xref: /PHP-8.0/ext/mbstring/tests/bug66797.phpt (revision a555cc0b) 
1--TEST--
2Bug #66797 (mb_substr only takes 32-bit signed integer)
3--SKIPIF--
4<?php
5if (!extension_loaded('mbstring')) die('skip mbstring extension not available');
6if (PHP_INT_SIZE != 8) die('skip this test is for 64bit platforms only');
7?>
8--FILE--
9<?php
10var_dump(
11    mb_substr('bar', 0, 0x7fffffff),
12    mb_substr('bar', 0, 0x80000000),
13    mb_substr('bar', 0xffffffff, 1),
14    mb_substr('bar', 0x100000000, 1)
15);
16?>
17--EXPECT--
18string(3) "bar"
19string(3) "bar"
20string(0) ""
21string(0) ""
22