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/*
* Copyright (C) 2017-2018 Olzhas Rakhimov
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <initializer_list>
#include <utility>
#include <QtTest>
namespace detail {
/// Initializes columns in the test data table.
///
/// @tparam Ts void terminated type list.
template <typename T, typename... Ts>
void initializeColumns(const char *const *it)
{
QTest::addColumn<T>(*it);
if constexpr (sizeof...(Ts))
initializeColumns<Ts...>(++it);
}
/// Initializes rows in the test data table.
///
/// @tparam N The number of columns to initialize in the row.
template <int N, typename... Ts>
void initializeRows(QTestData &data, const std::tuple<const char *, Ts...> &row)
{
static_assert(N >= 0);
if constexpr (N != 0) {
initializeRows<N - 1>(data, row);
data << std::get<N>(row);
}
}
} // namespace detail
/// Convenience function to populate QTest data table.
///
/// @tparam Ts The column data types.
///
/// @param[in] columns The column names.
/// @param[in] rows The row name and data.
template <typename... Ts>
void populateData(const char *const (&columns)[sizeof...(Ts)],
std::initializer_list<std::tuple<const char *, Ts...>> rows)
{
detail::initializeColumns<Ts...>(columns);
for (const auto &row : rows)
detail::initializeRows<sizeof...(Ts)>(QTest::newRow(std::get<0>(row)),
row);
}
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