// This function connects an output interface (for example a QFutureWatcher)
// to this future. While holding the lock we check the state and ready results
// and add the appropriate callouts to the queue. In order to avoid deadlocks,
// the actual callouts are made at the end while not holding the lock.
void QFutureInterfaceBasePrivate::connectOutputInterface(QFutureCallOutInterface *interface)
{
QMutexLocker locker(&m_mutex);
if (state & QFutureInterfaceBase::Started) {
interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Started));
interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::ProgressRange,
m_progressMinimum,
m_progressMaximum));
interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Progress,
m_progressValue,
m_progressText));
}
QtPrivate::ResultIteratorBase it = m_results.begin();
while (it != m_results.end()) {
const int begin = it.resultIndex();
const int end = begin + it.batchSize();
interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::ResultsReady,
begin,
end));
it.batchedAdvance();
}
if (state & QFutureInterfaceBase::Paused)
interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Paused));
if (state & QFutureInterfaceBase::Canceled)
interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Canceled));
if (state & QFutureInterfaceBase::Finished)
interface->postCallOutEvent(QFutureCallOutEvent(QFutureCallOutEvent::Finished));
outputConnections.append(interface);
}
void tst_QFuture::resultStore()
{
int int0 = 0;
int int1 = 1;
int int2 = 2;
{
ResultStoreInt store;
QCOMPARE(store.begin(), store.end());
QCOMPARE(store.resultAt(0), store.end());
QCOMPARE(store.resultAt(1), store.end());
}
{
ResultStoreInt store;
store.addResult(-1, &int0);
store.addResult(1, &int1);
QtPrivate::ResultIteratorBase it = store.begin();
QCOMPARE(it.resultIndex(), 0);
QVERIFY(it == store.begin());
QVERIFY(it != store.end());
++it;
QCOMPARE(it.resultIndex(), 1);
QVERIFY(it != store.begin());
QVERIFY(it != store.end());
++it;
QVERIFY(it != store.begin());
QVERIFY(it == store.end());
}
QVector<int> vec0 = QVector<int>() << 2 << 3;
QVector<int> vec1 = QVector<int>() << 4 << 5;
{
ResultStoreInt store;
store.addResults(-1, &vec0, 2);
store.addResults(-1, &vec1, 2);
QtPrivate::ResultIteratorBase it = store.begin();
QCOMPARE(it.resultIndex(), 0);
QCOMPARE(it, store.begin());
QVERIFY(it != store.end());
++it;
QCOMPARE(it.resultIndex(), 1);
QVERIFY(it != store.begin());
QVERIFY(it != store.end());
++it;
QCOMPARE(it.resultIndex(), 2);
++it;
QCOMPARE(it.resultIndex(), 3);
++it;
QCOMPARE(it, store.end());
}
{
ResultStoreInt store;
store.addResult(-1, &int0);
store.addResults(-1, &vec1, 2);
store.addResult(-1, &int1);
QtPrivate::ResultIteratorBase it = store.begin();
QCOMPARE(it.resultIndex(), 0);
QVERIFY(it == store.begin());
QVERIFY(it != store.end());
++it;
QCOMPARE(it.resultIndex(), 1);
QVERIFY(it != store.begin());
QVERIFY(it != store.end());
++it;
QCOMPARE(it.resultIndex(), 2);
QVERIFY(it != store.end());
++it;
QCOMPARE(it.resultIndex(), 3);
QVERIFY(it != store.end());
++it;
QVERIFY(it == store.end());
QCOMPARE(store.resultAt(0).resultIndex(), 0);
QCOMPARE(store.resultAt(1).resultIndex(), 1);
QCOMPARE(store.resultAt(2).resultIndex(), 2);
QCOMPARE(store.resultAt(3).resultIndex(), 3);
QCOMPARE(store.resultAt(4), store.end());
}
{
ResultStoreInt store;
store.addResult(-1, &int0);
store.addResults(-1, &vec0);
store.addResult(-1, &int1);
QtPrivate::ResultIteratorBase it = store.begin();
QCOMPARE(it.resultIndex(), 0);
QVERIFY(it == store.begin());
QVERIFY(it != store.end());
++it;
QCOMPARE(it.resultIndex(), 1);
QVERIFY(it != store.begin());
QVERIFY(it != store.end());
++it;
QCOMPARE(it.resultIndex(), 2);
QVERIFY(it != store.end());
++it;
QCOMPARE(it.resultIndex(), 3);
QVERIFY(it != store.end());
++it;
QVERIFY(it == store.end());
QCOMPARE(store.resultAt(0).value<int>(), int0);
QCOMPARE(store.resultAt(1).value<int>(), vec0[0]);
QCOMPARE(store.resultAt(2).value<int>(), vec0[1]);
QCOMPARE(store.resultAt(3).value<int>(), int1);
}
{
ResultStoreInt store;
store.addResult(-1, &int0);
store.addResults(-1, &vec0);
store.addResult(200, &int1);
QCOMPARE(store.resultAt(0).value<int>(), int0);
QCOMPARE(store.resultAt(1).value<int>(), vec0[0]);
QCOMPARE(store.resultAt(2).value<int>(), vec0[1]);
QCOMPARE(store.resultAt(200).value<int>(), int1);
}
{
ResultStoreInt store;
store.addResult(1, &int1);
store.addResult(0, &int0);
store.addResult(-1, &int2);
QCOMPARE(store.resultAt(0).value<int>(), int0);
QCOMPARE(store.resultAt(1).value<int>(), int1);
QCOMPARE(store.resultAt(2).value<int>(), int2);
}
{
ResultStoreInt store;
QCOMPARE(store.contains(0), false);
QCOMPARE(store.contains(1), false);
QCOMPARE(store.contains(INT_MAX), false);
}
{
// Test filter mode, where "gaps" in the result array aren't allowed.
ResultStoreInt store;
store.setFilterMode(true);
store.addResult(0, &int0);
QCOMPARE(store.contains(0), true);
store.addResult(2, &int2); // add result at index 2
QCOMPARE(store.contains(2), false); // but 1 is missing, so this 2 won't be reported yet.
store.addResult(1, &int1);
QCOMPARE(store.contains(1), true);
QCOMPARE(store.contains(2), true); // 2 should be visible now.
store.addResult(4, &int0);
store.addResult(5, &int0);
store.addResult(7, &int0);
QCOMPARE(store.contains(4), false);
QCOMPARE(store.contains(5), false);
QCOMPARE(store.contains(7), false);
store.addResult(3, &int0); // adding 3 makes 4 and 5 visible
QCOMPARE(store.contains(4), true);
QCOMPARE(store.contains(5), true);
QCOMPARE(store.contains(7), false);
store.addResult(6, &int0); // adding 6 makes 7 visible
QCOMPARE(store.contains(6), true);
QCOMPARE(store.contains(7), true);
QCOMPARE(store.contains(8), false);
}
{
// test canceled results
ResultStoreInt store;
store.setFilterMode(true);
store.addResult(0, &int0);
QCOMPARE(store.contains(0), true);
store.addResult(2, &int0);
QCOMPARE(store.contains(2), false);
store.addCanceledResult(1); // report no result at 1
QCOMPARE(store.contains(0), true);
QCOMPARE(store.contains(1), true); // 2 gets renamed to 1
QCOMPARE(store.contains(2), false);
store.addResult(3, &int0);
QCOMPARE(store.contains(2), true); //3 gets renamed to 2
store.addResult(6, &int0);
store.addResult(7, &int0);
QCOMPARE(store.contains(3), false);
store.addCanceledResult(4);
store.addCanceledResult(5);
QCOMPARE(store.contains(3), true); //6 gets renamed to 3
QCOMPARE(store.contains(4), true); //7 gets renamed to 4
store.addResult(8, &int0);
QCOMPARE(store.contains(5), true); //8 gets renamed to 4
QCOMPARE(store.contains(6), false);
QCOMPARE(store.contains(7), false);
}
{
// test addResult return value
ResultStoreInt store;
store.setFilterMode(true);
store.addResult(0, &int0);
QCOMPARE(store.count(), 1); // result 0 becomes available
QCOMPARE(store.contains(0), true);
store.addResult(2, &int0);
QCOMPARE(store.count(), 1);
QCOMPARE(store.contains(2), false);
store.addCanceledResult(1);
QCOMPARE(store.count(), 2); // result 2 is renamed to 1 and becomes available
QCOMPARE(store.contains(0), true);
QCOMPARE(store.contains(1), true);
QCOMPARE(store.contains(2), false);
store.addResult(3, &int0);
QCOMPARE(store.count(), 3);
QCOMPARE(store.contains(2), true);
store.addResult(6, &int0);
QCOMPARE(store.count(), 3);
store.addResult(7, &int0);
QCOMPARE(store.count(), 3);
QCOMPARE(store.contains(3), false);
store.addCanceledResult(4);
store.addCanceledResult(5);
QCOMPARE(store.count(), 5); // 6 and 7 is renamed to 3 and 4 and becomes available
QCOMPARE(store.contains(3), true);
QCOMPARE(store.contains(4), true);
store.addResult(8, &int0);
QCOMPARE(store.contains(5), true);
QCOMPARE(store.count(), 6);
QCOMPARE(store.contains(6), false);
QCOMPARE(store.contains(7), false);
}
{
// test resultCount in non-filtered mode. It should always be possible
// to iterate through the results 0 to resultCount.
ResultStoreInt store;
store.addResult(0, &int0);
QCOMPARE(store.count(), 1);
store.addResult(2, &int0);
QCOMPARE(store.count(), 1);
store.addResult(1, &int0);
QCOMPARE(store.count(), 3);
}
{
ResultStoreInt store;
store.addResult(2, &int0);
QCOMPARE(store.count(), 0);
store.addResult(1, &int0);
QCOMPARE(store.count(), 0);
store.addResult(0, &int0);
QCOMPARE(store.count(), 3);
}
{
ResultStoreInt store;
store.addResults(2, &vec1);
QCOMPARE(store.count(), 0);
store.addResult(1, &int0);
QCOMPARE(store.count(), 0);
store.addResult(0, &int0);
QCOMPARE(store.count(), 4);
}
{
ResultStoreInt store;
store.addResults(2, &vec1);
QCOMPARE(store.count(), 0);
store.addResults(0, &vec0);
QCOMPARE(store.count(), 4);
}
{
ResultStoreInt store;
store.addResults(3, &vec1);
QCOMPARE(store.count(), 0);
store.addResults(0, &vec0);
QCOMPARE(store.count(), 2);
store.addResult(2, &int0);
QCOMPARE(store.count(), 5);
}
{
ResultStoreInt store;
store.setFilterMode(true);
store.addResults(3, &vec1);
QCOMPARE(store.count(), 0);
store.addResults(0, &vec0);
QCOMPARE(store.count(), 2);
store.addCanceledResult(2);
QCOMPARE(store.count(), 4);
}
{
ResultStoreInt store;
store.setFilterMode(true);
store.addResults(3, &vec1);
QCOMPARE(store.count(), 0);
store.addCanceledResults<int>(0, 3);
QCOMPARE(store.count(), 2);
}
{
ResultStoreInt store;
store.setFilterMode(true);
store.addResults(3, &vec1);
QCOMPARE(store.count(), 0);
store.addCanceledResults<int>(0, 3);
QCOMPARE(store.count(), 2); // results at 3 and 4 become available at index 0, 1
store.addResult(5, &int0);
QCOMPARE(store.count(), 3);// result 5 becomes available at index 2
}
{
ResultStoreInt store;
store.addResult(1, &int0);
store.addResult(3, &int0);
store.addResults(6, &vec0);
QCOMPARE(store.contains(0), false);
QCOMPARE(store.contains(1), true);
QCOMPARE(store.contains(2), false);
QCOMPARE(store.contains(3), true);
QCOMPARE(store.contains(4), false);
QCOMPARE(store.contains(5), false);
QCOMPARE(store.contains(6), true);
QCOMPARE(store.contains(7), true);
}
{
ResultStoreInt store;
store.setFilterMode(true);
store.addResult(1, &int0);
store.addResult(3, &int0);
store.addResults(6, &vec0);
QCOMPARE(store.contains(0), false);
QCOMPARE(store.contains(1), false);
QCOMPARE(store.contains(2), false);
QCOMPARE(store.contains(3), false);
QCOMPARE(store.contains(4), false);
QCOMPARE(store.contains(5), false);
QCOMPARE(store.contains(6), false);
QCOMPARE(store.contains(7), false);
store.addCanceledResult(0);
store.addCanceledResult(2);
store.addCanceledResults<int>(4, 2);
QCOMPARE(store.contains(0), true);
QCOMPARE(store.contains(1), true);
QCOMPARE(store.contains(2), true);
QCOMPARE(store.contains(3), true);
QCOMPARE(store.contains(4), false);
QCOMPARE(store.contains(5), false);
QCOMPARE(store.contains(6), false);
QCOMPARE(store.contains(7), false);
}
{
ResultStoreInt store;
store.setFilterMode(true);
store.addCanceledResult(0);
QCOMPARE(store.contains(0), false);
store.addResult(1, &int0);
QCOMPARE(store.contains(0), true);
QCOMPARE(store.contains(1), false);
}
}