public function testAddItemToTemplate()
 {
     $math = \Mdanter\Ecc\EccFactory::getAdapter();
     $item = new Uint64($math);
     $template = new Template();
     $this->assertEmpty($template->getItems());
     $this->assertEquals(0, $template->count());
     $template->addItem($item);
     $items = $template->getItems();
     $this->assertEquals(1, count($template));
     $this->assertEquals($item, $items[0]);
 }