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

tacaswell · tacaswell · commit 5892d62a5f74 · 2019-04-01T18:23:33.000-04:00
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -6346,3 +6346,9 @@ def test_datetime_masked():
     ax.plot(x, m)
     # these are the default viewlim
     assert ax.get_xlim() == (730120.0, 733773.0)
+
+
+def test_hist_auto_bins():
+    _, bins, _ = plt.hist([[1, 2, 3], [3, 4, 5, 6]], bins='auto')
+    assert bins[0] <= 1
+    assert bins[-1] >= 6
