Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 25_algorithms / minmax / 3.cc

diff --git a/libstdc++-v3/testsuite/25_algorithms/minmax/3.cc b/libstdc++-v3/testsuite/25_algorithms/minmax/3.cc
new file mode 100644 (file)
index 0000000..f0944b0
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/minmax/3.cc
@@ -0,0 +1,56 @@
+// { dg-options "-std=gnu++0x" }
+
+// 2008-09-16  Chris Fairles  <chris.fairles@gmail.com>
+
+// Copyright (C) 2008, 2009 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 3, 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 COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <algorithm>
+#include <functional>
+#include <testsuite_hooks.h>
+
+struct compare_counter
+  : std::binary_function<int, int, bool>
+{
+  static int count;
+  
+  bool operator()(int a, int b) const
+  {
+    ++count;
+    return a < b;
+  }
+};
+
+int compare_counter::count = 0;
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::pair<int, int> z = std::minmax({1, 2, 3, 4, 5, 6, 7, 8},
+                                     compare_counter());
+
+  // If N is the number of arguments in the minmax function call, 
+  // 25.3.7 specifies that at most 3N/2 comparisons are allowed.
+  VERIFY(compare_counter::count <= (3 * 8 / 2));
+}
+
+int main()
+{
+  test01();
+  return 0;
+}