--TEST--
mysqli_debug() - enabling trace with ini setting
--SKIPIF--
<?php
require_once('skipif.inc');
require_once('skipifconnectfailure.inc');

if (!function_exists('mysqli_debug'))
    die("skip mysqli_debug() not available");

if (!defined('MYSQLI_DEBUG_TRACE_ENABLED'))
    die("skip: can't say for sure if mysqli_debug works");

if (defined('MYSQLI_DEBUG_TRACE_ENABLED') && !MYSQLI_DEBUG_TRACE_ENABLED)
    die("skip: debug functionality not enabled");

require_once('connect.inc');
if (!$IS_MYSQLND)
    die("skip needs mysqlnd");

if (!$fp = @fopen('/tmp/mysqli_debug_phpt.trace', 'w'))
    die("skip PHP cannot create a file in /tmp/mysqli_debug_phpt");
else
    fclose($fp);
@unlink("/tmp/mysqli_debug_phpt.trace");
?>
--INI--
mysqlnd.debug="t:O,/tmp/mysqli_debug_phpt.trace"
--FILE--
<?php
    require_once('connect.inc');
    require_once('table.inc');

    var_dump(ini_get('mysqlnd.debug'));

    $trace_file = '/tmp/mysqli_debug_phpt.trace';
    clearstatcache();
    if (!file_exists($trace_file))
        printf("[003] Trace file '%s' has not been created\n", $trace_file);
    if (filesize($trace_file) < 50)
        printf("[004] Trace file '%s' is very small. filesize() reports only %d bytes. Please check.\n",
            $trace_file,
            filesize($trace_file));

    mysqli_close($link);
    unlink($trace_file);

    print "done!";
?>
--EXPECT--
string(32) "t:O,/tmp/mysqli_debug_phpt.trace"
done!