diff --git a/lib/matplotlib/tests/test_table.py b/lib/matplotlib/tests/test_table.py
index 328fd020c1ee..ea31ac124e4a 100644
--- a/lib/matplotlib/tests/test_table.py
+++ b/lib/matplotlib/tests/test_table.py
@@ -1,3 +1,6 @@
+import datetime
+from unittest.mock import Mock
+
import numpy as np
import pytest
@@ -7,6 +10,7 @@
from matplotlib.table import CustomCell, Table
from matplotlib.testing.decorators import image_comparison, check_figures_equal
from matplotlib.transforms import Bbox
+import matplotlib.units as munits
def test_non_square():
@@ -229,3 +233,34 @@ def test_table_bbox(fig_test, fig_ref):
loc='center',
bbox=Bbox.from_extents(0.1, 0.2, 0.9, 0.8)
)
+
+
+@check_figures_equal(extensions=['png'])
+def test_table_unit(fig_test, fig_ref):
+ # test that table doesn't participate in unit machinery, instead uses repr/str
+
+ class FakeUnit:
+ def __init__(self, thing):
+ pass
+ def __repr__(self):
+ return "Hello"
+
+ fake_convertor = munits.ConversionInterface()
+ # v, u, a = value, unit, axis
+ fake_convertor.convert = Mock(side_effect=lambda v, u, a: 0)
+ # not used, here for completeness
+ fake_convertor.default_units = Mock(side_effect=lambda v, a: None)
+ fake_convertor.axisinfo = Mock(side_effect=lambda u, a: munits.AxisInfo())
+
+ munits.registry[FakeUnit] = fake_convertor
+
+ data = [[FakeUnit("yellow"), FakeUnit(42)],
+ [FakeUnit(datetime.datetime(1968, 8, 1)), FakeUnit(True)]]
+
+ fig_test.subplots().table(data)
+ fig_ref.subplots().table([["Hello", "Hello"], ["Hello", "Hello"]])
+ fig_test.canvas.draw()
+ fake_convertor.convert.assert_not_called()
+
+ munits.registry.pop(FakeUnit)
+ assert not munits.registry.get_converter(FakeUnit)
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