Test slider orientation

timhoffm · timhoffm · commit 3ae82d97ac5f · 2018-10-10T23:41:19.000+02:00
diff --git a/lib/matplotlib/tests/test_widgets.py b/lib/matplotlib/tests/test_widgets.py
@@ -321,16 +321,22 @@ def test_slider_valmin_valmax():
 
 def test_slider_horizontal_vertical():
     fig, ax = plt.subplots()
-    slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
-                            valinit=12.0, orientation='horizontal')
-    slider.set_val(10.0)
-    assert slider.val == 10.0
+    slider = widgets.Slider(ax=ax, label='', valmin=0, valmax=24,
+                            valinit=12, orientation='horizontal')
+    slider.set_val(10)
+    assert slider.val == 10
+    # check the dimension of the slider patch in axes units
+    box = slider.poly.get_extents().transformed(ax.transAxes.inverted())
+    assert_allclose(box.bounds, [0, 0, 10/24, 1])
 
     fig, ax = plt.subplots()
-    slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
-                            valinit=12.0, orientation='vertical')
-    slider.set_val(10.0)
-    assert slider.val == 10.0
+    slider = widgets.Slider(ax=ax, label='', valmin=0, valmax=24,
+                            valinit=12, orientation='vertical')
+    slider.set_val(10)
+    assert slider.val == 10
+    # check the dimension of the slider patch in axes units
+    box = slider.poly.get_extents().transformed(ax.transAxes.inverted())
+    assert_allclose(box.bounds, [0, 0, 1, 10/24])
 
 
 def check_polygon_selector(event_sequence, expected_result, selections_count):
