public function test_that_prev_stores_bucket_instance()
{
$bucket = new TerminalBucket();
$prev = new TerminalBucket();
$bucket->setPrev($prev);
$this->assertSame($prev, $bucket->prev());
}
/**
* Handles deep cloning
*
* @return void
*/
public function __clone()
{
$items = [];
for ($this->rewind(); $this->valid(); $this->next()) {
$items[] = $this->current();
}
$this->head = new TerminalBucket();
$this->tail = new TerminalBucket();
$this->head->setNext($this->tail);
$this->tail->setPrev($this->head);
$this->current = $this->head;
$this->count = 0;
$this->offset = -1;
$prev = $this->head;
$next = $this->tail;
foreach ($items as $item) {
$this->insertBetween($item, $prev, $next);
$prev = $this->current;
}
}
/**
* Handles deep cloning
*
* @return void
*/
public function __clone()
{
$keys = [];
$values = [];
for ($this->rewind(); $this->valid(); $this->next()) {
$values[] = $this->current();
$keys[] = $this->key();
}
$this->head = new TerminalBucket();
$this->tail = new TerminalBucket();
$this->head->setNext($this->tail);
$this->tail->setPrev($this->head);
$this->current = $this->head;
$this->count = 0;
$this->offset = -1;
$prev = $this->head;
$next = $this->tail;
for ($i = 0; $i < count($keys); $i++) {
$this->insertBetween($keys[$i], $values[$i], $prev, $next);
$prev = $this->current;
}
}
