public function testNormalCategoryShouldHaveNoExtensionElements()
{
$this->category->scheme = 'http://schemas.google.com/g/2005#kind';
$this->assertEquals($this->category->scheme, 'http://schemas.google.com/g/2005#kind');
$this->assertEquals(count($this->category->extensionElements), 0);
$newCategory = new Zend_Gdata_App_Extension_Category();
$newCategory->transferFromXML($this->category->saveXML());
$this->assertEquals(0, count($newCategory->extensionElements));
$newCategory->extensionElements = array(new Zend_Gdata_App_Extension_Element('foo', 'atom', null, 'bar'));
$this->assertEquals(count($newCategory->extensionElements), 1);
$this->assertEquals($newCategory->scheme, 'http://schemas.google.com/g/2005#kind');
/* try constructing using magic factory */
$app = new Zend_Gdata_App();
$newCategory2 = $app->newCategory();
$newCategory2->transferFromXML($newCategory->saveXML());
$this->assertEquals(count($newCategory2->extensionElements), 1);
$this->assertEquals($newCategory2->scheme, 'http://schemas.google.com/g/2005#kind');
}