import { test, expect } from "bun:test";
import { add } from "./add";

test("HIDDEN: single negative throws with negative listed", () => {
  expect(() => add("1,-2")).toThrow(/negatives not allowed.*-2/);
});

test("HIDDEN: multiple negatives all listed", () => {
  expect(() => add("1,-2,-3")).toThrow(/negatives not allowed.*-2.*-3/);
});

test("HIDDEN: positives never throw", () => {
  expect(() => add("1,2,3")).not.toThrow();
});