// checks our test conditions
// @param - condition (function) test to run
// @param - ref (string) to display for result
assert = function (condition, ref){
 if(condition){
  console.log("+ Passed: " + ref);
 } else {
  console.log("- Failed: " + ref, 'warn');
 }
};

// tests that special characters \r, \n have been
// removed from a string
testsRemoveSpecialCharactersFromString = function (){
 var 	specialString = '\rI am \nreally\n\rspecial\r\n dont_you_think_so? maybe-not';

 assert(specialString.indexOf('_') > -1, '_ in string');
 assert(specialString.indexOf('?') > -1, '? in string');
 assert(specialString.indexOf('-') > -1, '- in string');
 assert(specialString.indexOf('\r') > -1, '\\r in string');
 assert(specialString.indexOf('\n') > -1, '\\n in string');

 assert(specialString.removeSpecialCharacters().indexOf('?') == -1, '\? removed from string');
 assert(specialString.removeSpecialCharacters().indexOf('-') == -1, '\- removed from string');
 assert(specialString.removeSpecialCharacters().indexOf('_') == -1, '\_ removed from string');
 assert(specialString.removeSpecialCharacters().indexOf('\r') == -1, '\\r removed from string');
 assert(specialString.removeSpecialCharacters().indexOf('\n') == -1, '\\n removed from string');
};