public function testExtensionAttributes()
{
$extensionAttributes = $this->openSearchItemsPerPage->extensionAttributes;
$extensionAttributes['foo1'] = array('name' => 'foo1', 'value' => 'bar');
$extensionAttributes['foo2'] = array('name' => 'foo2', 'value' => 'rab');
$this->openSearchItemsPerPage->extensionAttributes = $extensionAttributes;
$this->assertEquals('bar', $this->openSearchItemsPerPage->extensionAttributes['foo1']['value']);
$this->assertEquals('rab', $this->openSearchItemsPerPage->extensionAttributes['foo2']['value']);
$openSearchItemsPerPageXml = $this->openSearchItemsPerPage->saveXML();
$newOpenSearchItemsPerPage = new Extension\OpenSearchItemsPerPage();
$newOpenSearchItemsPerPage->transferFromXML($openSearchItemsPerPageXml);
$this->assertEquals('bar', $newOpenSearchItemsPerPage->extensionAttributes['foo1']['value']);
$this->assertEquals('rab', $newOpenSearchItemsPerPage->extensionAttributes['foo2']['value']);
}
