--TEST--
mysqli_begin_transaction()
--EXTENSIONS--
mysqli
--SKIPIF--
<?php
require_once __DIR__ . '/test_setup/test_helpers.inc';;
$link = mysqli_connect_or_skip();
if (!have_innodb($link))
    die(sprintf("skip Needs InnoDB support, [%d] %s", $link->errno, $link->error));
?>
--FILE--
<?php
    require_once 'connect.inc';
    if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
        printf("[004] 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($link, 'DROP TABLE IF EXISTS test'))
        printf("[008] [%d] %s\n", mysqli_errno($link), mysqli_error($link));

    if (!mysqli_query($link, 'CREATE TABLE test(id INT) ENGINE = InnoDB'))
        printf("[009] Cannot create test table, [%d] %s\n", mysqli_errno($link), mysqli_error($link));

    if (true !== ($tmp = mysqli_autocommit($link, true)))
        printf("[010] Cannot turn on autocommit, expecting true, got %s/%s\n", gettype($tmp), $tmp);

    /* overrule autocommit */
    if (true !== ($tmp = mysqli_begin_transaction($link)))
        printf("[011] Got %s - [%d] %s\n", $tmp, mysqli_errno($link), mysqli_error($link));

    if (!mysqli_query($link, 'INSERT INTO test(id) VALUES (1)'))
        printf("[012] [%d] %s\n", mysqli_errno($link), mysqli_error($link));

    $tmp = mysqli_rollback($link);
    if ($tmp !== true)
        printf("[013] Expecting boolean/true, got %s/%s\n", gettype($tmp), $tmp);

    /* empty */
    $res = mysqli_query($link, "SELECT * FROM test");
    var_dump($res->fetch_assoc());

    /* valid flags */
    $flags = array(MYSQLI_TRANS_START_WITH_CONSISTENT_SNAPSHOT);

    if (mysqli_get_server_version($link) >= 50605) {
        $flags[] = MYSQLI_TRANS_START_READ_WRITE;
        $flags[] = MYSQLI_TRANS_START_READ_ONLY;
    }

    /* just coverage */
    foreach ($flags as $flag) {
        if (!mysqli_begin_transaction($link, $flag, sprintf("flag %d", $flag))) {
            printf("[014] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
        }
        if (!mysqli_query($link, 'SELECT * FROM test') || !mysqli_rollback($link)) {
            printf("[015] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
        }
    }

    /* does it really set a flag? */
    if (mysqli_get_server_version($link) >= 50605) {
        if (!mysqli_begin_transaction($link, MYSQLI_TRANS_START_READ_ONLY, sprintf("flag %d", $flag))) {
            printf("[016] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
        }
        if (mysqli_query($link, "INSERT INTO test(id) VALUES (2)")) {
            printf("[017] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
        } else if (!mysqli_commit($link)) {
            printf("[018] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
        } else {
            mysqli_query($link, "SELECT id FROM test WHERE id = 2");
        }
    }

    try {
        mysqli_begin_transaction($link, -1);
        printf("[019] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
    } catch (\ValueError $e) {
        echo $e->getMessage() . \PHP_EOL;
    }

    if (mysqli_get_server_version($link) >= 50605) {
        /* does it like stupid names? */
        if (@!$link->begin_transaction(MYSQLI_TRANS_START_READ_WRITE, "*/trick me?\n\0"))
                printf("[020] [%d] %s\n", mysqli_errno($link), mysqli_error($link));

        /* does it like stupid names? */
        if (@!$link->begin_transaction(MYSQLI_TRANS_START_READ_WRITE, "az09"))
            printf("[021] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
    }

    print "done!";
?>
--CLEAN--
<?php
    require_once 'clean_table.inc';
?>
--EXPECT--
NULL
mysqli_begin_transaction(): Argument #2 ($flags) must be one of the MYSQLI_TRANS_* constants
done!