Nektar++
TestNekMemoryManager.cpp
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1///////////////////////////////////////////////////////////////////////////////
2//
3// File: TestNekMemoryManager.cpp
4//
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7// The MIT License
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9// Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
10// Department of Aeronautics, Imperial College London (UK), and Scientific
11// Computing and Imaging Institute, University of Utah (USA).
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30//
31// Description: Tests the boost utility functions.
32//
33///////////////////////////////////////////////////////////////////////////////
34
35#define NEKTAR_MAX_MEMORY_MANAGER_CONSTRUCTOR_ARGS 4
36
37#include <UnitTests/CountedObject.h>
38
39#include <LibUtilities/Memory/NekMemoryManager.hpp>
40
41namespace Nektar::MemManagerUnitTests
42{
43BOOST_AUTO_TEST_CASE(testParameterizedConstructors)
44{
45 CountedObject<int>::ClearCounters();
46
47 CountedObject<int> *ob1 = MemoryManager<CountedObject<int>>::Allocate();
48 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
49 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions, 0u);
50 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions, 0u);
51 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions, 0u);
52
53 unsigned int one = 1;
54 CountedObject<int> *ob2 = MemoryManager<CountedObject<int>>::Allocate(one);
55 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
56 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions, 1u);
57 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions, 0u);
58 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions, 0u);
59
60 unsigned int two = 2;
61 CountedObject<int> *ob3 =
62 MemoryManager<CountedObject<int>>::Allocate(one, two);
63 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
64 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions, 1u);
65 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions, 1u);
66 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions, 0u);
67
68 unsigned int three = 3;
69 CountedObject<int> *ob4 =
70 MemoryManager<CountedObject<int>>::Allocate(one, two, three);
71 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
72 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions, 1u);
73 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions, 1u);
74 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions, 1u);
75 BOOST_CHECK_EQUAL(ob4->value, 6u);
76
77 MemoryManager<CountedObject<int>>::Deallocate(ob1);
78 MemoryManager<CountedObject<int>>::Deallocate(ob2);
79 MemoryManager<CountedObject<int>>::Deallocate(ob3);
80 MemoryManager<CountedObject<int>>::Deallocate(ob4);
81
82 BOOST_CHECK(ob1 == nullptr);
83 BOOST_CHECK(ob2 == nullptr);
84 BOOST_CHECK(ob3 == nullptr);
85 BOOST_CHECK(ob4 == nullptr);
86
87 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
88 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions, 1u);
89 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions, 1u);
90 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions, 1u);
91 BOOST_CHECK_EQUAL(CountedObject<int>::numberDestroyed, 4u);
92}
93
94BOOST_AUTO_TEST_CASE(testSmartPointerAllocation)
95{
96 CountedObject<int>::ClearCounters();
97
98 {
99 std::shared_ptr<CountedObject<int>> ob1 =
100 MemoryManager<CountedObject<int>>::AllocateSharedPtr();
101 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
102 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions,
103 0u);
104 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions,
105 0u);
106 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions,
107 0u);
108
109 int one = 1;
110 std::shared_ptr<CountedObject<int>> ob2 =
111 MemoryManager<CountedObject<int>>::AllocateSharedPtr(one);
112 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
113 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions,
114 1u);
115 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions,
116 0u);
117 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions,
118 0u);
119
120 int two = 2;
121 std::shared_ptr<CountedObject<int>> ob3 =
122 MemoryManager<CountedObject<int>>::AllocateSharedPtr(one, two);
123 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
124 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions,
125 1u);
126 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions,
127 1u);
128 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions,
129 0u);
130
131 int three = 3;
132 std::shared_ptr<CountedObject<int>> ob4 =
133 MemoryManager<CountedObject<int>>::AllocateSharedPtr(one, two,
134 three);
135 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
136 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions,
137 1u);
138 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions,
139 1u);
140 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions,
141 1u);
142 BOOST_CHECK_EQUAL(ob4->value, 6u);
143 BOOST_CHECK_EQUAL(CountedObject<int>::numberDestroyed, 0u);
144 }
145
146 BOOST_CHECK_EQUAL(CountedObject<int>::numberDestroyed, 4u);
147 BOOST_CHECK_EQUAL(CountedObject<int>::numberDefaultConstructed, 1u);
148 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf1ParameterConstructions, 1u);
149 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf2ParameterConstructions, 1u);
150 BOOST_CHECK_EQUAL(CountedObject<int>::numberOf3ParameterConstructions, 1u);
151 BOOST_CHECK_EQUAL(CountedObject<int>::numberDestroyed, 4u);
152}
153
154BOOST_AUTO_TEST_CASE(ReproduceMemoryErrors)
155{
156 std::shared_ptr<int> m = MemoryManager<int>::AllocateSharedPtr();
157 std::shared_ptr<int> m1 = MemoryManager<int>::AllocateSharedPtr();
158 m1 = MemoryManager<int>::AllocateSharedPtr();
159}
160} // namespace Nektar::MemManagerUnitTests
Nektar::CountedObject::ClearCounters
static void ClearCounters()
Definition: CountedObject.h:102
Nektar::MemoryManager
General purpose memory allocation routines with the ability to allocate from thread specific memory p...
Definition: NekMemoryManager.hpp:81
Nektar::MemoryManager::AllocateSharedPtr
static std::shared_ptr< DataType > AllocateSharedPtr(const Args &...args)
Allocate a shared pointer from the memory pool.
Definition: NekMemoryManager.hpp:166
Nektar::MemManagerUnitTests::BOOST_AUTO_TEST_CASE
BOOST_AUTO_TEST_CASE(testParameterizedConstructors)
Definition: TestNekMemoryManager.cpp:43
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