1 files changed, 137 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/25_algorithms/set_union/1.cc b/libstdc++-v3/testsuite/25_algorithms/set_union/1.cc
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+++ b/libstdc++-v3/testsuite/25_algorithms/set_union/1.cc
@@ -0,0 +1,137 @@
+// 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.
+
+// 25.3.5.2 [lib.set.union]
+
+#include <algorithm>
+#include <testsuite_hooks.h>
+#include <testsuite_iterators.h>
+
+using __gnu_test::test_container;
+using __gnu_test::input_iterator_wrapper;
+using __gnu_test::output_iterator_wrapper;
+using std::set_union;
+
+typedef test_container<int, input_iterator_wrapper> Icontainer;
+typedef test_container<int, output_iterator_wrapper> Ocontainer;
+
+void 
+test1()
+{
+  int array1[1], array2[1];
+  Icontainer con1(array1, array1);
+  Icontainer con2(array1, array1);
+  Ocontainer con3(array2, array2);
+  VERIFY(set_union(con1.begin(), con1.end(), con2.begin(), con2.end(),
+	           con3.begin()).ptr == array2);
+}
+
+void 
+test2()
+{
+  int array1[] = {1};
+  int array2[] = {0};
+  Icontainer con1(array1, array1);
+  Icontainer con2(array1, array1 + 1);
+  Ocontainer con3(array2, array2 + 1);
+  VERIFY(set_union(con1.begin(), con1.end(), con2.begin(), con2.end(),
+		   con3.begin()).ptr == array2 + 1);
+  VERIFY(array2[0] == 1);
+}
+
+void 
+test3()
+{
+  int array1[] = {1};
+  int array2[] = {0};
+  Icontainer con1(array1, array1 + 1);
+  Icontainer con2(array1, array1);
+  Ocontainer con3(array2, array2 + 1);
+  VERIFY(set_union(con1.begin(), con1.end(), con2.begin(), con2.end(),
+                   con3.begin()).ptr == array2 + 1);
+  VERIFY(array2[0] == 1);
+}
+
+void 
+test4()
+{
+  int array1[]={0,1,1,2,4};
+  int array2[]={1,2,3};
+  int array3[6];
+  Icontainer con1(array1, array1 + 5);
+  Icontainer con2(array2, array2 + 3);
+  Ocontainer con3(array3, array3 + 6);
+  VERIFY(set_union(con1.begin(), con1.end(), con2.begin(), con2.end(),
+	       con3.begin()).ptr == array3 + 6);
+  VERIFY(array3[0] == 0 && array3[1] == 1 && array3[2] == 1 &&
+	 array3[3] == 2 && array3[4] == 3 && array3[5] == 4);
+}
+
+struct S
+{
+  int i;
+  int j;
+  S() {}
+  S(int in)
+  {
+    if(in > 0)
+    {
+      i = in;
+      j = 1;
+    }
+    else
+    {
+      i = -in;
+      j = 0;
+    }
+  }
+};
+
+bool 
+operator<(const S& s1, const S& s2)
+{ return s1.i < s2.i; }
+
+typedef test_container<S, input_iterator_wrapper> SIcontainer;
+typedef test_container<S, output_iterator_wrapper> SOcontainer;
+
+void 
+test5()
+{
+  S array1[] = { -1, -1, -1, -2, -2, -4};
+  S array2[] = { 1, 1, 1, 1, 2, 3, 4, 4};
+  S array3[9];
+  SIcontainer con1(array1, array1 + 6);
+  SIcontainer con2(array2, array2 + 8);
+  SOcontainer con3(array3, array3 + 9);
+  VERIFY(set_union(con1.begin(), con1.end(), con2.begin(), con2.end(),
+ 		   con3.begin()).ptr == array3 + 9);
+  VERIFY(array3[0].j == 0 && array3[1].j == 0 && array3[2].j == 0 &&
+         array3[3].j == 1 && array3[4].j == 0 && array3[5].j == 0 &&
+	 array3[6].j == 1 && array3[7].j == 0 && array3[8].j == 1);
+}
+
+int 
+main()
+{
+  test1();
+  test2();
+  test3();
+  test4();
+  test5();
+}
+