text: const assert = require('assert');
  const n2words = require('../index.js');
  
  const testCasesEnglish = [
    [0, 'zero'],
    [1, 'one'],
    [2, 'two'],
    [3, 'three'],
    // [5.5, ''],
    [11, 'eleven'],
    [12, 'twelve'],
    [16, 'sixteen'],
    // [17.42, ''],
    [19, 'nineteen'],
    [20, 'twenty'],
    [21, 'twenty-one'],
    [26, 'twenty-six'],
    // [27.312, ''],
    [28, 'twenty-eight'],
    [30, 'thirty'],
    [31, 'thirty-one'],
    [40, 'forty'],
    [44, 'forty-four'],
    [50, 'fifty'],
    // [53.486, ''],
    [55, 'fifty-five'],
    [60, 'sixty'],
    [67, 'sixty-seven'],
    [70, 'seventy'],
    [79, 'seventy-nine'],
    [89, 'eighty-nine'],
    [95, 'ninety-five'],
    [100, 'one hundred'],
    [101, 'one hundred and one'],
    [199, 'one hundred and ninety-nine'],
    [203, 'two hundred and three'],
    [287, 'two hundred and eighty-seven'],
    // [300.42, ''],
    [356, 'three hundred and fifty-six'],
    [400, 'four hundred'],
    [434, 'four hundred and thirty-four'],
    [578, 'five hundred and seventy-eight'],
    [689, 'six hundred and eighty-nine'],
    [729, 'seven hundred and twenty-nine'],
    [894, 'eight hundred and ninety-four'],
    [999, 'nine hundred and ninety-nine'],
    [1000, 'one thousand'],
    [1001, 'one thousand and one'],
    [1097, 'one thousand and ninety-seven'],
    [1104, 'one thousand one hundred and four'],
    [1243, 'one thousand two hundred and forty-three'],
    [2385, 'two thousand three hundred and eighty-five'],
    [3766, 'three thousand seven hundred and sixty-six'],
    [4196, 'four thousand one hundred and ninety-six'],
    // [4196.42, ''],
    [5846, 'five thousand eight hundred and forty-six'],
    [6459, 'six thousand four hundred and fifty-nine'],
    [7232, 'seven thousand two hundred and thirty-two'],
    [8569, 'eight thousand five hundred and sixty-nine'],
    [9539, 'nine thousand five hundred and thirty-nine'],
    [1000000, 'one million'],
    [1000001, 'one million and one'],
    [4000000, 'four million'],
    [10000000000000, 'ten trillion'],
    [100000000000000, 'one hundred trillion'],
    [1000000000000000000, 'one quintillion'],
    // [1000000000000000000000, 'one sextillion'],    //FIXME
    // [10000000000000000000000000, 'ten septillion'] //FIXME
  ]
  
  describe('English', function () {
    it('should convert numbers correctly (English)', function () {
      for (let i = 0; i < testCasesEnglish.length; i++) {
        assert.equal(n2words(testCasesEnglish[i][0], { lang: 'en' }), testCasesEnglish[i][1])
      }
    });
  });
  