--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+/*
+ * Copyright (C) 2016 Red Hat Inc.
+ */
+
+#include <iostream>
+#include <memory>
+#include <set>
+
+#include "gtest/gtest.h"
+
+#include "indirect_intrusive_heap.h"
+
+
+struct Elem {
+ int data;
+
+ crimson::IndIntruHeapData heap_data;
+ crimson::IndIntruHeapData heap_data_alt;
+
+ Elem(int _data) : data(_data) { }
+
+ bool operator==(const Elem& other) {
+ return data == other.data;
+ }
+
+ friend std::ostream& operator<<(std::ostream& out, const Elem& d) {
+ out << d.data;
+ return out;
+ }
+};
+
+
+// sorted low to high
+struct ElemCompare {
+ bool operator()(const Elem& d1, const Elem& d2) const {
+ return d1.data < d2.data;
+ }
+};
+
+
+// first all evens precede all odds, then they're sorted high to low
+struct ElemCompareAlt {
+ bool operator()(const Elem& d1, const Elem& d2) {
+ if (0 == d1.data % 2) {
+ if (0 == d2.data % 2) {
+ return d1.data > d2.data;
+ } else {
+ return true;
+ }
+ } else if (0 == d2.data % 2) {
+ return false;
+ } else {
+ return d1.data > d2.data;
+ }
+ }
+};
+
+
+class HeapFixture1: public ::testing::Test {
+
+public:
+
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare> heap;
+
+ std::shared_ptr<Elem> data1, data2, data3, data4, data5, data6, data7;
+
+ void SetUp() {
+ data1 = std::make_shared<Elem>(2);
+ data2 = std::make_shared<Elem>(99);
+ data3 = std::make_shared<Elem>(1);
+ data4 = std::make_shared<Elem>(-5);
+ data5 = std::make_shared<Elem>(12);
+ data6 = std::make_shared<Elem>(-12);
+ data7 = std::make_shared<Elem>(-7);
+
+ heap.push(data1);
+ heap.push(data2);
+ heap.push(data3);
+ heap.push(data4);
+ heap.push(data5);
+ heap.push(data6);
+ heap.push(data7);
+ }
+
+ void TearDown() {
+ // nothing to do
+ }
+}; // class HeapFixture1
+
+TEST(IndIntruHeap, shared_ptr) {
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare> heap;
+
+ EXPECT_TRUE(heap.empty());
+
+ heap.push(std::make_shared<Elem>(2));
+
+ EXPECT_FALSE(heap.empty());
+
+ heap.push(std::make_shared<Elem>(99));
+ heap.push(std::make_shared<Elem>(1));
+ heap.push(std::make_shared<Elem>(-5));
+ heap.push(std::make_shared<Elem>(12));
+ heap.push(std::make_shared<Elem>(-12));
+ heap.push(std::make_shared<Elem>(-7));
+
+ // std::cout << heap << std::endl;
+
+ EXPECT_FALSE(heap.empty());
+
+ EXPECT_EQ(-12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-7, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-5, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(1, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(2, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(99, heap.top().data);
+
+ EXPECT_FALSE(heap.empty());
+ heap.pop();
+ EXPECT_TRUE(heap.empty());
+}
+
+
+TEST(IndIntruHeap, unique_ptr) {
+ crimson::IndIntruHeap<std::unique_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare> heap;
+
+ EXPECT_TRUE(heap.empty());
+
+ heap.push(std::unique_ptr<Elem>(new Elem(2)));
+
+ EXPECT_FALSE(heap.empty());
+
+ heap.push(std::unique_ptr<Elem>(new Elem(99)));
+ heap.push(std::unique_ptr<Elem>(new Elem(1)));
+ heap.push(std::unique_ptr<Elem>(new Elem(-5)));
+ heap.push(std::unique_ptr<Elem>(new Elem(12)));
+ heap.push(std::unique_ptr<Elem>(new Elem(-12)));
+ heap.push(std::unique_ptr<Elem>(new Elem(-7)));
+
+ EXPECT_FALSE(heap.empty());
+
+ EXPECT_EQ(-12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-7, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-5, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(1, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(2, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(99, heap.top().data);
+
+ EXPECT_FALSE(heap.empty());
+ heap.pop();
+ EXPECT_TRUE(heap.empty());
+}
+
+
+TEST(IndIntruHeap, regular_ptr) {
+ crimson::IndIntruHeap<Elem*, Elem, &Elem::heap_data, ElemCompare> heap;
+
+ EXPECT_TRUE(heap.empty());
+
+ heap.push(new Elem(2));
+
+ EXPECT_FALSE(heap.empty());
+
+ heap.push(new Elem(99));
+ heap.push(new Elem(1));
+ heap.push(new Elem(-5));
+ heap.push(new Elem(12));
+ heap.push(new Elem(-12));
+ heap.push(new Elem(-7));
+
+ EXPECT_FALSE(heap.empty());
+
+ EXPECT_EQ(-12, heap.top().data);
+ delete &heap.top();
+ heap.pop();
+ EXPECT_EQ(-7, heap.top().data);
+ delete &heap.top();
+ heap.pop();
+ EXPECT_EQ(-5, heap.top().data);
+ delete &heap.top();
+ heap.pop();
+ EXPECT_EQ(1, heap.top().data);
+ delete &heap.top();
+ heap.pop();
+ EXPECT_EQ(2, heap.top().data);
+ delete &heap.top();
+ heap.pop();
+ EXPECT_EQ(12, heap.top().data);
+ delete &heap.top();
+ heap.pop();
+ EXPECT_EQ(99, heap.top().data);
+
+ delete &heap.top();
+
+ EXPECT_FALSE(heap.empty());
+ heap.pop();
+ EXPECT_TRUE(heap.empty());
+}
+
+
+TEST(IndIntruHeap, K_3) {
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare,
+ 3> heap;
+
+ EXPECT_TRUE(heap.empty());
+
+ heap.push(std::make_shared<Elem>(2));
+
+ EXPECT_FALSE(heap.empty());
+
+ heap.push(std::make_shared<Elem>(99));
+ heap.push(std::make_shared<Elem>(1));
+ heap.push(std::make_shared<Elem>(-5));
+ heap.push(std::make_shared<Elem>(12));
+ heap.push(std::make_shared<Elem>(-12));
+ heap.push(std::make_shared<Elem>(-7));
+
+ // std::cout << heap << std::endl;
+
+ EXPECT_FALSE(heap.empty());
+
+ EXPECT_EQ(-12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-7, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-5, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(1, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(2, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(99, heap.top().data);
+
+ EXPECT_FALSE(heap.empty());
+ heap.pop();
+ EXPECT_TRUE(heap.empty());
+}
+
+
+TEST(IndIntruHeap, K_4) {
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare,
+ 4> heap;
+
+ EXPECT_TRUE(heap.empty());
+
+ heap.push(std::make_shared<Elem>(2));
+
+ EXPECT_FALSE(heap.empty());
+
+ heap.push(std::make_shared<Elem>(99));
+ heap.push(std::make_shared<Elem>(1));
+ heap.push(std::make_shared<Elem>(-5));
+ heap.push(std::make_shared<Elem>(12));
+ heap.push(std::make_shared<Elem>(-12));
+ heap.push(std::make_shared<Elem>(-7));
+
+ // std::cout << heap << std::endl;
+
+ EXPECT_FALSE(heap.empty());
+
+ EXPECT_EQ(-12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-7, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-5, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(1, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(2, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(99, heap.top().data);
+
+ EXPECT_FALSE(heap.empty());
+ heap.pop();
+ EXPECT_TRUE(heap.empty());
+}
+
+
+TEST(IndIntruHeap, K_10) {
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare,
+ 10> heap;
+
+ EXPECT_TRUE(heap.empty());
+
+ heap.push(std::make_shared<Elem>(2));
+
+ EXPECT_FALSE(heap.empty());
+
+ heap.push(std::make_shared<Elem>(99));
+ heap.push(std::make_shared<Elem>(1));
+ heap.push(std::make_shared<Elem>(-5));
+ heap.push(std::make_shared<Elem>(12));
+ heap.push(std::make_shared<Elem>(-12));
+ heap.push(std::make_shared<Elem>(-7));
+
+ // std::cout << heap << std::endl;
+
+ EXPECT_FALSE(heap.empty());
+
+ EXPECT_EQ(-12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-7, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-5, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(1, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(2, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(99, heap.top().data);
+
+ EXPECT_FALSE(heap.empty());
+ heap.pop();
+ EXPECT_TRUE(heap.empty());
+}
+
+
+TEST(IndIntruHeap, multi_K) {
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare,
+ 2> heap2;
+
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare,
+ 3> heap3;
+
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare,
+ 4> heap4;
+
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare,
+ 10> heap10;
+
+ // 250 should give us at least 4 levels on all heaps
+ constexpr size_t count = 250;
+
+ std::srand(std::time(0)); // use current time as seed for random generator
+
+ // insert same set of random values into the four heaps
+ for (size_t i = 0; i < count; ++i) {
+ int value = std::rand() % 201 - 100; // -100...+100
+ auto data = std::make_shared<Elem>(value);
+ heap2.push(data);
+ heap3.push(data);
+ heap4.push(data);
+ heap10.push(data);
+ }
+
+ auto bound = std::numeric_limits<decltype(Elem::data)>::min();
+
+ for (size_t i = 0; i < count; ++i) {
+ auto current = heap2.top().data;
+
+ EXPECT_GE(current, bound) <<
+ "we should never go down, only increase or remain the same";
+ EXPECT_EQ(current, heap3.top().data) <<
+ "heap1's data and heap3's data should match";
+ EXPECT_EQ(current, heap4.top().data) <<
+ "heap1's data and heap4's data should match";
+ EXPECT_EQ(current, heap10.top().data) <<
+ "heap1's data and heap10's data should match";
+
+ heap2.pop();
+ heap3.pop();
+ heap4.pop();
+ heap10.pop();
+
+ bound = current;
+ }
+
+ EXPECT_TRUE(heap2.empty()) << "should be empty after all elements popped";
+ EXPECT_TRUE(heap3.empty()) << "should be empty after all elements popped";
+ EXPECT_TRUE(heap4.empty()) << "should be empty after all elements popped";
+ EXPECT_TRUE(heap10.empty()) << "should be empty after all elements popped";
+}
+
+
+TEST(IndIntruHeap, demote) {
+ crimson::IndIntruHeap<std::unique_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare> heap;
+
+ heap.push(std::unique_ptr<Elem>(new Elem(2)));
+ heap.push(std::unique_ptr<Elem>(new Elem(99)));
+ heap.push(std::unique_ptr<Elem>(new Elem(1)));
+ heap.push(std::unique_ptr<Elem>(new Elem(-5)));
+ heap.push(std::unique_ptr<Elem>(new Elem(12)));
+ heap.push(std::unique_ptr<Elem>(new Elem(-12)));
+ heap.push(std::unique_ptr<Elem>(new Elem(-7)));
+
+ heap.top().data = 24;
+
+ heap.demote(heap.top());
+
+ EXPECT_EQ(-7, heap.top().data);
+
+ heap.pop();
+ heap.pop();
+ heap.pop();
+ heap.pop();
+ heap.pop();
+
+ EXPECT_EQ(24, heap.top().data);
+}
+
+
+TEST(IndIntruHeap, demote_not) {
+ crimson::IndIntruHeap<std::unique_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare> heap;
+
+ heap.push(std::unique_ptr<Elem>(new Elem(2)));
+ heap.push(std::unique_ptr<Elem>(new Elem(99)));
+ heap.push(std::unique_ptr<Elem>(new Elem(1)));
+ heap.push(std::unique_ptr<Elem>(new Elem(-5)));
+ heap.push(std::unique_ptr<Elem>(new Elem(12)));
+ heap.push(std::unique_ptr<Elem>(new Elem(-12)));
+ heap.push(std::unique_ptr<Elem>(new Elem(-7)));
+
+ heap.top().data = -99;
+
+ heap.demote(heap.top());
+
+ EXPECT_EQ(-99, heap.top().data);
+
+ heap.pop();
+
+ EXPECT_EQ(-7, heap.top().data);
+}
+
+
+TEST(IndIntruHeap, promote_and_demote) {
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare> heap;
+
+ auto data1 = std::make_shared<Elem>(1);
+
+ heap.push(std::make_shared<Elem>(2));
+ heap.push(std::make_shared<Elem>(99));
+ heap.push(data1);
+ heap.push(std::make_shared<Elem>(-5));
+ heap.push(std::make_shared<Elem>(12));
+ heap.push(std::make_shared<Elem>(-12));
+ heap.push(std::make_shared<Elem>(-7));
+
+ EXPECT_EQ(-12, heap.top().data);
+
+ data1->data = -99;
+ heap.promote(*data1);
+
+ EXPECT_EQ(-99, heap.top().data);
+
+ data1->data = 999;
+ heap.demote(*data1);
+
+ EXPECT_EQ(-12, heap.top().data);
+
+ data1->data = 9;
+ heap.promote(*data1);
+
+ heap.pop(); // remove -12
+ heap.pop(); // remove -7
+ heap.pop(); // remove -5
+ heap.pop(); // remove 2
+
+ EXPECT_EQ(9, heap.top().data);
+}
+
+
+TEST(IndIntruHeap, adjust) {
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare> heap;
+
+ auto data1 = std::make_shared<Elem>(1);
+
+ heap.push(std::make_shared<Elem>(2));
+ heap.push(std::make_shared<Elem>(99));
+ heap.push(data1);
+ heap.push(std::make_shared<Elem>(-5));
+ heap.push(std::make_shared<Elem>(12));
+ heap.push(std::make_shared<Elem>(-12));
+ heap.push(std::make_shared<Elem>(-7));
+
+ // heap.display_sorted(std::cout);
+
+ EXPECT_EQ(-12, heap.top().data);
+
+ data1->data = 999;
+ heap.adjust(*data1);
+
+ EXPECT_EQ(-12, heap.top().data);
+
+ data1->data = -99;
+ heap.adjust(*data1);
+
+ EXPECT_EQ(-99, heap.top().data);
+
+ data1->data = 9;
+ heap.adjust(*data1);
+
+ EXPECT_EQ(-12, heap.top().data);
+
+ heap.pop(); // remove -12
+ heap.pop(); // remove -7
+ heap.pop(); // remove -5
+ heap.pop(); // remove 2
+
+ EXPECT_EQ(9, heap.top().data);
+}
+
+
+TEST(IndIntruHeap, remove_careful) {
+ // here we test whether a common mistake in implementing remove is
+ // done; if after we remove an item and move the last element of the
+ // heap to the position of the removed element, we need to sift it
+ // rather than sift_down it.
+
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,
+ Elem,
+ &Elem::heap_data,
+ ElemCompare,
+ 2> heap;
+
+ heap.push(std::make_shared<Elem>(0));
+ heap.push(std::make_shared<Elem>(10));
+ heap.push(std::make_shared<Elem>(100));
+ heap.push(std::make_shared<Elem>(20));
+ heap.push(std::make_shared<Elem>(30));
+ heap.push(std::make_shared<Elem>(200));
+ heap.push(std::make_shared<Elem>(300));
+ heap.push(std::make_shared<Elem>(40));
+
+ auto k = heap.find(Elem(200));
+ EXPECT_NE(heap.end(), k) <<
+ "we should have found an element with the value 200, which we'll remove";
+ heap.remove(k);
+
+ auto i = heap.cbegin();
+ EXPECT_EQ(0, i->data);
+ ++i;
+ EXPECT_EQ(10, i->data);
+ ++i;
+ EXPECT_EQ(40, i->data) <<
+ "this needs to be 40 or there's a mistake in implementation";
+ ++i;
+ EXPECT_EQ(20, i->data);
+ ++i;
+ EXPECT_EQ(30, i->data);
+ ++i;
+ EXPECT_EQ(100, i->data) <<
+ "this needs to be 100 or there's a mistake in implementation";
+}
+
+
+TEST_F(HeapFixture1, shared_data) {
+
+ crimson::IndIntruHeap<std::shared_ptr<Elem>,Elem,&Elem::heap_data_alt,ElemCompareAlt> heap2;
+
+ heap2.push(data1);
+ heap2.push(data2);
+ heap2.push(data3);
+ heap2.push(data4);
+ heap2.push(data5);
+ heap2.push(data6);
+ heap2.push(data7);
+
+ data3->data = 32;
+ heap.adjust(*data3);
+ heap2.adjust(*data3);
+
+ EXPECT_EQ(-12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-7, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-5, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(2, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(32, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(99, heap.top().data);
+
+ EXPECT_EQ(32, heap2.top().data);
+ heap2.pop();
+ EXPECT_EQ(12, heap2.top().data);
+ heap2.pop();
+ EXPECT_EQ(2, heap2.top().data);
+ heap2.pop();
+ EXPECT_EQ(-12, heap2.top().data);
+ heap2.pop();
+ EXPECT_EQ(99, heap2.top().data);
+ heap2.pop();
+ EXPECT_EQ(-5, heap2.top().data);
+ heap2.pop();
+ EXPECT_EQ(-7, heap2.top().data);
+}
+
+
+TEST_F(HeapFixture1, iterator_basics) {
+ {
+ uint count = 0;
+ for(auto i = heap.begin(); i != heap.end(); ++i) {
+ ++count;
+ }
+
+ EXPECT_EQ(7u, count) << "count should be 7";
+ }
+
+ auto i1 = heap.begin();
+
+ EXPECT_EQ(-12, i1->data) <<
+ "first member with * operator must be smallest";
+
+ EXPECT_EQ(-12, (*i1).data) <<
+ "first member with -> operator must be smallest";
+
+ Elem& e1 = *i1;
+ EXPECT_EQ(-12, e1.data) <<
+ "first member with -> operator must be smallest";
+
+ {
+ std::set<int> values;
+ values.insert(2);
+ values.insert(99);
+ values.insert(1);
+ values.insert(-5);
+ values.insert(12);
+ values.insert(-12);
+ values.insert(-7);
+
+ for(auto i = heap.begin(); i != heap.end(); ++i) {
+ auto v = *i;
+ EXPECT_NE(values.end(), values.find(v.data)) <<
+ "value in heap must be part of original set";
+ values.erase(v.data);
+ }
+ EXPECT_EQ(0u, values.size()) << "all values must have been seen";
+ }
+}
+
+
+TEST_F(HeapFixture1, const_iterator_basics) {
+ const auto& cheap = heap;
+
+ {
+ uint count = 0;
+ for(auto i = cheap.cbegin(); i != cheap.cend(); ++i) {
+ ++count;
+ }
+
+ EXPECT_EQ(7u, count) << "count should be 7";
+ }
+
+ auto i1 = heap.cbegin();
+
+ EXPECT_EQ(-12, i1->data) <<
+ "first member with * operator must be smallest";
+
+ EXPECT_EQ(-12, (*i1).data) <<
+ "first member with -> operator must be smallest";
+
+ const Elem& e1 = *i1;
+ EXPECT_EQ(-12, e1.data) <<
+ "first member with -> operator must be smallest";
+
+ {
+ std::set<int> values;
+ values.insert(2);
+ values.insert(99);
+ values.insert(1);
+ values.insert(-5);
+ values.insert(12);
+ values.insert(-12);
+ values.insert(-7);
+
+ for(auto i = heap.cbegin(); i != heap.cend(); ++i) {
+ auto v = *i;
+ EXPECT_NE(values.end(), values.find(v.data)) <<
+ "value in heap must be part of original set";
+ values.erase(v.data);
+ }
+ EXPECT_EQ(0u, values.size()) << "all values must have been seen";
+ }
+}
+
+
+TEST_F(HeapFixture1, iterator_find_rfind) {
+ {
+ auto it1 = heap.find(data7);
+ EXPECT_NE(heap.end(), it1) <<
+ "find by indirection for included element should succeed";
+ EXPECT_EQ(-7, it1->data) <<
+ "find by indirection for included element should result in right value";
+
+ auto fake_data = std::make_shared<Elem>(-7);
+ auto it2 = heap.find(fake_data);
+ EXPECT_EQ(heap.end(), it2) <<
+ "find by indirection for not included element should fail";
+ }
+
+ {
+ auto it1 = heap.find(Elem(-7));
+ EXPECT_NE(heap.end(), it1) <<
+ "find by value for included element should succeed";
+ EXPECT_EQ(-7, it1->data) <<
+ "find by value for included element should result in right value";
+
+ auto it2 = heap.find(Elem(7));
+ EXPECT_EQ(heap.end(), it2) <<
+ "find by value for not included element should fail";
+ }
+
+ {
+ auto it1 = heap.rfind(data7);
+ EXPECT_NE(heap.end(), it1) <<
+ "reverse find by indirecton for included element should succeed";
+ EXPECT_EQ(-7, it1->data) <<
+ "reverse find by indirection for included element should result "
+ "in right value";
+
+ auto fake_data = std::make_shared<Elem>(-7);
+ auto it2 = heap.rfind(fake_data);
+ EXPECT_EQ(heap.end(), it2) <<
+ "reverse find by indirection for not included element should fail";
+ }
+
+ {
+ auto it1 = heap.rfind(Elem(-7));
+ EXPECT_NE(heap.end(), it1) <<
+ "reverse find by value for included element should succeed";
+ EXPECT_EQ(-7, it1->data) <<
+ "reverse find by value for included element should result "
+ "in right value";
+
+ auto it2 = heap.rfind(Elem(7));
+ EXPECT_EQ(heap.end(), it2) <<
+ "reverse find by value for not included element should fail";
+ }
+}
+
+
+TEST_F(HeapFixture1, const_iterator_find_rfind) {
+ const auto& c_heap = heap;
+
+ {
+ auto it1 = c_heap.find(data7);
+ EXPECT_NE(c_heap.cend(), it1) <<
+ "find by indirection for included element should succeed";
+ EXPECT_EQ(-7, it1->data) <<
+ "find by indirection for included element should result in right value";
+
+ auto fake_data = std::make_shared<Elem>(-7);
+ auto it2 = c_heap.find(fake_data);
+ EXPECT_EQ(c_heap.cend(), it2) <<
+ "find by indirection for not included element should fail";
+ }
+
+ {
+ auto it1 = c_heap.find(Elem(-7));
+ EXPECT_NE(c_heap.cend(), it1) <<
+ "find by value for included element should succeed";
+ EXPECT_EQ(-7, it1->data) <<
+ "find by value for included element should result in right value";
+
+ auto it2 = c_heap.find(Elem(7));
+ EXPECT_EQ(c_heap.cend(), it2) <<
+ "find by value for not included element should fail";
+ }
+
+ {
+ auto it1 = c_heap.rfind(data7);
+ EXPECT_NE(c_heap.cend(), it1) <<
+ "reverse find by indirecton for included element should succeed";
+ EXPECT_EQ(-7, it1->data) <<
+ "reverse find by indirection for included element should result "
+ "in right value";
+
+ auto fake_data = std::make_shared<Elem>(-7);
+ auto it2 = c_heap.rfind(fake_data);
+ EXPECT_EQ(c_heap.cend(), it2) <<
+ "reverse find by indirection for not included element should fail";
+ }
+
+ {
+ auto it1 = c_heap.rfind(Elem(-7));
+ EXPECT_NE(c_heap.cend(), it1) <<
+ "reverse find by value for included element should succeed";
+ EXPECT_EQ(-7, it1->data) <<
+ "reverse find by value for included element should result "
+ "in right value";
+
+ auto it2 = c_heap.rfind(Elem(7));
+ EXPECT_EQ(c_heap.cend(), it2) <<
+ "reverse find by value for not included element should fail";
+ }
+}
+
+
+TEST_F(HeapFixture1, iterator_remove) {
+ auto it1 = heap.find(data7);
+ EXPECT_NE(heap.end(), it1) << "find for included element should succeed";
+
+ heap.remove(it1);
+
+ auto it2 = heap.find(data7);
+ EXPECT_EQ(heap.end(), it2) << "find for removed element should fail";
+
+ for (auto it3 = heap.begin(); it3 != heap.end(); ++it3) {
+ EXPECT_NE(-7, it3->data) <<
+ "iterating through heap should not find removed value";
+ }
+
+ // move through heap without -7
+ EXPECT_EQ(-12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(-5, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(1, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(2, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(12, heap.top().data);
+ heap.pop();
+ EXPECT_EQ(99, heap.top().data);
+ heap.pop();
+}
+
+
+TEST_F(HeapFixture1, four_tops) {
+ Elem& top1 = heap.top();
+ EXPECT_EQ(-12, top1.data);
+
+ const Elem& top2 = heap.top();
+ EXPECT_EQ(-12, top2.data);
+
+ std::shared_ptr<Elem> top3 = heap.top_ind();
+ EXPECT_EQ(-12, top3->data);
+
+ const std::shared_ptr<Elem> top4 = heap.top_ind();
+ EXPECT_EQ(-12, top4->data);
+
+ const auto& c_heap = heap;
+
+ const Elem& top5 = c_heap.top();
+ EXPECT_EQ(-12, top5.data);
+
+ const std::shared_ptr<Elem> top6 = c_heap.top_ind();
+ EXPECT_EQ(-12, top6->data);
+}
+
+
+TEST_F(HeapFixture1, display_sorted) {
+ std::stringstream ss;
+
+ heap.display_sorted(ss);
+
+ std::string s = ss.str();
+
+ EXPECT_GT(s.length(), 0u);
+
+ auto negseven = s.find("-7");
+ EXPECT_NE(negseven, std::string::npos);
+
+ auto ninetynine = s.find("99");
+ EXPECT_NE(ninetynine, std::string::npos);
+
+ // index of -7 should be less than index of 99
+ EXPECT_LT(negseven, ninetynine);
+
+#if 0
+ std::cout << s << std::endl;
+#endif
+}
Code Review / stor4nfv.git / blobdiff