source: src/memoryusageobserverunittest.cpp@ b66c22

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Last change on this file since b66c22 was b66c22, checked in by metzler <metzler@…>, 15 years ago

#19 Observe memory usage
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File size: 4.5 KB
Line 
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 "memoryusageobserver.hpp"
13#include "memoryusageobserverunittest.hpp"
14
15/********************************************** Test classes **************************************/
16// Registers the fixture into the 'registry'
17CPPUNIT_TEST_SUITE_REGISTRATION( MemoryUsageObserverTest );
18
19
20void MemoryUsageObserverTest::setUp()
21{
22};
23
24
25void MemoryUsageObserverTest::tearDown()
26{
27 MemoryUsageObserver::purgeInstance();
28};
29
30/**
31 * UnitTest for getInstance()
32 */
33void MemoryUsageObserverTest::getInstanceReturnsMemoryUsageObserverTest()
34{
35 CPPUNIT_ASSERT_EQUAL(true, MemoryUsageObserver::getInstance() != NULL);
36};
37
38/**
39 * UnitTest for getInstance()
40 */
41void MemoryUsageObserverTest::getInstanceTwiceReturnsSameInstanceTest()
42{
43 int* i = new int;
44 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
45 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
46 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
47};
48
49/**
50 * UnitTest for getInstance()
51 */
52void MemoryUsageObserverTest::getInstanceAfterPurgeInstanceReturnsNewInstanceTest()
53{
54 int* i = new int;
55 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
56 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
57 MemoryUsageObserver::purgeInstance();
58 CPPUNIT_ASSERT_EQUAL((size_t) 0, MemoryUsageObserver::getInstance()->getUsedMemorySize());
59};
60
61/**
62 * UnitTest for addMemory() and removeMemory()
63 */
64void MemoryUsageObserverTest::addAndRemoveMemoryTest()
65{
66 int* i = new int;
67 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
68 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
69 MemoryUsageObserver::getInstance()->removeMemory(i);
70 CPPUNIT_ASSERT_EQUAL((size_t) 0, MemoryUsageObserver::getInstance()->getUsedMemorySize());
71};
72
73/**
74 * UnitTest for addMemory() and removeMemory()
75 */
76void MemoryUsageObserverTest::removeNonTrackedMemoryDoesNotCauseACrashTest()
77{
78 int* i = new int;
79 MemoryUsageObserver::getInstance()->removeMemory(i);
80 CPPUNIT_ASSERT_EQUAL((size_t) 0, MemoryUsageObserver::getInstance()->getUsedMemorySize());
81};
82
83/**
84 * UnitTest for addMemory() and removeMemory()
85 */
86void MemoryUsageObserverTest::addMemoryTwiceTest()
87{
88 int* i = new int;
89 int* j = new int;
90 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
91 MemoryUsageObserver::getInstance()->addMemory(j, sizeof(int));
92 CPPUNIT_ASSERT_EQUAL(2 * sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
93 };
94
95/**
96 * UnitTest for addMemory() and removeMemory()
97 */
98void MemoryUsageObserverTest::addMemoryAndChangeSizeOfAddedMemoryTest()
99{
100 int* i = new int;
101 MemoryUsageObserver::getInstance()->addMemory(i, 2 * sizeof(int));
102 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
103 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getUsedMemorySize());
104 };
105
106/**
107 * UnitTest for getMaximumUsedMemory()
108 */
109void MemoryUsageObserverTest::addMemoryChangeSizeOfAddedMemoryAndGetMaximumSizeTest()
110{
111 int* i = new int;
112 MemoryUsageObserver::getInstance()->addMemory(i, 2 * sizeof(int));
113 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
114 CPPUNIT_ASSERT_EQUAL(2 * sizeof(int), MemoryUsageObserver::getInstance()->getMaximumUsedMemory());
115 };
116
117/**
118 * UnitTest for getMaximumUsedMemory()
119 */
120void MemoryUsageObserverTest::addMemoryRemoveMemoryAndGetMaximumSizeTest()
121{
122 int* i = new int;
123 MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
124 MemoryUsageObserver::getInstance()->removeMemory(i);
125 CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getMaximumUsedMemory());
126 };
127/********************************************** Main routine **************************************/
128
129int main(int argc, char **argv)
130{
131 // Get the top level suite from the registry
132 CppUnit::Test *suite = CppUnit::TestFactoryRegistry::getRegistry().makeTest();
133
134 // Adds the test to the list of test to run
135 CppUnit::TextUi::TestRunner runner;
136 runner.addTest( suite );
137
138 // Change the default outputter to a compiler error format outputter
139 runner.setOutputter( new CppUnit::CompilerOutputter( &runner.result(),
140 std::cerr ) );
141 // Run the tests.
142 bool wasSucessful = runner.run();
143
144 // Return error code 1 if the one of test failed.
145 return wasSucessful ? 0 : 1;
146};
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