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Fix multicharacter titlecase (ucfirst).
[perl5.git] / t / op / lc.t
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1#!./perl
2
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3print "1..42\n";
4
5my $test = 1;
6
7sub ok {
8 if ($_[0]) {
9 if ($_[1]) {
10 print "ok $test - $_[1]\n";
11 } else {
12 print "ok $test\n";
13 }
14 } else {
15 if ($_[1]) {
16 print "not ok $test - $_[1]\n";
17 } else {
18 print "not ok $test\n";
19 }
20 }
21 $test++;
22}
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23
24$a = "HELLO.* world";
25$b = "hello.* WORLD";
26
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27ok("\Q$a\E." eq "HELLO\\.\\*\\ world.", '\Q\E HELLO.* world');
28ok("\u$a" eq "HELLO\.\* world", '\u');
29ok("\l$a" eq "hELLO\.\* world", '\l');
30ok("\U$a" eq "HELLO\.\* WORLD", '\U');
31ok("\L$a" eq "hello\.\* world", '\L');
32
33ok(quotemeta($a) eq "HELLO\\.\\*\\ world", 'quotemeta');
34ok(ucfirst($a) eq "HELLO\.\* world", 'ucfirst');
35ok(lcfirst($a) eq "hELLO\.\* world", 'lcfirst');
36ok(uc($a) eq "HELLO\.\* WORLD", 'uc');
37ok(lc($a) eq "hello\.\* world", 'lc');
38
39ok("\Q$b\E." eq "hello\\.\\*\\ WORLD.", '\Q\E hello.* WORLD');
40ok("\u$b" eq "Hello\.\* WORLD", '\u');
41ok("\l$b" eq "hello\.\* WORLD", '\l');
42ok("\U$b" eq "HELLO\.\* WORLD", '\U');
43ok("\L$b" eq "hello\.\* world", '\L');
44
45ok(quotemeta($b) eq "hello\\.\\*\\ WORLD", 'quotemeta');
46ok(ucfirst($b) eq "Hello\.\* WORLD", 'ucfirst');
47ok(lcfirst($b) eq "hello\.\* WORLD", 'lcfirst');
48ok(uc($b) eq "HELLO\.\* WORLD", 'uc');
49ok(lc($b) eq "hello\.\* world", 'lc');
50
51# \x{100} is LATIN CAPITAL LETTER A WITH MACRON; its bijective lowercase is
52# \x{100}, LATIN SMALL LETTER A WITH MACRON.
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53
54$a = "\x{100}\x{101}\x{41}\x{61}";
55$b = "\x{101}\x{100}\x{61}\x{41}";
56
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57ok("\Q$a\E." eq "\x{100}\x{101}\x{41}\x{61}.", '\Q\E \x{100}\x{101}\x{41}\x{61}');
58ok("\u$a" eq "\x{100}\x{101}\x{41}\x{61}", '\u');
59ok("\l$a" eq "\x{101}\x{101}\x{41}\x{61}", '\l');
60ok("\U$a" eq "\x{100}\x{100}\x{41}\x{41}", '\U');
61ok("\L$a" eq "\x{101}\x{101}\x{61}\x{61}", '\L');
62
63ok(quotemeta($a) eq "\x{100}\x{101}\x{41}\x{61}", 'quotemeta');
64ok(ucfirst($a) eq "\x{100}\x{101}\x{41}\x{61}", 'ucfirst');
65ok(lcfirst($a) eq "\x{101}\x{101}\x{41}\x{61}", 'lcfirst');
66ok(uc($a) eq "\x{100}\x{100}\x{41}\x{41}", 'uc');
67ok(lc($a) eq "\x{101}\x{101}\x{61}\x{61}", 'lc');
68
69ok("\Q$b\E." eq "\x{101}\x{100}\x{61}\x{41}.", '\Q\E \x{101}\x{100}\x{61}\x{41}');
70ok("\u$b" eq "\x{100}\x{100}\x{61}\x{41}", '\u');
71ok("\l$b" eq "\x{101}\x{100}\x{61}\x{41}", '\l');
72ok("\U$b" eq "\x{100}\x{100}\x{41}\x{41}", '\U');
73ok("\L$b" eq "\x{101}\x{101}\x{61}\x{61}", '\L');
74
75ok(quotemeta($b) eq "\x{101}\x{100}\x{61}\x{41}", 'quotemeta');
76ok(ucfirst($b) eq "\x{100}\x{100}\x{61}\x{41}", 'ucfirst');
77ok(lcfirst($b) eq "\x{101}\x{100}\x{61}\x{41}", 'lcfirst');
78ok(uc($b) eq "\x{100}\x{100}\x{41}\x{41}", 'uc');
79ok(lc($b) eq "\x{101}\x{101}\x{61}\x{61}", 'lc');
80
81# \x{DF} is LATIN SMALL LETTER SHARP S, its uppercase is SS or \x{53}\x{53};
82# \x{149} is LATIN SMALL LETTER N PRECEDED BY APOSTROPHE, its uppercase is
83# \x{2BC}\x{E4} or MODIFIER LETTER APOSTROPHE and N.
84
85ok("\U\x{DF}ab\x{149}cd" eq "\x{53}\x{53}AB\x{2BC}\x{4E}CD",
86 "multicharacter uppercase");
87
88# The \x{DF} is its own lowercase, ditto for \x{149}.
89# There are no single character -> multiple characters lowercase mappings.
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91ok("\L\x{DF}AB\x{149}CD" eq "\x{DF}ab\x{149}cd",
92 "multicharacter lowercase");
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94# titlecase is used for \u / ucfirst.
95
96# \x{587} is ARMENIAN SMALL LIGATURE ECH YIWN and its titlecase is
97# \x{535}\x{582} ARMENIAN CAPITAL LETTER ECH + ARMENIAN SMALL LETTER YIWN
98# while its lowercase is
99# \x{587} itself
100# and its uppercase is
101# \x{535}\x{552} ARMENIAN CAPITAL LETTER ECH + ARMENIAN CAPITAL LETTER YIWN
102
103$a = "\x{587}";
104
105ok("\L\x{587}" eq "\x{587}", "ligature lowercase");
106ok("\u\x{587}" eq "\x{535}\x{582}", "ligature titlecase");
107ok("\U\x{587}" eq "\x{535}\x{552}", "ligature uppercase");
108