--- /dev/null
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2010-03-16 Paolo Carlini <paolo.carlini@oracle.com>
+//
+// Copyright (C) 2010 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/>.
+
+// 26.5.8.5.2 Class template piecewise_constant_distribution
+// [rand.dist.samp.pconst]
+
+#include <random>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::vector<double> x = { 0.0, 1.0, 2.0, 3.0, 4.0, 5.0 };
+ std::vector<double> wt = { 0.5, 1.0, 2.5, 1.5, 0.5 };
+ std::piecewise_constant_distribution<double>
+ u(x.begin(), x.end(), wt.begin()), v, w;
+
+ VERIFY( v == w );
+ VERIFY( !(u == v) );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}