pjax/tests/lib/util/extend.js

var tape = require("tape")

var extend = require("../../../lib/util/extend")

tape("test extend method", function(t) {
  var obj = {one: 1, two: 2}

  var extended = extend({}, obj, {two: "two", three: 3})
  t.notEqual(obj, extended, "extended object isn't the original object")
  t.notSame(obj, extended, "extended object doesn't have the same values as original object")
  t.notSame(obj.two, extended.two, "extended object value overwrites value from original object")

  extended = extend(null)
  t.equals(extended, null, "passing null returns null")

  t.end()
})