STD_SCALE == 6.0
     assert param.DIST_STD_RATE == 7.0
+    assert param.calibrator != None
 
 
 def test_global_pos():
@@ -63,6 +86,33 @@ def test_global_pos():
     assert round(param.get_global_y_m(), 1) == 2.0
 
 
+def test_sensor_odometry():
+    param = SensorParameters(lon_m=1.0, calibrator=MockCalibrator())
+    state = MockState()
+    param.calculate_global_pos(state)
+
+    param.calculate_sensor_odometry(state)
+    assert round(param.prev_sensor_tf[0, 2], 2) == 1.00
+    assert round(param.prev_sensor_tf[1, 2], 2) == 2.00
+    assert round(param.curr_sensor_tf[0, 2], 2) == 1.00
+    assert round(param.curr_sensor_tf[1, 2], 2) == 2.00
+    assert param.first_sensor_pos == False
+
+
+def test_calibrate_extrinsic_params():
+    param = SensorParameters(lon_m=1.0, calibrator=MockCalibrator())
+    state = MockState()
+    param.calculate_global_pos(state)
+    param.calculate_sensor_odometry(state)
+
+    param.calibrate_extrinsic_params(state)
+    assert round(param.prev_vehicle_tf[0, 2], 2) == 1.00
+    assert round(param.prev_vehicle_tf[1, 2], 2) == 1.00
+    assert round(param.curr_vehicle_tf[0, 2], 2) == 1.00
+    assert round(param.curr_vehicle_tf[1, 2], 2) == 1.00
+    assert param.first_vehicle_pos == False
+
+
 def test_draw_pos():
     plt.clf()
     plt.close()