--TEST-- SPL: CachingIterator and offsetSet/Unset, getCache using flag FULL_CACHE --FILE-- $v) { echo "set($k,$v)\n"; $this->offsetSet($k, $v); } } function testUnset($ar) { echo __METHOD__ . "()\n"; foreach($ar as $k => $v) { echo "unset($v)\n"; $this->offsetUnset($v); } } function fill() { echo __METHOD__ . "()\n"; foreach($this as $v) ; } function show() { echo __METHOD__ . "()\n"; var_dump($this->getCache()); } } $it = new MyCachingIterator(new ArrayIterator(array(0, 'foo'=>1, 2, 'bar'=>3, 4))); try { var_dump($it->offsetSet(0, 0)); } catch(Exception $e) { echo "Exception: " . $e->getMessage() . "\n"; } try { var_dump($it->offsetUnset(0)); } catch(Exception $e) { echo "Exception: " . $e->getMessage() . "\n"; } $it = new MyCachingIterator(new ArrayIterator(array(0, 1, 2, 3)), CachingIterator::FULL_CACHE); $checks = array(0 => 25, 1 => 42, 3 => 'FooBar'); $unsets = array(0, 2); $it->testSet($checks); $it->show(); $it->testUnset($unsets); $it->show(); $it->fill(); $it->show(); $it->testSet($checks); $it->show(); $it->testUnset($unsets); $it->show(); ?> ===DONE=== --EXPECTF-- Exception: MyCachingIterator does not use a full cache (see CachingIterator::__construct) Exception: MyCachingIterator does not use a full cache (see CachingIterator::__construct) MyCachingIterator::testSet() set(0,25) set(1,42) set(3,FooBar) MyCachingIterator::show() array(3) { [0]=> int(25) [1]=> int(42) [3]=> string(6) "FooBar" } MyCachingIterator::testUnset() unset(0) unset(2) MyCachingIterator::show() array(2) { [1]=> int(42) [3]=> string(6) "FooBar" } MyCachingIterator::fill() MyCachingIterator::show() array(4) { [0]=> int(0) [1]=> int(1) [2]=> int(2) [3]=> int(3) } MyCachingIterator::testSet() set(0,25) set(1,42) set(3,FooBar) MyCachingIterator::show() array(4) { [0]=> int(25) [1]=> int(42) [2]=> int(2) [3]=> string(6) "FooBar" } MyCachingIterator::testUnset() unset(0) unset(2) MyCachingIterator::show() array(2) { [1]=> int(42) [3]=> string(6) "FooBar" } ===DONE===