--TEST--
Test strtoupper() function
--FILE--
<?php
echo "*** Testing strtoupper() with 256 chars ***\n";
for ($i=0; $i<=255; $i++){
  $char = chr($i);
  print(bin2hex($char))." => ".(bin2hex(strtoupper("$char")))."\n";
}

echo "\n*** Testing strtoupper() with basic strings ***\n";
$str = "Mary Had A liTTle LAmb and ShE loveD IT So\n";
var_dump(strtoupper($str));

echo "\n*** Testing strtoupper() with various strings ***";
/* strings to pass strtoupper() */
$strings = array (
  "",
  "string",
  "stRINg0234",
  "1.233.344StrinG12333",
  "$$$$$$!!!!@@@@@@@ ABCDEF !!!***",
  "ABCD\0abcdABCD",
  TRUE,
  FALSE,
  /* Check for off-by-one errors in the SSE implementation */
  "aaaaaaaaaaaaaaaaaaaa",
  "zzzzzzzzzzzzzzzzzzzz",
  "````````````````````",
  "{{{{{{{{{{{{{{{{{{{{",
);

$count = 0;
/* loop through to check possible variations */
foreach ($strings as $string) {
  echo "\n-- Iteration $count --\n";
  var_dump( strtoupper($string) );
  $count++;
}

echo "\n*** Testing strtoupper() with two different case strings ***\n";
if (strtoupper("HeLLo woRLd") === strtoupper("hEllo WORLD"))
  echo "strings are same, with Case Insensitive\n";
else
  echo "strings are not same\n";

echo "*** Done ***";
?>
--EXPECTF--
*** Testing strtoupper() with 256 chars ***
00 => 00
01 => 01
02 => 02
03 => 03
04 => 04
05 => 05
06 => 06
07 => 07
08 => 08
09 => 09
0a => 0a
0b => 0b
0c => 0c
0d => 0d
0e => 0e
0f => 0f
10 => 10
11 => 11
12 => 12
13 => 13
14 => 14
15 => 15
16 => 16
17 => 17
18 => 18
19 => 19
1a => 1a
1b => 1b
1c => 1c
1d => 1d
1e => 1e
1f => 1f
20 => 20
21 => 21
22 => 22
23 => 23
24 => 24
25 => 25
26 => 26
27 => 27
28 => 28
29 => 29
2a => 2a
2b => 2b
2c => 2c
2d => 2d
2e => 2e
2f => 2f
30 => 30
31 => 31
32 => 32
33 => 33
34 => 34
35 => 35
36 => 36
37 => 37
38 => 38
39 => 39
3a => 3a
3b => 3b
3c => 3c
3d => 3d
3e => 3e
3f => 3f
40 => 40
41 => 41
42 => 42
43 => 43
44 => 44
45 => 45
46 => 46
47 => 47
48 => 48
49 => 49
4a => 4a
4b => 4b
4c => 4c
4d => 4d
4e => 4e
4f => 4f
50 => 50
51 => 51
52 => 52
53 => 53
54 => 54
55 => 55
56 => 56
57 => 57
58 => 58
59 => 59
5a => 5a
5b => 5b
5c => 5c
5d => 5d
5e => 5e
5f => 5f
60 => 60
61 => 41
62 => 42
63 => 43
64 => 44
65 => 45
66 => 46
67 => 47
68 => 48
69 => 49
6a => 4a
6b => 4b
6c => 4c
6d => 4d
6e => 4e
6f => 4f
70 => 50
71 => 51
72 => 52
73 => 53
74 => 54
75 => 55
76 => 56
77 => 57
78 => 58
79 => 59
7a => 5a
7b => 7b
7c => 7c
7d => 7d
7e => 7e
7f => 7f
80 => 80
81 => 81
82 => 82
83 => 83
84 => 84
85 => 85
86 => 86
87 => 87
88 => 88
89 => 89
8a => 8a
8b => 8b
8c => 8c
8d => 8d
8e => 8e
8f => 8f
90 => 90
91 => 91
92 => 92
93 => 93
94 => 94
95 => 95
96 => 96
97 => 97
98 => 98
99 => 99
9a => 9a
9b => 9b
9c => 9c
9d => 9d
9e => 9e
9f => 9f
a0 => a0
a1 => a1
a2 => a2
a3 => a3
a4 => a4
a5 => a5
a6 => a6
a7 => a7
a8 => a8
a9 => a9
aa => aa
ab => ab
ac => ac
ad => ad
ae => ae
af => af
b0 => b0
b1 => b1
b2 => b2
b3 => b3
b4 => b4
b5 => b5
b6 => b6
b7 => b7
b8 => b8
b9 => b9
ba => ba
bb => bb
bc => bc
bd => bd
be => be
bf => bf
c0 => c0
c1 => c1
c2 => c2
c3 => c3
c4 => c4
c5 => c5
c6 => c6
c7 => c7
c8 => c8
c9 => c9
ca => ca
cb => cb
cc => cc
cd => cd
ce => ce
cf => cf
d0 => d0
d1 => d1
d2 => d2
d3 => d3
d4 => d4
d5 => d5
d6 => d6
d7 => d7
d8 => d8
d9 => d9
da => da
db => db
dc => dc
dd => dd
de => de
df => df
e0 => e0
e1 => e1
e2 => e2
e3 => e3
e4 => e4
e5 => e5
e6 => e6
e7 => e7
e8 => e8
e9 => e9
ea => ea
eb => eb
ec => ec
ed => ed
ee => ee
ef => ef
f0 => f0
f1 => f1
f2 => f2
f3 => f3
f4 => f4
f5 => f5
f6 => f6
f7 => f7
f8 => f8
f9 => f9
fa => fa
fb => fb
fc => fc
fd => fd
fe => fe
ff => ff

*** Testing strtoupper() with basic strings ***
string(43) "MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
"

*** Testing strtoupper() with various strings ***
-- Iteration 0 --
string(0) ""

-- Iteration 1 --
string(6) "STRING"

-- Iteration 2 --
string(10) "STRING0234"

-- Iteration 3 --
string(20) "1.233.344STRING12333"

-- Iteration 4 --
string(31) "$$$$$$!!!!@@@@@@@ ABCDEF !!!***"

-- Iteration 5 --
string(13) "ABCD%0ABCDABCD"

-- Iteration 6 --
string(1) "1"

-- Iteration 7 --
string(0) ""

-- Iteration 8 --
string(20) "AAAAAAAAAAAAAAAAAAAA"

-- Iteration 9 --
string(20) "ZZZZZZZZZZZZZZZZZZZZ"

-- Iteration 10 --
string(20) "````````````````````"

-- Iteration 11 --
string(20) "{{{{{{{{{{{{{{{{{{{{"

*** Testing strtoupper() with two different case strings ***
strings are same, with Case Insensitive
*** Done ***