--TEST--
Test preg_match() function : error conditions - bad regular expressions
--FILE--
<?php
/* Function is implemented in ext/pcre/php_pcre.c */
/*
* Testing how preg_match reacts to being passed the wrong type of regex argument
*/
echo "*** Testing preg_match() : error conditions ***\n";
$regex_array = array('abcdef', //Regex without delimiter
'/[a-zA-Z]', //Regex without closing delimiter
'[a-zA-Z]/', //Regex without opening delimiter
'/[a-zA-Z]/F', array('[a-z]', //Array of Regexes
'[A-Z]', '[0-9]'), '/[a-zA-Z]/', //Regex string
);
$subject = 'this is a test';
foreach($regex_array as $regex_value) {
    @print "\nArg value is $regex_value\n";
    try {
        var_dump(preg_match($regex_value, $subject));
    } catch (TypeError $e) {
        echo $e->getMessage(), "\n";
    }
}
$regex_value = new stdclass(); //Object
try {
    var_dump(preg_match($regex_value, $subject));
} catch (TypeError $e) {
    echo $e->getMessage(), "\n";
}
?>
--EXPECTF--
*** Testing preg_match() : error conditions ***

Arg value is abcdef

Warning: preg_match(): Delimiter must not be alphanumeric or backslash in %spreg_match_error1.php on line %d
bool(false)

Arg value is /[a-zA-Z]

Warning: preg_match(): No ending delimiter '/' found in %spreg_match_error1.php on line %d
bool(false)

Arg value is [a-zA-Z]/

Warning: preg_match(): Unknown modifier '/' in %spreg_match_error1.php on line %d
bool(false)

Arg value is /[a-zA-Z]/F

Warning: preg_match(): Unknown modifier 'F' in %spreg_match_error1.php on line %d
bool(false)

Arg value is Array
preg_match(): Argument #1 ($pattern) must be of type string, array given

Arg value is /[a-zA-Z]/
int(1)
preg_match(): Argument #1 ($pattern) must be of type string, stdClass given