/**
* Test applying a callback to each element of the collection
*
* @reutrn void
*/
public function testEach()
{
$success = $this->collection->each(function ($value, $key) {
$this->assertTrue($this->collection->keyExists($key));
$this->assertEquals($value, $this->collection->get($key));
$this->collection->set($key, $value * 2);
});
$this->assertTrue($success);
$this->assertAttributeEquals([2, 4, 6], 'elements', $this->collection);
}
