public function testShowSelected()
 {
     $sitemap = new SitemapPage();
     $sitemap->write();
     $sitemap->PagesToDisplay = 'Selected';
     $sitemap->PagesToShow()->add($this->objFromFixture('SiteTree', 'about'));
     $sitemap->PagesToShow()->add($this->objFromFixture('SiteTree', 'contact'));
     $sitemap->write();
     $expected = array($this->objFromFixture('SiteTree', 'about')->Link(), $this->objFromFixture('SiteTree', 'staff')->Link(), $this->objFromFixture('SiteTree', 'history')->Link(), $this->objFromFixture('SiteTree', 'contact')->Link());
     $this->assertEquals($expected, HTTP::getLinksIn($sitemap->getSitemap()), 'Assert that showing selected pages & children works.');
 }