import { expect, test } from "vitest";
import { box } from "./box.ts";
import MapArray from "./MapArray.ts";

test("MapArray", () => {
	const mapArray = new MapArray([
		["a", box(1)],
		["b", box(2)],
		["c", box(3)],
	]);
	mapArray.set("foo", box(42));
	mapArray.set("bar", box(0));
	mapArray.delete("bar");

	expect(mapArray.get("foo")!.value).toBe(42);
	expect(mapArray.get("bar")).toBe(undefined);
	expect(mapArray.map.size).toBe(mapArray.array.length);
	expect(
		mapArray.entries().reduce(
			(a, c) => {
				a[1].value = a[1].value + c[1].value;
				return a;
			},
			["_", box(0)],
		)[1].value,
	).toBe(48);
});