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Annotation of embedaddon/php/ext/spl/tests/iterator_001.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: SPL: Iterator aggregating inner iterator's methods
        !             3: --FILE--
        !             4: <?php
        !             5: 
        !             6: class NumericArrayIterator implements Iterator
        !             7: {
        !             8:        protected $a;
        !             9:        protected $i = 0;
        !            10: 
        !            11:        public function __construct($a)
        !            12:        {
        !            13:                echo __METHOD__ . "\n";
        !            14:                $this->a = $a;
        !            15:        }
        !            16: 
        !            17:        public function rewind()
        !            18:        {
        !            19:                echo __METHOD__ . "\n";
        !            20:                $this->i = 0;
        !            21:        }
        !            22: 
        !            23:        public function valid()
        !            24:        {
        !            25:                $ret = $this->i < count($this->a);
        !            26:                echo __METHOD__ . '(' . ($ret ? 'true' : 'false') . ")\n";
        !            27:                return $ret;
        !            28:        }
        !            29: 
        !            30:        public function key()
        !            31:        {
        !            32:                echo __METHOD__ . "\n";
        !            33:                return $this->i;
        !            34:        }
        !            35: 
        !            36:        public function current()
        !            37:        {
        !            38:                echo __METHOD__ . "\n";
        !            39:                return $this->a[$this->i];
        !            40:        }
        !            41: 
        !            42:        public function next()
        !            43:        {
        !            44:                echo __METHOD__ . "\n";
        !            45:                $this->i++;
        !            46:        }
        !            47:        
        !            48:        public function greaterThan($comp)
        !            49:        {
        !            50:                echo get_class($this) . '::' . __FUNCTION__ . '(' . $comp . ")\n";
        !            51:                return $this->current() > $comp;
        !            52:        }
        !            53: }
        !            54: 
        !            55: class SeekableNumericArrayIterator extends NumericArrayIterator implements SeekableIterator
        !            56: {
        !            57:        public function seek($index)
        !            58:        {
        !            59:                if ($index < count($this->a)) {
        !            60:                        $this->i = $index;
        !            61:                }
        !            62:                echo __METHOD__ . '(' . $index . ")\n";
        !            63:        }
        !            64: }
        !            65: 
        !            66: $a = array(1, 2, 3, 4, 5);
        !            67: $it = new LimitIterator(new NumericArrayIterator($a), 1, 3);
        !            68: foreach ($it as $v)
        !            69: {
        !            70:        print $v . ' is ' . ($it->greaterThan(2) ? 'greater than 2' : 'less than or equal 2') . "\n";
        !            71: }
        !            72: 
        !            73: echo "===SEEKABLE===\n";
        !            74: $a = array(1, 2, 3, 4, 5);
        !            75: $it = new LimitIterator(new SeekableNumericArrayIterator($a), 1, 3);
        !            76: foreach($it as $v)
        !            77: {
        !            78:        print $v . ' is ' . ($it->greaterThan(2) ? 'greater than 2' : 'less than or equal 2') . "\n";
        !            79: }
        !            80: 
        !            81: echo "===STACKED===\n";
        !            82: echo "Shows '2 is greater than 2' because the test is actually done with the current value which is 3.\n";
        !            83: $a = array(1, 2, 3, 4, 5);
        !            84: $it = new CachingIterator(new LimitIterator(new SeekableNumericArrayIterator($a), 1, 3));
        !            85: foreach($it as $v)
        !            86: {
        !            87:        print $v . ' is ' . ($it->greaterThan(2) ? 'greater than 2' : 'less than or equal 2') . "\n";
        !            88: }
        !            89: 
        !            90: ?>
        !            91: ===DONE===
        !            92: <?php exit(0); ?>
        !            93: --EXPECT--
        !            94: NumericArrayIterator::__construct
        !            95: NumericArrayIterator::rewind
        !            96: NumericArrayIterator::valid(true)
        !            97: NumericArrayIterator::next
        !            98: NumericArrayIterator::valid(true)
        !            99: NumericArrayIterator::valid(true)
        !           100: NumericArrayIterator::current
        !           101: NumericArrayIterator::key
        !           102: NumericArrayIterator::greaterThan(2)
        !           103: NumericArrayIterator::current
        !           104: 2 is less than or equal 2
        !           105: NumericArrayIterator::next
        !           106: NumericArrayIterator::valid(true)
        !           107: NumericArrayIterator::current
        !           108: NumericArrayIterator::key
        !           109: NumericArrayIterator::greaterThan(2)
        !           110: NumericArrayIterator::current
        !           111: 3 is greater than 2
        !           112: NumericArrayIterator::next
        !           113: NumericArrayIterator::valid(true)
        !           114: NumericArrayIterator::current
        !           115: NumericArrayIterator::key
        !           116: NumericArrayIterator::greaterThan(2)
        !           117: NumericArrayIterator::current
        !           118: 4 is greater than 2
        !           119: NumericArrayIterator::next
        !           120: ===SEEKABLE===
        !           121: NumericArrayIterator::__construct
        !           122: NumericArrayIterator::rewind
        !           123: SeekableNumericArrayIterator::seek(1)
        !           124: NumericArrayIterator::valid(true)
        !           125: NumericArrayIterator::current
        !           126: NumericArrayIterator::key
        !           127: SeekableNumericArrayIterator::greaterThan(2)
        !           128: NumericArrayIterator::current
        !           129: 2 is less than or equal 2
        !           130: NumericArrayIterator::next
        !           131: NumericArrayIterator::valid(true)
        !           132: NumericArrayIterator::current
        !           133: NumericArrayIterator::key
        !           134: SeekableNumericArrayIterator::greaterThan(2)
        !           135: NumericArrayIterator::current
        !           136: 3 is greater than 2
        !           137: NumericArrayIterator::next
        !           138: NumericArrayIterator::valid(true)
        !           139: NumericArrayIterator::current
        !           140: NumericArrayIterator::key
        !           141: SeekableNumericArrayIterator::greaterThan(2)
        !           142: NumericArrayIterator::current
        !           143: 4 is greater than 2
        !           144: NumericArrayIterator::next
        !           145: ===STACKED===
        !           146: Shows '2 is greater than 2' because the test is actually done with the current value which is 3.
        !           147: NumericArrayIterator::__construct
        !           148: NumericArrayIterator::rewind
        !           149: SeekableNumericArrayIterator::seek(1)
        !           150: NumericArrayIterator::valid(true)
        !           151: NumericArrayIterator::current
        !           152: NumericArrayIterator::key
        !           153: NumericArrayIterator::next
        !           154: NumericArrayIterator::valid(true)
        !           155: NumericArrayIterator::current
        !           156: NumericArrayIterator::key
        !           157: SeekableNumericArrayIterator::greaterThan(2)
        !           158: NumericArrayIterator::current
        !           159: 2 is greater than 2
        !           160: NumericArrayIterator::next
        !           161: NumericArrayIterator::valid(true)
        !           162: NumericArrayIterator::current
        !           163: NumericArrayIterator::key
        !           164: SeekableNumericArrayIterator::greaterThan(2)
        !           165: NumericArrayIterator::current
        !           166: 3 is greater than 2
        !           167: NumericArrayIterator::next
        !           168: SeekableNumericArrayIterator::greaterThan(2)
        !           169: NumericArrayIterator::current
        !           170: 4 is greater than 2
        !           171: ===DONE===