Sisotool test: must be shared

bnavigator · bnavigator · commit 6c90c206e4eb · 2022-12-31T21:26:35.000+01:00
diff --git a/control/tests/sisotool_test.py b/control/tests/sisotool_test.py
@@ -83,6 +83,12 @@ def test_sisotool(self, tsys):
             'margins': True
         }
 
+        # Check that the xaxes of the bode plot are shared before the rlocus click
+        assert ax_mag.get_xlim() == ax_phase.get_xlim()
+        ax_mag.set_xlim(2, 12)
+        assert ax_mag.get_xlim() == (2, 12)
+        assert ax_phase.get_xlim() == (2, 12)
+
         # Move the rootlocus to another point
         event = type('test', (object,), {'xdata': 2.31206868287,
                                          'ydata': 15.5983051046,
@@ -116,6 +122,12 @@ def test_sisotool(self, tsys):
         assert_array_almost_equal(
             ax_step.lines[0].get_data()[1][:10], step_response_moved, 4)
 
+        # Check that the xaxes of the bode plot are still shared after the rlocus click
+        assert ax_mag.get_xlim() == ax_phase.get_xlim()
+        ax_mag.set_xlim(3, 13)
+        assert ax_mag.get_xlim() == (3, 13)
+        assert ax_phase.get_xlim() == (3, 13)
+
     @pytest.mark.skipif(plt.get_current_fig_manager().toolbar is None,
                         reason="Requires the zoom toolbar")
     @pytest.mark.parametrize('tsys', [0, True],
