mbsrtoc32s: Add tests.

* tests/test-mbsrtoc32s.c: New file, based on tests/test-mbsrtowcs.c.
* tests/test-mbsrtoc32s-1.sh: New file, based on
tests/test-mbsrtowcs1.sh.
* tests/test-mbsrtoc32s-2.sh: New file, based on
tests/test-mbsrtowcs2.sh.
* tests/test-mbsrtoc32s-3.sh: New file, based on
tests/test-mbsrtowcs3.sh.
* tests/test-mbsrtoc32s-4.sh: New file, based on
tests/test-mbsrtowcs4.sh.
* modules/mbsrtoc32s-tests: New file, based on modules/mbsrtowcs-tests.

7 files changed, 399 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 08cceb3337..ecf3650b44 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,17 @@
 2020-01-04  Bruno Haible  <bruno@clisp.org>
 
+	mbsrtoc32s: Add tests.
+	* tests/test-mbsrtoc32s.c: New file, based on tests/test-mbsrtowcs.c.
+	* tests/test-mbsrtoc32s-1.sh: New file, based on
+	tests/test-mbsrtowcs1.sh.
+	* tests/test-mbsrtoc32s-2.sh: New file, based on
+	tests/test-mbsrtowcs2.sh.
+	* tests/test-mbsrtoc32s-3.sh: New file, based on
+	tests/test-mbsrtowcs3.sh.
+	* tests/test-mbsrtoc32s-4.sh: New file, based on
+	tests/test-mbsrtowcs4.sh.
+	* modules/mbsrtoc32s-tests: New file, based on modules/mbsrtowcs-tests.
+
 	mbsrtoc32s: New module.
 	* lib/uchar.in.h (mbsrtoc32s): New declaration.
 	* lib/mbsrtowcs-impl.h: Parameterize: Use macros FUNC, DCHAR_T,
diff --git a/modules/mbsrtoc32s-tests b/modules/mbsrtoc32s-tests
new file mode 100644
index 0000000000..dd1881e380
--- /dev/null
+++ b/modules/mbsrtoc32s-tests
@@ -0,0 +1,34 @@
+Files:
+tests/test-mbsrtoc32s-1.sh
+tests/test-mbsrtoc32s-2.sh
+tests/test-mbsrtoc32s-3.sh
+tests/test-mbsrtoc32s-4.sh
+tests/test-mbsrtoc32s.c
+tests/signature.h
+tests/macros.h
+m4/locale-fr.m4
+m4/locale-ja.m4
+m4/locale-zh.m4
+m4/codeset.m4
+
+Depends-on:
+mbrtoc32
+mbsinit
+c32tob
+setlocale
+
+configure.ac:
+gt_LOCALE_FR
+gt_LOCALE_FR_UTF8
+gt_LOCALE_JA
+gt_LOCALE_ZH_CN
+
+Makefile.am:
+TESTS += test-mbsrtoc32s-1.sh test-mbsrtoc32s-2.sh test-mbsrtoc32s-3.sh test-mbsrtoc32s-4.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-mbsrtoc32s
+test_mbsrtoc32s_LDADD = $(LDADD) $(LIB_SETLOCALE) $(LIB_MBRTOWC)
diff --git a/tests/test-mbsrtoc32s-1.sh b/tests/test-mbsrtoc32s-1.sh
new file mode 100755
index 0000000000..c957b80f47
--- /dev/null
+++ b/tests/test-mbsrtoc32s-1.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Test in an ISO-8859-1 or ISO-8859-15 locale.
+: ${LOCALE_FR=fr_FR}
+if test $LOCALE_FR = none; then
+  if test -f /usr/bin/localedef; then
+    echo "Skipping test: no traditional french locale is installed"
+  else
+    echo "Skipping test: no traditional french locale is supported"
+  fi
+  exit 77
+fi
+
+LC_ALL=$LOCALE_FR \
+${CHECKER} ./test-mbsrtoc32s${EXEEXT} 1
diff --git a/tests/test-mbsrtoc32s-2.sh b/tests/test-mbsrtoc32s-2.sh
new file mode 100755
index 0000000000..bb893d17b5
--- /dev/null
+++ b/tests/test-mbsrtoc32s-2.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Test whether a specific UTF-8 locale is installed.
+: ${LOCALE_FR_UTF8=fr_FR.UTF-8}
+if test $LOCALE_FR_UTF8 = none; then
+  if test -f /usr/bin/localedef; then
+    echo "Skipping test: no french Unicode locale is installed"
+  else
+    echo "Skipping test: no french Unicode locale is supported"
+  fi
+  exit 77
+fi
+
+LC_ALL=$LOCALE_FR_UTF8 \
+${CHECKER} ./test-mbsrtoc32s${EXEEXT} 2
diff --git a/tests/test-mbsrtoc32s-3.sh b/tests/test-mbsrtoc32s-3.sh
new file mode 100755
index 0000000000..5573412829
--- /dev/null
+++ b/tests/test-mbsrtoc32s-3.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Test whether a specific EUC-JP locale is installed.
+: ${LOCALE_JA=ja_JP}
+if test $LOCALE_JA = none; then
+  if test -f /usr/bin/localedef; then
+    echo "Skipping test: no traditional japanese locale is installed"
+  else
+    echo "Skipping test: no traditional japanese locale is supported"
+  fi
+  exit 77
+fi
+
+LC_ALL=$LOCALE_JA \
+${CHECKER} ./test-mbsrtoc32s${EXEEXT} 3
diff --git a/tests/test-mbsrtoc32s-4.sh b/tests/test-mbsrtoc32s-4.sh
new file mode 100755
index 0000000000..faf46001b7
--- /dev/null
+++ b/tests/test-mbsrtoc32s-4.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Test whether a specific GB18030 locale is installed.
+: ${LOCALE_ZH_CN=zh_CN.GB18030}
+if test $LOCALE_ZH_CN = none; then
+  if test -f /usr/bin/localedef; then
+    echo "Skipping test: no transitional chinese locale is installed"
+  else
+    echo "Skipping test: no transitional chinese locale is supported"
+  fi
+  exit 77
+fi
+
+LC_ALL=$LOCALE_ZH_CN \
+${CHECKER} ./test-mbsrtoc32s${EXEEXT} 4
diff --git a/tests/test-mbsrtoc32s.c b/tests/test-mbsrtoc32s.c
new file mode 100644
index 0000000000..cd99416908
--- /dev/null
+++ b/tests/test-mbsrtoc32s.c
@@ -0,0 +1,293 @@
+/* Test of conversion of string to 32-bit wide string.
+   Copyright (C) 2008-2020 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 (mbsrtoc32s, size_t, (char32_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;
+  char32_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 = mbsrtoc32s (NULL, &src, 0, &state);
+    ASSERT (ret == 0);
+    ASSERT (mbsinit (&state));
+
+    src = "";
+    ret = mbsrtoc32s (NULL, &src, 1, &state);
+    ASSERT (ret == 0);
+    ASSERT (mbsinit (&state));
+
+    wc = (char32_t) 0xBADFACE;
+    src = "";
+    ret = mbsrtoc32s (&wc, &src, 0, &state);
+    ASSERT (ret == 0);
+    ASSERT (wc == (char32_t) 0xBADFACE);
+    ASSERT (mbsinit (&state));
+
+    wc = (char32_t) 0xBADFACE;
+    src = "";
+    ret = mbsrtoc32s (&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
+          char32_t buf[BUFSIZE];
+          const char *src;
+          mbstate_t temp_state;
+
+          {
+            size_t i;
+            for (i = 0; i < BUFSIZE; i++)
+              buf[i] = (char32_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 = (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');
+                ASSERT (mbsinit (&state));
+                input[1] = '\0';
+
+                src = input + 2;
+                temp_state = state;
+                ret = mbsrtoc32s (NULL, &src, unlimited ? BUFSIZE : 1, &temp_state);
+                ASSERT (ret == 3);
+                ASSERT (src == input + 2);
+                ASSERT (mbsinit (&state));
+
+                src = input + 2;
+                ret = mbsrtoc32s (buf, &src, unlimited ? BUFSIZE : 1, &state);
+                ASSERT (ret == (unlimited ? 3 : 1));
+                ASSERT (src == (unlimited ? NULL : input + 3));
+                ASSERT (c32tob (buf[0]) == (unsigned char) '\337');
+                if (unlimited)
+                  {
+                    ASSERT (buf[1] == 'e');
+                    ASSERT (buf[2] == 'r');
+                    ASSERT (buf[3] == 0);
+                    ASSERT (buf[4] == (char32_t) 0xBADFACE);
+                  }
+                else
+                  ASSERT (buf[1] == (char32_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 = (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 == (size_t)(-2));
+                ASSERT (wc == (char32_t) 0xBADFACE);
+                ASSERT (!mbsinit (&state));
+                input[1] = '\0';
+
+                src = input + 2;
+                temp_state = state;
+                ret = mbsrtoc32s (NULL, &src, unlimited ? BUFSIZE : 2, &temp_state);
+                ASSERT (ret == 4);
+                ASSERT (src == input + 2);
+                ASSERT (!mbsinit (&state));
+
+                src = input + 2;
+                ret = mbsrtoc32s (buf, &src, unlimited ? BUFSIZE : 2, &state);
+                ASSERT (ret == (unlimited ? 4 : 2));
+                ASSERT (src == (unlimited ? NULL : input + 5));
+                ASSERT (c32tob (buf[0]) == EOF);
+                ASSERT (c32tob (buf[1]) == EOF);
+                if (unlimited)
+                  {
+                    ASSERT (buf[2] == 'e');
+                    ASSERT (buf[3] == 'r');
+                    ASSERT (buf[4] == 0);
+                    ASSERT (buf[5] == (char32_t) 0xBADFACE);
+                  }
+                else
+                  ASSERT (buf[2] == (char32_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 = (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);
+                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';
+
+                src = input + 4;
+                temp_state = state;
+                ret = mbsrtoc32s (NULL, &src, unlimited ? BUFSIZE : 2, &temp_state);
+                ASSERT (ret == 3);
+                ASSERT (src == input + 4);
+                ASSERT (!mbsinit (&state));
+
+                src = input + 4;
+                ret = mbsrtoc32s (buf, &src, unlimited ? BUFSIZE : 2, &state);
+                ASSERT (ret == (unlimited ? 3 : 2));
+                ASSERT (src == (unlimited ? NULL : input + 7));
+                ASSERT (c32tob (buf[0]) == EOF);
+                ASSERT (c32tob (buf[1]) == EOF);
+                if (unlimited)
+                  {
+                    ASSERT (buf[2] == '>');
+                    ASSERT (buf[3] == 0);
+                    ASSERT (buf[4] == (char32_t) 0xBADFACE);
+                  }
+                else
+                  ASSERT (buf[2] == (char32_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 = (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 == (size_t)(-2));
+                ASSERT (wc == (char32_t) 0xBADFACE);
+                ASSERT (!mbsinit (&state));
+                input[1] = '\0';
+
+                src = input + 2;
+                temp_state = state;
+                ret = mbsrtoc32s (NULL, &src, unlimited ? BUFSIZE : 2, &temp_state);
+                ASSERT (ret == 4);
+                ASSERT (src == input + 2);
+                ASSERT (!mbsinit (&state));
+
+                src = input + 2;
+                ret = mbsrtoc32s (buf, &src, unlimited ? BUFSIZE : 2, &state);
+                ASSERT (ret == (unlimited ? 4 : 2));
+                ASSERT (src == (unlimited ? NULL : input + 7));
+                ASSERT (c32tob (buf[0]) == EOF);
+                ASSERT (c32tob (buf[1]) == EOF);
+                if (unlimited)
+                  {
+                    ASSERT (buf[2] == 'e');
+                    ASSERT (buf[3] == 'r');
+                    ASSERT (buf[4] == 0);
+                    ASSERT (buf[5] == (char32_t) 0xBADFACE);
+                  }
+                else
+                  ASSERT (buf[2] == (char32_t) 0xBADFACE);
+                ASSERT (mbsinit (&state));
+              }
+              break;
+
+            default:
+              return 1;
+            }
+        }
+
+      return 0;
+    }
+
+  return 1;
+}