| 1 | #!./perl
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| 2 |
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| 3 | BEGIN {
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| 4 | chdir 't' if -d 't';
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| 5 | @INC = '../lib';
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| 6 | }
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| 7 |
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| 8 | {
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| 9 | my $wide = v256;
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| 10 | use bytes;
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| 11 | my $ordwide = ord($wide);
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| 12 | printf "# under use bytes ord(v256) = 0x%02x\n", $ordwide;
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| 13 | if ($ordwide == 140) {
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| 14 | print "1..0 # Skip: UTF-EBCDIC (not UTF-8) used here\n";
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| 15 | exit 0;
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| 16 | }
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| 17 | elsif ($ordwide != 196) {
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| 18 | printf "# v256 starts with 0x%02x\n", $ordwide;
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| 19 | }
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| 20 | }
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| 21 |
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| 22 | no utf8;
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| 23 |
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| 24 | print "1..78\n";
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| 25 |
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| 26 | my $test = 1;
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| 27 |
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| 28 | # This table is based on Markus Kuhn's UTF-8 Decode Stress Tester,
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| 29 | # http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt,
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| 30 | # version dated 2000-09-02.
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| 31 |
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| 32 | # We use the \x notation instead of raw binary bytes for \x00-\x1f\x7f-\xff
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| 33 | # because e.g. many patch programs have issues with binary data.
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| 34 |
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| 35 | my @MK = split(/\n/, <<__EOMK__);
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| 36 | 1 Correct UTF-8
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| 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
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| 38 | 2 Boundary conditions
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| 39 | 2.1 First possible sequence of certain length
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| 40 | 2.1.1 y "\x00" 0 1 00 1
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| 41 | 2.1.2 y "\xc2\x80" 80 2 c2:80 1
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| 42 | 2.1.3 y "\xe0\xa0\x80" 800 3 e0:a0:80 1
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| 43 | 2.1.4 y "\xf0\x90\x80\x80" 10000 4 f0:90:80:80 1
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| 44 | 2.1.5 y "\xf8\x88\x80\x80\x80" 200000 5 f8:88:80:80:80 1
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| 45 | 2.1.6 y "\xfc\x84\x80\x80\x80\x80" 4000000 6 fc:84:80:80:80:80 1
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| 46 | 2.2 Last possible sequence of certain length
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| 47 | 2.2.1 y "\x7f" 7f 1 7f 1
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| 48 | 2.2.2 y "\xdf\xbf" 7ff 2 df:bf 1
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| 49 | # The ffff is illegal unless UTF8_ALLOW_FFFF
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| 50 | 2.2.3 n "\xef\xbf\xbf" ffff 3 ef:bf:bf 1 character 0xffff
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| 51 | 2.2.4 y "\xf7\xbf\xbf\xbf" 1fffff 4 f7:bf:bf:bf 1
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| 52 | 2.2.5 y "\xfb\xbf\xbf\xbf\xbf" 3ffffff 5 fb:bf:bf:bf:bf 1
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| 53 | 2.2.6 y "\xfd\xbf\xbf\xbf\xbf\xbf" 7fffffff 6 fd:bf:bf:bf:bf:bf 1
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| 54 | 2.3 Other boundary conditions
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| 55 | 2.3.1 y "\xed\x9f\xbf" d7ff 3 ed:9f:bf 1
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| 56 | 2.3.2 y "\xee\x80\x80" e000 3 ee:80:80 1
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| 57 | 2.3.3 y "\xef\xbf\xbd" fffd 3 ef:bf:bd 1
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| 58 | 2.3.4 y "\xf4\x8f\xbf\xbf" 10ffff 4 f4:8f:bf:bf 1
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| 59 | 2.3.5 y "\xf4\x90\x80\x80" 110000 4 f4:90:80:80 1
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| 60 | 3 Malformed sequences
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| 61 | 3.1 Unexpected continuation bytes
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| 62 | 3.1.1 n "\x80" - 1 80 - unexpected continuation byte 0x80
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| 63 | 3.1.2 n "\xbf" - 1 bf - unexpected continuation byte 0xbf
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| 64 | 3.1.3 n "\x80\xbf" - 2 80:bf - unexpected continuation byte 0x80
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| 65 | 3.1.4 n "\x80\xbf\x80" - 3 80:bf:80 - unexpected continuation byte 0x80
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| 66 | 3.1.5 n "\x80\xbf\x80\xbf" - 4 80:bf:80:bf - unexpected continuation byte 0x80
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| 67 | 3.1.6 n "\x80\xbf\x80\xbf\x80" - 5 80:bf:80:bf:80 - unexpected continuation byte 0x80
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| 68 | 3.1.7 n "\x80\xbf\x80\xbf\x80\xbf" - 6 80:bf:80:bf:80:bf - unexpected continuation byte 0x80
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| 69 | 3.1.8 n "\x80\xbf\x80\xbf\x80\xbf\x80" - 7 80:bf:80:bf:80:bf:80 - unexpected continuation byte 0x80
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| 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
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| 71 | 3.2 Lonely start characters
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| 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
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| 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
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| 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
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| 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
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| 76 | 3.2.5 n "\xfc \xfd " - 4 fc:20:fd:20 - unexpected non-continuation byte 0x20 after start byte 0xfc
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| 77 | 3.3 Sequences with last continuation byte missing
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| 78 | 3.3.1 n "\xc0" - 1 c0 - 1 byte, need 2
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| 79 | 3.3.2 n "\xe0\x80" - 2 e0:80 - 2 bytes, need 3
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| 80 | 3.3.3 n "\xf0\x80\x80" - 3 f0:80:80 - 3 bytes, need 4
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| 81 | 3.3.4 n "\xf8\x80\x80\x80" - 4 f8:80:80:80 - 4 bytes, need 5
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| 82 | 3.3.5 n "\xfc\x80\x80\x80\x80" - 5 fc:80:80:80:80 - 5 bytes, need 6
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| 83 | 3.3.6 n "\xdf" - 1 df - 1 byte, need 2
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| 84 | 3.3.7 n "\xef\xbf" - 2 ef:bf - 2 bytes, need 3
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| 85 | 3.3.8 n "\xf7\xbf\xbf" - 3 f7:bf:bf - 3 bytes, need 4
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| 86 | 3.3.9 n "\xfb\xbf\xbf\xbf" - 4 fb:bf:bf:bf - 4 bytes, need 5
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| 87 | 3.3.10 n "\xfd\xbf\xbf\xbf\xbf" - 5 fd:bf:bf:bf:bf - 5 bytes, need 6
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| 88 | 3.4 Concatenation of incomplete sequences
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| 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
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| 90 | 3.5 Impossible bytes
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| 91 | 3.5.1 n "\xfe" - 1 fe - byte 0xfe
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| 92 | 3.5.2 n "\xff" - 1 ff - byte 0xff
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| 93 | 3.5.3 n "\xfe\xfe\xff\xff" - 4 fe:fe:ff:ff - byte 0xfe
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| 94 | 4 Overlong sequences
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| 95 | 4.1 Examples of an overlong ASCII character
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| 96 | 4.1.1 n "\xc0\xaf" - 2 c0:af - 2 bytes, need 1
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| 97 | 4.1.2 n "\xe0\x80\xaf" - 3 e0:80:af - 3 bytes, need 1
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| 98 | 4.1.3 n "\xf0\x80\x80\xaf" - 4 f0:80:80:af - 4 bytes, need 1
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| 99 | 4.1.4 n "\xf8\x80\x80\x80\xaf" - 5 f8:80:80:80:af - 5 bytes, need 1
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| 100 | 4.1.5 n "\xfc\x80\x80\x80\x80\xaf" - 6 fc:80:80:80:80:af - 6 bytes, need 1
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| 101 | 4.2 Maximum overlong sequences
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| 102 | 4.2.1 n "\xc1\xbf" - 2 c1:bf - 2 bytes, need 1
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| 103 | 4.2.2 n "\xe0\x9f\xbf" - 3 e0:9f:bf - 3 bytes, need 2
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| 104 | 4.2.3 n "\xf0\x8f\xbf\xbf" - 4 f0:8f:bf:bf - 4 bytes, need 3
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| 105 | 4.2.4 n "\xf8\x87\xbf\xbf\xbf" - 5 f8:87:bf:bf:bf - 5 bytes, need 4
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| 106 | 4.2.5 n "\xfc\x83\xbf\xbf\xbf\xbf" - 6 fc:83:bf:bf:bf:bf - 6 bytes, need 5
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| 107 | 4.3 Overlong representation of the NUL character
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| 108 | 4.3.1 n "\xc0\x80" - 2 c0:80 - 2 bytes, need 1
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| 109 | 4.3.2 n "\xe0\x80\x80" - 3 e0:80:80 - 3 bytes, need 1
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| 110 | 4.3.3 n "\xf0\x80\x80\x80" - 4 f0:80:80:80 - 4 bytes, need 1
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| 111 | 4.3.4 n "\xf8\x80\x80\x80\x80" - 5 f8:80:80:80:80 - 5 bytes, need 1
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| 112 | 4.3.5 n "\xfc\x80\x80\x80\x80\x80" - 6 fc:80:80:80:80:80 - 6 bytes, need 1
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| 113 | 5 Illegal code positions
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| 114 | 5.1 Single UTF-16 surrogates
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| 115 | 5.1.1 n "\xed\xa0\x80" - 3 ed:a0:80 - UTF-16 surrogate 0xd800
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| 116 | 5.1.2 n "\xed\xad\xbf" - 3 ed:ad:bf - UTF-16 surrogate 0xdb7f
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| 117 | 5.1.3 n "\xed\xae\x80" - 3 ed:ae:80 - UTF-16 surrogate 0xdb80
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| 118 | 5.1.4 n "\xed\xaf\xbf" - 3 ed:af:bf - UTF-16 surrogate 0xdbff
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| 119 | 5.1.5 n "\xed\xb0\x80" - 3 ed:b0:80 - UTF-16 surrogate 0xdc00
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| 120 | 5.1.6 n "\xed\xbe\x80" - 3 ed:be:80 - UTF-16 surrogate 0xdf80
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| 121 | 5.1.7 n "\xed\xbf\xbf" - 3 ed:bf:bf - UTF-16 surrogate 0xdfff
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| 122 | 5.2 Paired UTF-16 surrogates
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| 123 | 5.2.1 n "\xed\xa0\x80\xed\xb0\x80" - 6 ed:a0:80:ed:b0:80 - UTF-16 surrogate 0xd800
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| 124 | 5.2.2 n "\xed\xa0\x80\xed\xbf\xbf" - 6 ed:a0:80:ed:bf:bf - UTF-16 surrogate 0xd800
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| 125 | 5.2.3 n "\xed\xad\xbf\xed\xb0\x80" - 6 ed:ad:bf:ed:b0:80 - UTF-16 surrogate 0xdb7f
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| 126 | 5.2.4 n "\xed\xad\xbf\xed\xbf\xbf" - 6 ed:ad:bf:ed:bf:bf - UTF-16 surrogate 0xdb7f
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| 127 | 5.2.5 n "\xed\xae\x80\xed\xb0\x80" - 6 ed:ae:80:ed:b0:80 - UTF-16 surrogate 0xdb80
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| 128 | 5.2.6 n "\xed\xae\x80\xed\xbf\xbf" - 6 ed:ae:80:ed:bf:bf - UTF-16 surrogate 0xdb80
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| 129 | 5.2.7 n "\xed\xaf\xbf\xed\xb0\x80" - 6 ed:af:bf:ed:b0:80 - UTF-16 surrogate 0xdbff
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| 130 | 5.2.8 n "\xed\xaf\xbf\xed\xbf\xbf" - 6 ed:af:bf:ed:bf:bf - UTF-16 surrogate 0xdbff
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| 131 | 5.3 Other illegal code positions
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| 132 | 5.3.1 n "\xef\xbf\xbe" - 3 ef:bf:be - byte order mark 0xfffe
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| 133 | # The ffff is illegal unless UTF8_ALLOW_FFFF
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| 134 | 5.3.2 n "\xef\xbf\xbf" - 3 ef:bf:bf - character 0xffff
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| 135 | __EOMK__
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| 136 |
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| 137 | # 104..181
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| 138 | {
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| 139 | my $id;
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| 140 |
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| 141 | local $SIG{__WARN__} = sub {
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| 142 | print "# $id: @_";
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| 143 | $@ = "@_";
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| 144 | };
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| 145 |
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| 146 | sub moan {
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| 147 | print "$id: @_";
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| 148 | }
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| 149 |
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| 150 | sub warn_unpack_U {
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| 151 | $@ = '';
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| 152 | my @null = unpack('U0U*', $_[0]);
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| 153 | return $@;
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| 154 | }
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| 155 |
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| 156 | for (@MK) {
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| 157 | if (/^(?:\d+(?:\.\d+)?)\s/ || /^#/) {
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| 158 | # print "# $_\n";
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| 159 | } elsif (/^(\d+\.\d+\.\d+[bu]?)\s+([yn])\s+"(.+)"\s+([0-9a-f]{1,8}|-)\s+(\d+)\s+([0-9a-f]{2}(?::[0-9a-f]{2})*)(?:\s+((?:\d+|-)(?:\s+(.+))?))?$/) {
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| 160 | $id = $1;
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| 161 | my ($okay, $bytes, $Unicode, $byteslen, $hex, $charslen, $experr) =
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| 162 | ($2, $3, $4, $5, $6, $7, $8);
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| 163 | my @hex = split(/:/, $hex);
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| 164 | unless (@hex == $byteslen) {
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| 165 | my $nhex = @hex;
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| 166 | moan "amount of hex ($nhex) not equal to byteslen ($byteslen)\n";
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| 167 | }
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| 168 | {
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| 169 | use bytes;
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| 170 | my $bytesbyteslen = length($bytes);
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| 171 | unless ($bytesbyteslen == $byteslen) {
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| 172 | moan "bytes length() ($bytesbyteslen) not equal to $byteslen\n";
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| 173 | }
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| 174 | }
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| 175 | my $warn = warn_unpack_U($bytes);
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| 176 | if ($okay eq 'y') {
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| 177 | if ($warn) {
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| 178 | moan "unpack('U0U*') false negative\n";
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| 179 | print "not ";
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| 180 | }
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| 181 | } elsif ($okay eq 'n') {
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| 182 | if (not $warn || ($experr ne '' && $warn !~ /$experr/)) {
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| 183 | moan "unpack('U0U*') false positive\n";
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| 184 | print "not ";
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| 185 | }
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| 186 | }
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| 187 | print "ok $test # $id $okay\n";
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| 188 | $test++;
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| 189 | } else {
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| 190 | moan "unknown format\n";
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| 191 | }
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| 192 | }
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| 193 | }
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