Add tests for dates.DayLocator

LindyBalboa · LindyBalboa · commit a2a8dc24860a · 2016-08-22T12:00:17.000+02:00
diff --git a/lib/matplotlib/tests/test_dates.py b/lib/matplotlib/tests/test_dates.py
@@ -442,7 +442,6 @@ def tz_convert(dt_list, tzinfo):
 
     _test_date2num_dst(date_range, tz_convert)
 
-
 def test_date2num_dst_pandas():
     # Test for github issue #3896, but in date2num around DST transitions
     # with a timezone-aware pandas date_range object.
@@ -456,6 +455,13 @@ def tz_convert(*args):
 
     _test_date2num_dst(pd.date_range, tz_convert)
 
+def test_DayLocator():
+   assert_raises(ValueError, mdates.DayLocator, interval=-1)
+   assert_raises(ValueError, mdates.DayLocator, interval=-1.5)
+   assert_raises(ValueError, mdates.DayLocator, interval=0)
+   assert_raises(ValueError, mdates.DayLocator, interval=1.3)
+   mdates.DayLocator(interval=1.0)
+
 
 if __name__ == '__main__':
     import nose
