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|
--TEST--
Test str_pad() function : usage variations - unexpected inputs for '$pad_length' argument
--FILE--
<?php
/* Prototype : string str_pad ( string $input , int $pad_length [, string $pad_string [, int $pad_type ]] )
* Description: Pad a string to a certain length with another string
* Source code: ext/standard/string.c
*/
/* Test str_pad() function: with unexpected inputs for '$pad_length'
* and expected type for '$input'
*/
echo "*** Testing str_pad() function: with unexpected inputs for 'pad_length' argument ***\n";
//get an unset variable
$unset_var = 'string_val';
unset($unset_var);
//defining a class
class sample {
public function __toString() {
return "sample object";
}
}
//getting the resource
$file_handle = fopen(__FILE__, "r");
// array with different values for $input
$pad_lengths = array (
// integer values
/*1*/ 0,
1,
-2,
255,
// float values
/*5*/ 10.5,
-20.5,
10.12345e2,
// array values
/*8*/ array(),
array(0),
array(1, 2),
// boolean values
/*11*/ true,
false,
TRUE,
FALSE,
// null vlaues
/*15*/ NULL,
null,
// objects
/*17*/ new sample(),
// resource
/*18*/ $file_handle,
// undefined variable
/*19*/ @$undefined_var,
// unset variable
/*20*/ @$unset_var
);
//defining '$input' argument
$input = "Test string";
// loop through with each element of the $pad_lengths array to test str_pad() function
$count = 1;
foreach($pad_lengths as $pad_length) {
echo "-- Iteration $count --\n";
var_dump( str_pad($input, $pad_length) );
$count ++;
}
fclose($file_handle); //closing the file handle
?>
===DONE===
--EXPECTF--
*** Testing str_pad() function: with unexpected inputs for 'pad_length' argument ***
-- Iteration 1 --
string(11) "Test string"
-- Iteration 2 --
string(11) "Test string"
-- Iteration 3 --
string(11) "Test string"
-- Iteration 4 --
string(255) "Test string "
-- Iteration 5 --
string(11) "Test string"
-- Iteration 6 --
string(11) "Test string"
-- Iteration 7 --
string(1012) "Test string "
-- Iteration 8 --
Warning: str_pad() expects parameter 2 to be integer, array given in %s on line %d
NULL
-- Iteration 9 --
Warning: str_pad() expects parameter 2 to be integer, array given in %s on line %d
NULL
-- Iteration 10 --
Warning: str_pad() expects parameter 2 to be integer, array given in %s on line %d
NULL
-- Iteration 11 --
string(11) "Test string"
-- Iteration 12 --
string(11) "Test string"
-- Iteration 13 --
string(11) "Test string"
-- Iteration 14 --
string(11) "Test string"
-- Iteration 15 --
string(11) "Test string"
-- Iteration 16 --
string(11) "Test string"
-- Iteration 17 --
Warning: str_pad() expects parameter 2 to be integer, object given in %s on line %d
NULL
-- Iteration 18 --
Warning: str_pad() expects parameter 2 to be integer, resource given in %s on line %d
NULL
-- Iteration 19 --
string(11) "Test string"
-- Iteration 20 --
string(11) "Test string"
===DONE===
|
