mirror of https://gitee.com/bigwinds/arangodb
457 lines
12 KiB
C++
457 lines
12 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief test suite for PriorityQueue
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Max Neunhoeffer
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/// @author Copyright 2015, ArangoDB GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include <boost/test/unit_test.hpp>
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#include "Basics/Traverser.h"
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#include "Basics/voc-errors.h"
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#include <vector>
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using namespace std;
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// -----------------------------------------------------------------------------
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// --SECTION-- setup / tear-down
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// -----------------------------------------------------------------------------
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struct CPriorityQueueSetup {
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CPriorityQueueSetup () {
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BOOST_TEST_MESSAGE("setup PriorityQueue");
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}
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~CPriorityQueueSetup () {
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BOOST_TEST_MESSAGE("tear-down PriorityQueue");
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}
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};
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// -----------------------------------------------------------------------------
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// --SECTION-- test suite
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @brief setup
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////////////////////////////////////////////////////////////////////////////////
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struct MyValue {
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std::string _key;
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unsigned int _weight;
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unsigned int weight() const {
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return _weight;
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}
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std::string const& getKey() const {
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return _key;
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}
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void setWeight(unsigned int const w) {
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_weight = w;
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}
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MyValue (std::string k, unsigned int w) : _key(k), _weight(w) {
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}
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};
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BOOST_FIXTURE_TEST_SUITE(CPriorityQueueTest, CPriorityQueueSetup)
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test filling in ascending weight order
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////////////////////////////////////////////////////////////////////////////////
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BOOST_AUTO_TEST_CASE (tst_deque_case) {
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triagens::basics::PriorityQueue<std::string, MyValue, unsigned int> pq;
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BOOST_CHECK_EQUAL(0, (int) pq.size());
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BOOST_CHECK_EQUAL(true, pq.empty());
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bool b;
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MyValue* v;
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b = pq.insert("a", new MyValue("a", 1));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("b", new MyValue("b", 2));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("c", new MyValue("c", 2));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("d", new MyValue("d", 4));
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BOOST_CHECK_EQUAL(b, true);
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v = new MyValue("c", 5);
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b = pq.insert("c", v);
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BOOST_CHECK_EQUAL(b, false);
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delete v;
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BOOST_CHECK_EQUAL(4, (int) pq.size());
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BOOST_CHECK_EQUAL(false, pq.empty());
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MyValue const* p;
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p = pq.find("a");
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BOOST_CHECK_EQUAL((int) p->_weight, 1);
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p = pq.find("b");
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BOOST_CHECK_EQUAL((int) p->_weight, 2);
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p = pq.find("c");
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BOOST_CHECK_EQUAL((int) p->_weight, 2);
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p = pq.find("d");
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BOOST_CHECK_EQUAL((int) p->_weight, 4);
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p = pq.find("abc");
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BOOST_CHECK(p == nullptr);
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std::string k;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "a");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "a");
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BOOST_CHECK_EQUAL(v->_key, "a");
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BOOST_CHECK_EQUAL((int) v->_weight, 1);
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delete v;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "b");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "b");
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BOOST_CHECK_EQUAL(v->_key, "b");
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BOOST_CHECK_EQUAL((int) v->_weight, 2);
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delete v;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "c");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "c");
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BOOST_CHECK_EQUAL(v->_key, "c");
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BOOST_CHECK_EQUAL((int) v->_weight, 2);
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delete v;
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BOOST_CHECK_EQUAL((int) pq.size(), 1);
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BOOST_CHECK_EQUAL(pq.empty(), false);
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "d");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "d");
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BOOST_CHECK_EQUAL(v->_key, "d");
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BOOST_CHECK_EQUAL((int) v->_weight, 4);
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delete v;
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BOOST_CHECK_EQUAL((int) pq.size(), 0);
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BOOST_CHECK_EQUAL(pq.empty(), true);
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p = pq.getMinimal();
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BOOST_CHECK(p == nullptr);
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, false);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test filling in random weight order
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////////////////////////////////////////////////////////////////////////////////
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BOOST_AUTO_TEST_CASE (tst_heap_case) {
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triagens::basics::PriorityQueue<std::string, MyValue, unsigned int> pq;
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BOOST_CHECK_EQUAL(0, (int) pq.size());
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BOOST_CHECK_EQUAL(true, pq.empty());
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bool b;
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MyValue* v;
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b = pq.insert("a", new MyValue("a", 4));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("b", new MyValue("b", 1));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("c", new MyValue("c", 2));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("d", new MyValue("d", 2));
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BOOST_CHECK_EQUAL(b, true);
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v = new MyValue("c", 5);
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b = pq.insert("c", v);
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BOOST_CHECK_EQUAL(b, false);
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delete v;
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BOOST_CHECK_EQUAL(4, (int) pq.size());
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BOOST_CHECK_EQUAL(false, pq.empty());
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MyValue const* p;
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p = pq.find("a");
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BOOST_CHECK_EQUAL((int) p->_weight, 4);
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p = pq.find("b");
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BOOST_CHECK_EQUAL((int) p->_weight, 1);
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p = pq.find("c");
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BOOST_CHECK_EQUAL((int) p->_weight, 2);
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p = pq.find("d");
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BOOST_CHECK_EQUAL((int) p->_weight, 2);
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p = pq.find("abc");
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BOOST_CHECK(p == nullptr);
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std::string k;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "b");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "b");
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BOOST_CHECK_EQUAL(v->_key, "b");
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BOOST_CHECK_EQUAL((int) v->_weight, 1);
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delete v;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "d");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "d");
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BOOST_CHECK_EQUAL(v->_key, "d");
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BOOST_CHECK_EQUAL((int) v->_weight, 2);
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delete v;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "c");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "c");
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BOOST_CHECK_EQUAL(v->_key, "c");
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BOOST_CHECK_EQUAL((int) v->_weight, 2);
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delete v;
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BOOST_CHECK_EQUAL((int) pq.size(), 1);
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BOOST_CHECK_EQUAL(pq.empty(), false);
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "a");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "a");
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BOOST_CHECK_EQUAL(v->_key, "a");
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BOOST_CHECK_EQUAL((int) v->_weight, 4);
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delete v;
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BOOST_CHECK_EQUAL((int) pq.size(), 0);
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BOOST_CHECK_EQUAL(pq.empty(), true);
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p = pq.getMinimal();
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BOOST_CHECK(p == nullptr);
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, false);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test filling in ascending weight order, but then doing lowerWeight
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////////////////////////////////////////////////////////////////////////////////
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BOOST_AUTO_TEST_CASE (tst_deque_case_with_lowering) {
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triagens::basics::PriorityQueue<std::string, MyValue, unsigned int> pq;
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BOOST_CHECK_EQUAL(0, (int) pq.size());
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BOOST_CHECK_EQUAL(true, pq.empty());
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bool b;
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MyValue* v;
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b = pq.insert("a", new MyValue("a", 1));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("b", new MyValue("b", 2));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("c", new MyValue("c", 2));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("d", new MyValue("d", 4));
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BOOST_CHECK_EQUAL(b, true);
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v = new MyValue("c", 5);
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b = pq.insert("c", v);
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BOOST_CHECK_EQUAL(b, false);
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delete v;
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BOOST_CHECK_EQUAL(4, (int) pq.size());
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BOOST_CHECK_EQUAL(false, pq.empty());
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pq.lowerWeight("d", 1); // This moves "d" before "b" and "c"
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MyValue const* p;
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p = pq.find("a");
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BOOST_CHECK_EQUAL((int) p->_weight, 1);
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p = pq.find("b");
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BOOST_CHECK_EQUAL((int) p->_weight, 2);
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p = pq.find("c");
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BOOST_CHECK_EQUAL((int) p->_weight, 2);
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p = pq.find("d");
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BOOST_CHECK_EQUAL((int) p->_weight, 1);
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p = pq.find("abc");
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BOOST_CHECK(p == nullptr);
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std::string k;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "a");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "a");
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BOOST_CHECK_EQUAL(v->_key, "a");
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BOOST_CHECK_EQUAL((int) v->_weight, 1);
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delete v;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "d");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "d");
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BOOST_CHECK_EQUAL(v->_key, "d");
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BOOST_CHECK_EQUAL((int) v->_weight, 1);
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delete v;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "c");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "c");
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BOOST_CHECK_EQUAL(v->_key, "c");
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BOOST_CHECK_EQUAL((int) v->_weight, 2);
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delete v;
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BOOST_CHECK_EQUAL((int) pq.size(), 1);
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BOOST_CHECK_EQUAL(pq.empty(), false);
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "b");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "b");
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BOOST_CHECK_EQUAL(v->_key, "b");
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BOOST_CHECK_EQUAL((int) v->_weight, 2);
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delete v;
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BOOST_CHECK_EQUAL((int) pq.size(), 0);
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BOOST_CHECK_EQUAL(pq.empty(), true);
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p = pq.getMinimal();
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BOOST_CHECK(p == nullptr);
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, false);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief test filling in random weight order, and later lowering some weight
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////////////////////////////////////////////////////////////////////////////////
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BOOST_AUTO_TEST_CASE (tst_heap_case_with_lowering) {
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triagens::basics::PriorityQueue<std::string, MyValue, unsigned int> pq;
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BOOST_CHECK_EQUAL(0, (int) pq.size());
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BOOST_CHECK_EQUAL(true, pq.empty());
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bool b;
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MyValue* v;
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b = pq.insert("a", new MyValue("a", 4));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("b", new MyValue("b", 2));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("c", new MyValue("c", 3));
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BOOST_CHECK_EQUAL(b, true);
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b = pq.insert("d", new MyValue("d", 3));
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BOOST_CHECK_EQUAL(b, true);
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v = new MyValue("c", 5);
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b = pq.insert("c", v);
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BOOST_CHECK_EQUAL(b, false);
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delete v;
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BOOST_CHECK_EQUAL(4, (int) pq.size());
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BOOST_CHECK_EQUAL(false, pq.empty());
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pq.lowerWeight("a", 1); // This moves "a" before all others
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MyValue const* p;
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p = pq.find("a");
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BOOST_CHECK_EQUAL((int) p->_weight, 1);
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p = pq.find("b");
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BOOST_CHECK_EQUAL((int) p->_weight, 2);
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p = pq.find("c");
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BOOST_CHECK_EQUAL((int) p->_weight, 3);
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p = pq.find("d");
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BOOST_CHECK_EQUAL((int) p->_weight, 3);
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p = pq.find("abc");
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BOOST_CHECK(p == nullptr);
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std::string k;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "a");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "a");
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BOOST_CHECK_EQUAL(v->_key, "a");
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BOOST_CHECK_EQUAL((int) v->_weight, 1);
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delete v;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "b");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "b");
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BOOST_CHECK_EQUAL(v->_key, "b");
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BOOST_CHECK_EQUAL((int) v->_weight, 2);
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delete v;
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "c");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "c");
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BOOST_CHECK_EQUAL(v->_key, "c");
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BOOST_CHECK_EQUAL((int) v->_weight, 3);
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delete v;
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BOOST_CHECK_EQUAL((int) pq.size(), 1);
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BOOST_CHECK_EQUAL(pq.empty(), false);
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p = pq.getMinimal();
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BOOST_CHECK_EQUAL(p->_key, "d");
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, true);
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BOOST_CHECK_EQUAL(k, "d");
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BOOST_CHECK_EQUAL(v->_key, "d");
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BOOST_CHECK_EQUAL((int) v->_weight, 3);
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delete v;
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BOOST_CHECK_EQUAL((int) pq.size(), 0);
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BOOST_CHECK_EQUAL(pq.empty(), true);
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p = pq.getMinimal();
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BOOST_CHECK(p == nullptr);
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b = pq.popMinimal(k, v);
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BOOST_CHECK_EQUAL(b, false);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief generate tests
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////////////////////////////////////////////////////////////////////////////////
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BOOST_AUTO_TEST_SUITE_END ()
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
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// End:
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