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