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119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/* Testing ucs4le_internal_loop() in gconv_simple.c.
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Copyright (C) 2016-2020 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 <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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#include <endian.h>
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static int
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do_test (void)
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{
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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 result = 0;
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#if __BYTE_ORDER == __BIG_ENDIAN
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/* On big-endian machines, ucs4le_internal_loop() swaps the bytes before
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error checking. Thus the input values has to be swapped. */
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# define VALUE(val) bswap_32 (val)
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#else
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# define VALUE(val) val
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#endif
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uint32_t inbuf[3] = { VALUE (0x41), VALUE (0x80000000), VALUE (0x42) };
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uint32_t outbuf[3] = { 0, 0, 0 };
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cd = iconv_open ("WCHAR_T", "UCS-4LE");
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if (cd == (iconv_t) -1)
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{
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printf ("cannot convert from UCS4LE to wchar_t: %m\n");
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return 1;
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}
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inptr = (char *) inbuf;
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inlen = sizeof (inbuf);
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outptr = (char *) outbuf;
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outlen = sizeof (outbuf);
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n = iconv (cd, &inptr, &inlen, &outptr, &outlen);
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e = errno;
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if (n != (size_t) -1)
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{
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printf ("incorrect iconv() return value: %zd, expected -1\n", n);
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result = 1;
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}
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if (e != EILSEQ)
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{
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printf ("incorrect error value: %s, expected %s\n",
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strerror (e), strerror (EILSEQ));
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result = 1;
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}
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if (inptr != (char *) &inbuf[1])
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{
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printf ("inptr=0x%p does not point to invalid character! Expected=0x%p\n"
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, inptr, &inbuf[1]);
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result = 1;
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}
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if (inlen != sizeof (inbuf) - sizeof (uint32_t))
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{
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printf ("inlen=%zd != %zd\n"
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, inlen, sizeof (inbuf) - sizeof (uint32_t));
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result = 1;
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}
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if (outptr != (char *) &outbuf[1])
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{
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printf ("outptr=0x%p does not point to invalid character in inbuf! "
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"Expected=0x%p\n"
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, outptr, &outbuf[1]);
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result = 1;
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}
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if (outlen != sizeof (inbuf) - sizeof (uint32_t))
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{
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printf ("outlen=%zd != %zd\n"
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, outlen, sizeof (outbuf) - sizeof (uint32_t));
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result = 1;
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}
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if (outbuf[0] != 0x41 || outbuf[1] != 0 || outbuf[2] != 0)
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{
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puts ("Characters conversion is incorrect!");
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result = 1;
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}
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iconv_close (cd);
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return result;
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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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