New upstream version 1.2upstream/1.2

1 files changed, 441 insertions, 0 deletions

diff --git a/tests/test-mbrtoc32.c b/tests/test-mbrtoc32.c
new file mode 100644
index 00000000..6fffb2a7
--- /dev/null
+++ b/tests/test-mbrtoc32.c
@@ -0,0 +1,441 @@
+/* Test of conversion of multibyte character to 32-bit wide character.
+   Copyright (C) 2008-2024 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 <uchar.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (mbrtoc32, size_t,
+                 (char32_t *, const char *, size_t, mbstate_t *));
+
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+
+#include "macros.h"
+
+int
+main (int argc, char *argv[])
+{
+  mbstate_t state;
+  char32_t wc;
+  size_t ret;
+
+  /* configure should already have checked that the locale is supported.  */
+  if (setlocale (LC_ALL, "") == NULL)
+    return 1;
+
+  /* Test zero-length input.  */
+  {
+    memset (&state, '\0', sizeof (mbstate_t));
+    wc = (char32_t) 0xBADFACE;
+    ret = mbrtoc32 (&wc, "x", 0, &state);
+    ASSERT (ret == (size_t)(-2));
+    ASSERT (mbsinit (&state));
+  }
+
+  /* Test NUL byte input.  */
+  {
+    memset (&state, '\0', sizeof (mbstate_t));
+    wc = (char32_t) 0xBADFACE;
+    ret = mbrtoc32 (&wc, "", 1, &state);
+    ASSERT (ret == 0);
+    ASSERT (wc == 0);
+    ASSERT (mbsinit (&state));
+    ret = mbrtoc32 (NULL, "", 1, &state);
+    ASSERT (ret == 0);
+    ASSERT (mbsinit (&state));
+  }
+
+  /* Test single-byte input.  */
+  {
+    int c;
+    char buf[1];
+
+    memset (&state, '\0', sizeof (mbstate_t));
+    for (c = 0; c < 0x100; c++)
+      switch (c)
+        {
+        case '\t': case '\v': case '\f':
+        case ' ': case '!': case '"': case '#': case '%':
+        case '&': case '\'': case '(': case ')': case '*':
+        case '+': case ',': case '-': case '.': case '/':
+        case '0': case '1': case '2': case '3': case '4':
+        case '5': case '6': case '7': case '8': case '9':
+        case ':': case ';': case '<': case '=': case '>':
+        case '?':
+        case 'A': case 'B': case 'C': case 'D': case 'E':
+        case 'F': case 'G': case 'H': case 'I': case 'J':
+        case 'K': case 'L': case 'M': case 'N': case 'O':
+        case 'P': case 'Q': case 'R': case 'S': case 'T':
+        case 'U': case 'V': case 'W': case 'X': case 'Y':
+        case 'Z':
+        case '[': case '\\': case ']': case '^': case '_':
+        case 'a': case 'b': case 'c': case 'd': case 'e':
+        case 'f': case 'g': case 'h': case 'i': case 'j':
+        case 'k': case 'l': case 'm': case 'n': case 'o':
+        case 'p': case 'q': case 'r': case 's': case 't':
+        case 'u': case 'v': case 'w': case 'x': case 'y':
+        case 'z': case '{': case '|': case '}': case '~':
+          /* c is in the ISO C "basic character set".  */
+          ASSERT (c < 0x80);
+          /* c is an ASCII character.  */
+          buf[0] = c;
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, buf, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == c);
+          ASSERT (mbsinit (&state));
+
+          ret = mbrtoc32 (NULL, buf, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (mbsinit (&state));
+
+          break;
+        default:
+          break;
+        }
+  }
+
+  /* Test special calling convention, passing a NULL pointer.  */
+  {
+    memset (&state, '\0', sizeof (mbstate_t));
+    wc = (char32_t) 0xBADFACE;
+    ret = mbrtoc32 (&wc, NULL, 5, &state);
+    ASSERT (ret == 0);
+    ASSERT (wc == (char32_t) 0xBADFACE);
+    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)
+    switch (argv[1][0])
+      {
+      case '1':
+        /* C or POSIX locale.  */
+        {
+          int c;
+          char buf[1];
+
+          memset (&state, '\0', sizeof (mbstate_t));
+          for (c = 0; c < 0x100; c++)
+            if (c != 0)
+              {
+                /* We are testing all nonnull bytes.  */
+                buf[0] = c;
+
+                wc = (char32_t) 0xBADFACE;
+                ret = mbrtoc32 (&wc, buf, 1, &state);
+                /* POSIX:2018 says regarding mbrtowc: "In the POSIX locale an
+                   [EILSEQ] error cannot occur since all byte values are valid
+                   characters."  It is reasonable to expect mbrtoc32 to behave
+                   in the same way.  */
+                ASSERT (ret == 1);
+                if (c < 0x80)
+                  /* c is an ASCII character.  */
+                  ASSERT (wc == 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 (wc == (btoc32 (c) == 0xDF00 + c ? btoc32 (c) : c));
+                ASSERT (mbsinit (&state));
+
+                ret = mbrtoc32 (NULL, buf, 1, &state);
+                ASSERT (ret == 1);
+                ASSERT (mbsinit (&state));
+              }
+        }
+        return 0;
+
+      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 = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == 'B');
+          ASSERT (mbsinit (&state));
+          input[0] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 1, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (c32tob (wc) == (unsigned char) '\374');
+          #if GL_CHAR32_T_IS_UNICODE
+          ASSERT (wc == 0x00FC); /* expect Unicode encoding */
+          #endif
+          ASSERT (mbsinit (&state));
+          input[1] = '\0';
+
+          /* Test support of NULL first argument.  */
+          ret = mbrtoc32 (NULL, input + 2, 3, &state);
+          ASSERT (ret == 1);
+          ASSERT (mbsinit (&state));
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 2, 3, &state);
+          ASSERT (ret == 1);
+          ASSERT (c32tob (wc) == (unsigned char) '\337');
+          #if GL_CHAR32_T_IS_UNICODE
+          ASSERT (wc == 0x00DF); /* expect Unicode encoding */
+          #endif
+          ASSERT (mbsinit (&state));
+          input[2] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 3, 2, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == 'e');
+          ASSERT (mbsinit (&state));
+          input[3] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 4, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == 'r');
+          ASSERT (mbsinit (&state));
+        }
+        return 0;
+
+      case '3':
+        /* Locale encoding is UTF-8.  */
+        {
+          char input[] = "s\303\274\303\237\360\237\230\213!"; /* "süß😋!" */
+          memset (&state, '\0', sizeof (mbstate_t));
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == 's');
+          ASSERT (mbsinit (&state));
+          input[0] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 1, 1, &state);
+          ASSERT (ret == (size_t)(-2));
+          ASSERT (wc == (char32_t) 0xBADFACE);
+          ASSERT (!mbsinit (&state));
+          input[1] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 2, 7, &state);
+          ASSERT (ret == 1);
+          ASSERT (c32tob (wc) == EOF);
+          ASSERT (wc == 0x00FC); /* expect Unicode encoding */
+          ASSERT (mbsinit (&state));
+          input[2] = '\0';
+
+          /* Test support of NULL first argument.  */
+          ret = mbrtoc32 (NULL, input + 3, 6, &state);
+          ASSERT (ret == 2);
+          ASSERT (mbsinit (&state));
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 3, 6, &state);
+          ASSERT (ret == 2);
+          ASSERT (c32tob (wc) == EOF);
+          ASSERT (wc == 0x00DF); /* expect Unicode encoding */
+          ASSERT (mbsinit (&state));
+          input[3] = '\0';
+          input[4] = '\0';
+
+          /* Test support of NULL first argument.  */
+          ret = mbrtoc32 (NULL, input + 5, 4, &state);
+          ASSERT (ret == 4);
+          ASSERT (mbsinit (&state));
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 5, 4, &state);
+          ASSERT (ret == 4);
+          ASSERT (c32tob (wc) == EOF);
+          ASSERT (wc == 0x1F60B); /* expect Unicode encoding */
+          ASSERT (mbsinit (&state));
+          input[5] = '\0';
+          input[6] = '\0';
+          input[7] = '\0';
+          input[8] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 9, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == '!');
+          ASSERT (mbsinit (&state));
+        }
+        return 0;
+
+      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 = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == '<');
+          ASSERT (mbsinit (&state));
+          input[0] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 1, 2, &state);
+          ASSERT (ret == 2);
+          ASSERT (c32tob (wc) == EOF);
+          #if GL_CHAR32_T_IS_UNICODE
+          ASSERT (wc == 0x65E5); /* expect Unicode encoding */
+          #endif
+          ASSERT (mbsinit (&state));
+          input[1] = '\0';
+          input[2] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 3, 1, &state);
+          ASSERT (ret == (size_t)(-2));
+          ASSERT (wc == (char32_t) 0xBADFACE);
+          ASSERT (!mbsinit (&state));
+          input[3] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 4, 4, &state);
+          ASSERT (ret == 1);
+          ASSERT (c32tob (wc) == EOF);
+          #if GL_CHAR32_T_IS_UNICODE
+          ASSERT (wc == 0x672C); /* expect Unicode encoding */
+          #endif
+          ASSERT (mbsinit (&state));
+          input[4] = '\0';
+
+          /* Test support of NULL first argument.  */
+          ret = mbrtoc32 (NULL, input + 5, 3, &state);
+          ASSERT (ret == 2);
+          ASSERT (mbsinit (&state));
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 5, 3, &state);
+          ASSERT (ret == 2);
+          ASSERT (c32tob (wc) == EOF);
+          #if GL_CHAR32_T_IS_UNICODE
+          ASSERT (wc == 0x8A9E); /* expect Unicode encoding */
+          #endif
+          ASSERT (mbsinit (&state));
+          input[5] = '\0';
+          input[6] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 7, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == '>');
+          ASSERT (mbsinit (&state));
+        }
+        return 0;
+
+      case '5':
+        /* Locale encoding is GB18030.  */
+        #if (defined __GLIBC__ && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 13 && __GLIBC_MINOR__ <= 15) || (GL_CHAR32_T_IS_UNICODE && (defined __FreeBSD__ || defined __NetBSD__ || defined __sun))
+        fputs ("Skipping test: The GB18030 converter in this system's iconv is broken.\n", stderr);
+        return 77;
+        #endif
+        {
+          char input[] = "s\250\271\201\060\211\070\224\071\375\067!"; /* "süß😋!" */
+          memset (&state, '\0', sizeof (mbstate_t));
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == 's');
+          ASSERT (mbsinit (&state));
+          input[0] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 1, 1, &state);
+          ASSERT (ret == (size_t)(-2));
+          ASSERT (wc == (char32_t) 0xBADFACE);
+          ASSERT (!mbsinit (&state));
+          input[1] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 2, 9, &state);
+          ASSERT (ret == 1);
+          ASSERT (c32tob (wc) == EOF);
+          #if GL_CHAR32_T_IS_UNICODE
+          ASSERT (wc == 0x00FC); /* expect Unicode encoding */
+          #endif
+          ASSERT (mbsinit (&state));
+          input[2] = '\0';
+
+          /* Test support of NULL first argument.  */
+          ret = mbrtoc32 (NULL, input + 3, 8, &state);
+          ASSERT (ret == 4);
+          ASSERT (mbsinit (&state));
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 3, 8, &state);
+          ASSERT (ret == 4);
+          ASSERT (c32tob (wc) == EOF);
+          #if GL_CHAR32_T_IS_UNICODE
+          ASSERT (wc == 0x00DF); /* expect Unicode encoding */
+          #endif
+          ASSERT (mbsinit (&state));
+          input[3] = '\0';
+          input[4] = '\0';
+          input[5] = '\0';
+          input[6] = '\0';
+
+          /* Test support of NULL first argument.  */
+          ret = mbrtoc32 (NULL, input + 7, 4, &state);
+          ASSERT (ret == 4);
+          ASSERT (mbsinit (&state));
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 7, 4, &state);
+          ASSERT (ret == 4);
+          ASSERT (c32tob (wc) == EOF);
+          #if GL_CHAR32_T_IS_UNICODE
+          ASSERT (wc == 0x1F60B); /* expect Unicode encoding */
+          #endif
+          ASSERT (mbsinit (&state));
+          input[7] = '\0';
+          input[8] = '\0';
+          input[9] = '\0';
+          input[10] = '\0';
+
+          wc = (char32_t) 0xBADFACE;
+          ret = mbrtoc32 (&wc, input + 11, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == '!');
+          ASSERT (mbsinit (&state));
+        }
+        return 0;
+      }
+
+  return 1;
+}