Test/EVSE/GPL/php-7.3.28/ext/dba/tests/dba_db4_007.phpt

--TEST--
DBA DB4 File Creation popen("c") with existing invalid file
--SKIPIF--
<?php
$handler = "db4";
require_once(dirname(__FILE__) .'/skipif.inc');
die("info $HND handler used");
?>
--FILE--
<?php

$handler = "db4";
require_once(dirname(__FILE__) .'/test.inc');
echo "database handler: $handler\n";

var_dump(file_put_contents($db_filename, "Dummy contents"));

if (($db_file = dba_popen($db_filename, "c", $handler)) !== FALSE) {
    if (file_exists($db_filename)) {
        echo "database file created\n";
        dba_close($db_file);
    } else {
        echo "File did not get created\n";
    }
} else {
    echo "Error creating $db_filename\n";
}

?>
--CLEAN--
<?php
require(dirname(__FILE__) .'/clean.inc');
?>
--EXPECTF--
database handler: db4
int(14)

Warning: dba_popen(%stest0.dbm,c): Driver initialization failed for handler: db4: Invalid argument in %sdba_db4_007.php on line %d
Error creating %stest0.dbm