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--TEST--
Test uasort() function : error conditions
--FILE--
<?php
/* Prototype : bool uasort(array $array_arg, string $cmp_function)
* Description: Sort an array with a user-defined comparison function and maintain index association
* Source code: ext/standard/array.c
*/
echo "*** Testing uasort() : error conditions ***\n";
// comparison function
/* Prototype : int cmp(mixed $value1, mixed $value2)
* Parameters : $value1 and $value2 - values to be compared
* Return value : 0 - if both values are same
* 1 - if value1 is greater than value2
* -1 - if value1 is less than value2
* Description : compares value1 and value2
*/
function cmp($value1, $value2)
{
if($value1 == $value2) {
return 0;
}
else if($value1 > $value2) {
return 1;
}
else {
return -1;
}
}
// Initialize 'array_arg'
$array_arg = array(0 => 1, 1 => 10, 2 => 'string', 3 => 3, 4 => 2, 5 => 100, 6 => 25);
// With zero arguments
echo "-- Testing uasort() function with Zero argument --\n";
var_dump( uasort() );
// With one more than the expected number of arguments
echo "-- Testing uasort() function with more than expected no. of arguments --\n";
$extra_arg = 10;
var_dump( uasort($array_arg, 'cmp', $extra_arg) );
// With one less than the expected number of arguments
echo "-- Testing uasort() function with less than expected no. of arguments --\n";
var_dump( uasort($array_arg) );
// With non existent comparison function
echo "-- Testing uasort() function with non-existent compare function --\n";
var_dump( uasort($array_arg, 'non_existent') );
// With non existent comparison function and extra arguemnt
echo "-- Testing uasort() function with non-existent compare function and extra argument --\n";
var_dump( uasort($array_arg, 'non_existent', $extra_arg) );
echo "Done"
?>
--EXPECTF--
*** Testing uasort() : error conditions ***
-- Testing uasort() function with Zero argument --
Warning: Wrong parameter count for uasort() in %s on line %d
NULL
-- Testing uasort() function with more than expected no. of arguments --
Warning: Wrong parameter count for uasort() in %s on line %d
NULL
-- Testing uasort() function with less than expected no. of arguments --
Warning: Wrong parameter count for uasort() in %s on line %d
NULL
-- Testing uasort() function with non-existent compare function --
Warning: uasort(): Invalid comparison function in %s on line %d
bool(false)
-- Testing uasort() function with non-existent compare function and extra argument --
Warning: Wrong parameter count for uasort() in %s on line %d
NULL
Done
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