--- a/ChangeLog	Sat Feb 21 12:28:56 2009 +0100
+++ b/ChangeLog	Sat Feb 21 12:30:06 2009 +0100
@@ -1,5 +1,9 @@
 2009-02-21  Bruno Haible  <bruno@clisp.org>
 
+	Tests for module 'uninorm/compat-decomposition'.
+	* tests/uninorm/test-compat-decomposition.c: New file.
+	* modules/uninorm/compat-decomposition-tests: New file.
+
 	New module 'uninorm/compat-decomposition'.
 	* lib/uninorm/decompose-internal.h: New file.
 	* lib/uninorm/compat-decomposition.c: New file.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/uninorm/compat-decomposition-tests	Sat Feb 21 12:30:06 2009 +0100
@@ -0,0 +1,12 @@
+Files:
+tests/uninorm/test-compat-decomposition.c
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-compat-decomposition
+check_PROGRAMS += test-compat-decomposition
+test_compat_decomposition_SOURCES = uninorm/test-compat-decomposition.c
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/uninorm/test-compat-decomposition.c	Sat Feb 21 12:30:06 2009 +0100
@@ -0,0 +1,190 @@
+/* Test of compatibility decomposition of Unicode characters.
+   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 "uninorm/decompose-internal.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "uninorm.h"
+
+#define ASSERT(expr) \
+  do									     \
+    {									     \
+      if (!(expr))							     \
+        {								     \
+          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+          fflush (stderr);						     \
+          abort ();							     \
+        }								     \
+    }									     \
+  while (0)
+
+int
+main ()
+{
+  ucs4_t decomposed[UC_DECOMPOSITION_MAX_LENGTH];
+  int ret;
+
+  /* SPACE */
+  ret = uc_compat_decomposition (0x0020, decomposed);
+  ASSERT (ret == -1);
+
+  /* LATIN CAPITAL LETTER A WITH DIAERESIS */
+  ret = uc_compat_decomposition (0x00C4, decomposed);
+  ASSERT (ret == 2);
+  ASSERT (decomposed[0] == 0x0041);
+  ASSERT (decomposed[1] == 0x0308);
+
+  /* LATIN CAPITAL LETTER A WITH DIAERESIS AND MACRON */
+  ret = uc_compat_decomposition (0x01DE, decomposed);
+  ASSERT (ret == 2);
+  ASSERT (decomposed[0] == 0x00C4);
+  ASSERT (decomposed[1] == 0x0304);
+
+  /* GREEK DIALYTIKA AND PERISPOMENI */
+  ret = uc_compat_decomposition (0x1FC1, decomposed);
+  ASSERT (ret == 2);
+  ASSERT (decomposed[0] == 0x00A8);
+  ASSERT (decomposed[1] == 0x0342);
+
+  /* SCRIPT SMALL L */
+  ret = uc_compat_decomposition (0x2113, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x006C);
+
+  /* NO-BREAK SPACE */
+  ret = uc_compat_decomposition (0x00A0, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x0020);
+
+  /* ARABIC LETTER VEH INITIAL FORM */
+  ret = uc_compat_decomposition (0xFB6C, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x06A4);
+
+  /* ARABIC LETTER VEH MEDIAL FORM */
+  ret = uc_compat_decomposition (0xFB6D, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x06A4);
+
+  /* ARABIC LETTER VEH FINAL FORM */
+  ret = uc_compat_decomposition (0xFB6B, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x06A4);
+
+  /* ARABIC LETTER VEH ISOLATED FORM */
+  ret = uc_compat_decomposition (0xFB6A, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x06A4);
+
+  /* CIRCLED NUMBER FIFTEEN */
+  ret = uc_compat_decomposition (0x246E, decomposed);
+  ASSERT (ret == 2);
+  ASSERT (decomposed[0] == 0x0031);
+  ASSERT (decomposed[1] == 0x0035);
+
+  /* TRADE MARK SIGN */
+  ret = uc_compat_decomposition (0x2122, decomposed);
+  ASSERT (ret == 2);
+  ASSERT (decomposed[0] == 0x0054);
+  ASSERT (decomposed[1] == 0x004D);
+
+  /* LATIN SUBSCRIPT SMALL LETTER I */
+  ret = uc_compat_decomposition (0x1D62, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x0069);
+
+  /* PRESENTATION FORM FOR VERTICAL LEFT PARENTHESIS */
+  ret = uc_compat_decomposition (0xFE35, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x0028);
+
+  /* FULLWIDTH LATIN CAPITAL LETTER A */
+  ret = uc_compat_decomposition (0xFF21, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x0041);
+
+  /* HALFWIDTH IDEOGRAPHIC COMMA */
+  ret = uc_compat_decomposition (0xFF64, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x3001);
+
+  /* SMALL IDEOGRAPHIC COMMA */
+  ret = uc_compat_decomposition (0xFE51, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x3001);
+
+  /* SQUARE MHZ */
+  ret = uc_compat_decomposition (0x3392, decomposed);
+  ASSERT (ret == 3);
+  ASSERT (decomposed[0] == 0x004D);
+  ASSERT (decomposed[1] == 0x0048);
+  ASSERT (decomposed[2] == 0x007A);
+
+  /* VULGAR FRACTION THREE EIGHTHS */
+  ret = uc_compat_decomposition (0x215C, decomposed);
+  ASSERT (ret == 3);
+  ASSERT (decomposed[0] == 0x0033);
+  ASSERT (decomposed[1] == 0x2044);
+  ASSERT (decomposed[2] == 0x0038);
+
+  /* MICRO SIGN */
+  ret = uc_compat_decomposition (0x00B5, decomposed);
+  ASSERT (ret == 1);
+  ASSERT (decomposed[0] == 0x03BC);
+
+  /* ARABIC LIGATURE SALLALLAHOU ALAYHE WASALLAM */
+  ret = uc_compat_decomposition (0xFDFA, decomposed);
+  ASSERT (ret == 18);
+  ASSERT (decomposed[0] == 0x0635);
+  ASSERT (decomposed[1] == 0x0644);
+  ASSERT (decomposed[2] == 0x0649);
+  ASSERT (decomposed[3] == 0x0020);
+  ASSERT (decomposed[4] == 0x0627);
+  ASSERT (decomposed[5] == 0x0644);
+  ASSERT (decomposed[6] == 0x0644);
+  ASSERT (decomposed[7] == 0x0647);
+  ASSERT (decomposed[8] == 0x0020);
+  ASSERT (decomposed[9] == 0x0639);
+  ASSERT (decomposed[10] == 0x0644);
+  ASSERT (decomposed[11] == 0x064A);
+  ASSERT (decomposed[12] == 0x0647);
+  ASSERT (decomposed[13] == 0x0020);
+  ASSERT (decomposed[14] == 0x0648);
+  ASSERT (decomposed[15] == 0x0633);
+  ASSERT (decomposed[16] == 0x0644);
+  ASSERT (decomposed[17] == 0x0645);
+
+  /* HANGUL SYLLABLE GEUL */
+  ret = uc_compat_decomposition (0xAE00, decomposed);
+  ASSERT (ret == 3);
+  ASSERT (decomposed[0] == 0x1100);
+  ASSERT (decomposed[1] == 0x1173);
+  ASSERT (decomposed[2] == 0x11AF);
+
+  /* HANGUL SYLLABLE GEU */
+  ret = uc_compat_decomposition (0xADF8, decomposed);
+  ASSERT (ret == 2);
+  ASSERT (decomposed[0] == 0x1100);
+  ASSERT (decomposed[1] == 0x1173);
+
+  return 0;
+}