/**
  * Method to test clearPrimaryKeys().
  *
  * @return void
  *
  * @covers Windwalker\Relation\Handler\AbstractRelationHandler::clearPrimaryKeys
  */
 public function testClearPrimaryKeys()
 {
     $table = new Table(static::TABLE_SAKURAS, array('id', 'state'));
     $table->id = 5;
     $table->state = 3;
     $this->instance->clearPrimaryKeys($table);
     $this->assertNull($table->id);
     $this->assertNull($table->state);
 }