[p5sagit/p5-mst-13.2.git] / t / op / utf8decode.t

#!./perl

BEGIN {
    chdir 't' if -d 't';
    @INC = '../lib';
}

{
    my $wide = v256;
    use bytes;
    my $ordwide = ord($wide);
    printf "# under use bytes ord(v256) = 0x%02x\n", $ordwide;
    if ($ordwide == 140) {
	print "1..0 # Skip: UTF-EBCDIC (not UTF-8) used here\n";
	exit 0;
    }
    elsif ($ordwide != 196) {
	printf "# v256 starts with 0x%02x\n", $ordwide;
    }
}

no utf8;

print "1..78\n";

my $test = 1;

# This table is based on Markus Kuhn's UTF-8 Decode Stress Tester,
# http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt,
# version dated 2000-09-02.

# We use the \x notation instead of raw binary bytes for \x00-\x1f\x7f-\xff
# because e.g. many patch programs have issues with binary data.

my @MK = split(/\n/, <<__EOMK__);
1	Correct UTF-8
1.1.1 y "\xce\xba\xe1\xbd\xb9\xcf\x83\xce\xbc\xce\xb5"	-		11	ce:ba:e1:bd:b9:cf:83:ce:bc:ce:b5	5
2	Boundary conditions
2.1	First possible sequence of certain length
2.1.1 y "\x00"			0		1	00	1
2.1.2 y "\xc2\x80"			80		2	c2:80	1
2.1.3 y "\xe0\xa0\x80"		800		3	e0:a0:80	1
2.1.4 y "\xf0\x90\x80\x80"		10000		4	f0:90:80:80	1
2.1.5 y "\xf8\x88\x80\x80\x80"	200000		5	f8:88:80:80:80	1
2.1.6 y "\xfc\x84\x80\x80\x80\x80"	4000000		6	fc:84:80:80:80:80	1
2.2	Last possible sequence of certain length
2.2.1 y "\x7f"			7f		1	7f	1
2.2.2 y "\xdf\xbf"			7ff		2	df:bf	1
# The ffff is illegal unless UTF8_ALLOW_FFFF
2.2.3 n "\xef\xbf\xbf"			ffff		3	ef:bf:bf	1	character 0xffff
2.2.4 y "\xf7\xbf\xbf\xbf"			1fffff		4	f7:bf:bf:bf	1
2.2.5 y "\xfb\xbf\xbf\xbf\xbf"			3ffffff		5	fb:bf:bf:bf:bf	1
2.2.6 y "\xfd\xbf\xbf\xbf\xbf\xbf"		7fffffff	6	fd:bf:bf:bf:bf:bf	1
2.3	Other boundary conditions
2.3.1 y "\xed\x9f\xbf"		d7ff		3	ed:9f:bf	1
2.3.2 y "\xee\x80\x80"		e000		3	ee:80:80	1
2.3.3 y "\xef\xbf\xbd"			fffd		3	ef:bf:bd	1
2.3.4 y "\xf4\x8f\xbf\xbf"		10ffff		4	f4:8f:bf:bf	1
2.3.5 y "\xf4\x90\x80\x80"		110000		4	f4:90:80:80	1
3	Malformed sequences
3.1	Unexpected continuation bytes
3.1.1 n "\x80"			-		1	80	-	unexpected continuation byte 0x80
3.1.2 n "\xbf"			-		1	bf	-	unexpected continuation byte 0xbf
3.1.3 n "\x80\xbf"			-		2	80:bf	-	unexpected continuation byte 0x80
3.1.4 n "\x80\xbf\x80"		-		3	80:bf:80	-	unexpected continuation byte 0x80
3.1.5 n "\x80\xbf\x80\xbf"		-		4	80:bf:80:bf	-	unexpected continuation byte 0x80
3.1.6 n "\x80\xbf\x80\xbf\x80"	-		5	80:bf:80:bf:80	-	unexpected continuation byte 0x80
3.1.7 n "\x80\xbf\x80\xbf\x80\xbf"	-		6	80:bf:80:bf:80:bf	-	unexpected continuation byte 0x80
3.1.8 n "\x80\xbf\x80\xbf\x80\xbf\x80"	-		7	80:bf:80:bf:80:bf:80	-	unexpected continuation byte 0x80
3.1.9 n "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf"				-	64	80:81:82:83:84:85:86:87:88:89:8a:8b:8c:8d:8e:8f:90:91:92:93:94:95:96:97:98:99:9a:9b:9c:9d:9e:9f:a0:a1:a2:a3:a4:a5:a6:a7:a8:a9:aa:ab:ac:ad:ae:af:b0:b1:b2:b3:b4:b5:b6:b7:b8:b9:ba:bb:bc:bd:be:bf	-	unexpected continuation byte 0x80
3.2	Lonely start characters
3.2.1 n "\xc0 \xc1 \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf \xd0 \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf "	-	64 	c0:20:c1:20:c2:20:c3:20:c4:20:c5:20:c6:20:c7:20:c8:20:c9:20:ca:20:cb:20:cc:20:cd:20:ce:20:cf:20:d0:20:d1:20:d2:20:d3:20:d4:20:d5:20:d6:20:d7:20:d8:20:d9:20:da:20:db:20:dc:20:dd:20:de:20:df:20	-	unexpected non-continuation byte 0x20 after start byte 0xc0
3.2.2 n "\xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee \xef "	-	32	e0:20:e1:20:e2:20:e3:20:e4:20:e5:20:e6:20:e7:20:e8:20:e9:20:ea:20:eb:20:ec:20:ed:20:ee:20:ef:20	-	unexpected non-continuation byte 0x20 after start byte 0xe0
3.2.3 n "\xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 "	-	16	f0:20:f1:20:f2:20:f3:20:f4:20:f5:20:f6:20:f7:20	-	unexpected non-continuation byte 0x20 after start byte 0xf0
3.2.4 n "\xf8 \xf9 \xfa \xfb "		-	8	f8:20:f9:20:fa:20:fb:20	-	unexpected non-continuation byte 0x20 after start byte 0xf8
3.2.5 n "\xfc \xfd "			-	4	fc:20:fd:20	-	unexpected non-continuation byte 0x20 after start byte 0xfc
3.3	Sequences with last continuation byte missing
3.3.1 n "\xc0"			-	1	c0	-	1 byte, need 2
3.3.2 n "\xe0\x80"			-	2	e0:80	-	2 bytes, need 3
3.3.3 n "\xf0\x80\x80"		-	3	f0:80:80	-	3 bytes, need 4
3.3.4 n "\xf8\x80\x80\x80"		-	4	f8:80:80:80	-	4 bytes, need 5
3.3.5 n "\xfc\x80\x80\x80\x80"	-	5	fc:80:80:80:80	-	5 bytes, need 6
3.3.6 n "\xdf"			-	1	df	-	1 byte, need 2
3.3.7 n "\xef\xbf"			-	2	ef:bf	-	2 bytes, need 3
3.3.8 n "\xf7\xbf\xbf"			-	3	f7:bf:bf	-	3 bytes, need 4
3.3.9 n "\xfb\xbf\xbf\xbf"			-	4	fb:bf:bf:bf	-	4 bytes, need 5
3.3.10 n "\xfd\xbf\xbf\xbf\xbf"		-	5	fd:bf:bf:bf:bf	-	5 bytes, need 6
3.4	Concatenation of incomplete sequences
3.4.1 n "\xc0\xe0\x80\xf0\x80\x80\xf8\x80\x80\x80\xfc\x80\x80\x80\x80\xdf\xef\xbf\xf7\xbf\xbf\xfb\xbf\xbf\xbf\xfd\xbf\xbf\xbf\xbf"	-	30	c0:e0:80:f0:80:80:f8:80:80:80:fc:80:80:80:80:df:ef:bf:f7:bf:bf:fb:bf:bf:bf:fd:bf:bf:bf:bf	-	unexpected non-continuation byte 0xe0 after start byte 0xc0
3.5	Impossible bytes
3.5.1 n "\xfe"			-	1	fe	-	byte 0xfe
3.5.2 n "\xff"			-	1	ff	-	byte 0xff
3.5.3 n "\xfe\xfe\xff\xff"			-	4	fe:fe:ff:ff	-	byte 0xfe
4	Overlong sequences
4.1	Examples of an overlong ASCII character
4.1.1 n "\xc0\xaf"			-	2	c0:af	-	2 bytes, need 1
4.1.2 n "\xe0\x80\xaf"		-	3	e0:80:af	-	3 bytes, need 1
4.1.3 n "\xf0\x80\x80\xaf"		-	4	f0:80:80:af	-	4 bytes, need 1
4.1.4 n "\xf8\x80\x80\x80\xaf"	-	5	f8:80:80:80:af	-	5 bytes, need 1
4.1.5 n "\xfc\x80\x80\x80\x80\xaf"	-	6	fc:80:80:80:80:af	-	6 bytes, need 1
4.2	Maximum overlong sequences
4.2.1 n "\xc1\xbf"			-	2	c1:bf	-	2 bytes, need 1
4.2.2 n "\xe0\x9f\xbf"		-	3	e0:9f:bf	-	3 bytes, need 2
4.2.3 n "\xf0\x8f\xbf\xbf"		-	4	f0:8f:bf:bf	-	4 bytes, need 3
4.2.4 n "\xf8\x87\xbf\xbf\xbf"		-	5	f8:87:bf:bf:bf	-	5 bytes, need 4
4.2.5 n "\xfc\x83\xbf\xbf\xbf\xbf"		-	6	fc:83:bf:bf:bf:bf	-	6 bytes, need 5
4.3	Overlong representation of the NUL character
4.3.1 n "\xc0\x80"			-	2	c0:80	-	2 bytes, need 1
4.3.2 n "\xe0\x80\x80"		-	3	e0:80:80	-	3 bytes, need 1
4.3.3 n "\xf0\x80\x80\x80"		-	4	f0:80:80:80	-	4 bytes, need 1
4.3.4 n "\xf8\x80\x80\x80\x80"	-	5	f8:80:80:80:80	-	5 bytes, need 1
4.3.5 n "\xfc\x80\x80\x80\x80\x80"	-	6	fc:80:80:80:80:80	-	6 bytes, need 1
5	Illegal code positions
5.1	Single UTF-16 surrogates
5.1.1 n "\xed\xa0\x80"		-	3	ed:a0:80	-	UTF-16 surrogate 0xd800
5.1.2 n "\xed\xad\xbf"			-	3	ed:ad:bf	-	UTF-16 surrogate 0xdb7f
5.1.3 n "\xed\xae\x80"		-	3	ed:ae:80	-	UTF-16 surrogate 0xdb80
5.1.4 n "\xed\xaf\xbf"			-	3	ed:af:bf	-	UTF-16 surrogate 0xdbff
5.1.5 n "\xed\xb0\x80"		-	3	ed:b0:80	-	UTF-16 surrogate 0xdc00
5.1.6 n "\xed\xbe\x80"		-	3	ed:be:80	-	UTF-16 surrogate 0xdf80
5.1.7 n "\xed\xbf\xbf"			-	3	ed:bf:bf	-	UTF-16 surrogate 0xdfff
5.2	Paired UTF-16 surrogates
5.2.1 n "\xed\xa0\x80\xed\xb0\x80"		-	6	ed:a0:80:ed:b0:80	-	UTF-16 surrogate 0xd800
5.2.2 n "\xed\xa0\x80\xed\xbf\xbf"		-	6	ed:a0:80:ed:bf:bf	-	UTF-16 surrogate 0xd800
5.2.3 n "\xed\xad\xbf\xed\xb0\x80"		-	6	ed:ad:bf:ed:b0:80	-	UTF-16 surrogate 0xdb7f
5.2.4 n "\xed\xad\xbf\xed\xbf\xbf"		-	6	ed:ad:bf:ed:bf:bf	-	UTF-16 surrogate 0xdb7f
5.2.5 n "\xed\xae\x80\xed\xb0\x80"		-	6	ed:ae:80:ed:b0:80	-	UTF-16 surrogate 0xdb80
5.2.6 n "\xed\xae\x80\xed\xbf\xbf"		-	6	ed:ae:80:ed:bf:bf	-	UTF-16 surrogate 0xdb80
5.2.7 n "\xed\xaf\xbf\xed\xb0\x80"		-	6	ed:af:bf:ed:b0:80	-	UTF-16 surrogate 0xdbff
5.2.8 n "\xed\xaf\xbf\xed\xbf\xbf"		-	6	ed:af:bf:ed:bf:bf	-	UTF-16 surrogate 0xdbff
5.3	Other illegal code positions
5.3.1 n "\xef\xbf\xbe"			-	3	ef:bf:be	-	byte order mark 0xfffe
# The ffff is illegal unless UTF8_ALLOW_FFFF
5.3.2 n "\xef\xbf\xbf"			-	3	ef:bf:bf	-	character 0xffff
__EOMK__

# 104..181
{
    my $id;

    local $SIG{__WARN__} = sub {
	print "# $id: @_";
	$@ = "@_";
    };

    sub moan {
	print "$id: @_";
    }

    sub warn_unpack_U {
	$@ = '';
	my @null = unpack('U0U*', $_[0]);
	return $@;
    }

    for (@MK) {
	if (/^(?:\d+(?:\.\d+)?)\s/ || /^#/) {
	    # print "# $_\n";
	} elsif (/^(\d+\.\d+\.\d+[bu]?)\s+([yn])\s+"(.+)"\s+([0-9a-f]{1,8}|-)\s+(\d+)\s+([0-9a-f]{2}(?::[0-9a-f]{2})*)(?:\s+((?:\d+|-)(?:\s+(.+))?))?$/) {
	    $id = $1;
	    my ($okay, $bytes, $Unicode, $byteslen, $hex, $charslen, $experr) =
		($2, $3, $4, $5, $6, $7, $8);
	    my @hex = split(/:/, $hex);
	    unless (@hex == $byteslen) {
		my $nhex = @hex;
		moan "amount of hex ($nhex) not equal to byteslen ($byteslen)\n";
	    }
	    {
		use bytes;
		my $bytesbyteslen = length($bytes);
		unless ($bytesbyteslen == $byteslen) {
		    moan "bytes length() ($bytesbyteslen) not equal to $byteslen\n";
		}
	    }
	    my $warn = warn_unpack_U($bytes);
	    if ($okay eq 'y') {
		if ($warn) {
		    moan "unpack('U0U*') false negative\n";
		    print "not ";
		}
	    } elsif ($okay eq 'n') {
		if (not $warn || ($experr ne '' && $warn !~ /$experr/)) {
		    moan "unpack('U0U*') false positive\n";
		    print "not ";
		}
	    }
	    print "ok $test # $id $okay\n";
	    $test++;
 	} else {
	    moan "unknown format\n";
	}
    }
}
Commit	Line	Data
a9917092	1	#!./perl
	2
	3	BEGIN {
	4	chdir 't' if -d 't';
	5	@INC = '../lib';
daf0f78e	6	}
	7
	8	{
	9	my $wide = v256;
	10	use bytes;
ffbc6a93	11	my $ordwide = ord($wide);
	12	printf "# under use bytes ord(v256) = 0x%02x\n", $ordwide;
	13	if ($ordwide == 140) {
	14	print "1..0 # Skip: UTF-EBCDIC (not UTF-8) used here\n";
	15	exit 0;
	16	}
	17	elsif ($ordwide != 196) {
	18	printf "# v256 starts with 0x%02x\n", $ordwide;
	19	}
a9917092	20	}
a9917092	21
3b0e0cb6	22	no utf8;
ffc61ed2	23
a9917092	24	print "1..78\n";
	25
	26	my $test = 1;
	27
	28	# This table is based on Markus Kuhn's UTF-8 Decode Stress Tester,
	29	# http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt,
daf0f78e	30	# version dated 2000-09-02.
a9917092	31
3b0e0cb6	32	# We use the \x notation instead of raw binary bytes for \x00-\x1f\x7f-\xff
3b0e0cb6	33	# because e.g. many patch programs have issues with binary data.
a9917092	34
	35	my @MK = split(/\n/, <<__EOMK__);
	36	1 Correct UTF-8
3b0e0cb6	37	1.1.1 y "\xce\xba\xe1\xbd\xb9\xcf\x83\xce\xbc\xce\xb5" - 11 ce:ba:e1:bd:b9:cf:83:ce:bc:ce:b5 5
daf0f78e	38	2 Boundary conditions
a9917092	39	2.1 First possible sequence of certain length
3b0e0cb6	40	2.1.1 y "\x00" 0 1 00 1
	41	2.1.2 y "\xc2\x80" 80 2 c2:80 1
	42	2.1.3 y "\xe0\xa0\x80" 800 3 e0:a0:80 1
	43	2.1.4 y "\xf0\x90\x80\x80" 10000 4 f0:90:80:80 1
	44	2.1.5 y "\xf8\x88\x80\x80\x80" 200000 5 f8:88:80:80:80 1
	45	2.1.6 y "\xfc\x84\x80\x80\x80\x80" 4000000 6 fc:84:80:80:80:80 1
a9917092	46	2.2 Last possible sequence of certain length
3b0e0cb6	47	2.2.1 y "\x7f" 7f 1 7f 1
3b0e0cb6	48	2.2.2 y "\xdf\xbf" 7ff 2 df:bf 1
a9917092	49	# The ffff is illegal unless UTF8_ALLOW_FFFF
3b0e0cb6	50	2.2.3 n "\xef\xbf\xbf" ffff 3 ef:bf:bf 1 character 0xffff
	51	2.2.4 y "\xf7\xbf\xbf\xbf" 1fffff 4 f7:bf:bf:bf 1
	52	2.2.5 y "\xfb\xbf\xbf\xbf\xbf" 3ffffff 5 fb:bf:bf:bf:bf 1
	53	2.2.6 y "\xfd\xbf\xbf\xbf\xbf\xbf" 7fffffff 6 fd:bf:bf:bf:bf:bf 1
a9917092	54	2.3 Other boundary conditions
3b0e0cb6	55	2.3.1 y "\xed\x9f\xbf" d7ff 3 ed:9f:bf 1
	56	2.3.2 y "\xee\x80\x80" e000 3 ee:80:80 1
	57	2.3.3 y "\xef\xbf\xbd" fffd 3 ef:bf:bd 1
	58	2.3.4 y "\xf4\x8f\xbf\xbf" 10ffff 4 f4:8f:bf:bf 1
	59	2.3.5 y "\xf4\x90\x80\x80" 110000 4 f4:90:80:80 1
a9917092	60	3 Malformed sequences
a9917092	61	3.1 Unexpected continuation bytes
3b0e0cb6	62	3.1.1 n "\x80" - 1 80 - unexpected continuation byte 0x80
	63	3.1.2 n "\xbf" - 1 bf - unexpected continuation byte 0xbf
	64	3.1.3 n "\x80\xbf" - 2 80:bf - unexpected continuation byte 0x80
	65	3.1.4 n "\x80\xbf\x80" - 3 80:bf:80 - unexpected continuation byte 0x80
	66	3.1.5 n "\x80\xbf\x80\xbf" - 4 80:bf:80:bf - unexpected continuation byte 0x80
	67	3.1.6 n "\x80\xbf\x80\xbf\x80" - 5 80:bf:80:bf:80 - unexpected continuation byte 0x80
	68	3.1.7 n "\x80\xbf\x80\xbf\x80\xbf" - 6 80:bf:80:bf:80:bf - unexpected continuation byte 0x80
	69	3.1.8 n "\x80\xbf\x80\xbf\x80\xbf\x80" - 7 80:bf:80:bf:80:bf:80 - unexpected continuation byte 0x80
	70	3.1.9 n "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf" - 64 80:81:82:83:84:85:86:87:88:89:8a:8b:8c:8d:8e:8f:90:91:92:93:94:95:96:97:98:99:9a:9b:9c:9d:9e:9f:a0:a1:a2:a3:a4:a5:a6:a7:a8:a9:aa:ab:ac:ad:ae:af:b0:b1:b2:b3:b4:b5:b6:b7:b8:b9:ba:bb:bc:bd:be:bf - unexpected continuation byte 0x80
a9917092	71	3.2 Lonely start characters
3b0e0cb6	72	3.2.1 n "\xc0 \xc1 \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 \xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf \xd0 \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 \xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf " - 64 c0:20:c1:20:c2:20:c3:20:c4:20:c5:20:c6:20:c7:20:c8:20:c9:20:ca:20:cb:20:cc:20:cd:20:ce:20:cf:20:d0:20:d1:20:d2:20:d3:20:d4:20:d5:20:d6:20:d7:20:d8:20:d9:20:da:20:db:20:dc:20:dd:20:de:20:df:20 - unexpected non-continuation byte 0x20 after start byte 0xc0
	73	3.2.2 n "\xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 \xe8 \xe9 \xea \xeb \xec \xed \xee \xef " - 32 e0:20:e1:20:e2:20:e3:20:e4:20:e5:20:e6:20:e7:20:e8:20:e9:20:ea:20:eb:20:ec:20:ed:20:ee:20:ef:20 - unexpected non-continuation byte 0x20 after start byte 0xe0
	74	3.2.3 n "\xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 " - 16 f0:20:f1:20:f2:20:f3:20:f4:20:f5:20:f6:20:f7:20 - unexpected non-continuation byte 0x20 after start byte 0xf0
	75	3.2.4 n "\xf8 \xf9 \xfa \xfb " - 8 f8:20:f9:20:fa:20:fb:20 - unexpected non-continuation byte 0x20 after start byte 0xf8
	76	3.2.5 n "\xfc \xfd " - 4 fc:20:fd:20 - unexpected non-continuation byte 0x20 after start byte 0xfc
a9917092	77	3.3 Sequences with last continuation byte missing
3b0e0cb6	78	3.3.1 n "\xc0" - 1 c0 - 1 byte, need 2
	79	3.3.2 n "\xe0\x80" - 2 e0:80 - 2 bytes, need 3
	80	3.3.3 n "\xf0\x80\x80" - 3 f0:80:80 - 3 bytes, need 4
	81	3.3.4 n "\xf8\x80\x80\x80" - 4 f8:80:80:80 - 4 bytes, need 5
	82	3.3.5 n "\xfc\x80\x80\x80\x80" - 5 fc:80:80:80:80 - 5 bytes, need 6
	83	3.3.6 n "\xdf" - 1 df - 1 byte, need 2
	84	3.3.7 n "\xef\xbf" - 2 ef:bf - 2 bytes, need 3
	85	3.3.8 n "\xf7\xbf\xbf" - 3 f7:bf:bf - 3 bytes, need 4
	86	3.3.9 n "\xfb\xbf\xbf\xbf" - 4 fb:bf:bf:bf - 4 bytes, need 5
	87	3.3.10 n "\xfd\xbf\xbf\xbf\xbf" - 5 fd:bf:bf:bf:bf - 5 bytes, need 6
a9917092	88	3.4 Concatenation of incomplete sequences
3b0e0cb6	89	3.4.1 n "\xc0\xe0\x80\xf0\x80\x80\xf8\x80\x80\x80\xfc\x80\x80\x80\x80\xdf\xef\xbf\xf7\xbf\xbf\xfb\xbf\xbf\xbf\xfd\xbf\xbf\xbf\xbf" - 30 c0:e0:80:f0:80:80:f8:80:80:80:fc:80:80:80:80:df:ef:bf:f7:bf:bf:fb:bf:bf:bf:fd:bf:bf:bf:bf - unexpected non-continuation byte 0xe0 after start byte 0xc0
a9917092	90	3.5 Impossible bytes
3b0e0cb6	91	3.5.1 n "\xfe" - 1 fe - byte 0xfe
	92	3.5.2 n "\xff" - 1 ff - byte 0xff
	93	3.5.3 n "\xfe\xfe\xff\xff" - 4 fe:fe:ff:ff - byte 0xfe
a9917092	94	4 Overlong sequences
a9917092	95	4.1 Examples of an overlong ASCII character
3b0e0cb6	96	4.1.1 n "\xc0\xaf" - 2 c0:af - 2 bytes, need 1
	97	4.1.2 n "\xe0\x80\xaf" - 3 e0:80:af - 3 bytes, need 1
	98	4.1.3 n "\xf0\x80\x80\xaf" - 4 f0:80:80:af - 4 bytes, need 1
	99	4.1.4 n "\xf8\x80\x80\x80\xaf" - 5 f8:80:80:80:af - 5 bytes, need 1
	100	4.1.5 n "\xfc\x80\x80\x80\x80\xaf" - 6 fc:80:80:80:80:af - 6 bytes, need 1
a9917092	101	4.2 Maximum overlong sequences
3b0e0cb6	102	4.2.1 n "\xc1\xbf" - 2 c1:bf - 2 bytes, need 1
	103	4.2.2 n "\xe0\x9f\xbf" - 3 e0:9f:bf - 3 bytes, need 2
	104	4.2.3 n "\xf0\x8f\xbf\xbf" - 4 f0:8f:bf:bf - 4 bytes, need 3
	105	4.2.4 n "\xf8\x87\xbf\xbf\xbf" - 5 f8:87:bf:bf:bf - 5 bytes, need 4
	106	4.2.5 n "\xfc\x83\xbf\xbf\xbf\xbf" - 6 fc:83:bf:bf:bf:bf - 6 bytes, need 5
a9917092	107	4.3 Overlong representation of the NUL character
3b0e0cb6	108	4.3.1 n "\xc0\x80" - 2 c0:80 - 2 bytes, need 1
	109	4.3.2 n "\xe0\x80\x80" - 3 e0:80:80 - 3 bytes, need 1
	110	4.3.3 n "\xf0\x80\x80\x80" - 4 f0:80:80:80 - 4 bytes, need 1
	111	4.3.4 n "\xf8\x80\x80\x80\x80" - 5 f8:80:80:80:80 - 5 bytes, need 1
	112	4.3.5 n "\xfc\x80\x80\x80\x80\x80" - 6 fc:80:80:80:80:80 - 6 bytes, need 1
a9917092	113	5 Illegal code positions
a9917092	114	5.1 Single UTF-16 surrogates
3b0e0cb6	115	5.1.1 n "\xed\xa0\x80" - 3 ed:a0:80 - UTF-16 surrogate 0xd800
	116	5.1.2 n "\xed\xad\xbf" - 3 ed:ad:bf - UTF-16 surrogate 0xdb7f
	117	5.1.3 n "\xed\xae\x80" - 3 ed:ae:80 - UTF-16 surrogate 0xdb80
	118	5.1.4 n "\xed\xaf\xbf" - 3 ed:af:bf - UTF-16 surrogate 0xdbff
	119	5.1.5 n "\xed\xb0\x80" - 3 ed:b0:80 - UTF-16 surrogate 0xdc00
	120	5.1.6 n "\xed\xbe\x80" - 3 ed:be:80 - UTF-16 surrogate 0xdf80
	121	5.1.7 n "\xed\xbf\xbf" - 3 ed:bf:bf - UTF-16 surrogate 0xdfff
a9917092	122	5.2 Paired UTF-16 surrogates
3b0e0cb6	123	5.2.1 n "\xed\xa0\x80\xed\xb0\x80" - 6 ed:a0:80:ed:b0:80 - UTF-16 surrogate 0xd800
	124	5.2.2 n "\xed\xa0\x80\xed\xbf\xbf" - 6 ed:a0:80:ed:bf:bf - UTF-16 surrogate 0xd800
	125	5.2.3 n "\xed\xad\xbf\xed\xb0\x80" - 6 ed:ad:bf:ed:b0:80 - UTF-16 surrogate 0xdb7f
	126	5.2.4 n "\xed\xad\xbf\xed\xbf\xbf" - 6 ed:ad:bf:ed:bf:bf - UTF-16 surrogate 0xdb7f
	127	5.2.5 n "\xed\xae\x80\xed\xb0\x80" - 6 ed:ae:80:ed:b0:80 - UTF-16 surrogate 0xdb80
	128	5.2.6 n "\xed\xae\x80\xed\xbf\xbf" - 6 ed:ae:80:ed:bf:bf - UTF-16 surrogate 0xdb80
	129	5.2.7 n "\xed\xaf\xbf\xed\xb0\x80" - 6 ed:af:bf:ed:b0:80 - UTF-16 surrogate 0xdbff
	130	5.2.8 n "\xed\xaf\xbf\xed\xbf\xbf" - 6 ed:af:bf:ed:bf:bf - UTF-16 surrogate 0xdbff
a9917092	131	5.3 Other illegal code positions
3b0e0cb6	132	5.3.1 n "\xef\xbf\xbe" - 3 ef:bf:be - byte order mark 0xfffe
a9917092	133	# The ffff is illegal unless UTF8_ALLOW_FFFF
3b0e0cb6	134	5.3.2 n "\xef\xbf\xbf" - 3 ef:bf:bf - character 0xffff
a9917092	135	__EOMK__
	136
	137	# 104..181
	138	{
a9917092	139	my $id;
a9917092	140
35bcd338	141	local $SIG{__WARN__} = sub {
	142	print "# $id: @_";
	143	$@ = "@_";
	144	};
a9917092	145
	146	sub moan {
	147	print "$id: @_";
	148	}
daf0f78e	149
35bcd338	150	sub warn_unpack_U {
	151	$@ = '';
	152	my @null = unpack('U0U*', $_[0]);
	153	return $@;
a9917092	154	}
	155
	156	for (@MK) {
	157	if (/^(?:\d+(?:\.\d+)?)\s/ \|\| /^#/) {
	158	# print "# $_\n";
	159	} elsif (/^(\d+\.\d+\.\d+[bu]?)\s+([yn])\s+"(.+)"\s+([0-9a-f]{1,8}\|-)\s+(\d+)\s+([0-9a-f]{2}(?::[0-9a-f]{2})*)(?:\s+((?:\d+\|-)(?:\s+(.+))?))?$/) {
	160	$id = $1;
35bcd338	161	my ($okay, $bytes, $Unicode, $byteslen, $hex, $charslen, $experr) =
a9917092	162	($2, $3, $4, $5, $6, $7, $8);
	163	my @hex = split(/:/, $hex);
	164	unless (@hex == $byteslen) {
	165	my $nhex = @hex;
	166	moan "amount of hex ($nhex) not equal to byteslen ($byteslen)\n";
	167	}
	168	{
	169	use bytes;
	170	my $bytesbyteslen = length($bytes);
	171	unless ($bytesbyteslen == $byteslen) {
	172	moan "bytes length() ($bytesbyteslen) not equal to $byteslen\n";
	173	}
	174	}
35bcd338	175	my $warn = warn_unpack_U($bytes);
a9917092	176	if ($okay eq 'y') {
35bcd338	177	if ($warn) {
35bcd338	178	moan "unpack('U0U*') false negative\n";
a9917092	179	print "not ";
	180	}
	181	} elsif ($okay eq 'n') {
35bcd338	182	if (not $warn \|\| ($experr ne '' && $warn !~ /$experr/)) {
35bcd338	183	moan "unpack('U0U*') false positive\n";
a9917092	184	print "not ";
	185	}
	186	}
35bcd338	187	print "ok $test # $id $okay\n";
a9917092	188	$test++;
	189	} else {
	190	moan "unknown format\n";
	191	}
	192	}
	193	}