--- /dev/null
+--TEST--
+int set_file_buffer ( resource $stream , int $buffer );
+--CREDITS--
+marcosptf - <marcosptf@yahoo.com.br> - #phparty7 - @phpsp - novatec/2015 - sao paulo - br
+--FILE--
+<?php
+
+class test_wrapper {
+
+ function stream_open($path, $mode, $openedpath) {
+ return true;
+ }
+
+ function stream_eof() {
+ return false;
+ }
+
+ function stream_write($data) {
+ echo "size: ", strlen($data), "\n";
+ return strlen($data);
+ }
+
+ function stream_set_option($option, $arg1, $arg2) {
+ echo "option: ", $option, ", ", $arg1, ", ", $arg2, "\n";
+ return false;
+ }
+}
+
+var_dump(stream_wrapper_register('test', 'test_wrapper'));
+$fd = fopen("test://foo","r");
+var_dump(set_file_buffer($fd, 50));
+var_dump(stream_set_chunk_size($fd, 42));
+var_dump(fwrite($fd, str_repeat('0', 70)));
+?>
+--CLEAN--
+<?php
+fclose($fd);
+unset($fd);
+?>
+--EXPECTF--
+bool(true)
+option: %d, %d, %d
+int(%i)
+int(%d)
+size: %d
+size: %d
+int(%d)