import { describe, expect, it } from 'vitest'
import { formatProfileDate, formatProfileNumber } from './profileFormatters'

describe('profile formatters', () => {
  it('uses a stable en-US number format independent of the browser locale', () => {
    expect(formatProfileNumber(9529106)).toBe('9,529,106')
  })

  it('uses UTC for stable calendar dates at timezone boundaries', () => {
    expect(formatProfileDate('2024-01-01T00:30:00.000Z', {
      month: 'long',
      day: 'numeric',
      year: 'numeric',
    })).toBe('January 1, 2024')
  })
})