Add test for timedelta --> ordinalf conversion

dstansby · dstansby · commit 28086187a2d3 · 2017-06-08T10:45:07.000+01:00
diff --git a/lib/matplotlib/tests/test_dates.py b/lib/matplotlib/tests/test_dates.py
@@ -457,3 +457,10 @@ def test_DayLocator():
 def test_tz_utc():
     dt = datetime.datetime(1970, 1, 1, tzinfo=mdates.UTC)
     dt.tzname()
+
+
+def test_timedelta_ordinalf():
+    # Check that timedeltas can be converted to ordinalfs
+    dt = datetime.timedelta(seconds=60)
+    ordinalf = mdates._to_ordinalf(dt)
+    assert ordinalf == 1 / (24 * 60)
