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require "test.pl";
use strict;
use warnings;
sub unidump {
join " ", map { sprintf "%04X", $_ } unpack "U*", $_[0];
}
sub casetest {
my ($already_run, $base, @funcs) = @_;
my %spec;
# For each provided function run it, and run a version with some extra
# characters afterwards. Use a recycling symbol, as it doesn't change case.
# $already_run is the number of extra tests the caller has run before this
# call.
my $ballast = chr (0x2672) x 3;
@funcs = map {my $f = $_;
($f,
sub {my $r = $f->($_[0] . $ballast); # Add it before
$r =~ s/$ballast\z//so # Remove it afterwards
or die "'$_[0]' to '$r' mangled";
$r; # Result with $ballast removed.
},
)} @funcs;
use Unicode::UCD 'prop_invmap';
# Get the case mappings
my ($invlist_ref, $invmap_ref, undef, $default) = prop_invmap($base);
my %simple;
for my $i (0 .. @$invlist_ref - 1 - 1) {
next if $invmap_ref->[$i] == $default;
# Add simple mappings to the simples test list
if (! ref $invmap_ref->[$i]) {
# The returned map needs to have adjustments made. Each
# subsequent element of the range requires adjustment of +1 from
# the previous element
my $adjust = 0;
for my $k ($invlist_ref->[$i] .. $invlist_ref->[$i+1] - 1) {
$simple{$k} = $invmap_ref->[$i] + $adjust++;
}
}
else { # The return is a list of the characters mapped-to.
# prop_invmap() guarantees a single element in the range in
# this case, so no adjustments are needed.
$spec{$invlist_ref->[$i]} = pack "U0U*" , @{$invmap_ref->[$i]};
}
}
my %seen;
for my $i (sort keys %simple) {
$seen{$i}++;
}
print "# ", scalar keys %simple, " simple mappings\n";
for my $i (sort keys %spec) {
if (++$seen{$i} == 2) {
warn sprintf "$base: $i seen twice\n";
}
}
print "# ", scalar keys %spec, " special mappings\n";
my %none;
for my $i (map { ord } split //,
"\e !\"#\$%&'()+,-./0123456789:;<=>?\@[\\]^_{|}~\b") {
next if pack("U0U", $i) =~ /\w/;
$none{$i}++ unless $seen{$i};
}
print "# ", scalar keys %none, " noncase mappings\n";
my $tests =
$already_run +
((scalar keys %simple) +
(scalar keys %spec) +
(scalar keys %none)) * @funcs;
my $test = $already_run + 1;
for my $i (sort keys %simple) {
my $w = $simple{$i};
my $c = pack "U0U", $i;
foreach my $func (@funcs) {
my $d = $func->($c);
my $e = unidump($d);
is( $d, pack("U0U", $simple{$i}), "$i -> $e ($w)" );
}
}
for my $i (sort keys %spec) {
my $w = unidump($spec{$i});
my $h = sprintf "%04X", $i;
my $c = chr($i); $c .= chr(0x100); chop $c;
foreach my $func (@funcs) {
my $d = $func->($c);
my $e = unidump($d);
is( $w, $e, "$h -> $e ($w)" );
}
}
for my $i (sort { $a <=> $b } keys %none) {
my $c = pack "U0U", $i;
my $w = $i = sprintf "%04X", $i;
foreach my $func (@funcs) {
my $d = $func->($c);
my $e = unidump($d);
is( $d, $c, "$i -> $e ($w)" );
}
}
done_testing();
}
1;
|
