public function testBatchInsertException()
{
$this->setExpectedExceptionRegExp('MongoDuplicateKeyException', '/E11000 duplicate key error .* mongo-php-adapter.test.*_id_/');
$id = new \MongoId();
$documents = [['_id' => $id, 'foo' => 'bar'], ['_id' => $id, 'foo' => 'bleh']];
$this->getCollection()->batchInsert($documents);
}