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| |
| #include "qtestsupport_core.h" |
| |
| #ifdef Q_OS_WIN |
| #include <qt_windows.h> |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| Q_CORE_EXPORT void QTestPrivate::qSleep(int ms) |
| { |
| Q_ASSERT(ms > 0); |
| |
| #if defined(Q_OS_WINRT) |
| WaitForSingleObjectEx(GetCurrentThread(), ms, true); |
| #elif defined(Q_OS_WIN) |
| Sleep(uint(ms)); |
| #else |
| struct timespec ts = { time_t(ms / 1000), (ms % 1000) * 1000 * 1000 }; |
| nanosleep(&ts, NULL); |
| #endif |
| } |
| |
| /*! \fn template <typename Functor> bool QTest::qWaitFor(Functor predicate, int timeout) |
| |
| Waits for \a timeout milliseconds or until the \a predicate returns true. |
| |
| Returns \c true if the \a predicate returned true at any point, otherwise returns \c false. |
| |
| Example: |
| |
| \snippet code/src_corelib_kernel_qtestsupport_core.cpp 0 |
| |
| The code above will wait for the object to become ready, for a |
| maximum of three seconds. |
| |
| \since 5.10 |
| */ |
| |
| |
| /*! \fn void QTest::qWait(int ms) |
| |
| Waits for \a ms milliseconds. While waiting, events will be processed and |
| your test will stay responsive to user interface events or network communication. |
| |
| Example: |
| |
| \snippet code/src_corelib_kernel_qtestsupport_core.cpp 1 |
| |
| The code above will wait until the network server is responding for a |
| maximum of about 12.5 seconds. |
| |
| \sa QTest::qSleep(), QSignalSpy::wait() |
| */ |
| Q_CORE_EXPORT void QTest::qWait(int ms) |
| { |
| // Ideally this method would be implemented in terms of qWaitFor, with |
| // a predicate that always returns false, but due to a compiler bug in |
| // GCC 6 we can't do that. |
| |
| Q_ASSERT(QCoreApplication::instance()); |
| |
| QDeadlineTimer timer(ms, Qt::PreciseTimer); |
| int remaining = ms; |
| do { |
| QCoreApplication::processEvents(QEventLoop::AllEvents, remaining); |
| QCoreApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete); |
| remaining = timer.remainingTime(); |
| if (remaining <= 0) |
| break; |
| QTestPrivate::qSleep(qMin(10, remaining)); |
| remaining = timer.remainingTime(); |
| } while (remaining > 0); |
| } |
| |
| QT_END_NAMESPACE |