Add datetime arguments for xmin and xmax

Author: CozyFrog

lib/matplotlib/tests/test_datetime.py

@@ -228,17 +228,27 @@ def test_hlines(self):
                     '2023-07-28',
                     '2023-12-24']
         dates = [datetime.datetime(2023, m*2, 10) for m in range(1, 6)]
+        date_start = [datetime.datetime(2023, 6, d) for d in range(5, 30, 5)]
+        date_end = [datetime.datetime(2023, 7, d) for d in range(5, 30, 5)]
         npDates = [np.datetime64(s) for s in dateStrs]
         axs[0, 0].hlines(y=dates,
                          xmin=[0.1, 0.2, 0.3, 0.4, 0.5],
                          xmax=[0.5, 0.6, 0.7, 0.8, 0.9])
-        axs[0, 1].hlines(y=dates, xmin=0.2, xmax=0.8)
-        axs[0, 2].hlines(dates, xmin=0, xmax=1)
+        axs[0, 1].hlines(dates,
+                         xmin=datetime.datetime(2020, 5, 10),
+                         xmax=datetime.datetime(2020, 5, 31))
+        axs[0, 2].hlines(dates,
+                         xmin=date_start,
+                         xmax=date_end)
         axs[1, 0].hlines(y=npDates,
                          xmin=[0.5, 0.6, 0.7, 0.8, 0.9],
                          xmax=[0.1, 0.2, 0.3, 0.4, 0.5])
-        axs[1, 1].hlines(y=npDates, xmin=0.45, xmax=0.65)
-        axs[1, 2].hlines(npDates, xmin=0, xmax=1)
+        axs[1, 2].hlines(y=npDates,
+                         xmin=date_start,
+                         xmax=date_end)
+        axs[1, 1].hlines(npDates,
+                         xmin=datetime.datetime(2020, 5, 10),
+                         xmax=datetime.datetime(2020, 5, 31))
 
     @pytest.mark.xfail(reason="Test for imshow not written yet")
     @mpl.style.context("default")