primejs/test/index.js

A library for prime number miscellany

var should = require('chai').should(),
  math = require('mathjs'),
  Primes = require('../index');

describe('#Legendre', function() {
  it('prime count for 10^21', function() {
    var count = Primes.PrimeCounting.Legendre("1000000000000000000000");
    count = math.format(count, {notation: 'fixed', precision: 1});
    count.should.equal("21117412262909985552.3");
  });
});