-# Before `make install' is performed this script should be runnable with
-# `make test'. After `make install' it should work as `perl test.pl'
-
-#########################
BEGIN {
- if (ord("A") == 193) {
- print "1..0 # Unicode::Collate not ported to EBCDIC\n";
+ unless ("A" eq pack('U', 0x41) || "A" eq pack('U', ord("A"))) {
+ print "1..0 # Unicode::Collate " .
+ "cannot stringify a Unicode code point\n";
exit 0;
}
}
+BEGIN {
+ if ($ENV{PERL_CORE}) {
+ chdir('t') if -d 't';
+ @INC = $^O eq 'MacOS' ? qw(::lib) : qw(../lib);
+ }
+}
+
use Test;
-BEGIN { plan tests => 54 };
+BEGIN { plan tests => 194 };
use Unicode::Collate;
-ok(1); # If we made it this far, we're ok.
+
+our $IsEBCDIC = ord("A") != 0x41;
#########################
+ok(1); # If we made it this far, we're ok.
+
+my $UCA_Version = "9";
+
+ok(Unicode::Collate::UCA_Version, $UCA_Version);
+ok(Unicode::Collate->UCA_Version, $UCA_Version);
+
my $Collator = Unicode::Collate->new(
table => 'keys.txt',
normalization => undef,
ok(ref $Collator, "Unicode::Collate");
+ok($Collator->UCA_Version, $UCA_Version);
+ok($Collator->UCA_Version(), $UCA_Version);
+
ok(
join(':', $Collator->sort(
qw/ lib strict Carp ExtUtils CGI Time warnings Math overload Pod CPAN /
),
);
-my $A_acute = pack('U', 0x00C1);
-my $acute = pack('U', 0x0301);
+ok($Collator->cmp("", ""), 0);
+ok($Collator->eq("", ""));
+ok($Collator->cmp("", "perl"), -1);
-ok($Collator->cmp("A$acute", $A_acute), -1);
+##############
-ok($Collator->cmp("", ""), 0);
-ok(! $Collator->ne("", "") );
-ok( $Collator->eq("", "") );
+sub _pack_U { Unicode::Collate::pack_U(@_) }
+sub _unpack_U { Unicode::Collate::unpack_U(@_) }
-ok($Collator->cmp("", "perl"), -1);
+my $A_acute = _pack_U(0xC1);
+my $a_acute = _pack_U(0xE1);
+my $acute = _pack_U(0x0301);
+
+ok($Collator->cmp("A$acute", $A_acute), 0); # @version 3.1.1 (prev: -1)
+ok($Collator->cmp($a_acute, $A_acute), -1);
+ok($Collator->eq("A\cA$acute", $A_acute)); # UCA v9. \cA is invariant.
+
+my %old_level = $Collator->change(level => 1);
+ok($Collator->eq("A$acute", $A_acute));
+ok($Collator->eq("A", $A_acute));
+
+ok($Collator->change(level => 2)->eq($a_acute, $A_acute));
+ok($Collator->lt("A", $A_acute));
+
+ok($Collator->change(%old_level)->lt("A", $A_acute));
+ok($Collator->lt("A", $A_acute));
+ok($Collator->lt("A", $a_acute));
+ok($Collator->lt($a_acute, $A_acute));
-eval "use Unicode::Normalize";
+##############
-if(!$@){
+eval { require Unicode::Normalize };
+
+if (!$@ && !$IsEBCDIC) {
my $NFD = Unicode::Collate->new(
- table => 'keys.txt',
+ table => undef,
entry => <<'ENTRIES',
-0430 ; [.0B01.0020.0002.0430] # CYRILLIC SMALL LETTER A
-0410 ; [.0B01.0020.0008.0410] # CYRILLIC CAPITAL LETTER A
-04D3 ; [.0B09.0020.0002.04D3] # CYRILLIC SMALL LETTER A WITH DIAERESIS
-0430 0308 ; [.0B09.0020.0002.04D3] # CYRILLIC SMALL LETTER A WITH DIAERESIS
-04D3 ; [.0B09.0020.0002.04D3] # CYRILLIC SMALL LETTER A WITH DIAERESIS
-0430 0308 ; [.0B09.0020.0002.04D3] # CYRILLIC SMALL LETTER A WITH DIAERESIS
-04D2 ; [.0B09.0020.0008.04D2] # CYRILLIC CAPITAL LETTER A WITH DIAERESIS
-0410 0308 ; [.0B09.0020.0008.04D2] # CYRILLIC CAPITAL LETTER A WITH DIAERESIS
-0430 3099 ; [.0B10.0020.0002.04D3] # A WITH KATAKANA VOICED
-0430 3099 0308 ; [.0B11.0020.0002.04D3] # A WITH KATAKANA VOICED, DIAERESIS
+0430 ; [.0CB5.0020.0002.0430] # CYRILLIC SMALL LETTER A
+0410 ; [.0CB5.0020.0008.0410] # CYRILLIC CAPITAL LETTER A
+04D3 ; [.0CBD.0020.0002.04D3] # CYRILLIC SMALL LETTER A WITH DIAERESIS
+0430 0308 ; [.0CBD.0020.0002.04D3] # CYRILLIC SMALL LETTER A WITH DIAERESIS
+04D2 ; [.0CBD.0020.0008.04D2] # CYRILLIC CAPITAL LETTER A WITH DIAERESIS
+0410 0308 ; [.0CBD.0020.0008.04D2] # CYRILLIC CAPITAL LETTER A WITH DIAERESIS
+0430 3099 ; [.0CBE.0020.0002.04D3] # A WITH KATAKANA VOICED
+0430 3099 0308 ; [.0CBF.0020.0002.04D3] # A WITH KATAKANA VOICED, DIAERESIS
ENTRIES
);
- ok($NFD->eq("A$acute", $A_acute));
ok($NFD->eq("\x{4D3}\x{325}", "\x{430}\x{308}\x{325}"));
ok($NFD->lt("\x{430}\x{308}A", "\x{430}\x{308}B"));
ok($NFD->lt("\x{430}\x{3099}B", "\x{430}\x{308}\x{3099}A"));
ok($NFD->eq("\x{0430}\x{3099}\x{309A}\x{0308}",
"\x{0430}\x{309A}\x{3099}\x{0308}") );
}
-else{
- ok(1);
+else {
ok(1);
ok(1);
ok(1);
ok(1);
}
-my $tr = Unicode::Collate->new(
+##############
+
+my $trad = Unicode::Collate->new(
table => 'keys.txt',
normalization => undef,
- ignoreName => qr/^(?:HANGUL|HIRAGANA|KATAKANA|BOPOMOFO)$/,
- entry => <<'ENTRIES',
-0063 0068 ; [.0893.0020.0002.0063] # "ch" in traditional Spanish
-0043 0068 ; [.0893.0020.0008.0043] # "Ch" in traditional Spanish
-00DF ; [.09F3.0154.0004.00DF] [.09F3.0020.0004.00DF] # eszet in Germany
+ ignoreName => qr/HANGUL|HIRAGANA|KATAKANA|BOPOMOFO/,
+ level => 4,
+ entry => << 'ENTRIES',
+ 0063 0068 ; [.0A3F.0020.0002.0063] % "ch" in traditional Spanish
+ 0043 0068 ; [.0A3F.0020.0008.0043] # "Ch" in traditional Spanish
ENTRIES
);
+# 0063 ; [.0A3D.0020.0002.0063] # LATIN SMALL LETTER C
+# 0064 ; [.0A49.0020.0002.0064] # LATIN SMALL LETTER D
+# Deutsch sz is included in 'keys.txt';
ok(
- join(':', $tr->sort(
- qw/ acha aca ada acia acka /
- ) ),
- join(':',
- qw/ aca acia acka acha ada /
- ),
+ join(':', $trad->sort( qw/ acha aca ada acia acka / ) ),
+ join(':', qw/ aca acia acka acha ada / ),
);
ok(
- join(':', $Collator->sort(
- qw/ acha aca ada acia acka /
- ) ),
- join(':',
- qw/ aca acha acia acka ada /
- ),
+ join(':', $Collator->sort( qw/ acha aca ada acia acka / ) ),
+ join(':', qw/ aca acha acia acka ada / ),
);
+ok($trad->eq("ocho", "oc\cAho")); # UCA v9
+ok($trad->eq("ocho", "oc\0\cA\0\cBho")); # UCA v9
-my $old_level = $Collator->{level};
my $hiragana = "\x{3042}\x{3044}";
my $katakana = "\x{30A2}\x{30A4}";
-$Collator->{level} = 2;
+# HIRAGANA and KATAKANA are ignorable via ignoreName
+ok($trad->eq($hiragana, ""));
+ok($trad->eq("", $katakana));
+ok($trad->eq($hiragana, $katakana));
+ok($trad->eq($katakana, $hiragana));
+
+##############
+
+$Collator->change(level => 2);
+
+ok($Collator->{level}, 2);
ok( $Collator->cmp("ABC","abc"), 0);
ok( $Collator->eq("ABC","abc") );
ok( $Collator->gt("a\x{D7A3}b", "a\x{C544}b") );
ok( $Collator->lt("a\x{C544}b", "a\x{30A2}b") ); # hangul < hiragana
-$Collator->{level} = $old_level;
+$Collator->change(%old_level, katakana_before_hiragana => 1);
-$Collator->{katakana_before_hiragana} = 1;
+ok($Collator->{level}, 4);
ok( $Collator->cmp("abc", "ABC"), -1);
ok( $Collator->ne("abc", "ABC") );
ok( $Collator->gt($hiragana, $katakana) );
ok( $Collator->ge($hiragana, $katakana) );
-$Collator->{upper_before_lower} = 1;
+$Collator->change(upper_before_lower => 1);
ok( $Collator->cmp("abc", "ABC"), 1);
ok( $Collator->ge("abc", "ABC"), 1);
ok( $Collator->ge($hiragana, $katakana), 1);
ok( $Collator->gt($hiragana, $katakana), 1);
-$Collator->{katakana_before_hiragana} = 0;
+$Collator->change(katakana_before_hiragana => 0);
ok( $Collator->cmp("abc", "ABC"), 1);
ok( $Collator->cmp($hiragana, $katakana), -1);
-$Collator->{upper_before_lower} = 0;
+$Collator->change(upper_before_lower => 0);
ok( $Collator->cmp("abc", "ABC"), -1);
ok( $Collator->le("abc", "ABC") );
ok( $Collator->cmp($hiragana, $katakana), -1);
ok( $Collator->lt($hiragana, $katakana) );
-my $ign = Unicode::Collate->new(
+##############
+
+my $ignoreAE = Unicode::Collate->new(
table => 'keys.txt',
normalization => undef,
- ignoreChar => qr/^[ae]$/,
+ ignoreChar => qr/^[aAeE]$/,
);
-ok( $ign->cmp("element","lament"), 0);
+ok($ignoreAE->eq("element","lament"));
+ok($ignoreAE->eq("Perl","ePrl"));
+
+##############
+
+my $onlyABC = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ entry => << 'ENTRIES',
+0061 ; [.0101.0020.0002.0061] # LATIN SMALL LETTER A
+0041 ; [.0101.0020.0008.0041] # LATIN CAPITAL LETTER A
+0062 ; [.0102.0020.0002.0062] # LATIN SMALL LETTER B
+0042 ; [.0102.0020.0008.0042] # LATIN CAPITAL LETTER B
+0063 ; [.0103.0020.0002.0063] # LATIN SMALL LETTER C
+0043 ; [.0103.0020.0008.0043] # LATIN CAPITAL LETTER C
+ENTRIES
+);
-$Collator->{level} = 2;
+ok(
+ join(':', $onlyABC->sort( qw/ ABA BAC cc A Ab cAc aB / ) ),
+ join(':', qw/ A aB Ab ABA BAC cAc cc / ),
+);
-my $str;
+##############
-my $orig = "This is a Perl book.";
-my $sub = "PERL";
-my $rep = "camel";
-my $ret = "This is a camel book.";
+my $undefAE = Unicode::Collate->new(
+ table => 'keys.txt',
+ normalization => undef,
+ undefChar => qr/^[aAeE]$/,
+);
-$str = $orig;
-if(my($pos,$len) = $Collator->index($str, $sub)){
- substr($str, $pos, $len, $rep);
-}
+ok($undefAE ->gt("edge","fog"));
+ok($Collator->lt("edge","fog"));
+ok($undefAE ->gt("lake","like"));
+ok($Collator->lt("lake","like"));
-ok($str, $ret);
+##############
-$Collator->{level} = $old_level;
+# Table is undefined, then no entry is defined.
-$str = $orig;
-if(my($pos,$len) = $Collator->index($str, $sub)){
- substr($str, $pos, $len, $rep);
-}
+my $undef_table = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ level => 1,
+);
-ok($str, $orig);
+# in the Unicode code point order
+ok($undef_table->lt('', 'A'));
+ok($undef_table->lt('ABC', 'B'));
-$tr->{level} = 1;
+# Hangul should be decomposed (even w/o Unicode::Normalize).
-$str = "Ich mu\x{00DF} studieren.";
-$sub = "m\x{00FC}ss";
-my $match = undef;
-if(my($pos, $len) = $tr->index($str, $sub)){
- $match = substr($str, $pos, $len);
-}
-ok($match, "mu\x{00DF}");
+ok($undef_table->lt("Perl", "\x{AC00}"));
+ok($undef_table->eq("\x{AC00}", "\x{1100}\x{1161}"));
+ok($undef_table->eq("\x{AE00}", "\x{1100}\x{1173}\x{11AF}"));
+ok($undef_table->lt("\x{AE00}", "\x{3042}"));
+ # U+AC00: Hangul GA
+ # U+AE00: Hangul GEUL
+ # U+3042: Hiragana A
-$tr->{level} = $old_level;
+# Weight for CJK Ideographs is defined, though.
-$str = "Ich mu\x{00DF} studieren.";
-$sub = "m\x{00FC}ss";
-$match = undef;
-if(my($pos, $len) = $tr->index($str, $sub)){
- $match = substr($str, $pos, $len);
-}
-ok($match, undef);
+ok($undef_table->lt("", "\x{4E00}"));
+ok($undef_table->lt("\x{4E8C}","ABC"));
+ok($undef_table->lt("\x{4E00}","\x{3042}"));
+ok($undef_table->lt("\x{4E00}","\x{4E8C}"));
+ # U+4E00: Ideograph "ONE"
+ # U+4E8C: Ideograph "TWO"
-$match = undef;
-if(my($pos,$len) = $Collator->index("", "")){
- $match = substr("", $pos, $len);
-}
-ok($match, "");
-$match = undef;
-if(my($pos,$len) = $Collator->index("", "abc")){
- $match = substr("", $pos, $len);
-}
-ok($match, undef);
+##############
+
+my $few_entries = Unicode::Collate->new(
+ entry => <<'ENTRIES',
+0050 ; [.0101.0020.0002.0050] # P
+0045 ; [.0102.0020.0002.0045] # E
+0052 ; [.0103.0020.0002.0052] # R
+004C ; [.0104.0020.0002.004C] # L
+1100 ; [.0105.0020.0002.1100] # Hangul Jamo initial G
+1175 ; [.0106.0020.0002.1175] # Hangul Jamo middle I
+5B57 ; [.0107.0020.0002.5B57] # CJK Ideograph "Letter"
+ENTRIES
+ table => undef,
+ normalization => undef,
+);
+
+# defined before undefined
+
+my $sortABC = join '',
+ $few_entries->sort(split //, "ABCDEFGHIJKLMNOPQRSTUVWXYZ ");
+
+ok($sortABC eq "PERL ABCDFGHIJKMNOQSTUVWXYZ");
+
+ok($few_entries->lt('E', 'D'));
+ok($few_entries->lt("\x{5B57}", "\x{4E00}"));
+ok($few_entries->lt("\x{AE30}", "\x{AC00}"));
+
+# Hangul must be decomposed.
+
+ok($few_entries->eq("\x{AC00}", "\x{1100}\x{1161}"));
+
+##############
+
+my $all_undef_8 = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ overrideCJK => undef,
+ overrideHangul => undef,
+ UCA_Version => 8,
+);
+
+# All in the Unicode code point order.
+# No hangul decomposition.
+
+ok($all_undef_8->lt("\x{3402}", "\x{4E00}"));
+ok($all_undef_8->lt("\x{4DFF}", "\x{4E00}"));
+ok($all_undef_8->lt("\x{4E00}", "\x{AC00}"));
+ok($all_undef_8->gt("\x{AC00}", "\x{1100}\x{1161}"));
+ok($all_undef_8->gt("\x{AC00}", "\x{ABFF}"));
+
+##############
+
+my $all_undef_9 = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ overrideCJK => undef,
+ overrideHangul => undef,
+ UCA_Version => 9,
+);
+
+# CJK Ideo. < CJK ext A/B < Others.
+# No hangul decomposition.
+
+ok($all_undef_9->lt("\x{4E00}", "\x{3402}"));
+ok($all_undef_9->lt("\x{3402}", "\x{20000}"));
+ok($all_undef_9->lt("\x{20000}", "\x{AC00}"));
+ok($all_undef_9->gt("\x{AC00}", "\x{1100}\x{1161}"));
+ok($all_undef_9->gt("\x{AC00}", "\x{ABFF}")); # U+ABFF: not assigned
+
+##############
+
+my $ignoreCJK = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ overrideCJK => sub {()},
+ entry => <<'ENTRIES',
+5B57 ; [.0107.0020.0002.5B57] # CJK Ideograph "Letter"
+ENTRIES
+);
+
+# All CJK Unified Ideographs except U+5B57 are ignored.
+
+ok($ignoreCJK->eq("\x{4E00}", ""));
+ok($ignoreCJK->lt("\x{4E00}", "\0"));
+ok($ignoreCJK->eq("Pe\x{4E00}rl", "Perl")); # U+4E00 is a CJK.
+ok($ignoreCJK->gt("\x{4DFF}", "\x{4E00}")); # U+4DFF is not CJK.
+ok($ignoreCJK->lt("Pe\x{5B57}rl", "Perl")); # 'r' is unassigned.
+
+##############
+
+my $ignoreHangul = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ overrideHangul => sub {()},
+ entry => <<'ENTRIES',
+AE00 ; [.0100.0020.0002.AE00] # Hangul GEUL
+ENTRIES
+);
+
+# All Hangul Syllables except U+AE00 are ignored.
+
+ok($ignoreHangul->eq("\x{AC00}", ""));
+ok($ignoreHangul->lt("\x{AC00}", "\0"));
+ok($ignoreHangul->lt("\x{AC00}", "\x{AE00}"));
+ok($ignoreHangul->lt("\x{AC00}", "\x{1100}\x{1161}")); # Jamo are not ignored.
+ok($ignoreHangul->lt("Pe\x{AE00}rl", "Perl")); # 'r' is unassigned.
+
+##############
+
+my %origAlter = $Collator->change(alternate => 'Blanked');
+
+ok($Collator->lt("death", "de luge"));
+ok($Collator->lt("de luge", "de-luge"));
+ok($Collator->lt("de-luge", "deluge"));
+ok($Collator->lt("deluge", "de\x{2010}luge"));
+ok($Collator->lt("deluge", "de Luge"));
+
+$Collator->change(alternate => 'Non-ignorable');
+
+ok($Collator->lt("de luge", "de Luge"));
+ok($Collator->lt("de Luge", "de-luge"));
+ok($Collator->lt("de-Luge", "de\x{2010}luge"));
+ok($Collator->lt("de-luge", "death"));
+ok($Collator->lt("death", "deluge"));
+
+$Collator->change(alternate => 'Shifted');
+
+ok($Collator->lt("death", "de luge"));
+ok($Collator->lt("de luge", "de-luge"));
+ok($Collator->lt("de-luge", "deluge"));
+ok($Collator->lt("deluge", "de Luge"));
+ok($Collator->lt("de Luge", "deLuge"));
+
+$Collator->change(alternate => 'Shift-Trimmed');
+
+ok($Collator->lt("death", "deluge"));
+ok($Collator->lt("deluge", "de luge"));
+ok($Collator->lt("de luge", "de-luge"));
+ok($Collator->lt("de-luge", "deLuge"));
+ok($Collator->lt("deLuge", "de Luge"));
+
+$Collator->change(%origAlter);
+
+ok($Collator->{alternate}, 'shifted');
+
+##############
+
+my $overCJK = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ entry => <<'ENTRIES',
+0061 ; [.0101.0020.0002.0061] # latin a
+0041 ; [.0101.0020.0008.0041] # LATIN A
+4E00 ; [.B1FC.0030.0004.4E00] # Ideograph; B1FC = FFFF - 4E03.
+ENTRIES
+ overrideCJK => sub {
+ my $u = 0xFFFF - $_[0]; # reversed
+ [$u, 0x20, 0x2, $u];
+ },
+);
+
+ok($overCJK->lt("a", "A")); # diff. at level 3.
+ok($overCJK->lt( "\x{4E03}", "\x{4E00}")); # diff. at level 2.
+ok($overCJK->lt("A\x{4E03}", "A\x{4E00}"));
+ok($overCJK->lt("A\x{4E03}", "a\x{4E00}"));
+ok($overCJK->lt("a\x{4E03}", "A\x{4E00}"));
+
+##############
+
+# rearrange : 0x0E40..0x0E44, 0x0EC0..0x0EC4 (default)
+
+my %old_rearrange = $Collator->change(rearrange => undef);
+
+ok($Collator->gt("\x{0E41}A", "\x{0E40}B"));
+ok($Collator->gt("A\x{0E41}A", "A\x{0E40}B"));
+
+$Collator->change(rearrange => [ 0x61 ]);
+ # U+0061, 'a': This is a Unicode value, never a native value.
+
+ok($Collator->gt("ab", "AB")); # as 'ba' > 'AB'
+
+$Collator->change(%old_rearrange);
+
+ok($Collator->lt("ab", "AB"));
+ok($Collator->lt("\x{0E40}", "\x{0E41}"));
+ok($Collator->lt("\x{0E40}A", "\x{0E41}B"));
+ok($Collator->lt("\x{0E41}A", "\x{0E40}B"));
+ok($Collator->lt("A\x{0E41}A", "A\x{0E40}B"));
+
+ok($all_undef_8->lt("\x{0E40}", "\x{0E41}"));
+ok($all_undef_8->lt("\x{0E40}A", "\x{0E41}B"));
+ok($all_undef_8->lt("\x{0E41}A", "\x{0E40}B"));
+ok($all_undef_8->lt("A\x{0E41}A", "A\x{0E40}B"));
+
+##############
+
+my $no_rearrange = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ rearrange => [],
+);
+
+ok($no_rearrange->lt("A", "B"));
+ok($no_rearrange->lt("\x{0E40}", "\x{0E41}"));
+ok($no_rearrange->lt("\x{0E40}A", "\x{0E41}B"));
+ok($no_rearrange->gt("\x{0E41}A", "\x{0E40}B"));
+ok($no_rearrange->gt("A\x{0E41}A", "A\x{0E40}B"));
+
+##############
+
+my $undef_rearrange = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ rearrange => undef,
+);
+
+ok($undef_rearrange->lt("A", "B"));
+ok($undef_rearrange->lt("\x{0E40}", "\x{0E41}"));
+ok($undef_rearrange->lt("\x{0E40}A", "\x{0E41}B"));
+ok($undef_rearrange->gt("\x{0E41}A", "\x{0E40}B"));
+ok($undef_rearrange->gt("A\x{0E41}A", "A\x{0E40}B"));
+
+##############
+
+my $dropArticles = Unicode::Collate->new(
+ table => "keys.txt",
+ normalization => undef,
+ preprocess => sub {
+ my $string = shift;
+ $string =~ s/\b(?:an?|the)\s+//ig;
+ $string;
+ },
+);
+
+ok($dropArticles->eq("camel", "a camel"));
+ok($dropArticles->eq("Perl", "The Perl"));
+ok($dropArticles->lt("the pen", "a pencil"));
+ok($Collator->lt("Perl", "The Perl"));
+ok($Collator->gt("the pen", "a pencil"));
+
+##############
+
+my $backLevel1 = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ backwards => [ 1 ],
+);
+
+# all strings are reversed at level 1.
+
+ok($backLevel1->gt("AB", "BA"));
+ok($backLevel1->gt("\x{3042}\x{3044}", "\x{3044}\x{3042}"));
+
+##############
+
+my $backLevel2 = Unicode::Collate->new(
+ table => "keys.txt",
+ normalization => undef,
+ undefName => qr/HANGUL|HIRAGANA|KATAKANA|BOPOMOFO/,
+ backwards => 2,
+);
+
+ok($backLevel2->gt("Ca\x{300}ca\x{302}", "ca\x{302}ca\x{300}"));
+ok($backLevel2->gt("ca\x{300}ca\x{302}", "Ca\x{302}ca\x{300}"));
+ok($Collator ->lt("Ca\x{300}ca\x{302}", "ca\x{302}ca\x{300}"));
+ok($Collator ->lt("ca\x{300}ca\x{302}", "Ca\x{302}ca\x{300}"));
+
+# HIRAGANA and KATAKANA are made undefined via undefName.
+# So they are after CJK Unified Ideographs.
+
+ok($backLevel2->lt("\x{4E00}", $hiragana));
+ok($backLevel2->lt("\x{4E03}", $katakana));
+ok($Collator ->gt("\x{4E00}", $hiragana));
+ok($Collator ->gt("\x{4E03}", $katakana));
+
+##############
+
+# ignorable after variable
+
+# Shifted;
+ok($Collator->eq("?\x{300}!\x{301}\x{315}", "?!"));
+ok($Collator->eq("?\x{300}A\x{301}", "?$A_acute"));
+ok($Collator->eq("?\x{300}", "?"));
+ok($Collator->eq("?\x{344}", "?")); # U+0344 has two CEs.
+
+$Collator->change(level => 3);
+ok($Collator->eq("\cA", "?"));
+
+$Collator->change(alternate => 'blanked', level => 4);
+ok($Collator->eq("?\x{300}!\x{301}\x{315}", "?!"));
+ok($Collator->eq("?\x{300}A\x{301}", "?$A_acute"));
+ok($Collator->eq("?\x{300}", "?"));
+ok($Collator->eq("?\x{344}", "?")); # U+0344 has two CEs.
+
+$Collator->change(level => 3);
+ok($Collator->eq("\cA", "?"));
+
+$Collator->change(alternate => 'Non-ignorable', level => 4);
+
+ok($Collator->lt("?\x{300}", "?!"));
+ok($Collator->gt("?\x{300}A$acute", "?$A_acute"));
+ok($Collator->gt("?\x{300}", "?"));
+ok($Collator->gt("?\x{344}", "?"));
+
+$Collator->change(level => 3);
+ok($Collator->lt("\cA", "?"));
+
+$Collator->change(alternate => 'Shifted', level => 4);
+
+##############
+
+# According to Conformance Test,
+# a L3-ignorable is treated as a completely ignorable.
+
+my $L3ignorable = Unicode::Collate->new(
+ alternate => 'Non-ignorable',
+ table => undef,
+ normalization => undef,
+ entry => <<'ENTRIES',
+0000 ; [.0000.0000.0000.0000] # [0000] NULL (in 6429)
+0001 ; [.0000.0000.0000.0000] # [0001] START OF HEADING (in 6429)
+0591 ; [.0000.0000.0000.0591] # HEBREW ACCENT ETNAHTA
+1D165 ; [.0000.0000.0000.1D165] # MUSICAL SYMBOL COMBINING STEM
+0021 ; [*024B.0020.0002.0021] # EXCLAMATION MARK
+09BE ; [.114E.0020.0002.09BE] # BENGALI VOWEL SIGN AA
+09C7 ; [.1157.0020.0002.09C7] # BENGALI VOWEL SIGN E
+09CB ; [.1159.0020.0002.09CB] # BENGALI VOWEL SIGN O
+09C7 09BE ; [.1159.0020.0002.09CB] # BENGALI VOWEL SIGN O
+ENTRIES
+);
+ok($L3ignorable->lt("\cA", "!"));
+ok($L3ignorable->lt("\x{591}", "!"));
+ok($L3ignorable->eq("\cA", "\x{591}"));
+ok($L3ignorable->eq("\x{09C7}\x{09BE}A", "\x{09C7}\cA\x{09BE}A"));
+ok($L3ignorable->eq("\x{09C7}\x{09BE}A", "\x{09C7}\x{0591}\x{09BE}A"));
+ok($L3ignorable->eq("\x{09C7}\x{09BE}A", "\x{09C7}\x{1D165}\x{09BE}A"));
+ok($L3ignorable->eq("\x{09C7}\x{09BE}A", "\x{09CB}A"));