diff --git a/lib/matplotlib/tests/test_datetime.py b/lib/matplotlib/tests/test_datetime.py
index 30d11c4f7122..6aca1bc6eb4c 100644
--- a/lib/matplotlib/tests/test_datetime.py
+++ b/lib/matplotlib/tests/test_datetime.py
@@ -87,11 +87,26 @@ def test_axvspan(self):
fig, ax = plt.subplots()
ax.axvspan(...)
- @pytest.mark.xfail(reason="Test for bar not written yet")
@mpl.style.context("default")
def test_bar(self):
- fig, ax = plt.subplots()
- ax.bar(...)
+ mpl.rcParams["date.converter"] = "concise"
+
+ fig, (ax1, ax2) = plt.subplots(2, 1, layout="constrained")
+
+ x_dates = np.array(
+ [
+ datetime.datetime(2020, 6, 30),
+ datetime.datetime(2020, 7, 22),
+ datetime.datetime(2020, 8, 3),
+ datetime.datetime(2020, 9, 14),
+ ],
+ dtype=np.datetime64,
+ )
+ x_ranges = [8800, 2600, 8500, 7400]
+
+ x = np.datetime64(datetime.datetime(2020, 6, 1))
+ ax1.bar(x_dates, x_ranges, width=np.timedelta64(4, "D"))
+ ax2.bar(np.arange(4), x_dates - x, bottom=x)
@pytest.mark.xfail(reason="Test for bar_label not written yet")
@mpl.style.context("default")
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