benjivers/val Public Public: anyone can read this; the crew can change it.

import { expect, test } from "bun:test";

import { award, CREDIT_CAP, lossBonus, roundReward, spend, START_CREDITS } from "./economy.ts";

test("a round starts on 800 and nothing goes past 9000", () => {

  expect(START_CREDITS).toBe(800);

  expect(award(8900, 200)).toBe(CREDIT_CAP);

  expect(award(100, -500)).toBe(0);

});

test("the loss bonus rises 1900 / 2400 / 2900 and stops", () => {

  expect(lossBonus(1)).toBe(1900);

  expect(lossBonus(2)).toBe(2400);

  expect(lossBonus(3)).toBe(2900);

  expect(lossBonus(7)).toBe(2900);

});

test("a losing attack that planted keeps the plant bonus on top", () => {

  expect(roundReward(false, 1, false)).toBe(1900);

  expect(roundReward(false, 1, true)).toBe(1900 + 300);

  expect(roundReward(true, 3, false)).toBe(3000);

});

test("a buy you cannot afford is refused, never a debt", () => {

  expect(spend(800, 2900)).toEqual({ ok: false, credits: 800 });

  expect(spend(2900, 2900)).toEqual({ ok: true, credits: 0 });

  expect(spend(800, -100).ok).toBe(false);

  expect(spend(800, Number.NaN).ok).toBe(false);

});