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--TEST--
Test count_chars() function : usage variations - test values for $mode argument
--FILE--
<?php
/* Prototype : mixed count_chars ( string $string [, int $mode ] )
* Description: Return information about characters used in a string
* Source code: ext/standard/string.c
*/
echo "*** Testing count_chars() function: with unexpected inputs for 'mode' argument ***\n";
//get an unset variable
$unset_var = 'string_val';
unset($unset_var);
//defining a class
class sample {
}
// array with different values for $input
$inputs = array (
// integer values
/* 1 */ 0,
1,
255,
2147483647,
-2147483648,
// float values
/* 6 */ 0.0,
1.3,
10.5,
-20.5,
10.1234567e10,
// array values
/* 11 */ array(),
array(1, 2, 3, 4, 5, 6, 7, 8, 9),
// boolean values
/* 14 */ true,
false,
TRUE,
FALSE,
// null values
/* 18 */ NULL,
null,
// string values
/* 20 */ "ABCD",
'abcd',
"1ABC",
"5ABC",
// objects
/* 24 */ new sample(),
// undefined variable
/* 25 */ @$undefined_var,
// unset variable
/* 26 */ @$unset_var
);
// loop through with each element of the $inputs array to test count_chars() function
// with unexepcted values for the 'mode' argument
$count = 1;
$string = "Return information about characters used in a string";
foreach($inputs as $input) {
echo "-- Iteration $count --\n";
// only list characters with a frequency > 0
var_dump(is_array(count_chars($string, $input)));
$count ++;
}
?>
===DONE===
--EXPECTF--
*** Testing count_chars() function: with unexpected inputs for 'mode' argument ***
-- Iteration 1 --
bool(true)
-- Iteration 2 --
bool(true)
-- Iteration 3 --
Warning: count_chars(): Unknown mode in %s on line %d
bool(false)
-- Iteration 4 --
Warning: count_chars(): Unknown mode in %s on line %d
bool(false)
-- Iteration 5 --
Warning: count_chars(): Unknown mode in %s on line %d
bool(false)
-- Iteration 6 --
bool(true)
-- Iteration 7 --
bool(true)
-- Iteration 8 --
Warning: count_chars(): Unknown mode in %s on line %d
bool(false)
-- Iteration 9 --
Warning: count_chars(): Unknown mode in %s on line %d
bool(false)
-- Iteration 10 --
Warning: count_chars(): Unknown mode in %s on line %d
bool(false)
-- Iteration 11 --
Warning: count_chars() expects parameter 2 to be long, array given in %s on line %d
bool(false)
-- Iteration 12 --
Warning: count_chars() expects parameter 2 to be long, array given in %s on line %d
bool(false)
-- Iteration 13 --
bool(true)
-- Iteration 14 --
bool(true)
-- Iteration 15 --
bool(true)
-- Iteration 16 --
bool(true)
-- Iteration 17 --
bool(true)
-- Iteration 18 --
bool(true)
-- Iteration 19 --
Warning: count_chars() expects parameter 2 to be long, string given in %s on line %d
bool(false)
-- Iteration 20 --
Warning: count_chars() expects parameter 2 to be long, string given in %s on line %d
bool(false)
-- Iteration 21 --
Notice: A non well formed numeric value encountered in %s on line %d
bool(true)
-- Iteration 22 --
Notice: A non well formed numeric value encountered in %s on line %d
Warning: count_chars(): Unknown mode in %s on line %d
bool(false)
-- Iteration 23 --
Warning: count_chars() expects parameter 2 to be long, object given in %s on line %d
bool(false)
-- Iteration 24 --
bool(true)
-- Iteration 25 --
bool(true)
===DONE===
|
