datetime as bins

yangyangdotcom · yangyangdotcom · commit a8ba1e985d1f · 2023-10-09T19:46:00.000-05:00
diff --git a/lib/matplotlib/tests/test_datetime.py b/lib/matplotlib/tests/test_datetime.py
@@ -173,7 +173,6 @@ def test_hexbin(self):
     @mpl.style.context("default")
     def test_hist(self):
         mpl.rcParams["date.converter"] = 'concise'
-        fig, (ax1, ax2, ax3) = plt.subplots(3, 1, constrained_layout=True)
 
         start_date = datetime.datetime(2023, 10, 1)
         time_delta = datetime.timedelta(days=1)
@@ -182,6 +181,9 @@ def test_hist(self):
         values2 = np.random.randint(1, 10, 30)
         values3 = np.random.randint(1, 10, 30)
 
+        bin_edges = [start_date + i * time_delta for i in range(31)]
+
+        fig, (ax1, ax2, ax3) = plt.subplots(3, 1, constrained_layout=True)
         ax1.hist(
             [start_date + i * time_delta for i in range(30)],
             bins=10,
@@ -198,6 +200,24 @@ def test_hist(self):
             weights=values3
         )
 
+        fig, (ax4, ax5, ax6) = plt.subplots(3, 1, constrained_layout=True)
+        ax4.hist(
+            [start_date + i * time_delta for i in range(30)],
+            bins=bin_edges,
+            weights=values1
+        )
+        ax5.hist(
+            [start_date + i * time_delta for i in range(30)],
+            bins=bin_edges,
+            weights=values2
+        )
+        ax6.hist(
+            [start_date + i * time_delta for i in range(30)],
+            bins=bin_edges,
+            edgecolor='black',
+            weights=values3
+        )
+
     @pytest.mark.xfail(reason="Test for hist2d not written yet")
     @mpl.style.context("default")
     def test_hist2d(self):
