TST: add test of correctly getting the limits for multi-histogram

tacaswell · tacaswell · commit ab5408930273 · 2019-02-24T15:53:09.000-05:00
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -6063,3 +6063,9 @@ def invert(x):
     fig.canvas.draw()
     fig.set_size_inches((7, 4))
     assert_allclose(ax.get_position().extents, [0.125, 0.1, 0.9, 0.9])
+
+
+def test_hist_auto_bins():
+    _, bins, _ = plt.hist([[1, 2, 3], [4, 5, 6]], bins='auto')
+    assert bins[0] <= 1
+    assert bins[-1] >= 6
