Add datetime64 check

alexrudy · alexrudy · commit ca52114df720 · 2019-09-29T12:10:37.000-07:00
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -1753,8 +1753,10 @@ def test_hist_datetime_datasets():
     ax.hist(data, stacked=True)
     ax.hist(data, stacked=False)
 
-@pytest.mark.parametrize("bins_preprocess", [lambda bins: None, mpl.dates.date2num, lambda bins: bins], 
-                         ids=['None', 'date2num', 'datetime.datetime'])
+@pytest.mark.parametrize("bins_preprocess", 
+                         [lambda bins: None, mpl.dates.date2num, lambda bins: bins,
+                          lambda bins: np.asarray(bins).astype('datetime64')], 
+                         ids=['None', 'date2num', 'datetime.datetime', 'np.datetime64'])
 def test_hist_datetime_datasets_bins(bins_preprocess):
     data = [[datetime.datetime(2019, 1, 5), datetime.datetime(2019, 1, 11), 
              datetime.datetime(2019, 2, 1), datetime.datetime(2019, 3, 1)],
