C++ (Cpp) contiguousCache Exemples

Exemple #1

Fichier : tst_qcontiguouscache.cpp Projet : KDE/android-qt

void tst_QContiguousCache::complexType()
{
    RefCountingClass original;

    QContiguousCache<RefCountingClass> contiguousCache(10);
    contiguousCache.append(original);
    QCOMPARE(original.refCount(), 3);
    contiguousCache.removeFirst();
    QCOMPARE(original.refCount(), 2); // shared null, 'original'.
    contiguousCache.append(original);
    QCOMPARE(original.refCount(), 3);
    contiguousCache.clear();
    QCOMPARE(original.refCount(), 2);

    for(int i = 0; i < 100; ++i)
        contiguousCache.insert(i, original);

    QCOMPARE(original.refCount(), 12); // shared null, 'original', + 10 in contiguousCache.

    contiguousCache.clear();
    QCOMPARE(original.refCount(), 2);
    for (int i = 0; i < 100; i++)
        contiguousCache.append(original);

    QCOMPARE(original.refCount(), 12); // shared null, 'original', + 10 in contiguousCache.
    contiguousCache.clear();
    QCOMPARE(original.refCount(), 2);

    for (int i = 0; i < 100; i++)
        contiguousCache.prepend(original);

    QCOMPARE(original.refCount(), 12); // shared null, 'original', + 10 in contiguousCache.
    contiguousCache.clear();
    QCOMPARE(original.refCount(), 2);

    for (int i = 0; i < 100; i++)
        contiguousCache.append(original);

    contiguousCache.takeLast();
    QCOMPARE(original.refCount(), 11);

    contiguousCache.takeFirst();
    QCOMPARE(original.refCount(), 10);
}

Exemple #2

Fichier : tst_qcontiguouscache.cpp Projet : KDE/android-qt

void tst_QContiguousCache::operatorAt()
{
    RefCountingClass original;
    QContiguousCache<RefCountingClass> contiguousCache(10);

    for (int i = 25; i < 35; ++i)
        contiguousCache[i] = original;

    QCOMPARE(original.refCount(), 12); // shared null, orig, items in cache

    // verify const access does not copy items.
    const QContiguousCache<RefCountingClass> copy(contiguousCache);
    for (int i = 25; i < 35; ++i)
        QCOMPARE(copy[i].refCount(), 12);

    // verify modifying the original increments ref count (e.g. does a detach)
    contiguousCache[25] = original;
    QCOMPARE(original.refCount(), 22);
}

Exemple #3

Fichier : tst_qcontiguouscache.cpp Projet : Drakey83/steamlink-sdk

void tst_QContiguousCache::setCapacity()
{
    int i;
    QContiguousCache<int> contiguousCache(100);
    for (i = 280; i < 310; ++i)
        contiguousCache.insert(i, i);
    QCOMPARE(contiguousCache.capacity(), 100);
    QCOMPARE(contiguousCache.count(), 30);
    QCOMPARE(contiguousCache.firstIndex(), 280);
    QCOMPARE(contiguousCache.lastIndex(), 309);

    for (i = contiguousCache.firstIndex(); i <= contiguousCache.lastIndex(); ++i) {
        QVERIFY(contiguousCache.containsIndex(i));
        QCOMPARE(contiguousCache.at(i), i);
    }

    contiguousCache.setCapacity(150);

    QCOMPARE(contiguousCache.capacity(), 150);
    QCOMPARE(contiguousCache.count(), 30);
    QCOMPARE(contiguousCache.firstIndex(), 280);
    QCOMPARE(contiguousCache.lastIndex(), 309);

    for (i = contiguousCache.firstIndex(); i <= contiguousCache.lastIndex(); ++i) {
        QVERIFY(contiguousCache.containsIndex(i));
        QCOMPARE(contiguousCache.at(i), i);
    }

    contiguousCache.setCapacity(20);

    QCOMPARE(contiguousCache.capacity(), 20);
    QCOMPARE(contiguousCache.count(), 20);
    QCOMPARE(contiguousCache.firstIndex(), 290);
    QCOMPARE(contiguousCache.lastIndex(), 309);

    for (i = contiguousCache.firstIndex(); i <= contiguousCache.lastIndex(); ++i) {
        QVERIFY(contiguousCache.containsIndex(i));
        QCOMPARE(contiguousCache.at(i), i);
    }
}