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/* global expect, describe, it */
describe('Object.setPrototypeOf(o, p)', function () {
'use strict';
it('changes prototype to regular objects', function () {
var obj = { a: 123 };
expect(obj).to.be.an.instanceOf(Object);
// sham requires assignment to work cross browser
obj = Object.setPrototypeOf(obj, null);
expect(obj).not.to.be.an.instanceOf(Object);
expect(obj.a).to.equal(123);
});
it('changes prototype to null objects', function () {
var obj = Object.create(null);
obj.a = 456;
expect(obj).not.to.be.an.instanceOf(Object);
expect(obj.a).to.equal(456);
// sham requires assignment to work cross browser
obj = Object.setPrototypeOf(obj, {});
expect(obj).to.be.an.instanceOf(Object);
expect(obj.a).to.equal(456);
});
});
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