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172 lines
4.2 KiB
PHP
172 lines
4.2 KiB
PHP
--TEST--
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SPL: Iterator aggregating inner iterator's methods
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--FILE--
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<?php
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class NumericArrayIterator implements Iterator
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{
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protected $a;
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protected $i = 0;
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public function __construct($a)
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{
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echo __METHOD__ . "\n";
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$this->a = $a;
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}
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public function rewind()
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{
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echo __METHOD__ . "\n";
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$this->i = 0;
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}
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public function valid()
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{
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$ret = $this->i < count($this->a);
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echo __METHOD__ . '(' . ($ret ? 'true' : 'false') . ")\n";
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return $ret;
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}
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public function key()
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{
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echo __METHOD__ . "\n";
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return $this->i;
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}
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public function current()
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{
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echo __METHOD__ . "\n";
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return $this->a[$this->i];
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}
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public function next()
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{
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echo __METHOD__ . "\n";
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$this->i++;
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}
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public function greaterThan($comp)
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{
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echo get_class($this) . '::' . __FUNCTION__ . '(' . $comp . ")\n";
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return $this->current() > $comp;
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}
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}
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class SeekableNumericArrayIterator extends NumericArrayIterator implements SeekableIterator
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{
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public function seek($index)
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{
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if ($index < count($this->a)) {
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$this->i = $index;
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}
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echo __METHOD__ . '(' . $index . ")\n";
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}
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}
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$a = array(1, 2, 3, 4, 5);
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$it = new LimitIterator(new NumericArrayIterator($a), 1, 3);
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foreach ($it as $v)
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{
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print $v . ' is ' . ($it->greaterThan(2) ? 'greater than 2' : 'less than or equal 2') . "\n";
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}
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echo "===SEEKABLE===\n";
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$a = array(1, 2, 3, 4, 5);
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$it = new LimitIterator(new SeekableNumericArrayIterator($a), 1, 3);
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foreach($it as $v)
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{
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print $v . ' is ' . ($it->greaterThan(2) ? 'greater than 2' : 'less than or equal 2') . "\n";
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}
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echo "===STACKED===\n";
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echo "Shows '2 is greater than 2' because the test is actually done with the current value which is 3.\n";
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$a = array(1, 2, 3, 4, 5);
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$it = new CachingIterator(new LimitIterator(new SeekableNumericArrayIterator($a), 1, 3));
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foreach($it as $v)
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{
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print $v . ' is ' . ($it->greaterThan(2) ? 'greater than 2' : 'less than or equal 2') . "\n";
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}
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?>
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===DONE===
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<?php exit(0); ?>
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--EXPECT--
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NumericArrayIterator::__construct
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NumericArrayIterator::rewind
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NumericArrayIterator::valid(true)
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NumericArrayIterator::next
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NumericArrayIterator::valid(true)
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NumericArrayIterator::valid(true)
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NumericArrayIterator::current
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NumericArrayIterator::key
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NumericArrayIterator::greaterThan(2)
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NumericArrayIterator::current
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2 is less than or equal 2
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NumericArrayIterator::next
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NumericArrayIterator::valid(true)
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NumericArrayIterator::current
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NumericArrayIterator::key
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NumericArrayIterator::greaterThan(2)
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NumericArrayIterator::current
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3 is greater than 2
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NumericArrayIterator::next
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NumericArrayIterator::valid(true)
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NumericArrayIterator::current
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NumericArrayIterator::key
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NumericArrayIterator::greaterThan(2)
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NumericArrayIterator::current
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4 is greater than 2
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NumericArrayIterator::next
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===SEEKABLE===
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NumericArrayIterator::__construct
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NumericArrayIterator::rewind
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SeekableNumericArrayIterator::seek(1)
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NumericArrayIterator::valid(true)
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NumericArrayIterator::current
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NumericArrayIterator::key
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SeekableNumericArrayIterator::greaterThan(2)
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NumericArrayIterator::current
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2 is less than or equal 2
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NumericArrayIterator::next
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NumericArrayIterator::valid(true)
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NumericArrayIterator::current
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NumericArrayIterator::key
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SeekableNumericArrayIterator::greaterThan(2)
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NumericArrayIterator::current
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3 is greater than 2
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NumericArrayIterator::next
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NumericArrayIterator::valid(true)
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NumericArrayIterator::current
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NumericArrayIterator::key
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SeekableNumericArrayIterator::greaterThan(2)
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NumericArrayIterator::current
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4 is greater than 2
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NumericArrayIterator::next
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===STACKED===
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Shows '2 is greater than 2' because the test is actually done with the current value which is 3.
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NumericArrayIterator::__construct
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NumericArrayIterator::rewind
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SeekableNumericArrayIterator::seek(1)
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NumericArrayIterator::valid(true)
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NumericArrayIterator::current
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NumericArrayIterator::key
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NumericArrayIterator::next
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NumericArrayIterator::valid(true)
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NumericArrayIterator::current
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NumericArrayIterator::key
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SeekableNumericArrayIterator::greaterThan(2)
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NumericArrayIterator::current
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2 is greater than 2
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NumericArrayIterator::next
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NumericArrayIterator::valid(true)
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NumericArrayIterator::current
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NumericArrayIterator::key
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SeekableNumericArrayIterator::greaterThan(2)
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NumericArrayIterator::current
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3 is greater than 2
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NumericArrayIterator::next
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SeekableNumericArrayIterator::greaterThan(2)
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NumericArrayIterator::current
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4 is greater than 2
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===DONE===
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