Improve test coverage.

heathhenley · heathhenley · commit ea899aaa85e5 · 2017-02-24T18:59:07.000-05:00
diff --git a/lib/matplotlib/tests/test_widgets.py b/lib/matplotlib/tests/test_widgets.py
@@ -302,3 +302,14 @@ def test_slider_slidermin_slidermax():
     slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
                             valinit=10.0, slidermax=slider_)
     assert slider.val == slider_.val
+
+
+def test_slider_valmin_valmax():
+    fig, ax = plt.subplots()
+    slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
+                            valinit=-10.0)
+    assert slider.val == slider.valmin
+
+    slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
+                            valinit=25.0)
+    assert slider.val == slider.valmax
