xref: /openbsd-src/gnu/usr.bin/perl/cpan/Unicode-Collate/t/backwds.t (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1
2BEGIN {
3    unless ('A' eq pack('U', 0x41)) {
4	print "1..0 # Unicode::Collate cannot pack a Unicode code point\n";
5	exit 0;
6    }
7    unless (0x41 == unpack('U', 'A')) {
8	print "1..0 # Unicode::Collate cannot get a Unicode code point\n";
9	exit 0;
10    }
11    if ($ENV{PERL_CORE}) {
12	chdir('t') if -d 't';
13	@INC = $^O eq 'MacOS' ? qw(::lib) : qw(../lib);
14    }
15}
16
17use strict;
18use warnings;
19BEGIN { $| = 1; print "1..36\n"; }
20my $count = 0;
21sub ok ($;$) {
22    my $p = my $r = shift;
23    if (@_) {
24	my $x = shift;
25	$p = !defined $x ? !defined $r : !defined $r ? 0 : $r eq $x;
26    }
27    print $p ? "ok" : "not ok", ' ', ++$count, "\n";
28}
29
30use Unicode::Collate;
31
32ok(1);
33
34# 2..12
35{
36    my $backLevel1 = Unicode::Collate->new(
37	table => "keys.txt",
38	normalization => undef,
39	backwards => [ 1 ],
40    );
41
42    ok($backLevel1->gt("a\x{300}a", "aa\x{300}"));
43    ok($backLevel1->lt("Ca\x{300}ca\x{302}", "ca\x{302}ca\x{300}"));
44    ok($backLevel1->lt("ca\x{300}ca\x{302}", "Ca\x{302}ca\x{300}"));
45
46    # all strings are reversed at level 1.
47    ok($backLevel1->gt("AB", "BA"));
48    ok($backLevel1->gt("\x{3042}\x{3044}", "\x{3044}\x{3042}"));
49
50    $backLevel1->change(backwards => []);
51    ok($backLevel1->lt("AB", "BA"));
52    ok($backLevel1->lt("\x{3042}\x{3044}", "\x{3044}\x{3042}"));
53
54    $backLevel1->change(backwards => 1);
55    ok($backLevel1->gt("AB", "BA"));
56    ok($backLevel1->gt("\x{3042}\x{3044}", "\x{3044}\x{3042}"));
57
58    $backLevel1->change(backwards => undef);
59    ok($backLevel1->lt("AB", "BA"));
60    ok($backLevel1->lt("\x{3042}\x{3044}", "\x{3044}\x{3042}"));
61}
62
63# 13..26
64{
65    my $backLevel2 = Unicode::Collate->new(
66	table => "keys.txt",
67	normalization => undef,
68	backwards => 2,
69    );
70
71    ok($backLevel2->lt("AB", "BA"));
72    ok($backLevel2->lt("\x{3042}\x{3044}", "\x{3044}\x{3042}"));
73
74    # all strings are reversed at level 2.
75    ok($backLevel2->lt("a\x{300}a", "aa\x{300}"));
76    ok($backLevel2->gt("Ca\x{300}ca\x{302}", "ca\x{302}ca\x{300}"));
77    ok($backLevel2->gt("ca\x{300}ca\x{302}", "Ca\x{302}ca\x{300}"));
78
79    $backLevel2->change(backwards => undef);
80    ok($backLevel2->gt("a\x{300}a", "aa\x{300}"));
81    ok($backLevel2->lt("Ca\x{300}ca\x{302}", "ca\x{302}ca\x{300}"));
82    ok($backLevel2->lt("ca\x{300}ca\x{302}", "Ca\x{302}ca\x{300}"));
83
84    $backLevel2->change(backwards => [2]);
85    ok($backLevel2->lt("a\x{300}a", "aa\x{300}"));
86    ok($backLevel2->gt("Ca\x{300}ca\x{302}", "ca\x{302}ca\x{300}"));
87    ok($backLevel2->gt("ca\x{300}ca\x{302}", "Ca\x{302}ca\x{300}"));
88
89    $backLevel2->change(backwards => []);
90    ok($backLevel2->gt("a\x{300}a", "aa\x{300}"));
91    ok($backLevel2->lt("Ca\x{300}ca\x{302}", "ca\x{302}ca\x{300}"));
92    ok($backLevel2->lt("ca\x{300}ca\x{302}", "Ca\x{302}ca\x{300}"));
93}
94
95# 27..31
96{
97    my $undef = Unicode::Collate->new(
98	table => "keys.txt",
99	normalization => undef,
100	backwards => undef,
101    );
102
103    ok($undef->lt("AB", "BA"));
104    ok($undef->lt("\x{3042}\x{3044}", "\x{3044}\x{3042}"));
105
106    ok($undef->gt("a\x{300}a", "aa\x{300}"));
107    ok($undef->lt("Ca\x{300}ca\x{302}", "ca\x{302}ca\x{300}"));
108    ok($undef->lt("ca\x{300}ca\x{302}", "Ca\x{302}ca\x{300}"));
109}
110
111# 32..36
112{
113    my $empty = Unicode::Collate->new(
114	table => "keys.txt",
115	normalization => undef,
116	backwards => [ ],
117    );
118
119    ok($empty->lt("AB", "BA"));
120    ok($empty->lt("\x{3042}\x{3044}", "\x{3044}\x{3042}"));
121
122    ok($empty->gt("a\x{300}a", "aa\x{300}"));
123    ok($empty->lt("Ca\x{300}ca\x{302}", "ca\x{302}ca\x{300}"));
124    ok($empty->lt("ca\x{300}ca\x{302}", "Ca\x{302}ca\x{300}"));
125}
126
127