public function testIteratorReduce()
{
$rangeIterator = new RangeIterator(1, 2);
$genericObject1 = new stdClass();
$genericObject1->test = 5;
$genericObject2 = new stdClass();
$genericObject2->test = 10;
$arrayIterator = new ArrayIterator(array($genericObject1, $genericObject2));
$this->assertEquals(3, IterUtil::iterator_reduce($rangeIterator, function (&$carry, $element) {
return $carry += $element;
}));
$this->assertEquals(5, IterUtil::iterator_reduce($rangeIterator, function (&$carry, $element) {
return $carry += $element;
}, 2));
$this->assertEquals(15, IterUtil::iterator_reduce($arrayIterator, function (&$carry, $element) {
return $carry += $element->test;
}));
$this->assertEquals(19, IterUtil::iterator_reduce($arrayIterator, function (&$carry, $element) {
return $carry += $element->test;
}, 4));
}
