old_contents: 'use strict';
  
  var stats = require('../../lib/stats');
  var grammar = require('../../lib/grammar');
  //var _ = require('underscore');
  //var compiler = require('../../lib/compiler');
  //var tree = require('../../lib/tree');
  
  var SAMPLE_COUNT = 1000;
  
  var codes = stats.sampleUnique(grammar.sampleCode, SAMPLE_COUNT);
  //var terms = _.map(codes, compiler.load);
  //var lines = _.map(codes, compiler.loadLine);
  //var nodes = _.map(terms, tree.load);
  
  module.exports = {
      codes: codes,
  //    terms: terms,
  //    lines: lines,
  //    nodes: nodes,
  };
  
new_contents: 'use strict';
  
  var stats = require('../../lib/stats');
  var grammar = require('../../lib/grammar');
  var _ = require('underscore');
  var compiler = require('../../lib/compiler');
  var tree = require('../../lib/tree');
  
  var SAMPLE_COUNT = 1000;
  
  var codes = stats.sampleUnique(grammar.sampleCode, SAMPLE_COUNT);
  var terms = _.map(codes, compiler.load);
  //var lines = _.map(codes, compiler.loadLine);
  var nodes = _.map(terms, tree.load);
  
  module.exports = {
      codes: codes,
      terms: terms,
      //lines: lines,
      nodes: nodes,
  };
  
subject: Add terms and nodes test datasets