require('should');
var PriorityQueue = require('../lib/index.js').PriorityQueue;

describe('PriorityQueue', function() {

  describe('insert', function() {
    it('should return correct result', function() {
      var p = new PriorityQueue();
      p.insert(1, 4);
      p.insert(2, 1);
      p.insert(3, 2);
      p.insert(4, 3);

      p.getElements().should.eql([1, 4, 3, 2]);
      p.getPriorities().should.eql([4, 3, 2, 1]);
    });
  });

  describe('init', function() {
    it('should initialize queue correctly', function() {
      var p = new PriorityQueue([1, 2, 3, 4], [4, 1, 2, 3]);

      p.getElements().should.eql([1, 4, 3, 2]);
      p.getPriorities().should.eql([4, 3, 2, 1]);
    });
  });
});