public function test_iterator()
{
$cache = new LRUCache(10);
$cache->put(1, 12345);
$cache->put(2, 23456);
$cache->put(3, 34567);
$cache->put(2, 23457);
$expectedOrder = [2 => 23457, 3 => 34567, 1 => 12345];
$actualOrder = [];
foreach ($cache as $key => $value) {
$actualOrder[$key] = $value;
}
$this->assertEquals($expectedOrder, $actualOrder, "iterator should iterate in lru order");
}
/**
* @param $key string
* @param $value \mysqli_stmt
*
* @return bool
*/
public function put($key, $value) : bool
{
$isMysqliStatement = is_a($value, \mysqli_stmt::class);
if ($isMysqliStatement) {
parent::put($key, $value);
}
return $isMysqliStatement;
}
public function testExists()
{
$lru = new LRUCache(5);
$this->assertFalse($lru->exists('test'));
$lru->put('test', false);
$this->assertTrue($lru->exists('test'));
}
