kc3-lang/gnulib/tests/test-mbsnrtowcs.c
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Hash : 7b089321
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Date : 2025-01-01T09:24:36
maint: run 'make update-copyright'
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tests/test-mbsnrtowcs.c
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/* Test of conversion of string to wide string. Copyright (C) 2008-2025 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 <https://www.gnu.org/licenses/>. */ /* Written by Bruno Haible <bruno@clisp.org>, 2008. */ #include <config.h> #include <wchar.h> #include "signature.h" SIGNATURE_CHECK (mbsnrtowcs, size_t, (wchar_t *, char const **, size_t, 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 = mbsnrtowcs (NULL, &src, 1, 0, &state); ASSERT (ret == 0); ASSERT (mbsinit (&state)); src = ""; ret = mbsnrtowcs (NULL, &src, 1, 1, &state); ASSERT (ret == 0); ASSERT (mbsinit (&state)); wc = (wchar_t) 0xBADFACE; src = ""; ret = mbsnrtowcs (&wc, &src, 1, 0, &state); ASSERT (ret == 0); ASSERT (wc == (wchar_t) 0xBADFACE); ASSERT (mbsinit (&state)); wc = (wchar_t) 0xBADFACE; src = ""; ret = mbsnrtowcs (&wc, &src, 1, 1, &state); ASSERT (ret == 0); ASSERT (wc == 0); ASSERT (mbsinit (&state)); } #ifdef __ANDROID__ /* On Android ≥ 5.0, the default locale is the "C.UTF-8" locale, not the "C" locale. Furthermore, when you attempt to set the "C" or "POSIX" locale via setlocale(), what you get is a "C" locale with UTF-8 encoding, that is, effectively the "C.UTF-8" locale. */ if (argc > 1 && strcmp (argv[1], "1") == 0 && MB_CUR_MAX > 1) argv[1] = "3"; #endif 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': /* C or POSIX locale. */ { char input[] = "n/a"; memset (&state, '\0', sizeof (mbstate_t)); src = input; temp_state = state; ret = mbsnrtowcs (NULL, &src, 4, unlimited ? BUFSIZE : 1, &temp_state); ASSERT (ret == 3); ASSERT (src == input); ASSERT (mbsinit (&state)); src = input; ret = mbsnrtowcs (buf, &src, 4, unlimited ? BUFSIZE : 1, &state); ASSERT (ret == (unlimited ? 3 : 1)); ASSERT (src == (unlimited ? NULL : input + 1)); ASSERT (buf[0] == 'n'); if (unlimited) { ASSERT (buf[1] == '/'); ASSERT (buf[2] == 'a'); ASSERT (buf[3] == 0); ASSERT (buf[4] == (wchar_t) 0xBADFACE); } else ASSERT (buf[1] == (wchar_t) 0xBADFACE); ASSERT (mbsinit (&state)); } { int c; char input[2]; memset (&state, '\0', sizeof (mbstate_t)); for (c = 0; c < 0x100; c++) if (c != 0) { /* We are testing all nonnull bytes. */ input[0] = c; input[1] = '\0'; src = input; ret = mbsnrtowcs (NULL, &src, 2, unlimited ? BUFSIZE : 1, &state); ASSERT (ret == 1); ASSERT (src == input); ASSERT (mbsinit (&state)); buf[0] = buf[1] = (wchar_t) 0xBADFACE; src = input; ret = mbsnrtowcs (buf, &src, 2, unlimited ? BUFSIZE : 1, &state); /* POSIX:2018 says: "In the POSIX locale an [EILSEQ] error cannot occur since all byte values are valid characters." */ ASSERT (ret == 1); ASSERT (src == (unlimited ? NULL : input + 1)); if (c < 0x80) /* c is an ASCII character. */ ASSERT (buf[0] == c); else /* On most platforms, the bytes 0x80..0xFF map to U+0080..U+00FF. But on musl libc, the bytes 0x80..0xFF map to U+DF80..U+DFFF. */ ASSERT (buf[0] == (btowc (c) == 0xDF00 + c ? btowc (c) : c)); ASSERT (mbsinit (&state)); } } break; case '2': /* 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 = mbsnrtowcs (NULL, &src, 4, unlimited ? BUFSIZE : 1, &temp_state); ASSERT (ret == 3); ASSERT (src == input + 2); ASSERT (mbsinit (&state)); src = input + 2; ret = mbsnrtowcs (buf, &src, 4, 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 '3': /* 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 = mbsnrtowcs (NULL, &src, 6, unlimited ? BUFSIZE : 2, &temp_state); ASSERT (ret == 4); ASSERT (src == input + 2); ASSERT (!mbsinit (&state)); src = input + 2; ret = mbsnrtowcs (buf, &src, 6, 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 '4': /* 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 = mbsnrtowcs (NULL, &src, 5, unlimited ? BUFSIZE : 2, &temp_state); ASSERT (ret == 3); ASSERT (src == input + 4); ASSERT (!mbsinit (&state)); src = input + 4; ret = mbsnrtowcs (buf, &src, 5, 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 '5': /* 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 = mbsnrtowcs (NULL, &src, 8, unlimited ? BUFSIZE : 2, &temp_state); ASSERT (ret == 4); ASSERT (src == input + 2); ASSERT (!mbsinit (&state)); src = input + 2; ret = mbsnrtowcs (buf, &src, 8, 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 test_exit_status; } return 1; }