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--TEST--
Test strncmp() function : error conditions
--FILE--
<?php
/* Prototype : int strncmp ( string $str1, string $str2, int $len );
* Description: Binary safe case-sensitive string comparison of the first n characters
* Source code: Zend/zend_builtin_functions.c
*/
/* Test strncmp() function with more/less number of args and invalid args */
echo "*** Testing strncmp() function: error conditions ***\n";
$str1 = 'string_val';
$str2 = 'string_val';
$len = 10;
$extra_arg = 10;
var_dump( strncmp() ); //Zero argument
var_dump( strncmp($str1) ); //One argument, less than expected no. of args
var_dump( strncmp($str1, $str2) ); //Two arguments, less than expected no. of args
var_dump( strncmp($str1, $str2, $len, $extra_arg) ); //Four arguments, greater than expected no. of args
/* Invalid argument for $len */
$len = -10;
var_dump( strncmp($str1, $str2, $len) );
echo "*** Done ***\n";
?>
--EXPECTF--
*** Testing strncmp() function: error conditions ***
Warning: strncmp() expects exactly 3 parameters, 0 given in %s on line %d
NULL
Warning: strncmp() expects exactly 3 parameters, 1 given in %s on line %d
NULL
Warning: strncmp() expects exactly 3 parameters, 2 given in %s on line %d
NULL
Warning: strncmp() expects exactly 3 parameters, 4 given in %s on line %d
NULL
Warning: Length must be greater than or equal to 0 in %s on line %d
bool(false)
*** Done ***
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