/**
* Tests the isEmpty() method does not consume data
* from buffered iterators.
*
* @return void
*/
public function testIsEmptyDoesNotConsume()
{
$array = new \ArrayIterator([1, 2, 3]);
$inner = new \Cake\Collection\Iterator\BufferedIterator($array);
$collection = new Collection($inner);
$this->assertFalse($collection->isEmpty());
$this->assertCount(3, $collection->toArray());
}
/**
* Tests the isEmpty() method
*
* @return void
*/
public function testIsEmpty()
{
$collection = new Collection([1, 2, 3]);
$this->assertFalse($collection->isEmpty());
$collection = $collection->map(function () {
return null;
});
$this->assertFalse($collection->isEmpty());
$collection = $collection->filter();
$this->assertTrue($collection->isEmpty());
}
