public function testSetClaims()
{
$item = new Item();
$statement0 = new Statement(new PropertyNoValueSnak(42));
$statement0->setGuid('TEST$NVS42');
$statement1 = new Statement(new PropertySomeValueSnak(42));
$statement1->setGuid('TEST$SVS42');
$statements = array($statement0, $statement1);
$item->setClaims(new Claims($statements));
$this->assertEquals(count($statements), $item->getStatements()->count(), 'added some statements');
$item->setClaims(new Claims());
$this->assertTrue($item->getStatements()->isEmpty(), 'should be empty again');
}
