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-rw-r--r--gnulib-tests/test-mbsrtowcs.c293
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diff --git a/gnulib-tests/test-mbsrtowcs.c b/gnulib-tests/test-mbsrtowcs.c
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+/* Test of conversion of string to wide string.
+ Copyright (C) 2008-2016 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
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2008. */
+
+#include <config.h>
+
+#include <wchar.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (mbsrtowcs, size_t, (wchar_t *, char const **, size_t,
+ mbstate_t *));
+
+#include <locale.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "macros.h"
+
+int
+main (int argc, char *argv[])
+{
+ mbstate_t state;
+ wchar_t wc;
+ size_t ret;
+
+ /* configure should already have checked that the locale is supported. */
+ if (setlocale (LC_ALL, "") == NULL)
+ return 1;
+
+ /* Test NUL byte input. */
+ {
+ const char *src;
+
+ memset (&state, '\0', sizeof (mbstate_t));
+
+ src = "";
+ ret = mbsrtowcs (NULL, &src, 0, &state);
+ ASSERT (ret == 0);
+ ASSERT (mbsinit (&state));
+
+ src = "";
+ ret = mbsrtowcs (NULL, &src, 1, &state);
+ ASSERT (ret == 0);
+ ASSERT (mbsinit (&state));
+
+ wc = (wchar_t) 0xBADFACE;
+ src = "";
+ ret = mbsrtowcs (&wc, &src, 0, &state);
+ ASSERT (ret == 0);
+ ASSERT (wc == (wchar_t) 0xBADFACE);
+ ASSERT (mbsinit (&state));
+
+ wc = (wchar_t) 0xBADFACE;
+ src = "";
+ ret = mbsrtowcs (&wc, &src, 1, &state);
+ ASSERT (ret == 0);
+ ASSERT (wc == 0);
+ ASSERT (mbsinit (&state));
+ }
+
+ if (argc > 1)
+ {
+ int unlimited;
+
+ for (unlimited = 0; unlimited < 2; unlimited++)
+ {
+ #define BUFSIZE 10
+ wchar_t buf[BUFSIZE];
+ const char *src;
+ mbstate_t temp_state;
+
+ {
+ size_t i;
+ for (i = 0; i < BUFSIZE; i++)
+ buf[i] = (wchar_t) 0xBADFACE;
+ }
+
+ switch (argv[1][0])
+ {
+ case '1':
+ /* Locale encoding is ISO-8859-1 or ISO-8859-15. */
+ {
+ char input[] = "B\374\337er"; /* "Büßer" */
+ memset (&state, '\0', sizeof (mbstate_t));
+
+ wc = (wchar_t) 0xBADFACE;
+ ret = mbrtowc (&wc, input, 1, &state);
+ ASSERT (ret == 1);
+ ASSERT (wc == 'B');
+ ASSERT (mbsinit (&state));
+ input[0] = '\0';
+
+ wc = (wchar_t) 0xBADFACE;
+ ret = mbrtowc (&wc, input + 1, 1, &state);
+ ASSERT (ret == 1);
+ ASSERT (wctob (wc) == (unsigned char) '\374');
+ ASSERT (mbsinit (&state));
+ input[1] = '\0';
+
+ src = input + 2;
+ temp_state = state;
+ ret = mbsrtowcs (NULL, &src, unlimited ? BUFSIZE : 1, &temp_state);
+ ASSERT (ret == 3);
+ ASSERT (src == input + 2);
+ ASSERT (mbsinit (&state));
+
+ src = input + 2;
+ ret = mbsrtowcs (buf, &src, unlimited ? BUFSIZE : 1, &state);
+ ASSERT (ret == (unlimited ? 3 : 1));
+ ASSERT (src == (unlimited ? NULL : input + 3));
+ ASSERT (wctob (buf[0]) == (unsigned char) '\337');
+ if (unlimited)
+ {
+ ASSERT (buf[1] == 'e');
+ ASSERT (buf[2] == 'r');
+ ASSERT (buf[3] == 0);
+ ASSERT (buf[4] == (wchar_t) 0xBADFACE);
+ }
+ else
+ ASSERT (buf[1] == (wchar_t) 0xBADFACE);
+ ASSERT (mbsinit (&state));
+ }
+ break;
+
+ case '2':
+ /* Locale encoding is UTF-8. */
+ {
+ char input[] = "B\303\274\303\237er"; /* "Büßer" */
+ memset (&state, '\0', sizeof (mbstate_t));
+
+ wc = (wchar_t) 0xBADFACE;
+ ret = mbrtowc (&wc, input, 1, &state);
+ ASSERT (ret == 1);
+ ASSERT (wc == 'B');
+ ASSERT (mbsinit (&state));
+ input[0] = '\0';
+
+ wc = (wchar_t) 0xBADFACE;
+ ret = mbrtowc (&wc, input + 1, 1, &state);
+ ASSERT (ret == (size_t)(-2));
+ ASSERT (wc == (wchar_t) 0xBADFACE);
+ ASSERT (!mbsinit (&state));
+ input[1] = '\0';
+
+ src = input + 2;
+ temp_state = state;
+ ret = mbsrtowcs (NULL, &src, unlimited ? BUFSIZE : 2, &temp_state);
+ ASSERT (ret == 4);
+ ASSERT (src == input + 2);
+ ASSERT (!mbsinit (&state));
+
+ src = input + 2;
+ ret = mbsrtowcs (buf, &src, unlimited ? BUFSIZE : 2, &state);
+ ASSERT (ret == (unlimited ? 4 : 2));
+ ASSERT (src == (unlimited ? NULL : input + 5));
+ ASSERT (wctob (buf[0]) == EOF);
+ ASSERT (wctob (buf[1]) == EOF);
+ if (unlimited)
+ {
+ ASSERT (buf[2] == 'e');
+ ASSERT (buf[3] == 'r');
+ ASSERT (buf[4] == 0);
+ ASSERT (buf[5] == (wchar_t) 0xBADFACE);
+ }
+ else
+ ASSERT (buf[2] == (wchar_t) 0xBADFACE);
+ ASSERT (mbsinit (&state));
+ }
+ break;
+
+ case '3':
+ /* Locale encoding is EUC-JP. */
+ {
+ char input[] = "<\306\374\313\334\270\354>"; /* "<日本語>" */
+ memset (&state, '\0', sizeof (mbstate_t));
+
+ wc = (wchar_t) 0xBADFACE;
+ ret = mbrtowc (&wc, input, 1, &state);
+ ASSERT (ret == 1);
+ ASSERT (wc == '<');
+ ASSERT (mbsinit (&state));
+ input[0] = '\0';
+
+ wc = (wchar_t) 0xBADFACE;
+ ret = mbrtowc (&wc, input + 1, 2, &state);
+ ASSERT (ret == 2);
+ ASSERT (wctob (wc) == EOF);
+ ASSERT (mbsinit (&state));
+ input[1] = '\0';
+ input[2] = '\0';
+
+ wc = (wchar_t) 0xBADFACE;
+ ret = mbrtowc (&wc, input + 3, 1, &state);
+ ASSERT (ret == (size_t)(-2));
+ ASSERT (wc == (wchar_t) 0xBADFACE);
+ ASSERT (!mbsinit (&state));
+ input[3] = '\0';
+
+ src = input + 4;
+ temp_state = state;
+ ret = mbsrtowcs (NULL, &src, unlimited ? BUFSIZE : 2, &temp_state);
+ ASSERT (ret == 3);
+ ASSERT (src == input + 4);
+ ASSERT (!mbsinit (&state));
+
+ src = input + 4;
+ ret = mbsrtowcs (buf, &src, unlimited ? BUFSIZE : 2, &state);
+ ASSERT (ret == (unlimited ? 3 : 2));
+ ASSERT (src == (unlimited ? NULL : input + 7));
+ ASSERT (wctob (buf[0]) == EOF);
+ ASSERT (wctob (buf[1]) == EOF);
+ if (unlimited)
+ {
+ ASSERT (buf[2] == '>');
+ ASSERT (buf[3] == 0);
+ ASSERT (buf[4] == (wchar_t) 0xBADFACE);
+ }
+ else
+ ASSERT (buf[2] == (wchar_t) 0xBADFACE);
+ ASSERT (mbsinit (&state));
+ }
+ break;
+
+ case '4':
+ /* Locale encoding is GB18030. */
+ {
+ char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */
+ memset (&state, '\0', sizeof (mbstate_t));
+
+ wc = (wchar_t) 0xBADFACE;
+ ret = mbrtowc (&wc, input, 1, &state);
+ ASSERT (ret == 1);
+ ASSERT (wc == 'B');
+ ASSERT (mbsinit (&state));
+ input[0] = '\0';
+
+ wc = (wchar_t) 0xBADFACE;
+ ret = mbrtowc (&wc, input + 1, 1, &state);
+ ASSERT (ret == (size_t)(-2));
+ ASSERT (wc == (wchar_t) 0xBADFACE);
+ ASSERT (!mbsinit (&state));
+ input[1] = '\0';
+
+ src = input + 2;
+ temp_state = state;
+ ret = mbsrtowcs (NULL, &src, unlimited ? BUFSIZE : 2, &temp_state);
+ ASSERT (ret == 4);
+ ASSERT (src == input + 2);
+ ASSERT (!mbsinit (&state));
+
+ src = input + 2;
+ ret = mbsrtowcs (buf, &src, unlimited ? BUFSIZE : 2, &state);
+ ASSERT (ret == (unlimited ? 4 : 2));
+ ASSERT (src == (unlimited ? NULL : input + 7));
+ ASSERT (wctob (buf[0]) == EOF);
+ ASSERT (wctob (buf[1]) == EOF);
+ if (unlimited)
+ {
+ ASSERT (buf[2] == 'e');
+ ASSERT (buf[3] == 'r');
+ ASSERT (buf[4] == 0);
+ ASSERT (buf[5] == (wchar_t) 0xBADFACE);
+ }
+ else
+ ASSERT (buf[2] == (wchar_t) 0xBADFACE);
+ ASSERT (mbsinit (&state));
+ }
+ break;
+
+ default:
+ return 1;
+ }
+ }
+
+ return 0;
+ }
+
+ return 1;
+}
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