--- a/ChangeLog	Wed Feb 11 02:21:51 2009 +0100
+++ b/ChangeLog	Wed Feb 11 02:22:26 2009 +0100
@@ -1,5 +1,9 @@
 2009-02-10  Bruno Haible  <bruno@clisp.org>
 
+	Tests for module 'uniwbrk/u32-wordbreaks'.
+	* modules/uniwbrk/u32-wordbreaks-tests: New file.
+	* tests/uniwbrk/test-u32-wordbreaks.c: New file.
+
 	Tests for module 'uniwbrk/u16-wordbreaks'.
 	* modules/uniwbrk/u16-wordbreaks-tests: New file.
 	* tests/uniwbrk/test-u16-wordbreaks.c: New file.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/uniwbrk/u32-wordbreaks-tests	Wed Feb 11 02:22:26 2009 +0100
@@ -0,0 +1,12 @@
+Files:
+tests/uniwbrk/test-u32-wordbreaks.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-u32-wordbreaks
+check_PROGRAMS += test-u32-wordbreaks
+test_u32_wordbreaks_SOURCES = uniwbrk/test-u32-wordbreaks.c
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/uniwbrk/test-u32-wordbreaks.c	Wed Feb 11 02:22:26 2009 +0100
@@ -0,0 +1,106 @@
+/* Test of word breaks in UTF-32 strings.
+   Copyright (C) 2009 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/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2009.  */
+
+#include <config.h>
+
+#include "uniwbrk.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
+#define ASSERT(expr) \
+  do									     \
+    {									     \
+      if (!(expr))							     \
+        {								     \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);						     \
+          abort ();							     \
+        }								     \
+    }									     \
+  while (0)
+
+int
+main ()
+{
+  /* Test case n = 0.  */
+  u32_wordbreaks (NULL, 0, NULL);
+
+  {
+    static const uint32_t input[61] =
+      /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a)  日本語,中文,한글" */
+      { 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
+	0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
+	0x0439, 0x0442, 0x0435, '!', ' ',
+	'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
+	'-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
+	0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
+      };
+    char *p = (char *) malloc (SIZEOF (input));
+    size_t i;
+
+    u32_wordbreaks (input, SIZEOF (input), p);
+
+    for (i = 0; i < 61; i++)
+      {
+	ASSERT (p[i] == ((i >= 4 && i <= 5)
+			 || (i >= 9 && i <= 11)
+			 || (i >= 23 && i <= 31)
+			 || (i >= 35 && i <= 39)
+			 || (i >= 42 && i <= 46)
+			 || (i >= 48 && i <= 58)
+			 || i == 60
+			 ? 1 : 0));
+      }
+    free (p);
+  }
+
+  {
+    /* Same input string, decomposed.  */
+    static const uint32_t input[67] =
+      /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a)  日本語,中文,한글" */
+      { 'G', 'r', 0x0075, 0x0308, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
+	0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
+	0x0438, 0x0306, 0x0442, 0x0435, '!', ' ',
+	'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
+	'-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
+	0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',',
+	0x1112, 0x1161, 0x11AB, 0x1100, 0x1173, 0x11AF, '\n'
+      };
+    char *p = (char *) malloc (SIZEOF (input));
+    size_t i;
+
+    u32_wordbreaks (input, SIZEOF (input), p);
+
+    for (i = 0; i < 67; i++)
+      {
+	ASSERT (p[i] == ((i >= 5 && i <= 6)
+			 || (i >= 10 && i <= 12)
+			 || (i >= 25 && i <= 33)
+			 || (i >= 37 && i <= 41)
+			 || (i >= 44 && i <= 48)
+			 || (i >= 50 && i <= 60)
+			 || i == 66
+			 ? 1 : 0));
+      }
+    free (p);
+  }
+
+  return 0;
+}