utf8.c AOK

     [utf8_to_uvchr_buf]
     Malformed UTF-8 character
	my $a = ord "\x80" ;

     Malformed UTF-8 character
	my $a = ord "\xf080" ;
     <<<<<< this warning can't be easily triggered from perl anymore

     [utf16_to_utf8]
     Malformed UTF-16 surrogate		
     <<<<<< Add a test when something actually calls utf16_to_utf8

__END__
# utf8.c [utf8_to_uvchr_buf] -W
# NAME Malformed under 'use utf8' in double-quoted string
BEGIN {
    if (ord('A') == 193) {
        print "SKIPPED\n# ebcdic platforms generates different Malformed UTF-8 warnings.";
        exit 0;
    }
}
use utf8 ;
no warnings;    # Malformed is a fatal error, so gets output anyway.
my $a = "snøstorm" ;
EXPECT
Malformed UTF-8 character: \xf8\x73\x74\x6f\x72 (unexpected non-continuation byte 0x73, immediately after start byte 0xf8; need 5 bytes, got 1) at - line 10.
Malformed UTF-8 character (fatal) at - line 10.
########
# NAME Malformed under 'use utf8' in single-quoted string
BEGIN {
    if (ord('A') == 193) {
        print "SKIPPED\n# ebcdic platforms generates different Malformed UTF-8 warnings.";
        exit 0;
    }
}
use utf8 ;
no warnings;    # Malformed is a fatal error, so gets output anyway.
my $a = 'snøstorm' ;
EXPECT
Malformed UTF-8 character: \xf8\x73\x74\x6f\x72 (unexpected non-continuation byte 0x73, immediately after start byte 0xf8; need 5 bytes, got 1) at - line 9.
Malformed UTF-8 character (fatal) at - line 9.
########
use warnings 'utf8';
my $d7ff  = uc(chr(0xD7FF));
my $d800  = uc(chr(0xD800));
my $dfff  = uc(chr(0xDFFF));
my $e000  = uc(chr(0xE000));
my $feff  = uc(chr(0xFEFF));
my $fffd  = uc(chr(0xFFFD));
my $fffe  = uc(chr(0xFFFE));
my $ffff  = uc(chr(0xFFFF));
my $hex4  = uc(chr(0x10000));
my $hex5  = uc(chr(0x100000));
my $maxm1 = uc(chr(0x10FFFE));
my $max   = uc(chr(0x10FFFF));
my $nonUnicode =  uc(chr(0x110000));
no warnings 'utf8';
my $d7ff  = uc(chr(0xD7FF));
my $d800  = uc(chr(0xD800));
my $dfff  = uc(chr(0xDFFF));
my $e000  = uc(chr(0xE000));
my $feff  = uc(chr(0xFEFF));
my $fffd  = uc(chr(0xFFFD));
my $fffe  = uc(chr(0xFFFE));
my $ffff  = uc(chr(0xFFFF));
my $hex4  = uc(chr(0x10000));
my $hex5  = uc(chr(0x100000));
my $maxm1 = uc(chr(0x10FFFE));
my $max   = uc(chr(0x10FFFF));
my $nonUnicode =  uc(chr(0x110000));
EXPECT
Operation "uc" returns its argument for UTF-16 surrogate U+D800 at - line 3.
Operation "uc" returns its argument for UTF-16 surrogate U+DFFF at - line 4.
Operation "uc" returns its argument for non-Unicode code point 0x110000 at - line 14.
########
use warnings 'utf8';
my $d800  = uc(chr(0xD800));
my $nonUnicode =  uc(chr(0x110000));
no warnings 'surrogate';
my $d800  = uc(chr(0xD800));
my $nonUnicode =  uc(chr(0x110000));
EXPECT
Operation "uc" returns its argument for UTF-16 surrogate U+D800 at - line 2.
Operation "uc" returns its argument for non-Unicode code point 0x110000 at - line 3.
Operation "uc" returns its argument for non-Unicode code point 0x110000 at - line 6.
########
use warnings 'utf8';
my $d800  = uc(chr(0xD800));
my $nonUnicode =  uc(chr(0x110000));
no warnings 'non_unicode';
my $d800  = uc(chr(0xD800));
my $nonUnicode =  uc(chr(0x110000));
EXPECT
Operation "uc" returns its argument for UTF-16 surrogate U+D800 at - line 2.
Operation "uc" returns its argument for non-Unicode code point 0x110000 at - line 3.
Operation "uc" returns its argument for UTF-16 surrogate U+D800 at - line 5.
########
use warnings 'utf8';
no warnings 'deprecated'; # This is above IV_MAX on 32 bit machines
my $big_nonUnicode = uc(chr(0x8000_0000));
no warnings 'non_unicode';
my $big_nonUnicode = uc(chr(0x8000_0000));
EXPECT
Operation "uc" returns its argument for non-Unicode code point 0x80000000 at - line 3.
########
use warnings 'utf8';
my $d7ff  = lc pack("U", 0xD7FF);
my $d800  = lc pack("U", 0xD800);
my $dfff  = lc pack("U", 0xDFFF);
my $e000  = lc pack("U", 0xE000);
my $feff  = lc pack("U", 0xFEFF);
my $fffd  = lc pack("U", 0xFFFD);
my $fffe  = lc pack("U", 0xFFFE);
my $ffff  = lc pack("U", 0xFFFF);
my $hex4  = lc pack("U", 0x10000);
my $hex5  = lc pack("U", 0x100000);
my $maxm1 = lc pack("U", 0x10FFFE);
my $max   = lc pack("U", 0x10FFFF);
my $nonUnicode =  lc(pack("U", 0x110000));
no warnings 'utf8';
my $d7ff  = lc pack("U", 0xD7FF);
my $d800  = lc pack("U", 0xD800);
my $dfff  = lc pack("U", 0xDFFF);
my $e000  = lc pack("U", 0xE000);
my $feff  = lc pack("U", 0xFEFF);
my $fffd  = lc pack("U", 0xFFFD);
my $fffe  = lc pack("U", 0xFFFE);
my $ffff  = lc pack("U", 0xFFFF);
my $hex4  = lc pack("U", 0x10000);
my $hex5  = lc pack("U", 0x100000);
my $maxm1 = lc pack("U", 0x10FFFE);
my $max   = lc pack("U", 0x10FFFF);
my $nonUnicode =  lc(pack("U", 0x110000));
EXPECT
Operation "lc" returns its argument for UTF-16 surrogate U+D800 at - line 3.
Operation "lc" returns its argument for UTF-16 surrogate U+DFFF at - line 4.
Operation "lc" returns its argument for non-Unicode code point 0x110000 at - line 14.
########
use warnings 'utf8';
my $d7ff  = ucfirst "\x{D7FF}";
my $d800  = ucfirst "\x{D800}";
my $dfff  = ucfirst "\x{DFFF}";
my $e000  = ucfirst "\x{E000}";
my $feff  = ucfirst "\x{FEFF}";
my $fffd  = ucfirst "\x{FFFD}";
my $fffe  = ucfirst "\x{FFFE}";
my $ffff  = ucfirst "\x{FFFF}";
my $hex4  = ucfirst "\x{10000}";
my $hex5  = ucfirst "\x{100000}";
my $maxm1 = ucfirst "\x{10FFFE}";
my $max   = ucfirst "\x{10FFFF}";
my $nonUnicode =  ucfirst "\x{110000}";
no warnings 'utf8';
my $d7ff  = ucfirst "\x{D7FF}";
my $d800  = ucfirst "\x{D800}";
my $dfff  = ucfirst "\x{DFFF}";
my $e000  = ucfirst "\x{E000}";
my $feff  = ucfirst "\x{FEFF}";
my $fffd  = ucfirst "\x{FFFD}";
my $fffe  = ucfirst "\x{FFFE}";
my $ffff  = ucfirst "\x{FFFF}";
my $hex4  = ucfirst "\x{10000}";
my $hex5  = ucfirst "\x{100000}";
my $maxm1 = ucfirst "\x{10FFFE}";
my $max   = ucfirst "\x{10FFFF}";
my $nonUnicode =  ucfirst "\x{110000}";
EXPECT
Operation "ucfirst" returns its argument for UTF-16 surrogate U+D800 at - line 3.
Operation "ucfirst" returns its argument for UTF-16 surrogate U+DFFF at - line 4.
Operation "ucfirst" returns its argument for non-Unicode code point 0x110000 at - line 14.
########
# NAME Matching \p{} against above-Unicode
use warnings 'utf8';
chr(0xD7FF) =~ /\p{Any}/;
chr(0xD800) =~ /\p{Any}/;
chr(0xDFFF) =~ /\p{Any}/;
chr(0xE000) =~ /\p{Any}/;
chr(0xFEFF) =~ /\p{Any}/;
chr(0xFFFD) =~ /\p{Any}/;
chr(0xFFFE) =~ /\p{Any}/;
chr(0xFFFF) =~ /\p{Any}/;
chr(0x10000) =~ /\p{Any}/;
chr(0x100000) =~ /\p{Any}/;
chr(0x10FFFE) =~ /\p{Any}/;
chr(0x10FFFF) =~ /\p{Any}/;
chr(0x110000) =~ /[\p{Any}]/;
chr(0x110001) =~ /[\w\p{Any}]/;
chr(0x10FFFF) =~ /\p{All}/;
chr(0x110002) =~ /[\w\p{All}]/;
chr(0x110003) =~ /[\p{XPosixWord}]/;
chr(0x110004) =~ /[\P{XPosixWord}]/;
chr(0x110005) =~ /^[\p{Unassigned}]/;
chr(0x110006) =~ /^[\P{Unassigned}]/;
# Only Unicode properties give non-Unicode warnings, and only those properties
# which do match above Unicode; and not when something else in the class
# matches above Unicode.  Below we test three ways where something outside the
# property may match non-Unicode: a code point above it, a class \S that we
# know at compile time doesn't, and a class \W whose values aren't (at the time
# of this writing) specified at compile time, but which wouldn't match
chr(0x110050) =~ /\w/;
chr(0x110051) =~ /\W/;
chr(0x110052) =~ /\d/;
chr(0x110053) =~ /\D/;
chr(0x110054) =~ /\s/;
chr(0x110055) =~ /\S/;
chr(0x110056) =~ /[[:word:]]/;
chr(0x110057) =~ /[[:^word:]]/;
chr(0x110058) =~ /[[:alnum:]]/;
chr(0x110059) =~ /[[:^alnum:]]/;
chr(0x11005A) =~ /[[:space:]]/;
chr(0x11005B) =~ /[[:^space:]]/;
chr(0x11005C) =~ /[[:digit:]]/;
chr(0x11005D) =~ /[[:^digit:]]/;
chr(0x11005E) =~ /[[:alpha:]]/;
chr(0x11005F) =~ /[[:^alpha:]]/;
chr(0x110060) =~ /[[:ascii:]]/;
chr(0x110061) =~ /[[:^ascii:]]/;
chr(0x110062) =~ /[[:cntrl:]]/;
chr(0x110063) =~ /[[:^cntrl:]]/;
chr(0x110064) =~ /[[:graph:]]/;
chr(0x110065) =~ /[[:^graph:]]/;
chr(0x110066) =~ /[[:lower:]]/;
chr(0x110067) =~ /[[:^lower:]]/;
chr(0x110068) =~ /[[:print:]]/;
chr(0x110069) =~ /[[:^print:]]/;
chr(0x11006A) =~ /[[:punct:]]/;
chr(0x11006B) =~ /[[:^punct:]]/;
chr(0x11006C) =~ /[[:upper:]]/;
chr(0x11006D) =~ /[[:^upper:]]/;
chr(0x11006E) =~ /[[:xdigit:]]/;
chr(0x11006F) =~ /[[:^xdigit:]]/;
chr(0x110070) =~ /[[:blank:]]/;
chr(0x110071) =~ /[[:^blank:]]/;
chr(0x111010) =~ /[\W\p{Unassigned}]/;
chr(0x111011) =~ /[\W\P{Unassigned}]/;
chr(0x112010) =~ /[\S\p{Unassigned}]/;
chr(0x112011) =~ /[\S\P{Unassigned}]/;
chr(0x113010) =~ /[\x{110000}\p{Unassigned}]/;
chr(0x113011) =~ /[\x{110000}\P{Unassigned}]/;
no warnings 'utf8';
chr(0xD7FF) =~ /\p{Any}/;
chr(0xD800) =~ /\p{Any}/;
chr(0xDFFF) =~ /\p{Any}/;
chr(0xE000) =~ /\p{Any}/;
chr(0xFEFF) =~ /\p{Any}/;
chr(0xFFFD) =~ /\p{Any}/;
chr(0xFFFE) =~ /\p{Any}/;
chr(0xFFFF) =~ /\p{Any}/;
chr(0x10000) =~ /\p{Any}/;
chr(0x100000) =~ /\p{Any}/;
chr(0x10FFFE) =~ /\p{Any}/;
chr(0x10FFFF) =~ /\p{Any}/;
chr(0x110000) =~ /[\p{Any}]/;
chr(0x110001) =~ /[\w\p{Any}]/;
chr(0x10FFFF) =~ /\p{All}/;
chr(0x110002) =~ /[\w\p{All}]/;
chr(0x110003) =~ /[\p{XPosixWord}]/;
chr(0x110004) =~ /[\P{XPosixWord}]/;
chr(0x110005) =~ /^[\p{Unassigned}]/;
chr(0x110006) =~ /^[\P{Unassigned}]/;
chr(0x110050) =~ /\w/;
chr(0x110051) =~ /\W/;
chr(0x110052) =~ /\d/;
chr(0x110053) =~ /\D/;
chr(0x110054) =~ /\s/;
chr(0x110055) =~ /\S/;
chr(0x110056) =~ /[[:word:]]/;
chr(0x110057) =~ /[[:^word:]]/;
chr(0x110058) =~ /[[:alnum:]]/;
chr(0x110059) =~ /[[:^alnum:]]/;
chr(0x11005A) =~ /[[:space:]]/;
chr(0x11005B) =~ /[[:^space:]]/;
chr(0x11005C) =~ /[[:digit:]]/;
chr(0x11005D) =~ /[[:^digit:]]/;
chr(0x11005E) =~ /[[:alpha:]]/;
chr(0x11005F) =~ /[[:^alpha:]]/;
chr(0x110060) =~ /[[:ascii:]]/;
chr(0x110061) =~ /[[:^ascii:]]/;
chr(0x110062) =~ /[[:cntrl:]]/;
chr(0x110063) =~ /[[:^cntrl:]]/;
chr(0x110064) =~ /[[:graph:]]/;
chr(0x110065) =~ /[[:^graph:]]/;
chr(0x110066) =~ /[[:lower:]]/;
chr(0x110067) =~ /[[:^lower:]]/;
chr(0x110068) =~ /[[:print:]]/;
chr(0x110069) =~ /[[:^print:]]/;
chr(0x11006A) =~ /[[:punct:]]/;
chr(0x11006B) =~ /[[:^punct:]]/;
chr(0x11006C) =~ /[[:upper:]]/;
chr(0x11006D) =~ /[[:^upper:]]/;
chr(0x11006E) =~ /[[:xdigit:]]/;
chr(0x11006F) =~ /[[:^xdigit:]]/;
chr(0x110070) =~ /[[:blank:]]/;
chr(0x110071) =~ /[[:^blank:]]/;
chr(0x111010) =~ /[\W\p{Unassigned}]/;
chr(0x111011) =~ /[\W\P{Unassigned}]/;
chr(0x112010) =~ /[\S\p{Unassigned}]/;
chr(0x112011) =~ /[\S\P{Unassigned}]/;
chr(0x113010) =~ /[\x{110000}\p{Unassigned}]/;
chr(0x113011) =~ /[\x{110000}\P{Unassigned}]/;
EXPECT
Matched non-Unicode code point 0x110005 against Unicode property; may not be portable at - line 20.
Matched non-Unicode code point 0x110006 against Unicode property; may not be portable at - line 21.
########
# NAME Matching Unicode property against above-Unicode code point outputs a warning even if optimizer rejects the match (in synthetic start class)
# Now have to make FATAL to guarantee being output
use warnings FATAL => 'non_unicode';
"\x{110000}" =~ /b?\p{Space}/;
EXPECT
Matched non-Unicode code point 0x110000 against Unicode property; may not be portable at - line 3.
########
# NAME Matching POSIX class property against above-Unicode code point doesn't output a warning
use warnings 'non_unicode';
use warnings FATAL => 'non_unicode';
"\x{110000}" =~ /b?[[:space:]]/;
EXPECT
########
use warnings 'utf8';
chr(0x110000) =~ /\p{Any}/;
########
# NAME utf8, non_unicode warnings categories work on Matched non-Unicode code point warning
use warnings qw(utf8 non_unicode);
chr(0x110000) =~ /^\p{Unassigned}/;
no warnings 'non_unicode';
chr(0x110001) =~ /\p{Unassigned}/;
use warnings 'non_unicode';
no warnings 'utf8';
chr(0x110002) =~ /\p{Unassigned}/;
EXPECT
Matched non-Unicode code point 0x110000 against Unicode property; may not be portable at - line 2.
########
# NAME optimizable regnode should still give non_unicode warnings when fatalized
use warnings 'utf8';
use warnings FATAL => 'non_unicode';
chr(0x110000) =~ /\p{lb=cr}/;
EXPECT
Matched non-Unicode code point 0x110000 against Unicode property; may not be portable at - line 3.
########
# NAME optimizable regnode should not give non_unicode warnings when warnings are off
no warnings 'non_unicode';
chr(0x110000) =~ /\p{lb=cr}/;
EXPECT
########
# NAME 'All' matches above-Unicode without any warning
use warnings qw(utf8 non_unicode);
chr(0x110000) =~ /\p{All}/;
EXPECT
########
require "../test.pl";
use warnings 'utf8';
sub Is_Super { return '!utf8::Any' }
# The extra char is to avoid an optimization that avoids the problem when the
# property is the only non-latin1 char in a class
print "\x{1100000}" =~ /^[\p{Is_Super}\x{100}]$/, "\n";
EXPECT
1
########
require "../test.pl";
use warnings 'utf8';
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh "\x{D7FF}", "\n";
print $fh "\x{D800}", "\n";
print $fh "\x{D900}", "\n";
print $fh "\x{DA00}", "\n";
print $fh "\x{DB00}", "\n";
print $fh "\x{DC00}", "\n";
print $fh "\x{DD00}", "\n";
print $fh "\x{DE00}", "\n";
print $fh "\x{DF00}", "\n";
print $fh "\x{DFFF}", "\n";
print $fh "\x{E000}", "\n";
print $fh "\x{FDCF}", "\n";
print $fh "\x{FDD0}", "\n";
print $fh "\x{FDD1}", "\n";
print $fh "\x{FDEF}", "\n";
print $fh "\x{FDF0}", "\n";
print $fh "\x{FDFE}", "\n";
print $fh "\x{FDFF}", "\n";
print $fh "\x{FE00}", "\n";
print $fh "\x{FEFF}", "\n";
print $fh "\x{FFFD}", "\n";
print $fh "\x{FFFE}", "\n";
print $fh "\x{FFFF}", "\n";
print $fh "\x{10000}", "\n";
print $fh "\x{1FFFD}", "\n";
print $fh "\x{1FFFE}", "\n";
print $fh "\x{1FFFF}", "\n";
print $fh "\x{20000}", "\n";
print $fh "\x{2FFFD}", "\n";
print $fh "\x{2FFFE}", "\n";
print $fh "\x{2FFFF}", "\n";
print $fh "\x{30000}", "\n";
print $fh "\x{3FFFD}", "\n";
print $fh "\x{3FFFE}", "\n";
print $fh "\x{3FFFF}", "\n";
print $fh "\x{40000}", "\n";
print $fh "\x{4FFFD}", "\n";
print $fh "\x{4FFFE}", "\n";
print $fh "\x{4FFFF}", "\n";
print $fh "\x{50000}", "\n";
print $fh "\x{5FFFD}", "\n";
print $fh "\x{5FFFE}", "\n";
print $fh "\x{5FFFF}", "\n";
print $fh "\x{60000}", "\n";
print $fh "\x{6FFFD}", "\n";
print $fh "\x{6FFFE}", "\n";
print $fh "\x{6FFFF}", "\n";
print $fh "\x{70000}", "\n";
print $fh "\x{7FFFD}", "\n";
print $fh "\x{7FFFE}", "\n";
print $fh "\x{7FFFF}", "\n";
print $fh "\x{80000}", "\n";
print $fh "\x{8FFFD}", "\n";
print $fh "\x{8FFFE}", "\n";
print $fh "\x{8FFFF}", "\n";
print $fh "\x{90000}", "\n";
print $fh "\x{9FFFD}", "\n";
print $fh "\x{9FFFE}", "\n";
print $fh "\x{9FFFF}", "\n";
print $fh "\x{A0000}", "\n";
print $fh "\x{AFFFD}", "\n";
print $fh "\x{AFFFE}", "\n";
print $fh "\x{AFFFF}", "\n";
print $fh "\x{B0000}", "\n";
print $fh "\x{BFFFD}", "\n";
print $fh "\x{BFFFE}", "\n";
print $fh "\x{BFFFF}", "\n";
print $fh "\x{C0000}", "\n";
print $fh "\x{CFFFD}", "\n";
print $fh "\x{CFFFE}", "\n";
print $fh "\x{CFFFF}", "\n";
print $fh "\x{D0000}", "\n";
print $fh "\x{DFFFD}", "\n";
print $fh "\x{DFFFE}", "\n";
print $fh "\x{DFFFF}", "\n";
print $fh "\x{E0000}", "\n";
print $fh "\x{EFFFD}", "\n";
print $fh "\x{EFFFE}", "\n";
print $fh "\x{EFFFF}", "\n";
print $fh "\x{F0000}", "\n";
print $fh "\x{FFFFD}", "\n";
print $fh "\x{FFFFE}", "\n";
print $fh "\x{FFFFF}", "\n";
print $fh "\x{100000}", "\n";
print $fh "\x{10FFFD}", "\n";
print $fh "\x{10FFFE}", "\n";
print $fh "\x{10FFFF}", "\n";
print $fh "\x{110000}", "\n";
print $fh "\x{11FFFD}", "\n";
print $fh "\x{11FFFE}", "\n";
print $fh "\x{11FFFF}", "\n";
print $fh "\x{120000}", "\n";
close $fh;
EXPECT
Unicode surrogate U+D800 is illegal in UTF-8 at - line 6.
Unicode surrogate U+D900 is illegal in UTF-8 at - line 7.
Unicode surrogate U+DA00 is illegal in UTF-8 at - line 8.
Unicode surrogate U+DB00 is illegal in UTF-8 at - line 9.
Unicode surrogate U+DC00 is illegal in UTF-8 at - line 10.
Unicode surrogate U+DD00 is illegal in UTF-8 at - line 11.
Unicode surrogate U+DE00 is illegal in UTF-8 at - line 12.
Unicode surrogate U+DF00 is illegal in UTF-8 at - line 13.
Unicode surrogate U+DFFF is illegal in UTF-8 at - line 14.
Unicode non-character U+FDD0 is not recommended for open interchange in print at - line 17.
Unicode non-character U+FDD1 is not recommended for open interchange in print at - line 18.
Unicode non-character U+FDEF is not recommended for open interchange in print at - line 19.
Unicode non-character U+FFFE is not recommended for open interchange in print at - line 26.
Unicode non-character U+FFFF is not recommended for open interchange in print at - line 27.
Unicode non-character U+1FFFE is not recommended for open interchange in print at - line 30.
Unicode non-character U+1FFFF is not recommended for open interchange in print at - line 31.
Unicode non-character U+2FFFE is not recommended for open interchange in print at - line 34.
Unicode non-character U+2FFFF is not recommended for open interchange in print at - line 35.
Unicode non-character U+3FFFE is not recommended for open interchange in print at - line 38.
Unicode non-character U+3FFFF is not recommended for open interchange in print at - line 39.
Unicode non-character U+4FFFE is not recommended for open interchange in print at - line 42.
Unicode non-character U+4FFFF is not recommended for open interchange in print at - line 43.
Unicode non-character U+5FFFE is not recommended for open interchange in print at - line 46.
Unicode non-character U+5FFFF is not recommended for open interchange in print at - line 47.
Unicode non-character U+6FFFE is not recommended for open interchange in print at - line 50.
Unicode non-character U+6FFFF is not recommended for open interchange in print at - line 51.
Unicode non-character U+7FFFE is not recommended for open interchange in print at - line 54.
Unicode non-character U+7FFFF is not recommended for open interchange in print at - line 55.
Unicode non-character U+8FFFE is not recommended for open interchange in print at - line 58.
Unicode non-character U+8FFFF is not recommended for open interchange in print at - line 59.
Unicode non-character U+9FFFE is not recommended for open interchange in print at - line 62.
Unicode non-character U+9FFFF is not recommended for open interchange in print at - line 63.
Unicode non-character U+AFFFE is not recommended for open interchange in print at - line 66.
Unicode non-character U+AFFFF is not recommended for open interchange in print at - line 67.
Unicode non-character U+BFFFE is not recommended for open interchange in print at - line 70.
Unicode non-character U+BFFFF is not recommended for open interchange in print at - line 71.
Unicode non-character U+CFFFE is not recommended for open interchange in print at - line 74.
Unicode non-character U+CFFFF is not recommended for open interchange in print at - line 75.
Unicode non-character U+DFFFE is not recommended for open interchange in print at - line 78.
Unicode non-character U+DFFFF is not recommended for open interchange in print at - line 79.
Unicode non-character U+EFFFE is not recommended for open interchange in print at - line 82.
Unicode non-character U+EFFFF is not recommended for open interchange in print at - line 83.
Unicode non-character U+FFFFE is not recommended for open interchange in print at - line 86.
Unicode non-character U+FFFFF is not recommended for open interchange in print at - line 87.
Unicode non-character U+10FFFE is not recommended for open interchange in print at - line 90.
Unicode non-character U+10FFFF is not recommended for open interchange in print at - line 91.
Code point 0x110000 is not Unicode, may not be portable in print at - line 92.
Code point 0x11FFFD is not Unicode, may not be portable in print at - line 93.
Code point 0x11FFFE is not Unicode, may not be portable in print at - line 94.
Code point 0x11FFFF is not Unicode, may not be portable in print at - line 95.
Code point 0x120000 is not Unicode, may not be portable in print at - line 96.
########
require "../test.pl";
use warnings 'utf8';
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh "\x{D800}", "\n";
print $fh "\x{FFFF}", "\n";
print $fh "\x{110000}", "\n";
close $fh;
EXPECT
Unicode surrogate U+D800 is illegal in UTF-8 at - line 5.
Unicode non-character U+FFFF is not recommended for open interchange in print at - line 6.
Code point 0x110000 is not Unicode, may not be portable in print at - line 7.
########
require "../test.pl";
use warnings 'utf8';
no warnings 'surrogate';
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh "\x{D800}", "\n";
print $fh "\x{FFFF}", "\n";
print $fh "\x{110000}", "\n";
close $fh;
EXPECT
Unicode non-character U+FFFF is not recommended for open interchange in print at - line 7.
Code point 0x110000 is not Unicode, may not be portable in print at - line 8.
########
require "../test.pl";
use warnings 'utf8';
no warnings 'nonchar';
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh "\x{D800}", "\n";
print $fh "\x{FFFF}", "\n";
print $fh "\x{110000}", "\n";
close $fh;
EXPECT
Unicode surrogate U+D800 is illegal in UTF-8 at - line 6.
Code point 0x110000 is not Unicode, may not be portable in print at - line 8.
########
require "../test.pl";
use warnings 'utf8';
no warnings 'non_unicode';
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh "\x{D800}", "\n";
print $fh "\x{FFFF}", "\n";
print $fh "\x{110000}", "\n";
close $fh;
EXPECT
Unicode surrogate U+D800 is illegal in UTF-8 at - line 6.
Unicode non-character U+FFFF is not recommended for open interchange in print at - line 7.
########
# NAME C<use warnings "nonchar"> works in isolation
require "../test.pl";
use warnings 'nonchar';
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh "\x{FFFF}", "\n";
close $fh;
EXPECT
Unicode non-character U+FFFF is not recommended for open interchange in print at - line 5.
########
# NAME C<use warnings "surrogate"> works in isolation
require "../test.pl";
use warnings 'surrogate';
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh "\x{D800}", "\n";
close $fh;
EXPECT
Unicode surrogate U+D800 is illegal in UTF-8 at - line 5.
########
# NAME C<use warnings "non_unicode"> works in isolation
require "../test.pl";
use warnings 'non_unicode';
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh "\x{110000}", "\n";
close $fh;
EXPECT
Code point 0x110000 is not Unicode, may not be portable in print at - line 5.
########
require "../test.pl";
no warnings 'utf8';
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh "\x{D7FF}", "\n";
print $fh "\x{D800}", "\n";
print $fh "\x{DFFF}", "\n";
print $fh "\x{E000}", "\n";
print $fh "\x{FDCF}", "\n";
print $fh "\x{FDD0}", "\n";
print $fh "\x{FDEF}", "\n";
print $fh "\x{FDF0}", "\n";
print $fh "\x{FEFF}", "\n";
print $fh "\x{FFFD}", "\n";
print $fh "\x{FFFE}", "\n";
print $fh "\x{FFFF}", "\n";
print $fh "\x{10000}", "\n";
print $fh "\x{1FFFE}", "\n";
print $fh "\x{1FFFF}", "\n";
print $fh "\x{2FFFE}", "\n";
print $fh "\x{2FFFF}", "\n";
print $fh "\x{3FFFE}", "\n";
print $fh "\x{3FFFF}", "\n";
print $fh "\x{4FFFE}", "\n";
print $fh "\x{4FFFF}", "\n";
print $fh "\x{5FFFE}", "\n";
print $fh "\x{5FFFF}", "\n";
print $fh "\x{6FFFE}", "\n";
print $fh "\x{6FFFF}", "\n";
print $fh "\x{7FFFE}", "\n";
print $fh "\x{7FFFF}", "\n";
print $fh "\x{8FFFE}", "\n";
print $fh "\x{8FFFF}", "\n";
print $fh "\x{9FFFE}", "\n";
print $fh "\x{9FFFF}", "\n";
print $fh "\x{AFFFE}", "\n";
print $fh "\x{AFFFF}", "\n";
print $fh "\x{BFFFE}", "\n";
print $fh "\x{BFFFF}", "\n";
print $fh "\x{CFFFE}", "\n";
print $fh "\x{CFFFF}", "\n";
print $fh "\x{DFFFE}", "\n";
print $fh "\x{DFFFF}", "\n";
print $fh "\x{EFFFE}", "\n";
print $fh "\x{EFFFF}", "\n";
print $fh "\x{FFFFE}", "\n";
print $fh "\x{FFFFF}", "\n";
print $fh "\x{100000}", "\n";
print $fh "\x{10FFFE}", "\n";
print $fh "\x{10FFFF}", "\n";
print $fh "\x{110000}", "\n";
close $fh;
EXPECT
########
# NAME Case change crosses 255/256 under non-UTF8 locale
require '../loc_tools.pl';
unless (locales_enabled('LC_CTYPE')) {
    print("SKIPPED\n# locales not available\n"),exit;
}
eval { require POSIX; POSIX->import("locale_h") };
if ($@) {
    print("SKIPPED\n# no POSIX\n"),exit;
}
use warnings 'locale';
use feature 'fc';
use locale;
setlocale(&POSIX::LC_CTYPE, "C");
my $a;
$a = lc("\x{178}");
$a = fc("\x{1E9E}");
$a = fc("\x{FB05}");
$a = uc("\x{FB00}");
$a = ucfirst("\x{149}");
$a = lcfirst("\x{178}");
no warnings 'locale';
$a = lc("\x{178}");
$a = fc("\x{1E9E}");
$a = fc("\x{FB05}");
$a = uc("\x{FB00}");
$a = ucfirst("\x{149}");
$a = lcfirst("\x{178}");
EXPECT
Can't do lc("\x{178}") on non-UTF-8 locale; resolved to "\x{178}". at - line 14.
Can't do fc("\x{1E9E}") on non-UTF-8 locale; resolved to "\x{17F}\x{17F}". at - line 15.
Can't do fc("\x{FB05}") on non-UTF-8 locale; resolved to "\x{FB06}". at - line 16.
Can't do uc("\x{FB00}") on non-UTF-8 locale; resolved to "\x{FB00}". at - line 17.
Can't do ucfirst("\x{149}") on non-UTF-8 locale; resolved to "\x{149}". at - line 18.
Can't do lcfirst("\x{178}") on non-UTF-8 locale; resolved to "\x{178}". at - line 19.
########
# NAME Wide character in non-UTF-8 locale
require '../loc_tools.pl';
unless (locales_enabled('LC_CTYPE')) {
    print("SKIPPED\n# locales not available\n"),exit;
}
eval { require POSIX; POSIX->import("locale_h") };
if ($@) {
    print("SKIPPED\n# no POSIX\n"),exit;
}
use warnings 'locale';
use feature 'fc';
use locale;
setlocale(&POSIX::LC_CTYPE, "C");
my $a;
$a = lc("\x{100}");
$a = lcfirst("\x{101}");
$a = fc("\x{102}");
$a = uc("\x{103}");
$a = ucfirst("\x{104}");
no warnings 'locale';
$a = lc("\x{100}");
$a = lcfirst("\x{101}");
$a = fc("\x{102}");
$a = uc("\x{103}");
$a = ucfirst("\x{104}");
EXPECT
Wide character (U+100) in lc at - line 14.
Wide character (U+101) in lcfirst at - line 15.
Wide character (U+102) in fc at - line 16.
Wide character (U+103) in uc at - line 17.
Wide character (U+104) in ucfirst at - line 18.
########
# NAME Wide character in UTF-8 locale
require '../loc_tools.pl';
unless (locales_enabled('LC_CTYPE')) {
    print("SKIPPED\n# locales not available\n"),exit;
}
eval { require POSIX; POSIX->import("locale_h") };
if ($@) {
    print("SKIPPED\n# no POSIX\n"),exit;
}
my @utf8_locales = find_utf8_ctype_locale();
unless (@utf8_locales) {
    print("SKIPPED\n# no UTF-8 locales\n"),exit;
}
use warnings 'locale';
use feature 'fc';
use locale;
setlocale(&POSIX::LC_CTYPE, $utf8_locales[0]);
my $a;
$a = lc("\x{100}");
$a = lcfirst("\x{101}");
$a = fc("\x{102}");
$a = uc("\x{103}");
$a = ucfirst("\x{104}");
EXPECT
########
# NAME Deprecation of too-large code points
require "../test.pl";
use warnings 'non_unicode';
my $max_cp = ~0 >> 1;
my $max_char = chr $max_cp;
my $to_warn_cp = $max_cp + 1;
my $to_warn_char = chr $to_warn_cp;
$max_char =~ /[\x{110000}\P{Unassigned}]/;
$to_warn_char =~ /[\x{110000}\P{Unassigned}]/;
my $temp = qr/$max_char/;
$temp = qr/$to_warn_char/;
$temp = uc($max_char);
$temp = uc($to_warn_char);
my $file = tempfile();
open(my $fh, "+>:utf8", $file);
print $fh $max_char, "\n";
print $fh $to_warn_char, "\n";
close $fh;
EXPECT
OPTION regex
Use of code point 0x80+ is deprecated; the permissible max is 0x7F+\. This will be fatal in Perl 5\.28 at - line \d+.
Use of code point 0x80+ is deprecated; the permissible max is 0x7F+\. This will be fatal in Perl 5\.28 in pattern match \(m//\) at - line \d+.
Use of code point 0x80+ is deprecated; the permissible max is 0x7F+\. This will be fatal in Perl 5\.28 in regexp compilation at - line \d+.
Use of code point 0x80+ is deprecated; the permissible max is 0x7F+\. This will be fatal in Perl 5\.28 in regexp compilation at - line \d+.
Use of code point 0x80+ is deprecated; the permissible max is 0x7F+\. This will be fatal in Perl 5\.28 at - line \d+.
Use of code point 0x80+ is deprecated; the permissible max is 0x7F+\. This will be fatal in Perl 5\.28 in regexp compilation at - line \d+.
Operation "uc" returns its argument for non-Unicode code point 0x7F+ at - line \d+.
Use of code point 0x80+ is deprecated; the permissible max is 0x7F+\. This will be fatal in Perl 5\.28 in uc at - line \d+.
Use of code point 0x80+ is deprecated; the permissible max is 0x7F+\. This will be fatal in Perl 5\.28 at - line \d+.
Operation "uc" returns its argument for non-Unicode code point 0x80+ at - line \d+.
Code point 0x7F+ is not Unicode, may not be portable in print at - line \d+.
Use of code point 0x80+ is deprecated; the permissible max is 0x7F+\. This will be fatal in Perl 5\.28 in print at - line \d+.
########
# NAME  [perl #127262]
BEGIN{
    if (ord('A') == 193) {
        print "SKIPPED\n# ebcdic platforms generates different Malformed UTF-8 warnings.";
        exit 0;
    }
    use Config;
    unless ($Double{double_style_ieee}) {
        print "SKIPPED\n# non-IEEE fp range.";
        exit 0;
    }
{};$^H=eval'2**400'}Â
EXPECT
Malformed UTF-8 character: \xc2\x0a (unexpected non-continuation byte 0x0a, immediately after start byte 0xc2; need 2 bytes, got 1) at - line 11.