source: src/unittests/memoryusageobserverunittest.cpp@ d5f216

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Last change on this file since d5f216 was be90f1, checked in by Saskia Metzler <metzler@…>, 15 years ago

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1/*
2 * memoryusageobserverunittest.cpp
3 */
4
5
6using namespace std;
7
8#include <cppunit/CompilerOutputter.h>
9#include <cppunit/extensions/TestFactoryRegistry.h>
10#include <cppunit/ui/text/TestRunner.h>
11
12#include "memoryallocator.hpp"
13#include "memoryusageobserver.hpp"
14#include "memoryusageobserverunittest.hpp"
15
16/********************************************** Test classes **************************************/
17// Registers the fixture into the 'registry'
18CPPUNIT_TEST_SUITE_REGISTRATION( MemoryUsageObserverTest );
19
20
21void MemoryUsageObserverTest::setUp()
22{
23};
24
25
26void MemoryUsageObserverTest::tearDown()
27{
28 MemoryUsageObserver::purgeInstance();
29};
30
31/**
32 * UnitTest for getInstance()
33 */
34void MemoryUsageObserverTest::getInstanceReturnsMemoryUsageObserverTest()
35{
36 CPPUNIT_ASSERT_EQUAL(true, MemoryUsageObserver::getInstance() != NULL);
37};
38
39/**
40 * UnitTest for getInstance()
41 */
42void MemoryUsageObserverTest::getInstanceTwiceReturnsSameInstanceTest()
43{
44 int* i = Malloc<int>(1, "MemoryUsageObserverTest::getInstanceTwiceReturnsSameInstanceTest - i");
45 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
46 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
47 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
48};
49
50/**
51 * UnitTest for getInstance()
52 */
53void MemoryUsageObserverTest::getInstanceAfterPurgeInstanceReturnsNewInstanceTest()
54{
55 int* i = Malloc<int>(1, "MemoryUsageObserverTest::getInstanceAfterPurgeInstanceReturnsNewInstanceTest - i");
56 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
57 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
58 MemoryUsageObserver::purgeInstance();
59 CPPUNIT_ASSERT_EQUAL((size_t) 0, MemoryUsageObserver::getInstance()->getUsedMemorySize());
60};
61
62/**
63 * UnitTest for addMemory() and removeMemory()
64 */
65void MemoryUsageObserverTest::addAndRemoveMemoryTest()
66{
67 int* i = Malloc<int>(1, "MemoryUsageObserverTest::addAndRemoveMemoryTest - i");
68 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
69 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
70 MemoryUsageObserver::getInstance()->removeMemory(i);
71 CPPUNIT_ASSERT_EQUAL((size_t) 0, MemoryUsageObserver::getInstance()->getUsedMemorySize());
72};
73
74/**
75 * UnitTest for addMemory() and removeMemory()
76 */
77void MemoryUsageObserverTest::removeNonTrackedMemoryDoesNotCauseACrashTest()
78{
79 int* i = Malloc<int>(1, "MemoryUsageObserverTest::removeNonTrackedMemoryDoesNotCauseACrashTest - i");
80 MemoryUsageObserver::getInstance()->removeMemory(i);
81 CPPUNIT_ASSERT_EQUAL((size_t) 0, MemoryUsageObserver::getInstance()->getUsedMemorySize());
82};
83
84/**
85 * UnitTest for addMemory() and removeMemory()
86 */
87void MemoryUsageObserverTest::addMemoryTwiceTest()
88{
89 int* i = Malloc<int>(1, "MemoryUsageObserverTest::addMemoryTwiceTest - i");
90 int* j = Malloc<int>(1, "MemoryUsageObserverTest::addMemoryTwiceTest - j");
91 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
92 MemoryUsageObserver::getInstance()->addMemory(j, sizeof(int));
93 CPPUNIT_ASSERT_EQUAL(2 * sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
94};
95
96/**
97 * UnitTest for addMemory() and removeMemory()
98 */
99void MemoryUsageObserverTest::addMemoryAndChangeSizeOfAddedMemoryTest()
100{
101 int* i = Malloc<int>(1, "MemoryUsageObserverTest::addMemoryAndChangeSizeOfAddedMemoryTest - i");
102 MemoryUsageObserver::getInstance()->addMemory(i, 2 * sizeof(int));
103 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
104 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
105};
106
107/**
108 * UnitTest for getMaximumUsedMemory()
109 */
110void MemoryUsageObserverTest::addMemoryChangeSizeOfAddedMemoryAndGetMaximumSizeTest()
111{
112 int* i = Malloc<int>(1, "MemoryUsageObserverTest::addMemoryChangeSizeOfAddedMemoryAndGetMaximumSizeTest - i");
113 MemoryUsageObserver::getInstance()->addMemory(i, 2 * sizeof(int));
114 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
115 CPPUNIT_ASSERT_EQUAL(2 * sizeof(int), MemoryUsageObserver::getInstance()->getMaximumUsedMemory());
116};
117
118/**
119 * UnitTest for getMaximumUsedMemory()
120 */
121void MemoryUsageObserverTest::addMemoryRemoveMemoryAndGetMaximumSizeTest()
122{
123 int* i = Malloc<int>(1, "MemoryUsageObserverTest::addMemoryRemoveMemoryAndGetMaximumSizeTest - i");
124 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
125 MemoryUsageObserver::getInstance()->removeMemory(i);
126 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getMaximumUsedMemory());
127};
128
129/**
130 * UnitTest for getPointersToAllocatedMemory()
131 */
132void MemoryUsageObserverTest::getPointersToAllocatedMemoryTest()
133{
134 int* i = Malloc<int>(1, "MemoryUsageObserverTest::getPointersToAllocatedMemoryTest - i");
135 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
136 CPPUNIT_ASSERT_EQUAL(i, (int*) MemoryUsageObserver::getInstance()->getPointersToAllocatedMemory().begin()->first);
137};
138
139
140/********************************************** Main routine **************************************/
141
142int main(int argc, char **argv)
143{
144 // Get the top level suite from the registry
145 CppUnit::Test *suite = CppUnit::TestFactoryRegistry::getRegistry().makeTest();
146
147 // Adds the test to the list of test to run
148 CppUnit::TextUi::TestRunner runner;
149 runner.addTest( suite );
150
151 // Change the default outputter to a compiler error format outputter
152 runner.setOutputter( new CppUnit::CompilerOutputter( &runner.result(),
153 std::cerr ) );
154 // Run the tests.
155 bool wasSucessful = runner.run();
156
157 // Return error code 1 if the one of test failed.
158 return wasSucessful ? 0 : 1;
159};
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