--- /dev/null
+// { dg-options "-std=c++0x" }
+//
+// 2008-12-05 Edward M. Smith-Rowland <3dw4rd@verizon.net>
+//
+// Copyright (C) 2008 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 26.4.8.5.2 Class template piecewise_constant_distribution [rand.dist.samp.pconst]
+// 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist]
+
+#include <random>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+ bool test __attribute__((unused)) = true;
+
+ std::stringstream str;
+ 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;
+ std::minstd_rand0 rng;
+
+ u(rng); // advance
+ str << u;
+
+ VERIFY( !(u == v) );
+
+ str >> v;
+ VERIFY( u == v );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}