--- /dev/null
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 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/>.
+
+
+// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
+
+// Permission to use, copy, modify, sell, and distribute this software
+// is hereby granted without fee, provided that the above copyright
+// notice appears in all copies, and that both that copyright notice
+// and this permission notice appear in supporting documentation. None
+// of the above authors, nor IBM Haifa Research Laboratories, make any
+// representation about the suitability of this software for any
+// purpose. It is provided "as is" without express or implied
+// warranty.
+
+/**
+ * @file pop_test.hpp
+ * Contains a generic pop test.
+ */
+
+#ifndef PB_DS_POP_TEST_HPP
+#define PB_DS_POP_TEST_HPP
+
+#include <iterator>
+#include <testsuite_allocator.h>
+#include <ext/pb_ds/detail/type_utils.hpp>
+#include <performance/io/xml_formatter.hpp>
+#include <common_type/priority_queue/string_form.hpp>
+
+namespace __gnu_pbds
+{
+ namespace test
+ {
+ template<typename It>
+ class pop_test
+ {
+ public:
+ pop_test(It ins_b, size_t ins_vn, size_t ins_vs, size_t ins_vm)
+ : m_ins_b(ins_b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), m_ins_vm(ins_vm)
+ { }
+
+ template<typename Cntnr>
+ void
+ operator()(Cntnr);
+
+ private:
+ pop_test(const pop_test&);
+
+ const It m_ins_b;
+ const size_t m_ins_vn;
+ const size_t m_ins_vs;
+ const size_t m_ins_vm;
+ };
+
+ template<typename It>
+ template<typename Cntnr>
+ void
+ pop_test<It>::
+ operator()(Cntnr)
+ {
+ typedef xml_result_set_performance_formatter formatter_type;
+ formatter_type res_set_fmt(string_form<Cntnr>::name(),
+ string_form<Cntnr>::desc());
+
+ for (size_t i = 0; m_ins_vn + i * m_ins_vs < m_ins_vm; ++i)
+ {
+ const size_t ins_size = m_ins_vn + i * m_ins_vs;
+ It ins_it_b = m_ins_b;
+ It ins_it_e = m_ins_b;
+ std::advance(ins_it_e, ins_size);
+
+ typedef __gnu_test::tracker_allocator_counter counter_type;
+ __gnu_test::tracker_allocator<char> alloc;
+
+ const size_t init_mem = counter_type::get_allocation_count()
+ - counter_type::get_deallocation_count();
+ Cntnr cntnr;
+ for (It ins_it = ins_it_b; ins_it != ins_it_e; ++ins_it)
+ cntnr.push(ins_it->first);
+
+ while (cntnr.size() > 1)
+ cntnr.pop();
+
+ const size_t final_mem = counter_type::get_allocation_count()
+ - counter_type::get_deallocation_count();
+ assert(final_mem > init_mem);
+ const size_t delta_mem = final_mem - init_mem;
+ res_set_fmt.add_res(ins_size, static_cast<double>(delta_mem));
+ }
+ }
+ } // namespace test
+} // namespace __gnu_pbds
+
+#endif
+