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|
--TEST--
Test ucwords() function : usage variations - unexpected input values
--FILE--
<?php
/* Prototype : string ucwords ( string $str )
* Description: Uppercase the first character of each word in a string
* Source code: ext/standard/string.c
*/
/*
* Test ucwords() by passing different values including scalar and non scalar values
*/
echo "*** Testing ucwords() : usage variations ***\n";
// initialize all required variables
// get an unset variable
$unset_var = 'string_val';
unset($unset_var);
$fp = fopen(__FILE__, "r");
class my
{
function __toString() {
return "myString";
}
}
// array with different values
$values = array (
// integer values
0,
1,
12345,
-2345,
// hex values
0x10,
0X20,
0xAA,
-0XF5,
// octal values
0123,
-0342,
// float values
10.5,
-10.5,
10.1234567e10,
10.7654321E-10,
.5,
// array values
array(),
array(0),
array(1),
array(1, 2),
array('color' => 'red', 'item' => 'pen'),
// boolean values
true,
false,
TRUE,
FALSE,
// objects
new my(),
// empty string
"",
'',
//NULL
NULL,
null,
// hex in string
"0x123",
'0x123',
"0xFF12",
"-0xFF12",
// undefined variable
@$undefined_var,
// unset variable
@$unset_var,
// resource variable
$fp
);
// loop through each element of the array and check the working of ucwords()
// when $str argument is supplied with different values
echo "\n--- Testing ucwords() by supplying different values for 'str' argument ---\n";
$counter = 1;
for($index = 0; $index < count($values); $index ++) {
echo "-- Iteration $counter --\n";
$str = $values [$index];
var_dump( ucwords($str) );
$counter ++;
}
// close the file handle
fclose($fp);
echo "Done\n";
?>
--EXPECTF--
*** Testing ucwords() : usage variations ***
--- Testing ucwords() by supplying different values for 'str' argument ---
-- Iteration 1 --
string(1) "0"
-- Iteration 2 --
string(1) "1"
-- Iteration 3 --
string(5) "12345"
-- Iteration 4 --
string(5) "-2345"
-- Iteration 5 --
string(2) "16"
-- Iteration 6 --
string(2) "32"
-- Iteration 7 --
string(3) "170"
-- Iteration 8 --
string(4) "-245"
-- Iteration 9 --
string(2) "83"
-- Iteration 10 --
string(4) "-226"
-- Iteration 11 --
string(4) "10.5"
-- Iteration 12 --
string(5) "-10.5"
-- Iteration 13 --
string(12) "101234567000"
-- Iteration 14 --
string(13) "1.07654321E-9"
-- Iteration 15 --
string(3) "0.5"
-- Iteration 16 --
Warning: ucwords() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 17 --
Warning: ucwords() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 18 --
Warning: ucwords() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 19 --
Warning: ucwords() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 20 --
Warning: ucwords() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 21 --
string(1) "1"
-- Iteration 22 --
string(0) ""
-- Iteration 23 --
string(1) "1"
-- Iteration 24 --
string(0) ""
-- Iteration 25 --
string(8) "MyString"
-- Iteration 26 --
string(0) ""
-- Iteration 27 --
string(0) ""
-- Iteration 28 --
string(0) ""
-- Iteration 29 --
string(0) ""
-- Iteration 30 --
string(5) "0x123"
-- Iteration 31 --
string(5) "0x123"
-- Iteration 32 --
string(6) "0xFF12"
-- Iteration 33 --
string(7) "-0xFF12"
-- Iteration 34 --
string(0) ""
-- Iteration 35 --
string(0) ""
-- Iteration 36 --
Warning: ucwords() expects parameter 1 to be string, resource given in %s on line %d
NULL
Done
|
