changeset 14347:15fd847d6bfe

mbrtowc: Add more tests for native Windows platforms. * tests/test-mbrtowc-w32-1.sh: New file. * tests/test-mbrtowc-w32-2.sh: New file. * tests/test-mbrtowc-w32-3.sh: New file. * tests/test-mbrtowc-w32-4.sh: New file. * tests/test-mbrtowc-w32-5.sh: New file. * tests/test-mbrtowc-w32.c: New file. * modules/mbrtowc-tests (Files): Add them. (Makefile.am): Arrange to run these tests. * tests/test-mbrtowc-w32-6.sh: New file, currently unused. * tests/test-mbrtowc-w32-7.sh: New file, currently unused.
author Bruno Haible <bruno@clisp.org>
date Mon, 14 Feb 2011 00:09:53 +0100
parents dceb65f713b5
children 27d889831e45
files ChangeLog modules/mbrtowc-tests tests/test-mbrtowc-w32-1.sh tests/test-mbrtowc-w32-2.sh tests/test-mbrtowc-w32-3.sh tests/test-mbrtowc-w32-4.sh tests/test-mbrtowc-w32-5.sh tests/test-mbrtowc-w32-6.sh tests/test-mbrtowc-w32-7.sh tests/test-mbrtowc-w32.c
diffstat 10 files changed, 656 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2011-02-13  Bruno Haible  <bruno@clisp.org>
+
+	mbrtowc: Add more tests for native Windows platforms.
+	* tests/test-mbrtowc-w32-1.sh: New file.
+	* tests/test-mbrtowc-w32-2.sh: New file.
+	* tests/test-mbrtowc-w32-3.sh: New file.
+	* tests/test-mbrtowc-w32-4.sh: New file.
+	* tests/test-mbrtowc-w32-5.sh: New file.
+	* tests/test-mbrtowc-w32.c: New file.
+	* modules/mbrtowc-tests (Files): Add them.
+	(Makefile.am): Arrange to run these tests.
+	* tests/test-mbrtowc-w32-6.sh: New file, currently unused.
+	* tests/test-mbrtowc-w32-7.sh: New file, currently unused.
+
 2011-02-13  Bruno Haible  <bruno@clisp.org>
 
 	mbrtowc: Work around native Windows bug.
--- a/modules/mbrtowc-tests
+++ b/modules/mbrtowc-tests
@@ -4,6 +4,12 @@
 tests/test-mbrtowc3.sh
 tests/test-mbrtowc4.sh
 tests/test-mbrtowc.c
+tests/test-mbrtowc-w32-1.sh
+tests/test-mbrtowc-w32-2.sh
+tests/test-mbrtowc-w32-3.sh
+tests/test-mbrtowc-w32-4.sh
+tests/test-mbrtowc-w32-5.sh
+tests/test-mbrtowc-w32.c
 tests/signature.h
 tests/macros.h
 m4/locale-fr.m4
@@ -23,11 +29,14 @@
 gt_LOCALE_ZH_CN
 
 Makefile.am:
-TESTS += test-mbrtowc1.sh test-mbrtowc2.sh test-mbrtowc3.sh test-mbrtowc4.sh
+TESTS += \
+  test-mbrtowc1.sh test-mbrtowc2.sh test-mbrtowc3.sh test-mbrtowc4.sh \
+  test-mbrtowc-w32-1.sh test-mbrtowc-w32-2.sh test-mbrtowc-w32-3.sh \
+  test-mbrtowc-w32-4.sh test-mbrtowc-w32-5.sh
 TESTS_ENVIRONMENT += \
   LOCALE_FR='@LOCALE_FR@' \
   LOCALE_FR_UTF8='@LOCALE_FR_UTF8@' \
   LOCALE_JA='@LOCALE_JA@' \
   LOCALE_ZH_CN='@LOCALE_ZH_CN@'
-check_PROGRAMS += test-mbrtowc
+check_PROGRAMS += test-mbrtowc test-mbrtowc-w32
 
new file mode 100755
--- /dev/null
+++ b/tests/test-mbrtowc-w32-1.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Test a CP1252 locale.
+./test-mbrtowc-w32${EXEEXT} French_France 1252
new file mode 100755
--- /dev/null
+++ b/tests/test-mbrtowc-w32-2.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Test a CP1256 locale.
+./test-mbrtowc-w32${EXEEXT} "Arabic_Saudi Arabia" 1256
new file mode 100755
--- /dev/null
+++ b/tests/test-mbrtowc-w32-3.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Test a CP932 locale.
+./test-mbrtowc-w32${EXEEXT} Japanese_Japan 932
new file mode 100755
--- /dev/null
+++ b/tests/test-mbrtowc-w32-4.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Test a CP950 locale.
+./test-mbrtowc-w32${EXEEXT} Chinese_Taiwan 950
new file mode 100755
--- /dev/null
+++ b/tests/test-mbrtowc-w32-5.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Test a CP936 locale.
+./test-mbrtowc-w32${EXEEXT} Chinese_China 936
new file mode 100755
--- /dev/null
+++ b/tests/test-mbrtowc-w32-6.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# This test is not enabled by default, because MSVCRT does not support and
+# will likely never support locales with MB_CUR_MAX > 2.
+
+# Test a GB18030 locale.
+./test-mbrtowc-w32${EXEEXT} Chinese_China 54936
new file mode 100755
--- /dev/null
+++ b/tests/test-mbrtowc-w32-7.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# This test is not enabled by default, because MSVCRT does not support and
+# will likely never support locales with MB_CUR_MAX > 2.
+
+# Test some UTF-8 locales.
+./test-mbrtowc-w32${EXEEXT} French_France Japanese_Japan Chinese_Taiwan Chinese_China 65001
new file mode 100644
--- /dev/null
+++ b/tests/test-mbrtowc-w32.c
@@ -0,0 +1,597 @@
+/* Test of conversion of multibyte character to wide character.
+   Copyright (C) 2008-2011 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/>.  */
+
+#include <config.h>
+
+#include <wchar.h>
+
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "macros.h"
+
+#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+
+static int
+test_one_locale (const char *name, int codepage)
+{
+  mbstate_t state;
+  wchar_t wc;
+  size_t ret;
+
+# if 1
+  /* Portable code to set the locale.  */
+  {
+    char name_with_codepage[1024];
+
+    sprintf (name_with_codepage, "%s.%d", name, codepage);
+
+    /* Set the locale.  */
+    if (setlocale (LC_ALL, name_with_codepage) == NULL)
+      return 77;
+  }
+# else
+  /* Hacky way to set a locale.codepage combination that setlocale() refuses
+     to set.  */
+  {
+    /* Codepage of the current locale, set with setlocale().
+       Not necessarily the same as GetACP().  */
+    extern __declspec(dllimport) unsigned int __lc_codepage;
+
+    /* Set the locale.  */
+    if (setlocale (LC_ALL, name) == NULL)
+      return 77;
+
+    /* Clobber the codepage and MB_CUR_MAX, both set by setlocale().  */
+    __lc_codepage = codepage;
+    switch (codepage)
+      {
+      case 1252:
+      case 1256:
+        MB_CUR_MAX = 1;
+        break;
+      case 932:
+      case 950:
+      case 936:
+        MB_CUR_MAX = 2;
+        break;
+      case 54936:
+      case 65001:
+        MB_CUR_MAX = 4;
+        break;
+      }
+
+    /* Test whether the codepage is really available.  */
+    memset (&state, '\0', sizeof (mbstate_t));
+    if (mbrtowc (&wc, " ", 1, &state) == (size_t)(-1))
+      return 77;
+  }
+# endif
+
+  /* Test zero-length input.  */
+  {
+    memset (&state, '\0', sizeof (mbstate_t));
+    wc = (wchar_t) 0xBADFACE;
+    ret = mbrtowc (&wc, "x", 0, &state);
+    /* gnulib's implementation returns (size_t)(-2).
+       The AIX 5.1 implementation returns (size_t)(-1).
+       glibc's implementation returns 0.  */
+    ASSERT (ret == (size_t)(-2) || ret == (size_t)(-1) || ret == 0);
+    ASSERT (mbsinit (&state));
+  }
+
+  /* Test NUL byte input.  */
+  {
+    memset (&state, '\0', sizeof (mbstate_t));
+    wc = (wchar_t) 0xBADFACE;
+    ret = mbrtowc (&wc, "", 1, &state);
+    ASSERT (ret == 0);
+    ASSERT (wc == 0);
+    ASSERT (mbsinit (&state));
+    ret = mbrtowc (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".  */
+          buf[0] = c;
+          wc = (wchar_t) 0xBADFACE;
+          ret = mbrtowc (&wc, buf, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (wc == c);
+          ASSERT (mbsinit (&state));
+          ret = mbrtowc (NULL, buf, 1, &state);
+          ASSERT (ret == 1);
+          ASSERT (mbsinit (&state));
+          break;
+        }
+  }
+
+  /* Test special calling convention, passing a NULL pointer.  */
+  {
+    memset (&state, '\0', sizeof (mbstate_t));
+    wc = (wchar_t) 0xBADFACE;
+    ret = mbrtowc (&wc, NULL, 5, &state);
+    ASSERT (ret == 0);
+    ASSERT (wc == (wchar_t) 0xBADFACE);
+    ASSERT (mbsinit (&state));
+  }
+
+  switch (codepage)
+    {
+    case 1252:
+      /* Locale encoding is CP1252, an extension of ISO-8859-1.  */
+      {
+        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 (wc == 0x00FC);
+        ASSERT (mbsinit (&state));
+        input[1] = '\0';
+
+        /* Test support of NULL first argument.  */
+        ret = mbrtowc (NULL, input + 2, 3, &state);
+        ASSERT (ret == 1);
+        ASSERT (mbsinit (&state));
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 2, 3, &state);
+        ASSERT (ret == 1);
+        ASSERT (wctob (wc) == (unsigned char) '\337');
+        ASSERT (wc == 0x00DF);
+        ASSERT (mbsinit (&state));
+        input[2] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 3, 2, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == 'e');
+        ASSERT (mbsinit (&state));
+        input[3] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 4, 1, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == 'r');
+        ASSERT (mbsinit (&state));
+      }
+      return 0;
+
+    case 1256:
+      /* Locale encoding is CP1256, not the same as ISO-8859-6.  */
+      {
+        char input[] = "x\302\341\346y"; /* "xآلوy" */
+        memset (&state, '\0', sizeof (mbstate_t));
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input, 1, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == 'x');
+        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) '\302');
+        ASSERT (wc == 0x0622);
+        ASSERT (mbsinit (&state));
+        input[1] = '\0';
+
+        /* Test support of NULL first argument.  */
+        ret = mbrtowc (NULL, input + 2, 3, &state);
+        ASSERT (ret == 1);
+        ASSERT (mbsinit (&state));
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 2, 3, &state);
+        ASSERT (ret == 1);
+        ASSERT (wctob (wc) == (unsigned char) '\341');
+        ASSERT (wc == 0x0644);
+        ASSERT (mbsinit (&state));
+        input[2] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 3, 2, &state);
+        ASSERT (ret == 1);
+        ASSERT (wctob (wc) == (unsigned char) '\346');
+        ASSERT (wc == 0x0648);
+        ASSERT (mbsinit (&state));
+        input[3] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 4, 1, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == 'y');
+        ASSERT (mbsinit (&state));
+      }
+      return 0;
+
+    case 932:
+      /* Locale encoding is CP932, similar to Shift_JIS.  */
+      {
+        char input[] = "<\223\372\226\173\214\352>"; /* "<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 (wc == 0x65E5);
+        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';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 4, 4, &state);
+        ASSERT (ret == 1);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x672C);
+        ASSERT (mbsinit (&state));
+        input[4] = '\0';
+
+        /* Test support of NULL first argument.  */
+        ret = mbrtowc (NULL, input + 5, 3, &state);
+        ASSERT (ret == 2);
+        ASSERT (mbsinit (&state));
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 5, 3, &state);
+        ASSERT (ret == 2);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x8A9E);
+        ASSERT (mbsinit (&state));
+        input[5] = '\0';
+        input[6] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 7, 1, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == '>');
+        ASSERT (mbsinit (&state));
+      }
+      return 0;
+
+    case 950:
+      /* Locale encoding is CP950, similar to Big5.  */
+      {
+        char input[] = "<\244\351\245\273\273\171>"; /* "<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 (wc == 0x65E5);
+        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';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 4, 4, &state);
+        ASSERT (ret == 1);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x672C);
+        ASSERT (mbsinit (&state));
+        input[4] = '\0';
+
+        /* Test support of NULL first argument.  */
+        ret = mbrtowc (NULL, input + 5, 3, &state);
+        ASSERT (ret == 2);
+        ASSERT (mbsinit (&state));
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 5, 3, &state);
+        ASSERT (ret == 2);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x8A9E);
+        ASSERT (mbsinit (&state));
+        input[5] = '\0';
+        input[6] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 7, 1, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == '>');
+        ASSERT (mbsinit (&state));
+      }
+      return 0;
+
+    case 936:
+      /* Locale encoding is CP936 = GBK, an extension of GB2312.  */
+      {
+        char input[] = "<\310\325\261\276\325\132>"; /* "<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 (wc == 0x65E5);
+        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';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 4, 4, &state);
+        ASSERT (ret == 1);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x672C);
+        ASSERT (mbsinit (&state));
+        input[4] = '\0';
+
+        /* Test support of NULL first argument.  */
+        ret = mbrtowc (NULL, input + 5, 3, &state);
+        ASSERT (ret == 2);
+        ASSERT (mbsinit (&state));
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 5, 3, &state);
+        ASSERT (ret == 2);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x8A9E);
+        ASSERT (mbsinit (&state));
+        input[5] = '\0';
+        input[6] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 7, 1, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == '>');
+        ASSERT (mbsinit (&state));
+      }
+      return 0;
+
+    case 54936:
+      /* Locale encoding is CP54936 = 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';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 2, 7, &state);
+        ASSERT (ret == 1);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x00FC);
+        ASSERT (mbsinit (&state));
+        input[2] = '\0';
+
+        /* Test support of NULL first argument.  */
+        ret = mbrtowc (NULL, input + 3, 6, &state);
+        ASSERT (ret == 4);
+        ASSERT (mbsinit (&state));
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 3, 6, &state);
+        ASSERT (ret == 4);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x00DF);
+        ASSERT (mbsinit (&state));
+        input[3] = '\0';
+        input[4] = '\0';
+        input[5] = '\0';
+        input[6] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 7, 2, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == 'e');
+        ASSERT (mbsinit (&state));
+        input[5] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 8, 1, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == 'r');
+        ASSERT (mbsinit (&state));
+      }
+      return 0;
+
+    case 65001:
+      /* Locale encoding is CP65001 = 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';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 2, 5, &state);
+        ASSERT (ret == 1);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x00FC);
+        ASSERT (mbsinit (&state));
+        input[2] = '\0';
+
+        /* Test support of NULL first argument.  */
+        ret = mbrtowc (NULL, input + 3, 4, &state);
+        ASSERT (ret == 2);
+        ASSERT (mbsinit (&state));
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 3, 4, &state);
+        ASSERT (ret == 2);
+        ASSERT (wctob (wc) == EOF);
+        ASSERT (wc == 0x00DF);
+        ASSERT (mbsinit (&state));
+        input[3] = '\0';
+        input[4] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 5, 2, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == 'e');
+        ASSERT (mbsinit (&state));
+        input[5] = '\0';
+
+        wc = (wchar_t) 0xBADFACE;
+        ret = mbrtowc (&wc, input + 6, 1, &state);
+        ASSERT (ret == 1);
+        ASSERT (wc == 'r');
+        ASSERT (mbsinit (&state));
+      }
+      return 0;
+
+    default:
+      return 1;
+    }
+}
+
+int
+main (int argc, char *argv[])
+{
+  int codepage = atoi (argv[argc - 1]);
+  int result;
+  int i;
+
+  result = 77;
+  for (i = 1; i < argc - 1; i++)
+    {
+      int ret = test_one_locale (argv[i], codepage);
+
+      if (ret != 77)
+        result = ret;
+    }
+
+  if (result == 77)
+    {
+      fprintf (stderr, "Skipping test: found no locale with codepage %d\n",
+               codepage);
+    }
+  return result;
+}
+
+#else
+
+int
+main (int argc, char *argv[])
+{
+  fputs ("Skipping test: not a native Windows system\n", stderr);
+  return 77;
+}
+
+#endif