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1.1       misho       1: --TEST--
                      2: Test strncmp() function : error conditions 
                      3: --FILE--
                      4: <?php
                      5: /* Prototype  : int strncmp ( string $str1, string $str2, int $len );
                      6:  * Description: Binary safe case-sensitive string comparison of the first n characters
                      7:  * Source code: Zend/zend_builtin_functions.c
                      8: */
                      9: 
                     10: /* Test strncmp() function with more/less number of args and invalid args */
                     11: 
                     12: echo "*** Testing strncmp() function: error conditions ***\n";
                     13: $str1 = 'string_val';
                     14: $str2 = 'string_val';
                     15: $len = 10;
                     16: $extra_arg = 10;
                     17: 
                     18: var_dump( strncmp() );  //Zero argument
                     19: var_dump( strncmp($str1) );  //One argument, less than expected no. of args
                     20: var_dump( strncmp($str1, $str2) );  //Two arguments, less than expected no. of args
                     21: var_dump( strncmp($str1, $str2, $len, $extra_arg) );  //Four arguments, greater than expected no. of args
                     22: 
                     23: /* Invalid argument for $len */
                     24: $len = -10;
                     25: var_dump( strncmp($str1, $str2, $len) );
                     26: echo "*** Done ***\n";
                     27: ?>
                     28: --EXPECTF--
                     29: *** Testing strncmp() function: error conditions ***
                     30: 
                     31: Warning: strncmp() expects exactly 3 parameters, 0 given in %s on line %d
                     32: NULL
                     33: 
                     34: Warning: strncmp() expects exactly 3 parameters, 1 given in %s on line %d
                     35: NULL
                     36: 
                     37: Warning: strncmp() expects exactly 3 parameters, 2 given in %s on line %d
                     38: NULL
                     39: 
                     40: Warning: strncmp() expects exactly 3 parameters, 4 given in %s on line %d
                     41: NULL
                     42: 
                     43: Warning: Length must be greater than or equal to 0 in %s on line %d
                     44: bool(false)
                     45: *** Done ***