php-src/ext/spl/tests/iterator_004.phpt
2012-10-10 10:27:49 +08:00

143 lines
2.8 KiB
PHP

--TEST--
SPL: SeekableIterator and string keys
--FILE--
<?php
class NumericArrayIterator implements Iterator
{
protected $a;
protected $i;
public function __construct($a)
{
echo __METHOD__ . "\n";
$this->a = $a;
}
public function rewind()
{
echo __METHOD__ . "\n";
$this->i = 0;
}
public function valid()
{
$ret = $this->i < count($this->a);
echo __METHOD__ . '(' . ($ret ? 'true' : 'false') . ")\n";
return $ret;
}
public function key()
{
echo __METHOD__ . "\n";
return $this->i;
}
public function current()
{
echo __METHOD__ . "\n";
return $this->a[$this->i];
}
public function next()
{
echo __METHOD__ . "\n";
$this->i++;
}
}
class SeekableNumericArrayIterator extends NumericArrayIterator implements SeekableIterator
{
public function seek($index)
{
if ($index < count($this->a)) {
$this->i = $index;
}
echo __METHOD__ . '(' . $index . ")\n";
}
}
$a = array(1, 2, 3, 4, 5);
foreach (new LimitIterator(new NumericArrayIterator($a), 1, 3) as $v)
{
print "$v\n";
}
echo "===SEEKABLE===\n";
$a = array(1, 2, 3, 4, 5);
foreach(new LimitIterator(new SeekableNumericArrayIterator($a), 1, 3) as $v)
{
print "$v\n";
}
echo "===SEEKING===\n";
$a = array(1, 2, 3, 4, 5);
$l = new LimitIterator(new SeekableNumericArrayIterator($a));
for($i = 1; $i < 4; $i++)
{
$l->seek($i);
print $l->current() . "\n";
}
?>
===DONE===
<?php exit(0); ?>
--EXPECT--
NumericArrayIterator::__construct
NumericArrayIterator::rewind
NumericArrayIterator::valid(true)
NumericArrayIterator::next
NumericArrayIterator::valid(true)
NumericArrayIterator::valid(true)
NumericArrayIterator::current
NumericArrayIterator::key
2
NumericArrayIterator::next
NumericArrayIterator::valid(true)
NumericArrayIterator::current
NumericArrayIterator::key
3
NumericArrayIterator::next
NumericArrayIterator::valid(true)
NumericArrayIterator::current
NumericArrayIterator::key
4
NumericArrayIterator::next
===SEEKABLE===
NumericArrayIterator::__construct
NumericArrayIterator::rewind
SeekableNumericArrayIterator::seek(1)
NumericArrayIterator::valid(true)
NumericArrayIterator::current
NumericArrayIterator::key
2
NumericArrayIterator::next
NumericArrayIterator::valid(true)
NumericArrayIterator::current
NumericArrayIterator::key
3
NumericArrayIterator::next
NumericArrayIterator::valid(true)
NumericArrayIterator::current
NumericArrayIterator::key
4
NumericArrayIterator::next
===SEEKING===
NumericArrayIterator::__construct
SeekableNumericArrayIterator::seek(1)
NumericArrayIterator::valid(true)
NumericArrayIterator::current
NumericArrayIterator::key
2
SeekableNumericArrayIterator::seek(2)
NumericArrayIterator::valid(true)
NumericArrayIterator::current
NumericArrayIterator::key
3
SeekableNumericArrayIterator::seek(3)
NumericArrayIterator::valid(true)
NumericArrayIterator::current
NumericArrayIterator::key
4
===DONE===