import test from "node:test";
import assert from "node:assert/strict";
import { effectiveThreshold } from "../src/token-accounting.ts";

test("absolute token threshold wins on large windows", () => {
  assert.equal(effectiveThreshold(200_000, 0.6, 1_000_000), 200_000);
});

test("window ratio caps the threshold on small windows", () => {
  assert.equal(effectiveThreshold(200_000, 0.6, 272_000), 163_200);
  assert.equal(effectiveThreshold(100_000, 0.35, 272_000), 95_200);
});

test("a missing context window falls back to the absolute threshold", () => {
  assert.equal(effectiveThreshold(200_000, 0.6, 0), 200_000);
  assert.equal(effectiveThreshold(200_000, 0.6, -1), 200_000);
});