1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
--TEST--
Test str_pad() function : usage variations - unexpected inputs for '$input' argument
--FILE--
<?php
/* Prototype : string str_pad ( string $input , int $pad_length [, string $pad_string [, int $pad_type ]] )
* Description: Pad a string to a certain length with another string
* Source code: ext/standard/string.c
*/
/* Test str_pad() function: with unexpected inputs for '$input'
* and expected type for '$pad_length'
*/
echo "*** Testing str_pad() function: with unexpected inputs for 'input' 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
$inputs = array (
// integer values
/*1*/ 0,
1,
-2,
2147483647,
-2147483648,
// float values
/*6*/ 10.5,
-20.5,
10.1234567e10,
// array values
/*9*/ array(),
array(0),
array(1, 2),
// boolean values
/*12*/ true,
false,
TRUE,
FALSE,
// null vlaues
/*16*/ NULL,
null,
// objects
/*18*/ new sample(),
// resource
/*19*/ $file_handle,
// undefined variable
/*20*/ @$undefined_var,
// unset variable
/*21*/ @$unset_var
);
//defining '$pad_length' argument
$pad_length = "20";
// loop through with each element of the $inputs array to test str_pad() function
$count = 1;
foreach($inputs as $input) {
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 'input' argument ***
-- Iteration 1 --
string(20) "0 "
-- Iteration 2 --
string(20) "1 "
-- Iteration 3 --
string(20) "-2 "
-- Iteration 4 --
string(20) "2147483647 "
-- Iteration 5 --
string(20) "-2147483648 "
-- Iteration 6 --
string(20) "10.5 "
-- Iteration 7 --
string(20) "-20.5 "
-- Iteration 8 --
string(20) "101234567000 "
-- Iteration 9 --
Warning: str_pad() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 10 --
Warning: str_pad() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 11 --
Warning: str_pad() expects parameter 1 to be string, array given in %s on line %d
NULL
-- Iteration 12 --
string(20) "1 "
-- Iteration 13 --
string(20) " "
-- Iteration 14 --
string(20) "1 "
-- Iteration 15 --
string(20) " "
-- Iteration 16 --
string(20) " "
-- Iteration 17 --
string(20) " "
-- Iteration 18 --
string(20) "sample object "
-- Iteration 19 --
Warning: str_pad() expects parameter 1 to be string, resource given in %s on line %d
NULL
-- Iteration 20 --
string(20) " "
-- Iteration 21 --
string(20) " "
===DONE===
|
