public function testExtensionAttributes()
{
$extensionAttributes = $this->when->extensionAttributes;
$extensionAttributes['foo1'] = array('name' => 'foo1', 'value' => 'bar');
$extensionAttributes['foo2'] = array('name' => 'foo2', 'value' => 'rab');
$this->when->extensionAttributes = $extensionAttributes;
$this->assertEquals('bar', $this->when->extensionAttributes['foo1']['value']);
$this->assertEquals('rab', $this->when->extensionAttributes['foo2']['value']);
$whenXml = $this->when->saveXML();
$newWhen = new Extension\When();
$newWhen->transferFromXML($whenXml);
$this->assertEquals('bar', $newWhen->extensionAttributes['foo1']['value']);
$this->assertEquals('rab', $newWhen->extensionAttributes['foo2']['value']);
}
