acerix / cnum

import Symbolizer from './Symbolizer'

test('New Symbolizer is the expected type', () => {

  const a = new Symbolizer()

  expect(typeof a).toBe('object')

  expect(a.constructor.name).toBe('Symbolizer')

})

test('Default symbolizer generates "αβγδεζηθικλμνξοπρςστυφχψω"', () => {

  const a = new Symbolizer()

  const g = a.generator()

  const x = 'αβγδεζηθικλμνξοπρςστυφχψω'

  let s = ''

  for (let i=0; i<x.length; i++) {

    s += g.next().value

  }

  expect(s).toBe(x)

})

test('Custom symbolizer generates as specified, followed by default symbols', () => {

  const a = new Symbolizer('xyzw')

  const g = a.generator()

  const x = 'xyzwαβγδ'

  let s = ''

  for (let i=0; i<x.length; i++) {

    s += g.next().value

  }

  expect(s).toBe(x)

})