Aggregate Function Write Test

1import { describe, expect, it } from "vitest";
2import { encode } from "./encode.js";
3import { writeAggregateFunction } from "../src/writers/aggregateFunction.js";
4
5describe("writeAggregateFunction", () => {
6  it("throws — opaque, unframed state is not generically encodable", () =>
7    expect(() => encode(writeAggregateFunction, undefined as never)).toThrow(
8      /AggregateFunction is opaque/,
9    ));
10});