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|
--TEST--
SPL: CachingIterator and __toString
--FILE--
<?php
function test($ar, $flags)
{
echo "===$flags===\n";
$it = new CachingIterator($ar, 0);
try {
$it->setFlags($flags);
} catch (\ValueError $e) {
echo 'Exception: ' . $e->getMessage() . "\n";
var_dump($it->getFlags());
return;
}
var_dump($it->getFlags());
try {
foreach($it as $v)
{
var_dump((string)$it);
}
} catch (Exception $e) {
echo 'Exception: ' . $e->getMessage() . "\n";
}
}
class MyItem
{
function __construct(public $value) {}
function __toString()
{
return (string)$this->value;
}
}
class MyArrayIterator extends ArrayIterator
{
function __toString()
{
return $this->key() . ':' . $this->current();
}
}
$ar = new MyArrayIterator(array(1, 2, 3));
test($ar, CachingIterator::CALL_TOSTRING);
test($ar, CachingIterator::TOSTRING_USE_KEY);
test($ar, CachingIterator::TOSTRING_USE_CURRENT);
$ar = new MyArrayIterator(array(new MyItem(1), new MyItem(2), new MyItem(3)));
test($ar, CachingIterator::TOSTRING_USE_INNER);
test($ar, CachingIterator::CALL_TOSTRING | CachingIterator::TOSTRING_USE_KEY);
test($ar, CachingIterator::CALL_TOSTRING | CachingIterator::TOSTRING_USE_CURRENT);
test($ar, CachingIterator::CALL_TOSTRING | CachingIterator::TOSTRING_USE_INNER);
test($ar, CachingIterator::TOSTRING_USE_KEY | CachingIterator::TOSTRING_USE_CURRENT);
test($ar, CachingIterator::TOSTRING_USE_KEY | CachingIterator::TOSTRING_USE_INNER);
echo "===X===\n";
try
{
$it = new CachingIterator($ar, CachingIterator::CALL_TOSTRING);
$it->setFlags(0);
}
catch (Exception $e)
{
echo 'Exception: ' . $e->getMessage() . "\n";
}
try
{
$it = new CachingIterator($ar, CachingIterator::TOSTRING_USE_INNER);
$it->setFlags(0);
}
catch (Exception $e)
{
echo 'Exception: ' . $e->getMessage() . "\n";
}
?>
--EXPECT--
===1===
int(1)
string(1) "1"
string(1) "2"
string(1) "3"
===2===
int(2)
string(1) "0"
string(1) "1"
string(1) "2"
===4===
int(4)
string(1) "1"
string(1) "2"
string(1) "3"
===8===
int(8)
string(3) "0:1"
string(3) "1:2"
string(3) "2:3"
===3===
Exception: CachingIterator::setFlags(): Argument #1 ($flags) must contain only one of CachingIterator::CALL_TOSTRING, CachingIterator::TOSTRING_USE_KEY, CachingIterator::TOSTRING_USE_CURRENT, or CachingIterator::TOSTRING_USE_INNER
int(0)
===5===
Exception: CachingIterator::setFlags(): Argument #1 ($flags) must contain only one of CachingIterator::CALL_TOSTRING, CachingIterator::TOSTRING_USE_KEY, CachingIterator::TOSTRING_USE_CURRENT, or CachingIterator::TOSTRING_USE_INNER
int(0)
===9===
Exception: CachingIterator::setFlags(): Argument #1 ($flags) must contain only one of CachingIterator::CALL_TOSTRING, CachingIterator::TOSTRING_USE_KEY, CachingIterator::TOSTRING_USE_CURRENT, or CachingIterator::TOSTRING_USE_INNER
int(0)
===6===
Exception: CachingIterator::setFlags(): Argument #1 ($flags) must contain only one of CachingIterator::CALL_TOSTRING, CachingIterator::TOSTRING_USE_KEY, CachingIterator::TOSTRING_USE_CURRENT, or CachingIterator::TOSTRING_USE_INNER
int(0)
===10===
Exception: CachingIterator::setFlags(): Argument #1 ($flags) must contain only one of CachingIterator::CALL_TOSTRING, CachingIterator::TOSTRING_USE_KEY, CachingIterator::TOSTRING_USE_CURRENT, or CachingIterator::TOSTRING_USE_INNER
int(0)
===X===
Exception: Unsetting flag CALL_TO_STRING is not possible
Exception: Unsetting flag TOSTRING_USE_INNER is not possible
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