import { describe, expect, it } from "vite-plus/test"; import { normalizeVoiceInputDecibels } from "./voiceInputMetering"; describe("normalizeVoiceInputDecibels", () => {  it.each([undefined, Number.NaN, Number.POSITIVE_INFINITY, Number.NEGATIVE_INFINITY])(    "treats a missing or invalid reading %s as silence",    (decibels) => {      expect(normalizeVoiceInputDecibels(decibels)).toBe(0);    },  );   it.each([-160, -90, -60])("keeps a reading at or below the noise floor %s silent", (decibels) => {    expect(normalizeVoiceInputDecibels(decibels)).toBe(0);  });   it("keeps quiet background readings close to the baseline", () => {    const quiet = normalizeVoiceInputDecibels(-50);    expect(quiet).toBeGreaterThan(0);    expect(quiet).toBeLessThan(0.05);  });   it("keeps loud negative speech readings distinct below full height", () => {    const levels = [-20, -18, -12, -6, -3].map(normalizeVoiceInputDecibels);     for (const level of levels) {      expect(level).toBeGreaterThan(0);      expect(level).toBeLessThan(1);    }    expect(levels.every((level, index) => index === 0 || level > levels[index - 1]!)).toBe(true);  });   it("makes near-speech changes visible without an early ceiling", () => {    expect(normalizeVoiceInputDecibels(-6) - normalizeVoiceInputDecibels(-12)).toBeGreaterThan(      0.18,    );    expect(normalizeVoiceInputDecibels(-3) - normalizeVoiceInputDecibels(-12)).toBeGreaterThan(0.3);  });   it("increases throughout the usable microphone range", () => {    const levels = [-60, -55, -50, -40, -30, -20, -12, -6, -3, -0.001, 0].map(      normalizeVoiceInputDecibels,    );    expect(levels.every((level, index) => index === 0 || level > levels[index - 1]!)).toBe(true);  });   it("approaches the noise floor and full scale without a jump", () => {    expect(normalizeVoiceInputDecibels(-59.999)).toBeLessThan(0.001);    expect(normalizeVoiceInputDecibels(-0.001)).toBeGreaterThan(0.999);    expect(normalizeVoiceInputDecibels(-0.001)).toBeLessThan(1);  });   it.each([0, 6, 160])("caps only full-scale or higher readings %s at one", (decibels) => {    expect(normalizeVoiceInputDecibels(decibels)).toBe(1);  });});