Merge pull request #14677 from anntzer/set_ticks-inverted

tacaswell · web-flow · commit 21a55d37b396 · 2019-07-02T22:10:07.000-04:00
FIX: Don't misclip axis when calling set_ticks on inverted axes.
diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
@@ -1906,7 +1906,7 @@ def setter(self, vmin, vmax, ignore=False):
                 setter(self, min(vmin, vmax, oldmin), max(vmin, vmax, oldmax),
                        ignore=True)
             else:
-                setter(self, max(vmin, vmax, oldmax), min(vmin, vmax, oldmin),
+                setter(self, max(vmin, vmax, oldmin), min(vmin, vmax, oldmax),
                        ignore=True)
         self.stale = True
 
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -6432,3 +6432,10 @@ def test_bar_errbar_zorder():
             assert capline.zorder > bar.zorder
         for barlinecol in barlinecols:
             assert barlinecol.zorder > bar.zorder
+
+
+def test_set_ticks_inverted():
+    fig, ax = plt.subplots()
+    ax.invert_xaxis()
+    ax.set_xticks([.3, .7])
+    assert ax.get_xlim() == (1, 0)
