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Current File : /www/server/php/72/src/ext/zlib/tests/bug75273.phpt
--TEST--
Bug #75273 (php_zlib_inflate_filter() may not update bytes_consumed)
--SKIPIF--
<?php
if (!extension_loaded('zlib')) die('skip zlib extension not available');
?>
--FILE--
<?php
function non_repeating_str($len = 8192) {
	$ret = '';
	mt_srand(1);
	$iterations = (int) ($len / 256) + 1;
	for ($i = 0; $i < $iterations; $i++) {
		$haves = array();
		$cnt = 0;
		while ($cnt < 256) {
			$j = mt_rand(0, 255);
			if (!isset($haves[$j])) {
				$haves[$j] = $j;
				$cnt++;
				$ret .= chr($j);
			}
		}
	}
	return substr($ret, 0, $len);
}

$base_len = 32768 - 23 /*overhead*/;

$stream = fopen('php://memory', 'rb+');

for ($i = 1; $i <= 8; $i++) {
	$in_data = non_repeating_str($base_len + $i);

	$deflate_filter = stream_filter_append($stream, 'zlib.deflate',  STREAM_FILTER_WRITE, ['window' => 16 + 15]);
	rewind($stream);
	fwrite($stream, $in_data);
	stream_filter_remove($deflate_filter);

	rewind($stream);
	$out_data = stream_get_contents($stream);
	$out_data_len = strlen($out_data);

	$inflate_filter = stream_filter_prepend($stream, 'zlib.inflate',  STREAM_FILTER_WRITE, ['window' => 16 + 15]);
	rewind($stream);
	$fwrite_len = fwrite($stream, $out_data);
	stream_filter_remove($inflate_filter);

	if ($out_data_len !== $fwrite_len) {
		echo "bug i=$i out_data_len=$out_data_len fwrite_len=$fwrite_len\n";
	}
}

fclose($stream);
?>
===DONE===
--EXPECT--
===DONE===

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