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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "tst_qtconcurrentfiltermapgenerated.h"

void tst_QtConcurrentFilterMapGenerated::mapReduceThroughDifferentTypes()
{
    /* test for
    template<typename typename ResultType, typename Iterator, typename MapFunctor, typename
    ReduceFunctor, typename reductionitemtype> ResultType blockingMappedReduced(Iterator begin,
    Iterator end, MapFunctor function, ReduceFunctor reduceFunction, reductionitemtype &&
    initialValue, ReduceOptions);

    with
      inputsequence=standard
      inputitemtype=standard
      maptype=different
      mappeditemtype=standard
      reductiontype=different
      reductionitemtype=standard
      mapfunction=function
      mapfunctionpassing=lvalue
      reductionfunction=function
      reductionfunctionpassing=lvalue
      reductioninitialvaluepassing=lvalue
      reductionoptions=unspecified
    */

    auto input_sequence = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(1, true));
        result.push_back(SequenceItem<tag_input>(2, true));
        result.push_back(SequenceItem<tag_input>(3, true));
        result.push_back(SequenceItem<tag_input>(4, true));
        result.push_back(SequenceItem<tag_input>(5, true));
        result.push_back(SequenceItem<tag_input>(6, true));
        return result;
    }();

    auto map = myMap<SequenceItem<tag_input>, SequenceItem<tag_mapped>>;
    auto reductor = myReduce<SequenceItem<tag_mapped>, SequenceItem<tag_reduction>>;
    auto initialvalue = SequenceItem<tag_reduction>(0, true);

    auto result = QtConcurrent::blockingMappedReduced(input_sequence.begin(), input_sequence.end(),
                                                      map, reductor, initialvalue);

    auto expected_result = SequenceItem<tag_reduction>(42, true);
    QCOMPARE(result, expected_result);
}

void tst_QtConcurrentFilterMapGenerated::moveOnlyFilterObject()
{
    /* test for
    template<typename Sequence, typename KeepFunctor>
    void blockingFilter(QThreadPool* pool, Sequence & sequence, KeepFunctor filterFunction);

    with
      inputsequence=standard
      inputitemtype=standard
      filterfunction=moveonlyfunctor
      filterfunctionpassing=rvalue
    */

    QThreadPool pool;
    pool.setMaxThreadCount(1);
    auto input_sequence = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(1, true));
        result.push_back(SequenceItem<tag_input>(2, true));
        result.push_back(SequenceItem<tag_input>(3, true));
        result.push_back(SequenceItem<tag_input>(4, true));
        result.push_back(SequenceItem<tag_input>(5, true));
        result.push_back(SequenceItem<tag_input>(6, true));
        return result;
    }();

    QtConcurrent::blockingFilter(&pool, input_sequence,
                                 MyMoveOnlyFilter<SequenceItem<tag_input>> {});

    auto expected_result = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(1, true));
        result.push_back(SequenceItem<tag_input>(3, true));
        result.push_back(SequenceItem<tag_input>(5, true));
        return result;
    }();

    QCOMPARE(input_sequence, expected_result);
}

void tst_QtConcurrentFilterMapGenerated::moveOnlyMapObject()
{
    /* test for
    template<typename Sequence, typename MapFunctor>
    void blockingMap(QThreadPool* pool, Sequence & sequence, MapFunctor function);

    with
      inputsequence=standard
      inputitemtype=standard
      mapfunction=moveonlyfunctor
      mapfunctionpassing=rvalue
    */

    QThreadPool pool;
    pool.setMaxThreadCount(1);
    auto input_sequence = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(1, true));
        result.push_back(SequenceItem<tag_input>(2, true));
        result.push_back(SequenceItem<tag_input>(3, true));
        result.push_back(SequenceItem<tag_input>(4, true));
        result.push_back(SequenceItem<tag_input>(5, true));
        result.push_back(SequenceItem<tag_input>(6, true));
        return result;
    }();

    QtConcurrent::blockingMap(&pool, input_sequence,
                              MyMoveOnlyInplaceMap<SequenceItem<tag_input>> {});

    auto expected_result = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(2, true));
        result.push_back(SequenceItem<tag_input>(4, true));
        result.push_back(SequenceItem<tag_input>(6, true));
        result.push_back(SequenceItem<tag_input>(8, true));
        result.push_back(SequenceItem<tag_input>(10, true));
        result.push_back(SequenceItem<tag_input>(12, true));
        return result;
    }();

    QCOMPARE(input_sequence, expected_result);
}

void tst_QtConcurrentFilterMapGenerated::moveOnlyReduceObject()
{
    /* test for
    template<typename typename ResultType, typename Sequence, typename MapFunctor, typename
    ReduceFunctor> ResultType blockingMappedReduced(QThreadPool* pool, const Sequence & sequence,
    MapFunctor function, ReduceFunctor reduceFunction, ReduceOptions);

    with
      inputsequence=standard
      inputsequencepassing=lvalue
      inputitemtype=standard
      maptype=same
      mappeditemtype=standard
      reductiontype=same
      reductionitemtype=standard
      mapfunction=functor
      mapfunctionpassing=lvalue
      reductionfunction=moveonlyfunctor
      reductionfunctionpassing=rvalue
      reductionoptions=unspecified
    */

    QThreadPool pool;
    pool.setMaxThreadCount(1);
    auto input_sequence = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(1, true));
        result.push_back(SequenceItem<tag_input>(2, true));
        result.push_back(SequenceItem<tag_input>(3, true));
        result.push_back(SequenceItem<tag_input>(4, true));
        result.push_back(SequenceItem<tag_input>(5, true));
        result.push_back(SequenceItem<tag_input>(6, true));
        return result;
    }();

    auto map = MyMap<SequenceItem<tag_input>, SequenceItem<tag_input>> {};

    auto result = QtConcurrent::blockingMappedReduced<SequenceItem<tag_input>>(
            &pool, input_sequence, map,
            MyMoveOnlyReduce<SequenceItem<tag_input>, SequenceItem<tag_input>> {});

    auto expected_result = SequenceItem<tag_input>(42, true);

    QCOMPARE(result, expected_result);
}

void tst_QtConcurrentFilterMapGenerated::functorAsReduction()
{
    /* test for
    template<typename typename ResultType, typename Sequence, typename KeepFunctor, typename
    ReduceFunctor, typename reductionitemtype> ResultType blockingFilteredReduced(QThreadPool* pool,
    const Sequence & sequence, KeepFunctor filterFunction, ReduceFunctor reduceFunction,
    reductionitemtype && initialValue, ReduceOptions);

    with
      inputsequence=standard
      inputsequencepassing=lvalue
      inputitemtype=standard
      reductiontype=same
      reductionitemtype=standard
      filterfunction=functor
      filterfunctionpassing=lvalue
      reductionfunction=functor
      reductionfunctionpassing=lvalue
      reductioninitialvaluepassing=lvalue
      reductionoptions=unspecified
    */

    QThreadPool pool;
    pool.setMaxThreadCount(1);
    auto input_sequence = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(1, true));
        result.push_back(SequenceItem<tag_input>(2, true));
        result.push_back(SequenceItem<tag_input>(3, true));
        result.push_back(SequenceItem<tag_input>(4, true));
        result.push_back(SequenceItem<tag_input>(5, true));
        result.push_back(SequenceItem<tag_input>(6, true));
        return result;
    }();
    auto filter = MyFilter<SequenceItem<tag_input>> {};

    auto reductor = MyReduce<SequenceItem<tag_input>, SequenceItem<tag_input>> {};
    auto initialvalue = SequenceItem<tag_input>(0, true);

    auto result = QtConcurrent::blockingFilteredReduced<SequenceItem<tag_input>>(
            &pool, input_sequence, filter, reductor, initialvalue);

    auto expected_result = SequenceItem<tag_input>(9, true);

    QCOMPARE(result, expected_result);
}

void tst_QtConcurrentFilterMapGenerated::moveOnlyReductionItem()
{
    /* test for
    template<typename typename ResultType, typename Sequence, typename KeepFunctor, typename
    ReduceFunctor, typename reductionitemtype> ResultType blockingFilteredReduced(QThreadPool* pool,
    const Sequence & sequence, KeepFunctor filterFunction, ReduceFunctor reduceFunction,
    reductionitemtype && initialValue, ReduceOptions);

    with
      inputsequence=standard
      inputsequencepassing=lvalue
      inputitemtype=standard
      reductiontype=different
      reductionitemtype=moveonly
      filterfunction=moveonlyfunctor
      filterfunctionpassing=rvalue
      reductionfunction=function
      reductionfunctionpassing=lvalue
      reductioninitialvaluepassing=rvalue
      reductionoptions=unspecified
    */
/* TODO: does not work yet
    QThreadPool pool;
    pool.setMaxThreadCount(1);
    auto input_sequence = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(1, true));
        result.push_back(SequenceItem<tag_input>(2, true));
        result.push_back(SequenceItem<tag_input>(3, true));
        result.push_back(SequenceItem<tag_input>(4, true));
        result.push_back(SequenceItem<tag_input>(5, true));
        result.push_back(SequenceItem<tag_input>(6, true));
        return result;
    }();

    auto reductor = myReduce<SequenceItem<tag_input>, MoveOnlySequenceItem<tag_reduction>>;

    auto result = QtConcurrent::blockingFilteredReduced(
            &pool, input_sequence, MyMoveOnlyFilter<SequenceItem<tag_input>> {}, reductor,
            MoveOnlySequenceItem<tag_reduction>(0, true));

    auto expected_result = MoveOnlySequenceItem<tag_reduction>(9, true);

    QCOMPARE(result, expected_result);*/
}

void tst_QtConcurrentFilterMapGenerated::noDefaultConstructorItemMapped()
{
    /* test for
    template<typename typename ResultType, typename Sequence, typename MapFunctor, typename
    ReduceFunctor, typename reductionitemtype> ResultType blockingMappedReduced(QThreadPool* pool,
    const Sequence & sequence, MapFunctor function, ReduceFunctor reduceFunction, reductionitemtype
    && initialValue, ReduceOptions);

    with
      inputsequence=standard
      inputsequencepassing=lvalue
      inputitemtype=standard
      maptype=same
      mappeditemtype=standard
      reductiontype=different
      reductionitemtype=noconstruct
      mapfunction=functor
      mapfunctionpassing=lvalue
      reductionfunction=function
      reductionfunctionpassing=lvalue
      reductioninitialvaluepassing=lvalue
      reductionoptions=unspecified
    */

    QThreadPool pool;
    pool.setMaxThreadCount(1);
    auto input_sequence = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(1, true));
        result.push_back(SequenceItem<tag_input>(2, true));
        result.push_back(SequenceItem<tag_input>(3, true));
        result.push_back(SequenceItem<tag_input>(4, true));
        result.push_back(SequenceItem<tag_input>(5, true));
        result.push_back(SequenceItem<tag_input>(6, true));
        return result;
    }();

    auto map = MyMap<SequenceItem<tag_input>, SequenceItem<tag_input>> {};
    auto reductor = myReduce<SequenceItem<tag_input>, NoConstructSequenceItem<tag_reduction>>;
    auto initialvalue = NoConstructSequenceItem<tag_reduction>(0, true);

    auto result =
            QtConcurrent::blockingMappedReduced(&pool, input_sequence, map, reductor, initialvalue);

    auto expected_result = NoConstructSequenceItem<tag_reduction>(42, true);

    QCOMPARE(result, expected_result);
}

void tst_QtConcurrentFilterMapGenerated::noDefaultConstructorItemFiltered()
{
    QThreadPool pool;
    pool.setMaxThreadCount(1);
    auto input_sequence = []() {
        std::vector<SequenceItem<tag_input>> result;
        result.push_back(SequenceItem<tag_input>(1, true));
        result.push_back(SequenceItem<tag_input>(2, true));
        result.push_back(SequenceItem<tag_input>(3, true));
        result.push_back(SequenceItem<tag_input>(4, true));
        result.push_back(SequenceItem<tag_input>(5, true));
        result.push_back(SequenceItem<tag_input>(6, true));
        return result;
    }();

    auto filter = MyFilter<SequenceItem<tag_input>> {};
    auto reductor = myReduce<SequenceItem<tag_input>, NoConstructSequenceItem<tag_reduction>>;
    auto initialvalue = NoConstructSequenceItem<tag_reduction>(0, true);

    auto result = QtConcurrent::blockingFilteredReduced(&pool, input_sequence, filter, reductor,
                                                        initialvalue);

    auto expected_result = NoConstructSequenceItem<tag_reduction>(9, true);

    QCOMPARE(result, expected_result);
}