import { describe, it, expect } from 'vitest'
import { cn } from './utils'

describe('cn utility', () => {
  it('should merge class names', () => {
    expect(cn('foo', 'bar')).toBe('foo bar')
  })

  it('should handle conditional classes', () => {
    expect(cn('foo', false && 'bar', 'baz')).toBe('foo baz')
  })

  it('should merge Tailwind classes correctly', () => {
    expect(cn('p-4 p-2')).toBe('p-2')
  })

  it('should handle empty inputs', () => {
    expect(cn()).toBe('')
    expect(cn('')).toBe('')
  })
})

