/**
* @covers Wa72\HtmlPageDom\HtmlPageCrawler::wrap
*/
public function testWrap()
{
$c = new HtmlPageCrawler('<div id="content"><h1>Title</h1></div>');
$c->filter('h1')->wrap('<div class="innercontent">');
$this->assertEquals('<div id="content"><div class="innercontent"><h1>Title</h1></div></div>', $c->saveHTML());
$c = new HtmlPageCrawler('<div id="content"><h1>Title</h1></div>');
$c->filter('h1')->wrap('<div class="ic">asdf<div class="a1"><div class="a2"></div></div></div></div>');
$this->assertEquals('<div id="content"><div class="ic">asdf<div class="a1"><div class="a2"><h1>Title</h1></div></div></div></div>', $c->saveHTML());
$c = new HtmlPageCrawler('<div id="content"><h1>Title</h1></div>');
$c->filter('h1')->wrap('<div class="ic">asdf</div><div>jkl</div>');
// wrap has more than 1 root element
$this->assertEquals('<div id="content"><div class="ic">asdf<h1>Title</h1></div></div>', $c->saveHTML());
// only first element is used
// Test for wrapping multiple nodes
$c = new HtmlPageCrawler('<div id="content"><p>p1</p><p>p2</p></div>');
$c->filter('p')->wrap('<div class="p"></div>');
$this->assertEquals('<div id="content"><div class="p"><p>p1</p></div><div class="p"><p>p2</p></div></div>', $c->saveHTML());
$c = new HtmlPageCrawler('plain text node');
$c->wrap('<div class="ic"></div>');
$this->assertEquals('<div class="ic">plain text node</div>', $c->parents()->eq(0)->saveHTML());
$c = HtmlPageCrawler::create('<div>');
$m = HtmlPageCrawler::create('message 1')->appendTo($c);
$m->wrap('<p>');
$m = HtmlPageCrawler::create('message 2')->appendTo($c);
$m->wrap('<p>');
$this->assertEquals('<div><p>message 1</p><p>message 2</p></div>', $c->saveHTML());
}