import { getQuickJS } from "quickjs-emscripten";
import { expect, test, vi } from "vitest";

import { call } from "../vmutil";

import marshalCustom, { defaultCustom } from "./custom";

test("symbol", async () => {
  const ctx = (await getQuickJS()).newContext();
  const pre = vi.fn();
  const sym = Symbol("foobar");

  const marshal = (t: unknown) => marshalCustom(ctx, t, pre, defaultCustom);

  expect(marshal({})).toBe(undefined);
  expect(pre).toBeCalledTimes(0);

  const handle = marshal(sym);
  if (!handle) throw new Error("handle is undefined");
  expect(ctx.typeof(handle)).toBe("symbol");
  expect(ctx.getString(ctx.getProp(handle, "description"))).toBe("foobar");
  expect(pre).toReturnTimes(1);
  expect(pre.mock.calls[0][0]).toBe(sym);
  expect(pre.mock.calls[0][1] === handle).toBe(true);

  handle.dispose();
  ctx.dispose();
});

test("date", async () => {
  const ctx = (await getQuickJS()).newContext();
  const pre = vi.fn();
  const date = new Date(2022, 7, 26);

  const marshal = (t: unknown) => marshalCustom(ctx, t, pre, defaultCustom);

  expect(marshal({})).toBe(undefined);
  expect(pre).toBeCalledTimes(0);

  const handle = marshal(date);
  if (!handle) throw new Error("handle is undefined");
  expect(ctx.dump(call(ctx, "d => d instanceof Date", undefined, handle))).toBe(true);
  expect(ctx.dump(call(ctx, "d => d.getTime()", undefined, handle))).toBe(date.getTime());
  expect(pre).toReturnTimes(1);
  expect(pre.mock.calls[0][0]).toBe(date);
  expect(pre.mock.calls[0][1] === handle).toBe(true);

  handle.dispose();
  ctx.dispose();
});