public function testGivenNullGuid_allStatementsWithNoGuidAreRemoved()
{
$statement1 = new Statement($this->newSnak(24, 'foo'), null, null, 'foo');
$statement2 = new Statement($this->newSnak(32, 'bar'));
$statement3 = new Statement($this->newSnak(32, 'bar'));
$list = new StatementList(array($statement1, $statement2, $statement3));
$list->removeStatementsWithGuid(null);
$this->assertEquals(new StatementList($statement1), $list);
}
