Function check

xarray/tests/test_computation.py:1245–1249

(x, y)

        )

    def check(x, y):
        actual = parallel_add(x, y)
        assert isinstance(actual.data, da.Array)
        assert actual.data.chunks == array.chunks
        assert_identical(data_array, actual)

    check(data_array, 0)
    check(0, data_array)