--TEST--
SPL: SplHeap, test trivial method to find if a heap is empty
--CREDITS--
Nathaniel McHugh nat@fishtrap.co.uk
#testfest London 2009-05-09
--FILE--
<?php

class MyHeap extends SplHeap{

public function compare($a, $b){
return $a < $b;
}

}


$heap = new MyHeap();
var_dump($heap->isEmpty());
$heap->insert(1);
var_dump($heap->isEmpty());
$heap->extract();
var_dump($heap->isEmpty());
$heap->isEmpty('var');
?>
--EXPECTF--
bool(true)
bool(false)
bool(true)

Warning: SplHeap::isEmpty() expects exactly 0 parameters, 1 given in %s