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    41 

    42 #include <qmallocpool_p.h>

    43 

    44 #include <QtTest/QTest>

    45 

    46 #include <QDebug>

    47 

    48 QTM_USE_NAMESPACE

    49 class tst_QMallocPool : public QObject

    50 {

    51     Q_OBJECT

    52 

    53 private slots:

    54     void initTestCase();

    55     void cleanupTestCase();

    56 

    57     void testConstructor();

    58     void testShared();

    59 };

    60 

    61 void tst_QMallocPool::initTestCase()

    62 {

    63 }

    64 

    65 void tst_QMallocPool::cleanupTestCase()

    66 {

    67 }

    68 

    69 void tst_QMallocPool::testConstructor()

    70 {

    71     {

    72         QMallocPool invalidPool;

    73         QVERIFY(!invalidPool.isValid());

    74     }

    75 

    76     {

    77         QMallocPool invalidPool(0, 0, QMallocPool::NewShared);

    78         QVERIFY(!invalidPool.isValid());

    79     }

    80 

    81     {

    82         QMallocPool invalidPool(0, 0, QMallocPool::Shared);

    83         QVERIFY(!invalidPool.isValid());

    84     }

    85 

    86     {

    87         const unsigned int poolLength = 1024 * 1024;

    88         char *poolBase = new char[poolLength];

    89         for (unsigned int i = 0; i < poolLength; ++i)

    90             poolBase[i] = 'X';

    91 

    92         QMallocPool pool(poolBase, poolLength, QMallocPool::Owned);

    93 

    94         QVERIFY(pool.isValid());

    95 

    96         void *alloc;

    97 

    98         // test malloc

    99         alloc = pool.malloc(1024);

   100         QVERIFY(alloc != 0);

   101         QVERIFY(pool.size_of(alloc) >= 1024);

   102         QVERIFY(pool.memoryStatistics().inuseBytes >= 1024);

   103         pool.free(alloc);

   104         QVERIFY(pool.memoryStatistics().inuseBytes == 0);

   105 

   106         // test malloc of poolLength, should fail.

   107         alloc = pool.malloc(poolLength);

   108         QVERIFY(alloc == 0);

   109         QVERIFY(pool.memoryStatistics().inuseBytes == 0);

   110 

   111         // test malloc of poolLength + 1, should fail.

   112         alloc = pool.malloc(poolLength + 1);

   113         QVERIFY(alloc == 0);

   114         QVERIFY(pool.memoryStatistics().inuseBytes == 0);

   115 

   116         // test calloc

   117         alloc = pool.calloc(1024, sizeof(char));

   118         QVERIFY(alloc != 0);

   119         QVERIFY(pool.size_of(alloc) >= 1024);

   120         QVERIFY(pool.memoryStatistics().inuseBytes >= 1024);

   121         for (int i = 0; i < 1024; ++i)

   122             QVERIFY(reinterpret_cast<char *>(alloc)[i] == '\0');

   123         pool.free(alloc);

   124         QVERIFY(pool.memoryStatistics().inuseBytes == 0);

   125 

   126         // test realloc

   127         alloc = pool.malloc(1024);

   128         QVERIFY(alloc != 0);

   129         QVERIFY(pool.size_of(alloc) >= 1024);

   130         QVERIFY(pool.memoryStatistics().inuseBytes >= 1024);

   131         alloc = pool.realloc(alloc, 2048);

   132         QVERIFY(alloc != 0);

   133         QVERIFY(pool.size_of(alloc) >= 2048);

   134         QVERIFY(pool.memoryStatistics().inuseBytes >= 2048);

   135         pool.free(alloc);

   136         QVERIFY(pool.memoryStatistics().inuseBytes == 0);

   137 

   138         delete[] poolBase;

   139     }

   140 }

   141 

   142 void tst_QMallocPool::testShared()

   143 {

   144     const unsigned int poolLength = 1024 * 1024;

   145     char *poolBase = new char[poolLength];

   146     for (unsigned int i = 0; i < poolLength; ++i)

   147         poolBase[i] = 'X';

   148 

   149     QMallocPool pool(poolBase, poolLength, QMallocPool::NewShared);

   150     QMallocPool pool2(poolBase, poolLength, QMallocPool::Shared);

   151 

   152     QVERIFY(pool.isValid());

   153     QVERIFY(pool2.isValid());

   154 

   155     void *alloc;

   156 

   157     // test malloc

   158     alloc = pool.malloc(1024);

   159     QVERIFY(alloc != 0);

   160     QVERIFY(pool.size_of(alloc) >= 1024);

   161     QVERIFY(pool.size_of(alloc) == pool2.size_of(alloc));

   162     pool.free(alloc);

   163 

   164     // test malloc of poolLength, should fail.

   165     alloc = pool.malloc(poolLength);

   166     QVERIFY(alloc == 0);

   167 

   168     // test malloc of poolLength + 1, should fail.

   169     alloc = pool.malloc(poolLength + 1);

   170     QVERIFY(alloc == 0);

   171 

   172     // test calloc

   173     alloc = pool.calloc(1024, sizeof(char));

   174     QVERIFY(alloc != 0);

   175     QVERIFY(pool.size_of(alloc) >= 1024);

   176     QVERIFY(pool.size_of(alloc) == pool2.size_of(alloc));

   177     for (int i = 0; i < 1024; ++i)

   178         QVERIFY(reinterpret_cast<char *>(alloc)[i] == '\0');

   179     pool.free(alloc);

   180 

   181     // test realloc

   182     alloc = pool.malloc(1024);

   183     QVERIFY(alloc != 0);

   184     QVERIFY(pool.size_of(alloc) >= 1024);

   185     QVERIFY(pool.size_of(alloc) == pool2.size_of(alloc));

   186     alloc = pool.realloc(alloc, 2048);

   187     QVERIFY(alloc != 0);

   188     QVERIFY(pool.size_of(alloc) >= 2048);

   189     QVERIFY(pool.size_of(alloc) == pool2.size_of(alloc));

   190     pool.free(alloc);

   191 

   192     delete[] poolBase;

   193 }

   194 

   195 QTEST_MAIN(tst_QMallocPool)

   196 #include "tst_qmallocpool.moc"