import { MemStorage } from './memstorage'

describe('memStorage', () => {
  it('should store data and read it again', () => {
    const db = new MemStorage()
    db.clear()
    expect(db.allKeys()).toEqual([])
    db.setItem('a', 1)
    db.setItem('b', { complex: [1, 2, '3'] })
    db.setItem('c', [0, 9, 8])
    db.setItem('c', 'Again!')
    expect(db.allKeys()).toEqual(['a', 'b', 'c'])
    expect(db.getItem('a')).toEqual(1)
    expect(db.getItem('b')).toEqual({ complex: [1, 2, '3'] })
    expect(db.getItem('c')).toEqual('Again!')
    expect(db.getItem('d')).toBe(undefined)
    expect(db.getItem('d')).toBe(undefined)
    db.removeItem('a')
    expect(db.getItem('a')).toBe(undefined)

    // {
    //   const db = new MemStorage()
    //   expect(db.allKeys()).toEqual(["a", "b", "c"])
    //   expect(db.getItem("a")).toEqual(1)
    //   expect(db.getItem("b")).toEqual({ complex: [1, 2, "3"] })
    //   expect(db.getItem("c")).toEqual("Again!")
    //   db.removeItem("b")
    //   expect(db.allKeys()).toEqual(["a", "c"])
    //   db.clear()
    //   expect(db.allKeys()).toEqual([])
    // }
  })
})