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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#include <QtCore/qmath.h> // pi, e
// Tests for QTest::toString
class tst_toString : public QObject
{
Q_OBJECT
template <typename T> void numeric_data();
template <typename T> void numeric();
private slots:
void floatTst_data() { numeric_data<float>(); }
void floatTst() { numeric<float>(); }
void doubleTst_data() { numeric_data<double>(); }
void doubleTst() { numeric<double>(); }
void intTst_data() { numeric_data<int>(); }
void intTst() { numeric<int>(); }
void unsignedTst_data() { numeric_data<unsigned>(); }
void unsignedTst() { numeric<unsigned>(); }
void quint64Tst_data() { numeric_data<quint64>(); }
void quint64Tst() { numeric<quint64>(); }
void qint64Tst_data() { numeric_data<qint64>(); }
void qint64Tst() { numeric<qint64>(); }
};
template <typename T>
void tst_toString::numeric_data()
{
QTest::addColumn<T>("datum");
const bool floaty = std::is_floating_point<T>::value;
QTest::newRow("zero") << T(0);
QTest::newRow("one") << T(1);
if (floaty) {
QTest::newRow("pi") << T(M_PI);
QTest::newRow("e") << T(M_E);
// Stress canonicalisation of leading zeros on exponents:
QTest::newRow("milli") << T(1e-3);
QTest::newRow("micro") << T(1e-6);
QTest::newRow("mu0") << T(.4e-6 * M_PI); // Henry/metre
QTest::newRow("Planck") << T(662.606876e-36); // Joule.second/turn
}
QTest::newRow("2e9") << T(2000000000);
QTest::newRow("c.s/m") << T(299792458);
QTest::newRow("Avogadro") << T(6.022045e+23); // things/mol (.996 << 79, so ints overflow to max)
QTest::newRow("lowest") << std::numeric_limits<T>::lowest();
QTest::newRow("max") << std::numeric_limits<T>::max();
if (floaty) {
QTest::newRow("min") << std::numeric_limits<T>::min();
if (std::numeric_limits<T>::has_infinity) {
const T uge = std::numeric_limits<T>::infinity();
QTest::newRow("inf") << uge;
QTest::newRow("-inf") << -uge;
}
if (std::numeric_limits<T>::has_quiet_NaN)
QTest::newRow("nan") << std::numeric_limits<T>::quiet_NaN();
}
}
template <typename T>
void tst_toString::numeric()
{
QFETCH(T, datum);
QBENCHMARK {
auto tst = QTest::toString<T>(datum);
delete [] tst;
}
}
QTEST_MAIN(tst_toString)
#include "tst_tostring.moc"
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