asarray test

Author: TomAugspurger

pandas/tests/frame/test_dtypes.py

@@ -839,6 +839,13 @@ def test_constructor_list_str_na(self, string_dtype):
     def test_is_homogeneous(self, data, expected):
         assert data._is_homogeneous is expected
 
+    def test_asarray_homogenous(self):
+        df = pd.DataFrame({"A": pd.Categorical([1, 2]),
+                           "B": pd.Categorical([1, 2])})
+        result = np.asarray(df)
+        expected = np.array([[1, 1], [2, 2,]])
+        tm.assert_numpy_array_equal(result, expected)
+
 
 class TestDataFrameDatetimeWithTZ(TestData):