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https://github.com/simonbrunel/qtpromise.git
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c34316243e
Currently, QPromise can't be added dynamically to QVector (::push_* | ::append) because it doesn't expose a default constructor. Until deciding if a default constructor should be added (private/public?), let's make the `QPromise::all` method work with any container types that are STL compatible.
104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
// Tests
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#include "../../shared/utils.h"
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// QtPromise
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#include <QtPromise>
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// Qt
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#include <QtTest>
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using namespace QtPromise;
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class tst_qpromise_all : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void qList();
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//void qVector();
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void stdList();
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void stdVector();
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};
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QTEST_MAIN(tst_qpromise_all)
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#include "tst_all.moc"
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namespace {
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template <class Sequence>
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struct SequenceTester
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{
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};
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template <template <typename, typename...> class Sequence, typename ...Args>
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struct SequenceTester<Sequence<QPromise<int>, Args...> >
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{
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static void exec()
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{
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Sequence<QPromise<int>, Args...> promises{
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QPromise<int>::resolve(42),
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QPromise<int>::resolve(43),
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QPromise<int>::resolve(44)
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};
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promises.push_back(QPromise<int>::resolve(45));
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promises.insert(++promises.begin(), QPromise<int>::resolve(46));
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promises.pop_back();
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auto p = QPromise<int>::all(promises);
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<QVector<int> > >::value));
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QCOMPARE(waitForValue(p, QVector<int>()), QVector<int>({42, 46, 43, 44}));
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}
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};
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template <template <typename, typename...> class Sequence, typename ...Args>
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struct SequenceTester<Sequence<QPromise<void>, Args...> >
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{
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static void exec()
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{
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Sequence<QPromise<void>, Args...> promises{
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QPromise<void>::resolve(),
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QPromise<void>::resolve(),
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QPromise<void>::resolve()
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};
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promises.push_back(QPromise<void>::resolve());
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promises.insert(++promises.begin(), QPromise<void>::resolve());
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promises.pop_back();
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auto p = QPromise<void>::all(promises);
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Q_STATIC_ASSERT((std::is_same<decltype(p), QPromise<void> >::value));
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QCOMPARE(waitForValue(p, -1, 42), 42);
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}
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};
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} // anonymous namespace
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void tst_qpromise_all::qList()
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{
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SequenceTester<QList<QPromise<int> > >::exec();
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SequenceTester<QList<QPromise<void> > >::exec();
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}
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// QVector::push_back/append isn't supported since it requires a default
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// constructor (see https://github.com/simonbrunel/qtpromise/issues/3)
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//void tst_qpromise_all::qVector()
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//{
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// SequenceTester<QVector<QPromise<int> > >::exec();
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// SequenceTester<QVector<QPromise<void> > >::exec();
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//}
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void tst_qpromise_all::stdList()
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{
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SequenceTester<std::list<QPromise<int> > >::exec();
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SequenceTester<std::list<QPromise<void> > >::exec();
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}
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void tst_qpromise_all::stdVector()
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{
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SequenceTester<std::vector<QPromise<int> > >::exec();
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SequenceTester<std::vector<QPromise<void> > >::exec();
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}
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