fable/val Public Public: anyone can read this; nobody can change it.

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

import { beepInterval, beepPitch, makeBeeper } from "../static/beep.js";

test("the spike beeps faster as the fuse burns down", () => {

  expect(beepInterval(45)).toBeGreaterThan(beepInterval(20));

  expect(beepInterval(20)).toBeGreaterThan(beepInterval(5));

  expect(beepInterval(1)).toBeGreaterThanOrEqual(0.12);

  expect(beepInterval(45)).toBeLessThanOrEqual(1);

});

test("a spent fuse does not beep at all", () => {

  expect(beepInterval(0)).toBe(0);

});

test("and it rises in pitch on the way", () => {

  expect(beepPitch(2)).toBeGreaterThan(beepPitch(40));

});

test("nothing is played before the browser has had a gesture", () => {

  const beeper = makeBeeper();

  // No AudioContext in this runtime: update must be a no-op, not a throw.

  expect(() => beeper.update(true, 30, 1)).not.toThrow();

  expect(() => beeper.wake()).not.toThrow();

});