TST: Test change axis in boxplot pandas-dev#2980 (pandas-dev#45899)

Author: NumberPiOso

pandas/tests/plotting/test_boxplot_method.py

@@ -29,6 +29,27 @@
 
 @td.skip_if_no_mpl
 class TestDataFramePlots(TestPlotBase):
+    def test_stacked_boxplot_set_axis(self):
+        # GH2980
+        import matplotlib.pyplot as plt
+
+        n = 80
+        df = DataFrame(
+            {
+                "Clinical": np.random.choice([0, 1, 2, 3], n),
+                "Confirmed": np.random.choice([0, 1, 2, 3], n),
+                "Discarded": np.random.choice([0, 1, 2, 3], n),
+            },
+            index=np.arange(0, n),
+        )
+        ax = df.plot(kind="bar", stacked=True)
+        assert [int(x.get_text()) for x in ax.get_xticklabels()] == df.index.to_list()
+        ax.set_xticks(np.arange(0, 80, 10))
+        plt.draw()  # Update changes
+        assert [int(x.get_text()) for x in ax.get_xticklabels()] == list(
+            np.arange(0, 80, 10)
+        )
+
     def test_boxplot_legacy1(self):
         df = DataFrame(
             np.random.randn(6, 4),