<?php

include_once "connect.inc";
$link = NULL;
$tmp = NULL;
if (!($mysqli = new my_mysqli($host, $user, $passwd, $db, $port, $socket))) {
    printf("[001] Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n", $host, $user, $db, $port, $socket);
}
if (false !== ($tmp = $mysqli->change_user($user . '_unknown_really', $passwd . 'non_empty', $db))) {
    printf("[006] Expecting false, got %s/%s\n", gettype($tmp), $tmp);
}
if (false !== ($tmp = $mysqli->change_user($user, $passwd . '_unknown_really', $db))) {
    printf("[007] Expecting false, got %s/%s\n", gettype($tmp), $tmp);
}
if (false !== ($tmp = $mysqli->change_user($user, $passwd, $db . '_unknown_really'))) {
    printf("[008] Expecting false, got %s/%s\n", gettype($tmp), $tmp);
}
if (!$mysqli->query('SET @mysqli_change_user_test_var=1')) {
    printf("[009] Failed to set test variable: [%d] %s\n", $mysqli->errno, $mysqli->error);
}
if (!($res = $mysqli->query('SELECT @mysqli_change_user_test_var AS test_var'))) {
    printf("[010] [%d] %s\n", $mysqli->errno, $mysqli->error);
}
$tmp = $res->fetch_assoc();
$res->free_result();
if (1 != $tmp['test_var']) {
    printf("[011] Cannot set test variable\n");
}
if (true !== ($tmp = $mysqli->change_user($user, $passwd, $db))) {
    printf("[012] Expecting true, got %s/%s\n", gettype($tmp), $tmp);
}
// Reconnect because after 3 failed change_user attempts, the server blocks you off.
if (!($mysqli = new my_mysqli($host, $user, $passwd, $db, $port, $socket))) {
    printf("[001] Cannot connect to the server using host=%s, user=%s, passwd=***, dbname=%s, port=%s, socket=%s\n", $host, $user, $db, $port, $socket);
}
if (!$mysqli->query('SET @mysqli_change_user_test_var=1')) {
    printf("[009] Failed to set test variable: [%d] %s\n", $mysqli->errno, $mysqli->error);
}
if (!($res = $mysqli->query('SELECT @mysqli_change_user_test_var AS test_var'))) {
    printf("[010] [%d] %s\n", $mysqli->errno, $mysqli->error);
}
$tmp = $res->fetch_assoc();
$res->free_result();
if (1 != $tmp['test_var']) {
    printf("[011] Cannot set test variable\n");
}
if (true !== ($tmp = $mysqli->change_user($user, $passwd, $db))) {
    printf("[012] Expecting true, got %s/%s\n", gettype($tmp), $tmp);
}
if (!($res = $mysqli->query('SELECT database() AS dbname, user() AS user'))) {
    printf("[013] [%d] %s\n", $mysqli->errno, $mysqli->error);
}
$tmp = $res->fetch_assoc();
$res->free_result();
if (substr($tmp['user'], 0, strlen($user)) !== $user) {
    printf("[014] Expecting user %s, got user() %s\n", $user, $tmp['user']);
}
if ($tmp['dbname'] != $db) {
    printf("[015] Expecting database %s, got database() %s\n", $db, $tmp['dbname']);
}
if (!($res = $mysqli->query('SELECT @mysqli_change_user_test_var AS test_var'))) {
    printf("[016] [%d] %s\n", $mysqli->errno, $mysqli->error);