#!./perl
-print "1..40\n";
+print "1..45\n";
+
+my $test = 1;
+
+sub ok {
+ if ($_[0]) {
+ if ($_[1]) {
+ print "ok $test - $_[1]\n";
+ } else {
+ print "ok $test\n";
+ }
+ } else {
+ if ($_[1]) {
+ print "not ok $test - $_[1]\n";
+ } else {
+ print "not ok $test\n";
+ }
+ }
+ $test++;
+}
$a = "HELLO.* world";
$b = "hello.* WORLD";
-print "ok 1\n" if "\Q$a\E." eq "HELLO\\.\\*\\ world.";
-print "ok 2\n" if "\u$a" eq "HELLO\.\* world";
-print "ok 3\n" if "\l$a" eq "hELLO\.\* world";
-print "ok 4\n" if "\U$a" eq "HELLO\.\* WORLD";
-print "ok 5\n" if "\L$a" eq "hello\.\* world";
-
-print "ok 6\n" if quotemeta($a) eq "HELLO\\.\\*\\ world";
-print "ok 7\n" if ucfirst($a) eq "HELLO\.\* world";
-print "ok 8\n" if lcfirst($a) eq "hELLO\.\* world";
-print "ok 9\n" if uc($a) eq "HELLO\.\* WORLD";
-print "ok 10\n" if lc($a) eq "hello\.\* world";
-
-print "ok 11\n" if "\Q$b\E." eq "hello\\.\\*\\ WORLD.";
-print "ok 12\n" if "\u$b" eq "Hello\.\* WORLD";
-print "ok 13\n" if "\l$b" eq "hello\.\* WORLD";
-print "ok 14\n" if "\U$b" eq "HELLO\.\* WORLD";
-print "ok 15\n" if "\L$b" eq "hello\.\* world";
-
-print "ok 16\n" if quotemeta($b) eq "hello\\.\\*\\ WORLD";
-print "ok 17\n" if ucfirst($b) eq "Hello\.\* WORLD";
-print "ok 18\n" if lcfirst($b) eq "hello\.\* WORLD";
-print "ok 19\n" if uc($b) eq "HELLO\.\* WORLD";
-print "ok 20\n" if lc($b) eq "hello\.\* world";
-
-$a = "\x{100}\x{101}\x{41}\x{61}";
-$b = "\x{101}\x{100}\x{61}\x{41}";
-
-print "ok 21\n" if "\Q$a\E." eq "\x{100}\x{101}\x{41}\x{61}.";
-print "ok 22\n" if "\u$a" eq "\x{100}\x{101}\x{41}\x{61}";
-print "ok 23\n" if "\l$a" eq "\x{101}\x{101}\x{41}\x{61}";
-print "ok 24\n" if "\U$a" eq "\x{100}\x{100}\x{41}\x{41}";
-print "ok 25\n" if "\L$a" eq "\x{101}\x{101}\x{61}\x{61}";
-
-print "ok 26\n" if quotemeta($a) eq "\x{100}\x{101}\x{41}\x{61}";
-print "ok 27\n" if ucfirst($a) eq "\x{100}\x{101}\x{41}\x{61}";
-print "ok 28\n" if lcfirst($a) eq "\x{101}\x{101}\x{41}\x{61}";
-print "ok 29\n" if uc($a) eq "\x{100}\x{100}\x{41}\x{41}";
-print "ok 30\n" if lc($a) eq "\x{101}\x{101}\x{61}\x{61}";
-
-print "ok 31\n" if "\Q$b\E." eq "\x{101}\x{100}\x{61}\x{41}.";
-print "ok 32\n" if "\u$b" eq "\x{100}\x{100}\x{61}\x{41}";
-print "ok 33\n" if "\l$b" eq "\x{101}\x{100}\x{61}\x{41}";
-print "ok 34\n" if "\U$b" eq "\x{100}\x{100}\x{41}\x{41}";
-print "ok 35\n" if "\L$b" eq "\x{101}\x{101}\x{61}\x{61}";
-
-print "ok 36\n" if quotemeta($b) eq "\x{101}\x{100}\x{61}\x{41}";
-print "ok 37\n" if ucfirst($b) eq "\x{100}\x{100}\x{61}\x{41}";
-print "ok 38\n" if lcfirst($b) eq "\x{101}\x{100}\x{61}\x{41}";
-print "ok 39\n" if uc($b) eq "\x{100}\x{100}\x{41}\x{41}";
-print "ok 40\n" if lc($b) eq "\x{101}\x{101}\x{61}\x{61}";
+ok("\Q$a\E." eq "HELLO\\.\\*\\ world.", '\Q\E HELLO.* world');
+ok("\u$a" eq "HELLO\.\* world", '\u');
+ok("\l$a" eq "hELLO\.\* world", '\l');
+ok("\U$a" eq "HELLO\.\* WORLD", '\U');
+ok("\L$a" eq "hello\.\* world", '\L');
+
+ok(quotemeta($a) eq "HELLO\\.\\*\\ world", 'quotemeta');
+ok(ucfirst($a) eq "HELLO\.\* world", 'ucfirst');
+ok(lcfirst($a) eq "hELLO\.\* world", 'lcfirst');
+ok(uc($a) eq "HELLO\.\* WORLD", 'uc');
+ok(lc($a) eq "hello\.\* world", 'lc');
+
+ok("\Q$b\E." eq "hello\\.\\*\\ WORLD.", '\Q\E hello.* WORLD');
+ok("\u$b" eq "Hello\.\* WORLD", '\u');
+ok("\l$b" eq "hello\.\* WORLD", '\l');
+ok("\U$b" eq "HELLO\.\* WORLD", '\U');
+ok("\L$b" eq "hello\.\* world", '\L');
+
+ok(quotemeta($b) eq "hello\\.\\*\\ WORLD", 'quotemeta');
+ok(ucfirst($b) eq "Hello\.\* WORLD", 'ucfirst');
+ok(lcfirst($b) eq "hello\.\* WORLD", 'lcfirst');
+ok(uc($b) eq "HELLO\.\* WORLD", 'uc');
+ok(lc($b) eq "hello\.\* world", 'lc');
+
+# \x{100} is LATIN CAPITAL LETTER A WITH MACRON; its bijective lowercase is
+# \x{101}, LATIN SMALL LETTER A WITH MACRON.
+
+$a = "\x{100}\x{101}Aa";
+$b = "\x{101}\x{100}aA";
+
+ok("\Q$a\E." eq "\x{100}\x{101}Aa.", '\Q\E \x{100}\x{101}Aa');
+ok("\u$a" eq "\x{100}\x{101}Aa", '\u');
+ok("\l$a" eq "\x{101}\x{101}Aa", '\l');
+ok("\U$a" eq "\x{100}\x{100}AA", '\U');
+ok("\L$a" eq "\x{101}\x{101}aa", '\L');
+
+ok(quotemeta($a) eq "\x{100}\x{101}Aa", 'quotemeta');
+ok(ucfirst($a) eq "\x{100}\x{101}Aa", 'ucfirst');
+ok(lcfirst($a) eq "\x{101}\x{101}Aa", 'lcfirst');
+ok(uc($a) eq "\x{100}\x{100}AA", 'uc');
+ok(lc($a) eq "\x{101}\x{101}aa", 'lc');
+
+ok("\Q$b\E." eq "\x{101}\x{100}aA.", '\Q\E \x{101}\x{100}aA');
+ok("\u$b" eq "\x{100}\x{100}aA", '\u');
+ok("\l$b" eq "\x{101}\x{100}aA", '\l');
+ok("\U$b" eq "\x{100}\x{100}AA", '\U');
+ok("\L$b" eq "\x{101}\x{101}aa", '\L');
+
+ok(quotemeta($b) eq "\x{101}\x{100}aA", 'quotemeta');
+ok(ucfirst($b) eq "\x{100}\x{100}aA", 'ucfirst');
+ok(lcfirst($b) eq "\x{101}\x{100}aA", 'lcfirst');
+ok(uc($b) eq "\x{100}\x{100}AA", 'uc');
+ok(lc($b) eq "\x{101}\x{101}aa", 'lc');
+
+# \x{DF} is LATIN SMALL LETTER SHARP S, its uppercase is SS or \x{53}\x{53};
+# \x{149} is LATIN SMALL LETTER N PRECEDED BY APOSTROPHE, its uppercase is
+# \x{2BC}\x{E4} or MODIFIER LETTER APOSTROPHE and N.
+
+ok("\U\x{DF}ab\x{149}cd" eq "SSAB\x{2BC}NCD",
+ "multicharacter uppercase");
+
+# The \x{DF} is its own lowercase, ditto for \x{149}.
+# There are no single character -> multiple characters lowercase mappings.
+
+ok("\L\x{DF}AB\x{149}CD" eq "\x{DF}ab\x{149}cd",
+ "multicharacter lowercase");
+
+# titlecase is used for \u / ucfirst.
+
+# \x{587} is ARMENIAN SMALL LIGATURE ECH YIWN and its titlecase is
+# \x{535}\x{582} ARMENIAN CAPITAL LETTER ECH + ARMENIAN SMALL LETTER YIWN
+# while its lowercase is
+# \x{587} itself
+# and its uppercase is
+# \x{535}\x{552} ARMENIAN CAPITAL LETTER ECH + ARMENIAN CAPITAL LETTER YIWN
+
+$a = "\x{587}";
+ok("\L\x{587}" eq "\x{587}", "ligature lowercase");
+ok("\u\x{587}" eq "\x{535}\x{582}", "ligature titlecase");
+ok("\U\x{587}" eq "\x{535}\x{552}", "ligature uppercase");