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264 lines
9.5 KiB
C
264 lines
9.5 KiB
C
/* bug 19727: Testing UTF conversions with UTF16 surrogates as input.
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Copyright (C) 2016-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <inttypes.h>
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#include <iconv.h>
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#include <byteswap.h>
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static int
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run_conversion (const char *from, const char *to, char *inbuf, size_t inbuflen,
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int exp_errno, int line)
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{
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char outbuf[16];
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iconv_t cd;
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char *inptr;
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size_t inlen;
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char *outptr;
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size_t outlen;
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size_t n;
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int e;
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int fails = 0;
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cd = iconv_open (to, from);
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if (cd == (iconv_t) -1)
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{
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printf ("line %d: cannot convert from %s to %s: %m\n", line, from, to);
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return 1;
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}
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inptr = (char *) inbuf;
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inlen = inbuflen;
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outptr = outbuf;
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outlen = sizeof (outbuf);
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errno = 0;
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n = iconv (cd, &inptr, &inlen, &outptr, &outlen);
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e = errno;
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if (exp_errno == 0)
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{
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if (n == (size_t) -1)
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{
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puts ("n should be >= 0, but n == -1");
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fails ++;
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}
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if (e != 0)
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{
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printf ("errno should be 0: 'Success', but errno == %d: '%s'\n"
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, e, strerror(e));
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fails ++;
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}
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}
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else
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{
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if (n != (size_t) -1)
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{
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printf ("n should be -1, but n == %zd\n", n);
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fails ++;
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}
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if (e != exp_errno)
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{
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printf ("errno should be %d: '%s', but errno == %d: '%s'\n"
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, exp_errno, strerror (exp_errno), e, strerror (e));
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fails ++;
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}
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}
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iconv_close (cd);
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if (fails > 0)
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{
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printf ("Errors in line %d while converting %s to %s.\n\n"
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, line, from, to);
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}
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return fails;
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}
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static int
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do_test (void)
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{
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int fails = 0;
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char buf[4];
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/* This test runs iconv() with UTF character in range of an UTF16 surrogate.
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UTF-16 high surrogate is in range 0xD800..0xDBFF and
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UTF-16 low surrogate is in range 0xDC00..0xDFFF.
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Converting from or to UTF-xx has to report errors in those cases.
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In UTF-16, surrogate pairs with a high surrogate in front of a low
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surrogate is valid. */
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/* Use RUN_UCS4_UTF32_INPUT to test conversion ...
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... from INTERNAL to UTF-xx[LE|BE]:
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Converting from UCS4 to UTF-xx[LE|BE] first converts UCS4 to INTERNAL
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without checking for UTF-16 surrogate values
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and then converts from INTERNAL to UTF-xx[LE|BE].
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The latter conversion has to report an error in those cases.
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... from UTF-32[LE|BE] to INTERNAL:
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Converting directly from UTF-32LE to UTF-8|16 is needed,
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because e.g. s390x has iconv-modules which converts directly. */
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#define RUN_UCS4_UTF32_INPUT(b0, b1, b2, b3, err, line) \
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buf[0] = b0; \
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buf[1] = b1; \
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buf[2] = b2; \
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buf[3] = b3; \
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fails += run_conversion ("UCS4", "UTF-8", buf, 4, err, line); \
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fails += run_conversion ("UCS4", "UTF-16LE", buf, 4, err, line); \
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fails += run_conversion ("UCS4", "UTF-16BE", buf, 4, err, line); \
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fails += run_conversion ("UCS4", "UTF-32LE", buf, 4, err, line); \
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fails += run_conversion ("UCS4", "UTF-32BE", buf, 4, err, line); \
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fails += run_conversion ("UTF-32BE", "WCHAR_T", buf, 4, err, line); \
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fails += run_conversion ("UTF-32BE", "UTF-8", buf, 4, err, line); \
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fails += run_conversion ("UTF-32BE", "UTF-16LE", buf, 4, err, line); \
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fails += run_conversion ("UTF-32BE", "UTF-16BE", buf, 4, err, line); \
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buf[0] = b3; \
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buf[1] = b2; \
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buf[2] = b1; \
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buf[3] = b0; \
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fails += run_conversion ("UTF-32LE", "WCHAR_T", buf, 4, err, line); \
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fails += run_conversion ("UTF-32LE", "UTF-8", buf, 4, err, line); \
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fails += run_conversion ("UTF-32LE", "UTF-16LE", buf, 4, err, line); \
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fails += run_conversion ("UTF-32LE", "UTF-16BE", buf, 4, err, line);
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/* Use UCS4/UTF32 input of 0xD7FF. */
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RUN_UCS4_UTF32_INPUT (0x0, 0x0, 0xD7, 0xFF, 0, __LINE__);
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/* Use UCS4/UTF32 input of 0xD800. */
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RUN_UCS4_UTF32_INPUT (0x0, 0x0, 0xD8, 0x00, EILSEQ, __LINE__);
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/* Use UCS4/UTF32 input of 0xDBFF. */
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RUN_UCS4_UTF32_INPUT (0x0, 0x0, 0xDB, 0xFF, EILSEQ, __LINE__);
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/* Use UCS4/UTF32 input of 0xDC00. */
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RUN_UCS4_UTF32_INPUT (0x0, 0x0, 0xDC, 0x00, EILSEQ, __LINE__);
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/* Use UCS4/UTF32 input of 0xDFFF. */
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RUN_UCS4_UTF32_INPUT (0x0, 0x0, 0xDF, 0xFF, EILSEQ, __LINE__);
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/* Use UCS4/UTF32 input of 0xE000. */
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RUN_UCS4_UTF32_INPUT (0x0, 0x0, 0xE0, 0x00, 0, __LINE__);
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/* Use RUN_UTF16_INPUT to test conversion from UTF16[LE|BE] to INTERNAL.
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Converting directly from UTF-16 to UTF-8|32 is needed,
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because e.g. s390x has iconv-modules which converts directly.
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Use len == 2 or 4 to specify one or two UTF-16 characters. */
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#define RUN_UTF16_INPUT(b0, b1, b2, b3, len, err, line) \
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buf[0] = b0; \
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buf[1] = b1; \
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buf[2] = b2; \
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buf[3] = b3; \
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fails += run_conversion ("UTF-16BE", "WCHAR_T", buf, len, err, line); \
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fails += run_conversion ("UTF-16BE", "UTF-8", buf, len, err, line); \
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fails += run_conversion ("UTF-16BE", "UTF-32LE", buf, len, err, line); \
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fails += run_conversion ("UTF-16BE", "UTF-32BE", buf, len, err, line); \
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buf[0] = b1; \
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buf[1] = b0; \
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buf[2] = b3; \
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buf[3] = b2; \
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fails += run_conversion ("UTF-16LE", "WCHAR_T", buf, len, err, line); \
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fails += run_conversion ("UTF-16LE", "UTF-8", buf, len, err, line); \
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fails += run_conversion ("UTF-16LE", "UTF-32LE", buf, len, err, line); \
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fails += run_conversion ("UTF-16LE", "UTF-32BE", buf, len, err, line);
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/* Use UTF16 input of 0xD7FF. */
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RUN_UTF16_INPUT (0xD7, 0xFF, 0xD7, 0xFF, 4, 0, __LINE__);
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/* Use [single] UTF16 high surrogate 0xD800 [with a valid character behind].
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And check an UTF16 surrogate pair [without valid low surrogate]. */
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RUN_UTF16_INPUT (0xD8, 0x0, 0x0, 0x0, 2, EINVAL, __LINE__);
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RUN_UTF16_INPUT (0xD8, 0x0, 0xD7, 0xFF, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xD8, 0x0, 0xD8, 0x0, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xD8, 0x0, 0xE0, 0x0, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xD8, 0x0, 0xDC, 0x0, 4, 0, __LINE__);
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/* Use [single] UTF16 high surrogate 0xDBFF [with a valid character behind].
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And check an UTF16 surrogate pair [without valid low surrogate]. */
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RUN_UTF16_INPUT (0xDB, 0xFF, 0x0, 0x0, 2, EINVAL, __LINE__);
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RUN_UTF16_INPUT (0xDB, 0xFF, 0xD7, 0xFF, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xDB, 0xFF, 0xDB, 0xFF, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xDB, 0xFF, 0xE0, 0x0, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xDB, 0xFF, 0xDF, 0xFF, 4, 0, __LINE__);
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/* Use single UTF16 low surrogate 0xDC00 [with a valid character behind].
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And check an UTF16 surrogate pair [without valid high surrogate]. */
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RUN_UTF16_INPUT (0xDC, 0x0, 0x0, 0x0, 2, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xDC, 0x0, 0xD7, 0xFF, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xD8, 0x0, 0xDC, 0x0, 4, 0, __LINE__);
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RUN_UTF16_INPUT (0xD7, 0xFF, 0xDC, 0x0, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xDC, 0x0, 0xDC, 0x0, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xE0, 0x0, 0xDC, 0x0, 4, EILSEQ, __LINE__);
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/* Use single UTF16 low surrogate 0xDFFF [with a valid character behind].
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And check an UTF16 surrogate pair [without valid high surrogate]. */
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RUN_UTF16_INPUT (0xDF, 0xFF, 0x0, 0x0, 2, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xDF, 0xFF, 0xD7, 0xFF, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xDB, 0xFF, 0xDF, 0xFF, 4, 0, __LINE__);
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RUN_UTF16_INPUT (0xD7, 0xFF, 0xDF, 0xFF, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xDF, 0xFF, 0xDF, 0xFF, 4, EILSEQ, __LINE__);
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RUN_UTF16_INPUT (0xE0, 0x0, 0xDF, 0xFF, 4, EILSEQ, __LINE__);
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/* Use UCS4/UTF32 input of 0xE000. */
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RUN_UTF16_INPUT (0xE0, 0x0, 0xE0, 0x0, 4, 0, __LINE__);
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/* Use RUN_UTF8_3BYTE_INPUT to test conversion from UTF-8 to INTERNAL.
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Converting directly from UTF-8 to UTF-16|32 is needed,
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because e.g. s390x has iconv-modules which converts directly. */
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#define RUN_UTF8_3BYTE_INPUT(b0, b1, b2, err, line) \
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buf[0] = b0; \
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buf[1] = b1; \
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buf[2] = b2; \
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fails += run_conversion ("UTF-8", "WCHAR_T", buf, 3, err, line); \
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fails += run_conversion ("UTF-8", "UTF-16LE", buf, 3, err, line); \
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fails += run_conversion ("UTF-8", "UTF-16BE", buf, 3, err, line); \
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fails += run_conversion ("UTF-8", "UTF-32LE", buf, 3, err, line); \
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fails += run_conversion ("UTF-8", "UTF-32BE", buf, 3, err, line);
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/* Use UTF-8 input of 0xD7FF. */
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RUN_UTF8_3BYTE_INPUT (0xED, 0x9F, 0xBF, 0, __LINE__);
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/* Use UTF-8 input of 0xD800. */
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RUN_UTF8_3BYTE_INPUT (0xED, 0xA0, 0x80, EILSEQ, __LINE__);
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/* Use UTF-8 input of 0xDBFF. */
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RUN_UTF8_3BYTE_INPUT (0xED, 0xAF, 0xBF, EILSEQ, __LINE__);
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/* Use UTF-8 input of 0xDC00. */
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RUN_UTF8_3BYTE_INPUT (0xED, 0xB0, 0x80, EILSEQ, __LINE__);
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/* Use UTF-8 input of 0xDFFF. */
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RUN_UTF8_3BYTE_INPUT (0xED, 0xBF, 0xBF, EILSEQ, __LINE__);
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/* Use UTF-8 input of 0xF000. */
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RUN_UTF8_3BYTE_INPUT (0xEF, 0x80, 0x80, 0, __LINE__);
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return fails > 0 ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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