--TEST--
Test function ftruncate() on zlib wrapper by calling it with its expected arguments
--SKIPIF--
<?php 
if (!extension_loaded("zlib")) {
	print "skip - ZLIB extension not loaded"; 
}
?>
--FILE--
<?php
$f = dirname(__FILE__)."/004.txt.gz";
$f2 = "temp.txt.gz";
copy($f, $f2);

$h = gzopen($f2, "r");
ftruncate($h, 20);
fclose($h);
unlink($f2);

$h = gzopen($f2, "w");
ftruncate($h, 20);
fclose($h);
unlink($f2);

?>
===DONE===
--EXPECTF--

Warning: ftruncate(): Can't truncate this stream! in %s on line %d

Warning: ftruncate(): Can't truncate this stream! in %s on line %d
===DONE===