mbstoc32s: Add tests.

* tests/test-mbstoc32s.c: New file, based on tests/test-mbsrtoc32s.c.
* tests/test-mbstoc32s-1.sh: New file, based on
tests/test-mbsrtoc32s-1.sh.
* tests/test-mbstoc32s-2.sh: New file, based on
tests/test-mbsrtoc32s-2.sh.
* tests/test-mbstoc32s-3.sh: New file, based on
tests/test-mbsrtoc32s-3.sh.
* tests/test-mbstoc32s-4.sh: New file, based on
tests/test-mbsrtoc32s-4.sh.
* modules/mbstoc32s-tests: New file, based on modules/mbsrtoc32s-tests.

7 files changed, 348 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index f2d507b1b9..e2278a3854 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,17 @@
 2020-01-05  Bruno Haible  <bruno@clisp.org>
 
+	mbstoc32s: Add tests.
+	* tests/test-mbstoc32s.c: New file, based on tests/test-mbsrtoc32s.c.
+	* tests/test-mbstoc32s-1.sh: New file, based on
+	tests/test-mbsrtoc32s-1.sh.
+	* tests/test-mbstoc32s-2.sh: New file, based on
+	tests/test-mbsrtoc32s-2.sh.
+	* tests/test-mbstoc32s-3.sh: New file, based on
+	tests/test-mbsrtoc32s-3.sh.
+	* tests/test-mbstoc32s-4.sh: New file, based on
+	tests/test-mbsrtoc32s-4.sh.
+	* modules/mbstoc32s-tests: New file, based on modules/mbsrtoc32s-tests.
+
 	mbstoc32s: New module.
 	* lib/uchar.in.h (mbstoc32s): New declaration.
 	* lib/mbstoc32s.c: New file.
diff --git a/modules/mbstoc32s-tests b/modules/mbstoc32s-tests
new file mode 100644
index 0000000000..7234daab7c
--- /dev/null
+++ b/modules/mbstoc32s-tests
@@ -0,0 +1,32 @@
+Files:
+tests/test-mbstoc32s-1.sh
+tests/test-mbstoc32s-2.sh
+tests/test-mbstoc32s-3.sh
+tests/test-mbstoc32s-4.sh
+tests/test-mbstoc32s.c
+tests/signature.h
+tests/macros.h
+m4/locale-fr.m4
+m4/locale-ja.m4
+m4/locale-zh.m4
+m4/codeset.m4
+
+Depends-on:
+c32tob
+setlocale
+
+configure.ac:
+gt_LOCALE_FR
+gt_LOCALE_FR_UTF8
+gt_LOCALE_JA
+gt_LOCALE_ZH_CN
+
+Makefile.am:
+TESTS += test-mbstoc32s-1.sh test-mbstoc32s-2.sh test-mbstoc32s-3.sh test-mbstoc32s-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-mbstoc32s
+test_mbstoc32s_LDADD = $(LDADD) $(LIB_SETLOCALE) $(LIB_MBRTOWC)
diff --git a/tests/test-mbstoc32s-1.sh b/tests/test-mbstoc32s-1.sh
new file mode 100755
index 0000000000..24d80f2023
--- /dev/null
+++ b/tests/test-mbstoc32s-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 \
+${CHECKER} ./test-mbstoc32s${EXEEXT} 1
diff --git a/tests/test-mbstoc32s-2.sh b/tests/test-mbstoc32s-2.sh
new file mode 100755
index 0000000000..c21f2e85d9
--- /dev/null
+++ b/tests/test-mbstoc32s-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 \
+${CHECKER} ./test-mbstoc32s${EXEEXT} 2
diff --git a/tests/test-mbstoc32s-3.sh b/tests/test-mbstoc32s-3.sh
new file mode 100755
index 0000000000..d62af62e73
--- /dev/null
+++ b/tests/test-mbstoc32s-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 \
+${CHECKER} ./test-mbstoc32s${EXEEXT} 3
diff --git a/tests/test-mbstoc32s-4.sh b/tests/test-mbstoc32s-4.sh
new file mode 100755
index 0000000000..b0d1343721
--- /dev/null
+++ b/tests/test-mbstoc32s-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 \
+${CHECKER} ./test-mbstoc32s${EXEEXT} 4
diff --git a/tests/test-mbstoc32s.c b/tests/test-mbstoc32s.c
new file mode 100644
index 0000000000..0e8fbccc81
--- /dev/null
+++ b/tests/test-mbstoc32s.c
@@ -0,0 +1,244 @@
+/* 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 (mbstoc32s, size_t, (char32_t *, const char *, size_t));
+
+#include <locale.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "macros.h"
+
+int
+main (int argc, char *argv[])
+{
+  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;
+
+    src = "";
+    ret = mbstoc32s (NULL, src, 0);
+    ASSERT (ret == 0);
+
+    src = "";
+    ret = mbstoc32s (NULL, src, 1);
+    ASSERT (ret == 0);
+
+    wc = (char32_t) 0xBADFACE;
+    src = "";
+    ret = mbstoc32s (&wc, src, 0);
+    ASSERT (ret == 0);
+    ASSERT (wc == (char32_t) 0xBADFACE);
+
+    wc = (char32_t) 0xBADFACE;
+    src = "";
+    ret = mbstoc32s (&wc, src, 1);
+    ASSERT (ret == 0);
+    ASSERT (wc == 0);
+  }
+
+  if (argc > 1)
+    {
+      int unlimited;
+
+      for (unlimited = 0; unlimited < 2; unlimited++)
+        {
+          #define BUFSIZE 10
+          char32_t buf[BUFSIZE];
+          const char *src;
+
+          {
+            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" */
+
+                wc = (char32_t) 0xBADFACE;
+                ret = mbstoc32s (&wc, input, 1);
+                ASSERT (ret == 1);
+                ASSERT (wc == 'B');
+                input[0] = '\0';
+
+                wc = (char32_t) 0xBADFACE;
+                ret = mbstoc32s (&wc, input + 1, 1);
+                ASSERT (ret == 1);
+                ASSERT (c32tob (wc) == (unsigned char) '\374');
+                input[1] = '\0';
+
+                src = input + 2;
+                ret = mbstoc32s (NULL, src, unlimited ? BUFSIZE : 1);
+                ASSERT (ret == 3);
+
+                src = input + 2;
+                ret = mbstoc32s (buf, src, unlimited ? BUFSIZE : 1);
+                ASSERT (ret == (unlimited ? 3 : 1));
+                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);
+              }
+              break;
+
+            case '2':
+              /* Locale encoding is UTF-8.  */
+              {
+                char input[] = "s\303\274\303\237\360\237\230\213!"; /* "süß😋!" */
+
+                wc = (char32_t) 0xBADFACE;
+                ret = mbstoc32s (&wc, input, 1);
+                ASSERT (ret == 1);
+                ASSERT (wc == 's');
+                input[0] = '\0';
+
+                wc = (char32_t) 0xBADFACE;
+                ret = mbstoc32s (&wc, input + 1, 1);
+                ASSERT (ret == 1);
+                ASSERT (wc == 0x00FC); /* expect Unicode encoding */
+                input[1] = '\0';
+                input[2] = '\0';
+
+                src = input + 3;
+                ret = mbstoc32s (NULL, src, unlimited ? BUFSIZE : 2);
+                ASSERT (ret == 3);
+
+                src = input + 3;
+                ret = mbstoc32s (buf, src, unlimited ? BUFSIZE : 2);
+                ASSERT (ret == (unlimited ? 3 : 2));
+                ASSERT (buf[0] == 0x00DF); /* expect Unicode encoding */
+                ASSERT (buf[1] == 0x1F60B); /* expect Unicode encoding */
+                if (unlimited)
+                  {
+                    ASSERT (buf[2] == '!');
+                    ASSERT (buf[3] == 0);
+                    ASSERT (buf[4] == (char32_t) 0xBADFACE);
+                  }
+                else
+                  ASSERT (buf[2] == (char32_t) 0xBADFACE);
+              }
+              break;
+
+            case '3':
+              /* Locale encoding is EUC-JP.  */
+              {
+                char input[] = "<\306\374\313\334\270\354>"; /* "<日本語>" */
+
+                wc = (char32_t) 0xBADFACE;
+                ret = mbstoc32s (&wc, input, 1);
+                ASSERT (ret == 1);
+                ASSERT (wc == '<');
+                input[0] = '\0';
+
+                wc = (char32_t) 0xBADFACE;
+                ret = mbstoc32s (&wc, input + 1, 1);
+                ASSERT (ret == 1);
+                ASSERT (c32tob (wc) == EOF);
+                input[1] = '\0';
+                input[2] = '\0';
+
+                src = input + 3;
+                ret = mbstoc32s (NULL, src, unlimited ? BUFSIZE : 2);
+                ASSERT (ret == 3);
+
+                src = input + 3;
+                ret = mbstoc32s (buf, src, unlimited ? BUFSIZE : 2);
+                ASSERT (ret == (unlimited ? 3 : 2));
+                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);
+              }
+              break;
+
+            case '4':
+              /* Locale encoding is GB18030.  */
+              {
+                char input[] = "s\250\271\201\060\211\070\224\071\375\067!"; /* "süß😋!" */
+
+                wc = (char32_t) 0xBADFACE;
+                ret = mbstoc32s (&wc, input, 1);
+                ASSERT (ret == 1);
+                ASSERT (wc == 's');
+                input[0] = '\0';
+
+                wc = (char32_t) 0xBADFACE;
+                ret = mbstoc32s (&wc, input + 1, 1);
+                ASSERT (ret == 1);
+                ASSERT (c32tob (wc) == EOF);
+                input[1] = '\0';
+
+                src = input + 3;
+                ret = mbstoc32s (NULL, src, unlimited ? BUFSIZE : 2);
+                ASSERT (ret == 3);
+
+                src = input + 3;
+                ret = mbstoc32s (buf, src, unlimited ? BUFSIZE : 2);
+                ASSERT (ret == (unlimited ? 3 : 2));
+                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);
+              }
+              break;
+
+            default:
+              return 1;
+            }
+        }
+
+      return 0;
+    }
+
+  return 1;
+}