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#!./perl
BEGIN {
chdir 't';
@INC = '../lib';
require './test.pl';
}
plan tests => 93;
is(lc(undef), "", "lc(undef) is ''");
is(lcfirst(undef), "", "lcfirst(undef) is ''");
is(uc(undef), "", "uc(undef) is ''");
is(ucfirst(undef), "", "ucfirst(undef) is ''");
$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(quotemeta($a) , "\x{100}\x{101}Aa", 'quotemeta');
is(ucfirst($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(quotemeta($b) , "\x{101}\x{100}aA", 'quotemeta');
is(ucfirst($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/uni/fold.t should give the fourth folding, "casefolding", a good
# workout (one cannot directly get that from Perl).
# \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 , $b, "Using s///e to change case.");
($c = $b) =~ s/(\w+)/lcfirst($1)/ge;
is($c , "\x{3c3}FOO.bAR", "Using s///e to change case.");
($c = $a) =~ s/(\w+)/ucfirst($1)/ge;
is($c , "\x{3a3}foo.Bar", "Using s///e to change case.");
# #18931: perl5.8.0 bug in \U..\E processing
# Test case from Nicholas Clark.
for my $a (0,1) {
$_ = 'abcdefgh';
$_ .= chr 256;
chop;
/(.*)/;
is(uc($1), "ABCDEFGH", "[perl #18931]");
}
{
foreach (0, 1) {
$a = v10.v257;
chop $a;
$a =~ s/^(\s*)(\w*)/$1\u$2/;
is($a, v10, "[perl #18857]");
}
}
# [perl #38619] Bug in lc and uc (interaction between UTF-8, substr, and lc/uc)
for ("a\x{100}", "xyz\x{100}") {
is(substr(uc($_), 0), uc($_), "[perl #38619] uc");
}
for ("A\x{100}", "XYZ\x{100}") {
is(substr(lc($_), 0), lc($_), "[perl #38619] lc");
}
for ("a\x{100}", "yz\x{100}") { # to Ss (different length)
is(substr(ucfirst($_), 0), ucfirst($_), "[perl #38619] ucfirst");
}
# Related to [perl #38619]
# the original report concerns PERL_MAGIC_utf8.
# these cases concern PERL_MAGIC_regex_global.
for (map { $_ } "a\x{100}", "abc\x{100}", "\x{100}") {
chop; # get ("a", "abc", "") in utf8
my $return = uc($_) =~ /\G(.?)/g;
my $result = $return ? $1 : "not";
my $expect = (uc($_) =~ /(.?)/g)[0];
is($return, 1, "[perl #38619]");
is($result, $expect, "[perl #38619]");
}
for (map { $_ } "A\x{100}", "ABC\x{100}", "\x{100}") {
chop; # get ("A", "ABC", "") in utf8
my $return = lc($_) =~ /\G(.?)/g;
my $result = $return ? $1 : "not";
my $expect = (lc($_) =~ /(.?)/g)[0];
is($return, 1, "[perl #38619]");
is($result, $expect, "[perl #38619]");
}
for (1, 4, 9, 16, 25) {
is(uc "\x{03B0}" x $_, "\x{3a5}\x{308}\x{301}" x $_,
'uc U+03B0 grows threefold');
is(lc "\x{0130}" x $_, "i\x{307}" x $_, 'lc U+0130 grows');
}
# bug #43207
my $temp = "Hello";
for ("$temp") {
lc $_;
is($_, "Hello");
}
# new in Unicode 5.1.0
is(lc("\x{1E9E}"), "\x{df}", "lc(LATIN CAPITAL LETTER SHARP S)");
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