diff options
Diffstat (limited to 'tests/unistr/test-u8-mbtouc.c')
| -rw-r--r-- | tests/unistr/test-u8-mbtouc.c | 161 |
1 files changed, 160 insertions, 1 deletions
diff --git a/tests/unistr/test-u8-mbtouc.c b/tests/unistr/test-u8-mbtouc.c index f6960a68..9e3b9601 100644 --- a/tests/unistr/test-u8-mbtouc.c +++ b/tests/unistr/test-u8-mbtouc.c @@ -1,5 +1,5 @@ /* Test of u8_mbtouc() function. - Copyright (C) 2010 Free Software Foundation, Inc. + Copyright (C) 2010-2015 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,10 +24,169 @@ #include "test-u8-mbtouc.h" +static void +test_safe_function (int (*my_u8_mbtouc) (ucs4_t *, const uint8_t *, size_t)) +{ + ucs4_t uc; + int ret; + + /* Test behaviour required by ISO 10646-1, sections R.7 and 2.3c, namely, + that a "malformed sequence" is interpreted in the same way as + "a character that is outside the adopted subset". + Reference: + Markus Kuhn: UTF-8 decoder capability and stress test + <http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt> + <http://www.w3.org/2001/06/utf-8-wrong/UTF-8-test.html> + */ + /* 3.1. Test that each unexpected continuation byte is signalled as a + malformed sequence of its own. */ + { + static const uint8_t input[] = { '"', 0x80, 0xBF, 0x80, 0xBF, '"' }; + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input, 6); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 1, 5); + ASSERT (ret == 1); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 2, 4); + ASSERT (ret == 1); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 3, 3); + ASSERT (ret == 1); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 4, 2); + ASSERT (ret == 1); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 5, 1); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + } + /* 3.2. Lonely start characters. */ + { + ucs4_t c; + uint8_t input[2]; + + for (c = 0xC0; c <= 0xFF; c++) + { + input[0] = c; + input[1] = ' '; + + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input, 2); + ASSERT (ret == 1); + ASSERT (uc == 0xFFFD); + } + } + /* 3.3. Sequences with last continuation byte missing. */ + /* 3.3.1. 2-byte sequence with last byte missing. */ + { + static const uint8_t input[] = { '"', 0xC0, '"' }; + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input, 3); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 1, 2); + ASSERT (ret == 1); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 2, 1); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + } + /* 3.3.6. 2-byte sequence with last byte missing. */ + { + static const uint8_t input[] = { '"', 0xDF, '"' }; + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input, 3); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 1, 2); + ASSERT (ret == 1); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 2, 1); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + } + /* 3.3.2. 3-byte sequence with last byte missing. */ + { + static const uint8_t input[] = { '"', 0xE0, 0x80, '"' }; + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input, 4); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 1, 3); + ASSERT (ret == 2); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 3, 1); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + } + /* 3.3.7. 3-byte sequence with last byte missing. */ + { + static const uint8_t input[] = { '"', 0xEF, 0xBF, '"' }; + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input, 4); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 1, 3); + ASSERT (ret == 2); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 3, 1); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + } + /* 3.3.3. 4-byte sequence with last byte missing. */ + { + static const uint8_t input[] = { '"', 0xF0, 0x80, 0x80, '"' }; + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input, 5); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 1, 4); + ASSERT (ret == 3); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 4, 1); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + } + /* 3.3.8. 4-byte sequence with last byte missing. */ + { + static const uint8_t input[] = { '"', 0xF7, 0xBF, 0xBF, '"' }; + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input, 5); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 1, 4); + ASSERT (ret == 3); + ASSERT (uc == 0xFFFD); + uc = 0xBADFACE; + ret = my_u8_mbtouc (&uc, input + 4, 1); + ASSERT (ret == 1); + ASSERT (uc == 0x0022); + } +} + int main () { test_function (u8_mbtouc); + test_safe_function (u8_mbtouc); return 0; } |