sub translator {
my $str = shift;
if ( $str eq 'EVIL' ) {
+ # Returns A first time, AB second, ABC third ... A-ZA the 27th time.
(my $c=substr("A".$Evil,-1))++;
my $r=$Evil;
$Evil.=$c;
if ( $str eq 'EMPTY-STR') {
return "";
}
+ if ( $str eq 'NULL') {
+ return "\0";
+ }
+ if ( $str eq 'LONG-STR') {
+ return 'A' x 255;
+ }
+ # Should exceed limit for regex \N bytes in a sequence. Anyway it will if
+ # UCHAR_MAX is 255.
+ if ( $str eq 'TOO-LONG-STR') {
+ return 'A' x 256;
+ }
+ if ($str eq 'MALFORMED') {
+ $str = "\xDF\xDFabc";
+ utf8::upgrade($str);
+
+ # Create a malformed in first and second characters.
+ $str =~ s/^\C/A/;
+ $str =~ s/^(\C\C)\C/$1A/;
+ }
return $str;
}