xref: /onnv-gate/usr/src/cmd/perl/5.8.4/distrib/t/uni/case.pl (revision 0:68f95e015346)
1use File::Spec;
2
3require "test.pl";
4
5sub unidump {
6    join " ", map { sprintf "%04X", $_ } unpack "U*", $_[0];
7}
8
9sub casetest {
10    my ($base, $spec, $func) = @_;
11    my $file = File::Spec->catfile(File::Spec->catdir(File::Spec->updir,
12						      "lib", "unicore", "To"),
13				   "$base.pl");
14    my $simple = do $file;
15    my %simple;
16    for my $i (split(/\n/, $simple)) {
17	my ($k, $v) = split(' ', $i);
18	$simple{$k} = $v;
19    }
20    my %seen;
21
22    for my $i (sort keys %simple) {
23	$seen{$i}++;
24    }
25    print "# ", scalar keys %simple, " simple mappings\n";
26
27    my $both;
28
29    for my $i (sort keys %$spec) {
30	if (++$seen{$i} == 2) {
31	    warn sprintf "$base: $i seen twice\n";
32	    $both++;
33	}
34    }
35    print "# ", scalar keys %$spec, " special mappings\n";
36
37    exit(1) if $both;
38
39    my %none;
40    for my $i (map { ord } split //,
41	       "\e !\"#\$%&'()+,-./0123456789:;<=>?\@[\\]^_{|}~\b") {
42	next if pack("U0U", $i) =~ /\w/;
43	$none{$i}++ unless $seen{$i};
44    }
45    print "# ", scalar keys %none, " noncase mappings\n";
46
47    my $tests =
48	(scalar keys %simple) +
49	(scalar keys %$spec) +
50	(scalar keys %none);
51    print "1..$tests\n";
52
53    my $test = 1;
54
55    for my $i (sort keys %simple) {
56	my $w = $simple{$i};
57	my $c = pack "U0U", hex $i;
58	my $d = $func->($c);
59	my $e = unidump($d);
60	print $d eq pack("U0U", hex $simple{$i}) ?
61	    "ok $test # $i -> $w\n" : "not ok $test # $i -> $e ($w)\n";
62	$test++;
63    }
64
65    for my $i (sort keys %$spec) {
66	my $w = unidump($spec->{$i});
67	my $u = unpack "U0U", $i;
68	my $h = sprintf "%04X", $u;
69	my $c = chr($u); $c .= chr(0x100); chop $c;
70	my $d = $func->($c);
71	my $e = unidump($d);
72	if (ord "A" == 193) { # EBCDIC
73	    # We need to a little bit of remapping.
74	    #
75	    # For example, in titlecase (ucfirst) mapping
76	    # of U+0149 the Unicode mapping is U+02BC U+004E.
77	    # The 4E is N, which in EBCDIC is 2B--
78	    # and the ucfirst() does that right.
79	    # The problem is that our reference
80	    # data is in Unicode code points.
81	    #
82	    # The Right Way here would be to use, say,
83	    # Encode, to remap the less-than 0x100 code points,
84	    # but let's try to be Encode-independent here.
85	    #
86	    # These are the titlecase exceptions:
87	    #
88	    #         Unicode   Unicode+EBCDIC
89	    #
90	    # 0149 -> 02BC 004E (02BC 002B)
91	    # 01F0 -> 004A 030C (00A2 030C)
92	    # 1E96 -> 0048 0331 (00E7 0331)
93	    # 1E97 -> 0054 0308 (00E8 0308)
94	    # 1E98 -> 0057 030A (00EF 030A)
95	    # 1E99 -> 0059 030A (00DF 030A)
96	    # 1E9A -> 0041 02BE (00A0 02BE)
97	    #
98	    # The uppercase exceptions are identical.
99	    #
100	    # The lowercase has one more:
101	    #
102	    #         Unicode   Unicode+EBCDIC
103	    #
104	    # 0130 -> 0069 0307 (00D1 0307)
105	    #
106	    if ($i =~ /^(0130|0149|01F0|1E96|1E97|1E98|1E99|1E9A)$/) {
107		$e =~ s/004E/002B/; # N
108		$e =~ s/004A/00A2/; # J
109		$e =~ s/0048/00E7/; # H
110		$e =~ s/0054/00E8/; # T
111		$e =~ s/0057/00EF/; # W
112		$e =~ s/0059/00DF/; # Y
113		$e =~ s/0041/00A0/; # A
114		$e =~ s/0069/00D1/; # i
115	    }
116	    # We have to map the output, not the input, because
117	    # pack/unpack U has been EBCDICified, too, it would
118	    # just undo our remapping.
119	}
120	print $w eq $e ?
121	    "ok $test # $i -> $w\n" : "not ok $test # $h -> $e ($w)\n";
122	$test++;
123    }
124
125    for my $i (sort { $a <=> $b } keys %none) {
126	my $w = $i = sprintf "%04X", $i;
127	my $c = pack "U0U", hex $i;
128	my $d = $func->($c);
129	my $e = unidump($d);
130	print $d eq $c ?
131	    "ok $test # $i -> $w\n" : "not ok $test # $i -> $e ($w)\n";
132	$test++;
133    }
134}
135
1361;
137