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diff --git a/tests/unistr/test-u32-strstr.c b/tests/unistr/test-u32-strstr.c
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+/* Test of u32_strstr() function.
+ Copyright (C) 2011-2015 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 Pádraig Brady <P@draigBrady.com>, 2011. */
+
+#include <config.h>
+
+#include "unistr.h"
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <signal.h> /* For signal. */
+#include <unistd.h> /* For alarm. */
+
+#include "macros.h"
+
+#define UNIT uint32_t
+#define U_STRSTR u32_strstr
+#include "test-u-strstr.h"
+
+int
+main (void)
+{
+#if HAVE_DECL_ALARM
+ /* Declare failure if test takes too long, by using default abort
+ caused by SIGALRM. */
+ signal (SIGALRM, SIG_DFL);
+ alarm (10);
+#endif
+
+ test_u_strstr ();
+
+ return 0;
+}