esfuzz/lib/random.js

JS fuzzer for generative testing of parsers that implement the SpiderMonkey Reflect.parse API

// Generated by CoffeeScript 2.0.0-beta7
void function () {
  var randomElement, randomInt, randomLineTerminator;
  exports.randomBool = function () {
    return Math.random() < .5;
  };
  exports.randomInt = randomInt = function (max) {
    return Math.floor(Math.random() * (max + 1));
  };
  exports.randomElement = randomElement = function (list) {
    return list[randomInt(list.length - 1)];
  };
  exports.randomWhitespace = function () {
    return randomElement([
      '\t',
      '\x0B',
      '\f',
      '\ufeff',
      ' ',
      '\xa0',
      '\u180e',
      '\u2000',
      '\u2001',
      '\u2002',
      '\u2003',
      '\u2004',
      '\u2005',
      '\u2006',
      '\u2007',
      '\u2008',
      '\u2009',
      '\u200a',
      '\u202f',
      '\u205f',
      '\u3000'
    ]);
  };
  randomLineTerminator = function () {
    return randomElement([
      '\n',
      '\r',
      '\u2028',
      '\u2029'
    ]);
  };
}.call(this);