// The Lucia project.
// Copyright 2026-2026 DSP, inc.  All rights reserved.
// Authors:
//   imacat.yang@dsp.im (imacat), 2026/03/05

import { describe, it, expect } from "vitest";
import numberLabel from "@/module/numberLabel.js";

describe("numberLabel", () => {
  it("formats small numbers without commas", () => {
    expect(numberLabel(1)).toBe("1");
    expect(numberLabel(999)).toBe("999");
  });

  it("formats thousands with commas", () => {
    expect(numberLabel(1000)).toBe("1,000");
    expect(numberLabel(12345)).toBe("12,345");
  });

  it("formats millions with commas", () => {
    expect(numberLabel(1234567)).toBe("1,234,567");
  });

  it("preserves decimal places", () => {
    expect(numberLabel(1234.56)).toBe("1,234.56");
  });

  it("handles zero", () => {
    expect(numberLabel(0)).toBe("0");
  });
});