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diff --git a/libstdc++-v3/testsuite/25_algorithms/includes/1.cc b/libstdc++-v3/testsuite/25_algorithms/includes/1.cc
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+// Copyright (C) 2005 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 2, or (at your option)
+// any later version.
+
+// This library 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 library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 25.3.5.1 [lib.includes]
+
+#include <algorithm>
+#include <testsuite_hooks.h>
+#include <testsuite_iterators.h>
+
+using __gnu_test::test_container;
+using __gnu_test::input_iterator_wrapper;
+using std::includes;
+
+typedef test_container<int, input_iterator_wrapper> Container;
+
+void
+test1()
+{
+  bool test __attribute__((unused)) = true;
+  int array[] = {0};
+  Container con1(array, array);
+  Container con2(array, array);
+  VERIFY(includes(con1.begin(), con1.end(), con2.begin(), con2.end()));
+}
+
+void
+test2()
+{
+  bool test __attribute__((unused)) = true;
+  int array[] = {0, 1};
+  Container con1(array, array);
+  Container con2(array, array + 2);
+  VERIFY(!includes(con1.begin(), con1.end(), con2.begin(), con2.end()));
+}
+
+void
+test3()
+{
+  bool test __attribute__((unused)) = true;
+  int array[] = {0, 1};
+  Container con1(array, array + 2);
+  Container con2(array, array);
+  VERIFY(includes(con1.begin(), con1.end(), con2.begin(), con2.end()));
+}
+
+void
+test4()
+{
+  bool test __attribute__((unused)) = true;
+  int array1[] = {1, 2, 3, 4, 6, 8, 9};
+  int array2[] = {2, 4, 6, 8};
+  Container con1(array1, array1 + 7);
+  Container con2(array2, array2 + 4);
+  VERIFY(includes(con1.begin(), con1.end(), con2.begin(), con2.end()));
+}
+
+void
+test5()
+{
+  bool test __attribute__((unused)) = true;
+  int array1[] = {1, 2, 3, 5};
+  int array2[] = {2, 4, 6, 8};
+  Container con1(array1, array1 + 4);
+  Container con2(array2, array2 + 4);
+  VERIFY(!includes(con1.begin(), con1.end(), con2.begin(), con2.end()));
+}
+
+int main()
+{
+  test1();
+  test2();
+  test3();
+  test4();
+  test5();
+}