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 => 246 }; # 6 + 30 x @Versions

use strict;
use warnings;
use Unicode::Collate;

ok(1);

#########################

# 2..6

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.

#####

# 4E00..9FA5 are CJK UI.
# 9FA6..9FBB are CJK UI since UCA_Version 14 (Unicode 4.1).
# 9FBC..9FC3 are CJK UI since UCA_Version 18 (Unicode 5.1).
# 9FC4..9FCB are CJK UI since UCA_Version 20 (Unicode 5.2).

# 3400..4DB5   are CJK UI Ext.A since UCA_Version 8  (Unicode 3.0).
# 20000..2A6D6 are CJK UI Ext.B since UCA_Version 8  (Unicode 3.1).
# 2A700..2B734 are CJK UI Ext.C since UCA_Version 20 (Unicode 5.2).
# 2B740..2B81D are CJK UI Ext.D since UCA_Version 22 (Unicode 6.0).

my @Versions = (8, 9, 11, 14, 16, 18, 20, 22);

for my $v (@Versions) {
    $ignoreCJK->change(UCA_Version => $v);

    # UI
    ok($ignoreCJK->cmp("\x{4E00}", "") == 0);
    ok($ignoreCJK->cmp("\x{9FA5}", "") == 0);
    ok($ignoreCJK->cmp("\x{9FA6}", "") == ($v >= 14 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FAF}", "") == ($v >= 14 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FB0}", "") == ($v >= 14 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FBB}", "") == ($v >= 14 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FBC}", "") == ($v >= 18 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FBF}", "") == ($v >= 18 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FC0}", "") == ($v >= 18 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FC3}", "") == ($v >= 18 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FC4}", "") == ($v >= 20 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FCB}", "") == ($v >= 20 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{9FCC}", "") == 1);
    ok($ignoreCJK->cmp("\x{9FCF}", "") == 1);

    # Ext.A
    ok($ignoreCJK->cmp("\x{3400}", "") == 0);
    ok($ignoreCJK->cmp("\x{4DB5}", "") == 0);
    ok($ignoreCJK->cmp("\x{4DB6}", "") == 1);
    ok($ignoreCJK->cmp("\x{4DBF}", "") == 1);

    # Ext.B
    ok($ignoreCJK->cmp("\x{20000}","") == 0);
    ok($ignoreCJK->cmp("\x{2A6D6}","") == 0);
    ok($ignoreCJK->cmp("\x{2A6D7}","") == 1);
    ok($ignoreCJK->cmp("\x{2A6DF}","") == 1);

    # Ext.C
    ok($ignoreCJK->cmp("\x{2A700}","") == ($v >= 20 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{2B734}","") == ($v >= 20 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{2B735}","") == 1);
    ok($ignoreCJK->cmp("\x{2B73F}","") == 1);

    # Ext.D
    ok($ignoreCJK->cmp("\x{2B740}","") == ($v >= 22 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{2B81D}","") == ($v >= 22 ? 0 : 1));
    ok($ignoreCJK->cmp("\x{2B81E}","") == 1);
    ok($ignoreCJK->cmp("\x{2B81F}","") == 1);
}