TST: test that number of ticks adjust with aspect

tacaswell · tacaswell · commit f257244dbf70 · 2016-01-24T14:47:38.000-05:00
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -4276,6 +4276,19 @@ def _helper_y(ax):
     assert assert_array_equal(ax_lst[0][1].get_xlim(), orig_xlim)
 
 
+@cleanup
+def test_adjust_numtick_aspect():
+    fig, ax = plt.subplots()
+    ax.yaxis.get_major_locator().set_params(nbins='auto')
+    ax.set_xlim(0, 1000)
+    ax.set_aspect('equal')
+    fig.canvas.draw()
+    assert len(ax.yaxis.get_major_locator()()) == 2
+    ax.set_ylim(0, 1000)
+    fig.canvas.draw()
+    assert len(ax.yaxis.get_major_locator()()) > 2
+
+
 @image_comparison(baseline_images=["auto_numticks"], style='default',
                   extensions=['png'])
 def test_auto_numticks():
