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+
+BEGIN {
+ unless ("A" eq pack('U', 0x41)) {
+ print "1..0 # Unicode::Collate " .
+ "cannot stringify a Unicode code point\n";
+ exit 0;
+ }
+ if ($ENV{PERL_CORE}) {
+ chdir('t') if -d 't';
+ @INC = $^O eq 'MacOS' ? qw(::lib) : qw(../lib);
+ }
+}
+
+use Test;
+BEGIN { plan tests => 113 };
+
+use strict;
+use warnings;
+use Unicode::Collate;
+
+ok(1);
+
+sub _pack_U { Unicode::Collate::pack_U(@_) }
+sub _unpack_U { Unicode::Collate::unpack_U(@_) }
+
+my $A_acute = _pack_U(0xC1);
+my $a_acute = _pack_U(0xE1);
+my $acute = _pack_U(0x0301);
+
+my $hiragana = "\x{3042}\x{3044}";
+my $katakana = "\x{30A2}\x{30A4}";
+
+##### 2..7
+
+my $Collator = Unicode::Collate->new(
+ table => 'keys.txt',
+ normalization => undef,
+);
+
+ok(ref $Collator, "Unicode::Collate");
+
+ok($Collator->cmp("", ""), 0);
+ok($Collator->eq("", ""));
+ok($Collator->cmp("", "perl"), -1);
+
+ok(
+ join(':', $Collator->sort( qw/ acha aca ada acia acka / ) ),
+ join(':', qw/ aca acha acia acka ada / ),
+);
+
+ok(
+ join(':', $Collator->sort( qw/ ACHA ACA ADA ACIA ACKA / ) ),
+ join(':', qw/ ACA ACHA ACIA ACKA ADA / ),
+);
+
+##### 8..18
+
+ok($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, $A_acute));
+
+##### 19..25
+
+$Collator->change(level => 2);
+
+ok($Collator->{level}, 2);
+
+ok( $Collator->cmp("ABC","abc"), 0);
+ok( $Collator->eq("ABC","abc") );
+ok( $Collator->le("ABC","abc") );
+ok( $Collator->cmp($hiragana, $katakana), 0);
+ok( $Collator->eq($hiragana, $katakana) );
+ok( $Collator->ge($hiragana, $katakana) );
+
+##### 26..31
+
+# hangul
+ok( $Collator->eq("a\x{AC00}b", "a\x{1100}\x{1161}b") );
+ok( $Collator->eq("a\x{AE00}b", "a\x{1100}\x{1173}\x{11AF}b") );
+ok( $Collator->gt("a\x{AE00}b", "a\x{1100}\x{1173}b\x{11AF}") );
+ok( $Collator->lt("a\x{AC00}b", "a\x{AE00}b") );
+ok( $Collator->gt("a\x{D7A3}b", "a\x{C544}b") );
+ok( $Collator->lt("a\x{C544}b", "a\x{30A2}b") ); # hangul < hiragana
+
+##### 32..40
+
+$Collator->change(%old_level, katakana_before_hiragana => 1);
+
+ok($Collator->{level}, 4);
+
+ok( $Collator->cmp("abc", "ABC"), -1);
+ok( $Collator->ne("abc", "ABC") );
+ok( $Collator->lt("abc", "ABC") );
+ok( $Collator->le("abc", "ABC") );
+ok( $Collator->cmp($hiragana, $katakana), 1);
+ok( $Collator->ne($hiragana, $katakana) );
+ok( $Collator->gt($hiragana, $katakana) );
+ok( $Collator->ge($hiragana, $katakana) );
+
+##### 41..46
+
+$Collator->change(upper_before_lower => 1);
+
+ok( $Collator->cmp("abc", "ABC"), 1);
+ok( $Collator->ge("abc", "ABC"), 1);
+ok( $Collator->gt("abc", "ABC"), 1);
+ok( $Collator->cmp($hiragana, $katakana), 1);
+ok( $Collator->ge($hiragana, $katakana), 1);
+ok( $Collator->gt($hiragana, $katakana), 1);
+
+##### 47..48
+
+$Collator->change(katakana_before_hiragana => 0);
+
+ok( $Collator->cmp("abc", "ABC"), 1);
+ok( $Collator->cmp($hiragana, $katakana), -1);
+
+##### 49..52
+
+$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) );
+
+##### 53..54
+
+my $ignoreAE = Unicode::Collate->new(
+ table => 'keys.txt',
+ normalization => undef,
+ ignoreChar => qr/^[aAeE]$/,
+);
+
+ok($ignoreAE->eq("element","lament"));
+ok($ignoreAE->eq("Perl","ePrl"));
+
+##### 55
+
+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
+);
+
+ok(
+ join(':', $onlyABC->sort( qw/ ABA BAC cc A Ab cAc aB / ) ),
+ join(':', qw/ A aB Ab ABA BAC cAc cc / ),
+);
+
+##### 56..59
+
+my $undefAE = Unicode::Collate->new(
+ table => 'keys.txt',
+ normalization => undef,
+ undefChar => qr/^[aAeE]$/,
+);
+
+ok($undefAE ->gt("edge","fog"));
+ok($Collator->lt("edge","fog"));
+ok($undefAE ->gt("lake","like"));
+ok($Collator->lt("lake","like"));
+
+##### 60..69
+
+# Table is undefined, then no entry is defined.
+
+my $undef_table = Unicode::Collate->new(
+ table => undef,
+ normalization => undef,
+ level => 1,
+);
+
+# in the Unicode code point order
+ok($undef_table->lt('', 'A'));
+ok($undef_table->lt('ABC', 'B'));
+
+# Hangul should be decomposed (even w/o Unicode::Normalize).
+ok($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($undef_table->lt("\x{AE00}", "\x{3042}"));
+ # U+AC00: Hangul GA
+ # U+AE00: Hangul GEUL
+ # U+3042: Hiragana A
+
+# Weight for CJK Ideographs is defined, though.
+ok($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"
+
+
+##### 70..74
+
+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}"));
+
+##### 75..79
+
+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"));
+
+##### 80..81
+
+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}"));
+
+##### 82..89
+
+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));
+
+
+##### 90..96
+
+my $O_str = Unicode::Collate->new(
+ table => "keys.txt",
+ normalization => undef,
+ entry => <<'ENTRIES',
+0008 ; [*0008.0000.0000.0000] # BACKSPACE (need to be non-ignorable)
+004F 0337 ; [.0B53.0020.0008.004F] # capital O WITH SHORT SOLIDUS OVERLAY
+006F 0008 002F ; [.0B53.0020.0002.006F] # LATIN SMALL LETTER O WITH STROKE
+004F 0008 002F ; [.0B53.0020.0008.004F] # LATIN CAPITAL LETTER O WITH STROKE
+006F 0337 ; [.0B53.0020.0002.004F] # small O WITH SHORT SOLIDUS OVERLAY
+200B ; [.2000.0000.0000.0000] # ZERO WIDTH SPACE (may be non-sense but ...)
+#00F8 ; [.0B53.0020.0002.00F8] # LATIN SMALL LETTER O WITH STROKE
+#00D8 ; [.0B53.0020.0008.00D8] # LATIN CAPITAL LETTER O WITH STROKE
+ENTRIES
+);
+
+my $o_BS_slash = _pack_U(0x006F, 0x0008, 0x002F);
+my $O_BS_slash = _pack_U(0x004F, 0x0008, 0x002F);
+my $o_sol = _pack_U(0x006F, 0x0337);
+my $O_sol = _pack_U(0x004F, 0x0337);
+my $o_stroke = _pack_U(0x00F8);
+my $O_stroke = _pack_U(0x00D8);
+
+ok($O_str->eq($o_stroke, $o_BS_slash));
+ok($O_str->eq($O_stroke, $O_BS_slash));
+
+ok($O_str->eq($o_stroke, $o_sol));
+ok($O_str->eq($O_stroke, $O_sol));
+
+ok($Collator->eq("\x{200B}", "\0"));
+ok($O_str ->gt("\x{200B}", "\0"));
+ok($O_str ->gt("\x{200B}", "A"));
+
+##### 97..107
+
+my %origVer = $Collator->change(UCA_Version => 8);
+
+$Collator->change(level => 3);
+
+ok($Collator->gt("!\x{300}", ""));
+ok($Collator->gt("!\x{300}", "!"));
+ok($Collator->eq("!\x{300}", "\x{300}"));
+
+$Collator->change(level => 2);
+
+ok($Collator->eq("!\x{300}", "\x{300}"));
+
+$Collator->change(level => 4);
+
+ok($Collator->gt("!\x{300}", "!"));
+ok($Collator->lt("!\x{300}", "\x{300}"));
+
+$Collator->change(%origVer, level => 3);
+
+ok($Collator->eq("!\x{300}", ""));
+ok($Collator->eq("!\x{300}", "!"));
+ok($Collator->lt("!\x{300}", "\x{300}"));
+
+$Collator->change(level => 4);
+
+ok($Collator->gt("!\x{300}", ""));
+ok($Collator->eq("!\x{300}", "!"));
+
+##### 108..113
+
+$_ = 'Foo';
+
+my $c = Unicode::Collate->new(
+ table => 'keys.txt',
+ normalization => undef,
+ upper_before_lower => 1,
+);
+
+ok($_, 'Foo'); # fixed at v. 0.52; no longer clobber $_
+
+my($temp, @temp); # Not the result but the side effect matters.
+
+$_ = 'Foo';
+$temp = $c->getSortKey("abc");
+ok($_, 'Foo');
+
+$_ = 'Foo';
+$temp = $c->viewSortKey("abc");
+ok($_, 'Foo');
+
+$_ = 'Foo';
+@temp = $c->sort("abc", "xyz", "def");
+ok($_, 'Foo');
+
+$_ = 'Foo';
+@temp = $c->index("perl5", "RL");
+ok($_, 'Foo');
+
+$_ = 'Foo';
+@temp = $c->index("perl5", "LR");
+ok($_, 'Foo');
+
+#####
+