function (expected, actual) {
   var argNames = [];
   var expectedNames = [];
   for (var i = 0; i < actual.length; i++) {
      argNames.push(getNameForValue(actual[i]));
   };
   for (var i = 0; i < expected.length; i++) {
      expectedNames.push(getNameForType(expected[i]));
   };
   return 'Expected arguments to be (' + expectedNames.join(', ') + ') but received (' +
         argNames.join(', ') + ') instead.';
}
function (expected, actual) {
   var argNames = [];
   var expectedNames = [];
   for (var i = 0; i < actual.length; i++) {
      argNames.push(getNameForValue(actual[i]));
   };
   for (var i = 0; i < expected.length; i++) {
      expectedNames.push(getNameForType(expected[i]));
   };
   return 'Expected arguments to be (' + expectedNames.join(', ') + ') but received (' +
         argNames.join(', ') + ') instead.';
}
function ( expected , actual ) { var argNames = [ ] ; var expectedNames = [ ] ; for ( var i = 0 ; i < actual . length ; i ++ ) { argNames . push ( getNameForValue ( actual [ i ] ) ) ; } ; for ( var i = 0 ; i < expected . length ; i ++ ) { expectedNames . push ( getNameForType ( expected [ i ] ) ) ; } ; return 'Expected arguments to be (' + expectedNames . join ( ', ' ) + ') but received (' + argNames . join ( ', ' ) + ') instead.' ; }
Returns a string of expected arguments vs actual.
@param {Array} expected
@param {Array} actual
@returns {string}
@private
Returns a string of expected arguments vs actual .