cbuffer/test/mutator/unshift-test.js

Circular Buffer JavaScript implementation

var vows = require('vows');
var assert = require('assert');
var suite = vows.describe('unshift');

require('../env');

suite.addBatch({
  'unshift' : {
    'topic' : function () {
      return CBuffer;
    },
    'unshift items' : function (CBuffer) {
      var tmp;

      tmp = CBuffer(3);
      tmp.unshift(1, 2, 3);
      assert.deepEqual(tmp.data, [3, 2, 1]);
      tmp.unshift(4);
      assert.deepEqual(tmp.data, [3, 2, 4]);
    },
    'unshift properties' : function (CBuffer) {
      var tmp;

      tmp = CBuffer(3);
      tmp.unshift(1, 2);
      assert.equal(tmp.length, 2);
      assert.equal(tmp.start, 1);
      assert.equal(tmp.end, 2);
    }
  }
});

suite.export(module);