#!./perl
chdir 't';
}
$a = "HELLO.* world";
$b = "hello.* WORLD";
is("\Q$a\E." , "HELLO\\.\\*\\ world.", '\Q\E HELLO.* world');
is("\u$a" , "HELLO\.\* world", '\u');
is("\l$a" , "hELLO\.\* world", '\l');
is("\U$a" , "HELLO\.\* WORLD", '\U');
is("\L$a" , "hello\.\* world", '\L');
is(quotemeta($a) , "HELLO\\.\\*\\ world", 'quotemeta');
is(ucfirst($a) , "HELLO\.\* world", 'ucfirst');
is(lcfirst($a) , "hELLO\.\* world", 'lcfirst');
is(uc($a) , "HELLO\.\* WORLD", 'uc');
is(lc($a) , "hello\.\* world", 'lc');
is("\Q$b\E." , "hello\\.\\*\\ WORLD.", '\Q\E hello.* WORLD');
is("\u$b" , "Hello\.\* WORLD", '\u');
is("\l$b" , "hello\.\* WORLD", '\l');
is("\U$b" , "HELLO\.\* WORLD", '\U');
is("\L$b" , "hello\.\* world", '\L');
is(quotemeta($b) , "hello\\.\\*\\ WORLD", 'quotemeta');
is(ucfirst($b) , "Hello\.\* WORLD", 'ucfirst');
is(lcfirst($b) , "hello\.\* WORLD", 'lcfirst');
is(uc($b) , "HELLO\.\* WORLD", 'uc');
is(lc($b) , "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";
$b = "\x{101}\x{100}aA";
is("\Q$a\E." , "\x{100}\x{101}Aa.", '\Q\E \x{100}\x{101}Aa');
is("\u$a" , "\x{100}\x{101}Aa", '\u');
is("\l$a" , "\x{101}\x{101}Aa", '\l');
is("\U$a" , "\x{100}\x{100}AA", '\U');
is("\L$a" , "\x{101}\x{101}aa", '\L');
is(ucfirst($a) , "\x{100}\x{101}Aa", 'ucfirst');
is(lcfirst($a) , "\x{101}\x{101}Aa", 'lcfirst');
is(uc($a) , "\x{100}\x{100}AA", 'uc');
is(lc($a) , "\x{101}\x{101}aa", 'lc');
is("\Q$b\E." , "\x{101}\x{100}aA.", '\Q\E \x{101}\x{100}aA');
is("\u$b" , "\x{100}\x{100}aA", '\u');
is("\l$b" , "\x{101}\x{100}aA", '\l');
is("\U$b" , "\x{100}\x{100}AA", '\U');
is("\L$b" , "\x{101}\x{101}aa", '\L');
is(ucfirst($b) , "\x{100}\x{100}aA", 'ucfirst');
is(lcfirst($b) , "\x{101}\x{100}aA", 'lcfirst');
is(uc($b) , "\x{100}\x{100}AA", 'uc');
is(lc($b) , "\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.
# In EBCDIC \x{DF} is LATIN SMALL LETTER Y WITH DIAERESIS,
# and it's uppercase is \x{178}, LATIN CAPITAL LETTER Y WITH DIAERESIS.
if (ord("A") == 193) { # EBCDIC is("\U\x{DF}aB\x{149}cD" , "\x{178}AB\x{2BC}NCD", "multicharacter uppercase");
} elsif (ord("A") == 65) { is("\U\x{DF}aB\x{149}cD" , "SSAB\x{2BC}NCD", "multicharacter uppercase");
} else {
fail("what is your encoding?"); }
# The \x{DF} is its own lowercase, ditto for \x{149}.
# There are no single character -> multiple characters lowercase mappings.
if (ord("A") == 193) { # EBCDIC is("\LaB\x{149}cD" , "ab\x{149}cd", "multicharacter lowercase");
} elsif (ord("A") == 65) { is("\L\x{DF}aB\x{149}cD" , "\x{DF}ab\x{149}cd", "multicharacter lowercase");
} else {
fail("what is your encoding?"); }
# 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}";
is("\L\x{587}" , "\x{587}", "ligature lowercase");
is("\u\x{587}" , "\x{535}\x{582}", "ligature titlecase");
is("\U\x{587}" , "\x{535}\x{552}", "ligature uppercase");
# mktables had problems where many-to-one case mappings didn't work right.
# The lib/unifold.t should give the fourth folding, "casefolding", a good # workout.
# \x{01C4} is LATIN CAPITAL LETTER DZ WITH CARON
# \x{01C5} is LATIN CAPITAL LETTER D WITH SMALL LETTER Z WITH CARON
# \x{01C6} is LATIN SMALL LETTER DZ WITH CARON
# \x{03A3} is GREEK CAPITAL LETTER SIGMA
# \x{03C2} is GREEK SMALL LETTER FINAL SIGMA
# \x{03C3} is GREEK SMALL LETTER SIGMA
is(lc("\x{1C4}") , "\x{1C6}", "U+01C4 lc is U+01C6");
is(lc("\x{1C5}") , "\x{1C6}", "U+01C5 lc is U+01C6, too");
is(ucfirst("\x{3C2}") , "\x{3A3}", "U+03C2 ucfirst is U+03A3");
is(ucfirst("\x{3C3}") , "\x{3A3}", "U+03C3 ucfirst is U+03A3, too");
is(uc("\x{1C5}") , "\x{1C4}", "U+01C5 uc is U+01C4");
is(uc("\x{1C6}") , "\x{1C4}", "U+01C6 uc is U+01C4, too");
# #18107: A host of bugs involving [ul]c{,first}. AMS 20021106
$a =
"\x{3c3}foo.bar";
# \x{3c3} == GREEK SMALL LETTER SIGMA.$b =
"\x{3a3}FOO.BAR";
# \x{3a3} == GREEK CAPITAL LETTER SIGMA.
($c = $b) =~ s/
(\w+)/
lc($1)/
ge;
is($c , $a, "Using s///e to change case.");
($c = $a) =~ s/
(\w+)/
uc($1)/
ge;
is($c , $b, "Using s///e to change case.");
is($c , "\x{3c3}FOO.bAR", "Using s///e to change case.");
is($c , "\x{3a3}foo.Bar", "Using s///e to change case.");
# #18931: perl5.8.0 bug in \U..\E processing
# Test case from Nick Clark.
for my $a (0,1) {
$_ = 'abcdefgh';
/(.*)/;
is(uc($1), "ABCDEFGH", "[perl #18931]"); }
{
foreach (0, 1) {
$a =~ s/^(\s*)(\w*)/$1\u$2/;
is($a, v10, "[perl #18857]"); }
}