import 'jest'
import { toEmpty, isEmpty, getEmpty, EMPTY } from '../src'

const getMocks = () => {
  var obj = {
    primitive: {
      string: String('eh'),
      number: Number(10),
      boolean: Boolean(true),
      nulls: null,
      voids: void 0,
    },
    builtin: {
      arguments: Arguments,
      AsyncFunction,
      GeneratorFunction,
      stringIterator: Object.create(StringIterator),
      mapIterator: Object.create(MapIterator),
      setIterator: Object.create(SetIterator),
      arrayIterator: Object.create(ArrayIterator),
      float: '0.42',
      nan: NaN,
      infinity: Infinity,
      promise: Promise.all('promised'),
      obj: {},
      array: [],
      regexp: new RegExp('.'),
      error: new Error('eh'),
      symbol: Symbol.for('@@empty'),
      set: new Set(),
      map: new Map(),
      // eslint-disable-next-line
      generator: function*() {},
      // eslint-disable-next-line
      async: async function() {},
      // eslint-disable-next-line
      func: function() {},
      // date: new Date(),
    },
  }
  return obj
}

describe('species', () => {
  it('empty primitives', () => {
    const obj = getMocks()
    const emptyPrimitives = Object.values(obj.primitive).map(x => getEmpty(x))
  })
  it.skip('empty builtin', () => {
    const obj = getMocks()
    const emptyBuiltIn = Object.values(obj.builtin).map(x => getEmpty(x))

    const {
      EMPTY_OBJ,
      EMPTY_ARRAY,
      EMPTY_STRING,
      EMPTY_REGEXP,
      EMPTY_ERROR,
      EMPTY_FUNCTION,
    } = EMPTY

    const emptyBuiltInValues = [
      EMPTY_OBJ,
      EMPTY_STRING,
      EMPTY_STRING,
      EMPTY_OBJ,
      EMPTY_OBJ,
      EMPTY_OBJ,
      EMPTY_OBJ,
      EMPTY_STRING,
      0,
      0,
      EMPTY_STRING,
      EMPTY_OBJ,
      EMPTY_ARRAY,
      EMPTY_REGEXP,
      EMPTY_ERROR,
      new Set(),
      new Map(),
      EMPTY_STRING,
      EMPTY_FUNCTION,
      EMPTY_FUNCTION,
    ]

    expect(emptyBuiltIn).toEqual(emptyBuiltInValues)
  })
})