BEGIN {
    unless ('A' eq pack('U', 0x41)) {
	print "1..0 # Unicode::Collate cannot pack a Unicode code point\n";
	exit 0;
    }
    unless (0x41 == unpack('U', 'A')) {
	print "1..0 # Unicode::Collate cannot get 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 strict;
use warnings;
BEGIN { $| = 1; print "1..380\n"; } # 5 + 25 x @Versions
my $count = 0;
sub ok ($;$) {
    my $p = my $r = shift;
    if (@_) {
	my $x = shift;
	$p = !defined $x ? !defined $r : !defined $r ? 0 : $r eq $x;
    }
    print $p ? "ok" : "not ok", ' ', ++$count, "\n";
}

use Unicode::Collate;

ok(1);

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

my @Versions = (8, 9, 11, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36);

my $Collator = Unicode::Collate->new(
    table => 'keys.txt',
    normalization => undef,
    UCA_Version => 34,
);

ok($Collator->viewSortKey("\x{17000}"),
   '[FB00 8000 | 0020 | 0002 | FFFF FFFF |]');
ok($Collator->viewSortKey("\x{17001}"),
   '[FB00 8001 | 0020 | 0002 | FFFF FFFF |]');
ok($Collator->viewSortKey("\x{18800}"),
   '[FB00 9800 | 0020 | 0002 | FFFF FFFF |]');
ok($Collator->viewSortKey("\x{18AF2}"),
   '[FB00 9AF2 | 0020 | 0002 | FFFF FFFF |]');

# Tangut < CJK UI (4E00) < Unassigned.

# 17000..187EC are Tangut Ideographs since UCA_Version 34 (Unicode 9.0).
# 18800..18AF2 are Tangut Components since UCA_Version 34 (Unicode 9.0).

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

    ok($Collator->cmp("\x{16FFF}", "\x{4E00}") == 1);
    ok($Collator->cmp("\x{17000}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{17001}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{17FFF}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{18000}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{187EB}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{187EC}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{187ED}", "\x{4E00}") == 1);
    ok($Collator->cmp("\x{187FE}", "\x{4E00}") == 1);
    ok($Collator->cmp("\x{187FF}", "\x{4E00}") == 1);
    ok($Collator->cmp("\x{18800}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{18801}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{18AF1}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{18AF2}", "\x{4E00}") == ($v >= 34 ? -1 : 1));
    ok($Collator->cmp("\x{18AF3}", "\x{4E00}") == 1);
    ok($Collator->cmp("\x{18AFF}", "\x{4E00}") == 1);

    ok($Collator->lt("\x{17000}", "\x{17001}"));
    ok($Collator->lt("\x{17001}", "\x{17002}"));
    ok($Collator->lt("\x{17002}", "\x{17FFF}"));
    ok($Collator->lt("\x{17FFF}", "\x{18000}"));
    ok($Collator->lt("\x{18000}", "\x{187EB}"));
    ok($Collator->lt("\x{187EB}", "\x{187EC}"));

    ok($Collator->lt("\x{18800}", "\x{18801}"));
    ok($Collator->lt("\x{18801}", "\x{18AF1}"));
    ok($Collator->lt("\x{18AF1}", "\x{18AF2}"));
}