1#!./perl
2
3BEGIN {
4    chdir 't';
5    @INC = '../lib';
6    require './test.pl';
7}
8
9plan tests => 59;
10
11$a = "HELLO.* world";
12$b = "hello.* WORLD";
13
14is("\Q$a\E."      , "HELLO\\.\\*\\ world.", '\Q\E HELLO.* world');
15is("\u$a"         , "HELLO\.\* world",      '\u');
16is("\l$a"         , "hELLO\.\* world",      '\l');
17is("\U$a"         , "HELLO\.\* WORLD",      '\U');
18is("\L$a"         , "hello\.\* world",      '\L');
19
20is(quotemeta($a)  , "HELLO\\.\\*\\ world",  'quotemeta');
21is(ucfirst($a)    , "HELLO\.\* world",      'ucfirst');
22is(lcfirst($a)    , "hELLO\.\* world",      'lcfirst');
23is(uc($a)         , "HELLO\.\* WORLD",      'uc');
24is(lc($a)         , "hello\.\* world",      'lc');
25
26is("\Q$b\E."      , "hello\\.\\*\\ WORLD.", '\Q\E hello.* WORLD');
27is("\u$b"         , "Hello\.\* WORLD",      '\u');
28is("\l$b"         , "hello\.\* WORLD",      '\l');
29is("\U$b"         , "HELLO\.\* WORLD",      '\U');
30is("\L$b"         , "hello\.\* world",      '\L');
31
32is(quotemeta($b)  , "hello\\.\\*\\ WORLD",  'quotemeta');
33is(ucfirst($b)    , "Hello\.\* WORLD",      'ucfirst');
34is(lcfirst($b)    , "hello\.\* WORLD",      'lcfirst');
35is(uc($b)         , "HELLO\.\* WORLD",      'uc');
36is(lc($b)         , "hello\.\* world",      'lc');
37
38# \x{100} is LATIN CAPITAL LETTER A WITH MACRON; its bijective lowercase is
39# \x{101}, LATIN SMALL LETTER A WITH MACRON.
40
41$a = "\x{100}\x{101}Aa";
42$b = "\x{101}\x{100}aA";
43
44is("\Q$a\E."      , "\x{100}\x{101}Aa.", '\Q\E \x{100}\x{101}Aa');
45is("\u$a"         , "\x{100}\x{101}Aa",  '\u');
46is("\l$a"         , "\x{101}\x{101}Aa",  '\l');
47is("\U$a"         , "\x{100}\x{100}AA",  '\U');
48is("\L$a"         , "\x{101}\x{101}aa",  '\L');
49
50is(quotemeta($a)  , "\x{100}\x{101}Aa",  'quotemeta');
51is(ucfirst($a)    , "\x{100}\x{101}Aa",  'ucfirst');
52is(lcfirst($a)    , "\x{101}\x{101}Aa",  'lcfirst');
53is(uc($a)         , "\x{100}\x{100}AA",  'uc');
54is(lc($a)         , "\x{101}\x{101}aa",  'lc');
55
56is("\Q$b\E."      , "\x{101}\x{100}aA.", '\Q\E \x{101}\x{100}aA');
57is("\u$b"         , "\x{100}\x{100}aA",  '\u');
58is("\l$b"         , "\x{101}\x{100}aA",  '\l');
59is("\U$b"         , "\x{100}\x{100}AA",  '\U');
60is("\L$b"         , "\x{101}\x{101}aa",  '\L');
61
62is(quotemeta($b)  , "\x{101}\x{100}aA",  'quotemeta');
63is(ucfirst($b)    , "\x{100}\x{100}aA",  'ucfirst');
64is(lcfirst($b)    , "\x{101}\x{100}aA",  'lcfirst');
65is(uc($b)         , "\x{100}\x{100}AA",  'uc');
66is(lc($b)         , "\x{101}\x{101}aa",  'lc');
67
68# \x{DF} is LATIN SMALL LETTER SHARP S, its uppercase is SS or \x{53}\x{53};
69# \x{149} is LATIN SMALL LETTER N PRECEDED BY APOSTROPHE, its uppercase is
70# \x{2BC}\x{E4} or MODIFIER LETTER APOSTROPHE and N.
71
72# In EBCDIC \x{DF} is LATIN SMALL LETTER Y WITH DIAERESIS,
73# and it's uppercase is \x{178}, LATIN CAPITAL LETTER Y WITH DIAERESIS.
74
75if (ord("A") == 193) { # EBCDIC
76    is("\U\x{DF}aB\x{149}cD" , "\x{178}AB\x{2BC}NCD",
77       "multicharacter uppercase");
78} elsif (ord("A") == 65) {
79    is("\U\x{DF}aB\x{149}cD" , "SSAB\x{2BC}NCD",
80       "multicharacter uppercase");
81} else {
82    fail("what is your encoding?");
83}
84
85# The \x{DF} is its own lowercase, ditto for \x{149}.
86# There are no single character -> multiple characters lowercase mappings.
87
88if (ord("A") == 193) { # EBCDIC
89    is("\LaB\x{149}cD" , "ab\x{149}cd",
90       "multicharacter lowercase");
91} elsif (ord("A") == 65) {
92    is("\L\x{DF}aB\x{149}cD" , "\x{DF}ab\x{149}cd",
93       "multicharacter lowercase");
94} else {
95    fail("what is your encoding?");
96}
97
98# titlecase is used for \u / ucfirst.
99
100# \x{587} is ARMENIAN SMALL LIGATURE ECH YIWN and its titlecase is
101# \x{535}\x{582} ARMENIAN CAPITAL LETTER ECH + ARMENIAN SMALL LETTER YIWN
102# while its lowercase is 
103# \x{587} itself
104# and its uppercase is
105# \x{535}\x{552} ARMENIAN CAPITAL LETTER ECH + ARMENIAN CAPITAL LETTER YIWN
106
107$a = "\x{587}";
108
109is("\L\x{587}" , "\x{587}",        "ligature lowercase");
110is("\u\x{587}" , "\x{535}\x{582}", "ligature titlecase");
111is("\U\x{587}" , "\x{535}\x{552}", "ligature uppercase");
112
113# mktables had problems where many-to-one case mappings didn't work right.
114# The lib/unifold.t should give the fourth folding, "casefolding", a good
115# workout. 
116# \x{01C4} is LATIN CAPITAL LETTER DZ WITH CARON
117# \x{01C5} is LATIN CAPITAL LETTER D WITH SMALL LETTER Z WITH CARON
118# \x{01C6} is LATIN SMALL LETTER DZ WITH CARON
119# \x{03A3} is GREEK CAPITAL LETTER SIGMA
120# \x{03C2} is GREEK SMALL LETTER FINAL SIGMA
121# \x{03C3} is GREEK SMALL LETTER SIGMA
122
123is(lc("\x{1C4}") , "\x{1C6}",      "U+01C4 lc is U+01C6");
124is(lc("\x{1C5}") , "\x{1C6}",      "U+01C5 lc is U+01C6, too");
125
126is(ucfirst("\x{3C2}") , "\x{3A3}", "U+03C2 ucfirst is U+03A3");
127is(ucfirst("\x{3C3}") , "\x{3A3}", "U+03C3 ucfirst is U+03A3, too");
128
129is(uc("\x{1C5}") , "\x{1C4}",      "U+01C5 uc is U+01C4");
130is(uc("\x{1C6}") , "\x{1C4}",      "U+01C6 uc is U+01C4, too");
131
132# #18107: A host of bugs involving [ul]c{,first}. AMS 20021106
133$a = "\x{3c3}foo.bar"; # \x{3c3} == GREEK SMALL LETTER SIGMA.
134$b = "\x{3a3}FOO.BAR"; # \x{3a3} == GREEK CAPITAL LETTER SIGMA.
135
136($c = $b) =~ s/(\w+)/lc($1)/ge;
137is($c , $a, "Using s///e to change case.");
138
139($c = $a) =~ s/(\w+)/uc($1)/ge;
140is($c , $b, "Using s///e to change case.");
141
142($c = $b) =~ s/(\w+)/lcfirst($1)/ge;
143is($c , "\x{3c3}FOO.bAR", "Using s///e to change case.");
144
145($c = $a) =~ s/(\w+)/ucfirst($1)/ge;
146is($c , "\x{3a3}foo.Bar", "Using s///e to change case.");
147
148# #18931: perl5.8.0 bug in \U..\E processing
149# Test case from Nick Clark.
150for my $a (0,1) {
151    $_ = 'abcdefgh';
152    $_ .= chr 256;
153    chop;
154    /(.*)/;
155    is(uc($1), "ABCDEFGH", "[perl #18931]");
156}
157
158{
159    foreach (0, 1) {
160	$a = v10.v257;
161	chop $a;
162	$a =~ s/^(\s*)(\w*)/$1\u$2/;
163	is($a, v10, "[perl #18857]");
164	$test++;
165    } 
166}
167