32925d0a85
There's currently no statistically-significant difference between the two, due to a huge pessimistion in QTestLib where every QCOMPARE* and QVERIFY writes 1KiB of data onto the stack before doing anything else, so I'm not reporting numbers in this commit message. Pick-to: 6.4 Task-number: QTBUG-98873 Task-number: QTBUG-98874 Change-Id: I233878596f0a8fe6b96360adb839fecd72c398a2 Reviewed-by: Ivan Solovev <ivan.solovev@qt.io> Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
// Copyright (C) 2019 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QTest>
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#include <QtCore/qmath.h> // pi, e
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// Tests for QTest::toString
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class tst_toString : public QObject
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{
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Q_OBJECT
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template <typename T> void numeric_data();
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template <typename T> void numeric();
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private slots:
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void floatTst_data() { numeric_data<float>(); }
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void floatTst() { numeric<float>(); }
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void doubleTst_data() { numeric_data<double>(); }
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void doubleTst() { numeric<double>(); }
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void intTst_data() { numeric_data<int>(); }
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void intTst() { numeric<int>(); }
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void unsignedTst_data() { numeric_data<unsigned>(); }
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void unsignedTst() { numeric<unsigned>(); }
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void quint64Tst_data() { numeric_data<quint64>(); }
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void quint64Tst() { numeric<quint64>(); }
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void qint64Tst_data() { numeric_data<qint64>(); }
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void qint64Tst() { numeric<qint64>(); }
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private:
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template <typename T> void compare();
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template <typename T> void compare_eq();
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private slots:
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void floatCompare_data() { numeric_data<float>(); }
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void floatCompare() { compare<float>(); }
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void floatCompareEq_data() { numeric_data<float>(); }
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void floatCompareEq() { compare_eq<float>(); }
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void doubleCompare_data() { numeric_data<double>(); }
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void doubleCompare() { compare<double>(); }
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void doubleCompareEq_data() { numeric_data<double>(); }
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void doubleCompareEq() { compare_eq<double>(); }
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void intCompare_data() { numeric_data<int>(); }
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void intCompare() { compare<int>(); }
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void intCompareEq_data() { numeric_data<int>(); }
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void intCompareEq() { compare_eq<int>(); }
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void unsignedCompare_data() { numeric_data<unsigned>(); }
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void unsignedCompare() { compare<unsigned>(); }
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void unsignedCompareEq_data() { numeric_data<unsigned>(); }
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void unsignedCompareEq() { compare_eq<unsigned>(); }
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void quint64Compare_data() { numeric_data<quint64>(); }
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void quint64Compare() { compare<quint64>(); }
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void quint64CompareEq_data() { numeric_data<quint64>(); }
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void quint64CompareEq() { compare_eq<quint64>(); }
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void qint64Compare_data() { numeric_data<qint64>(); }
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void qint64Compare() { compare<qint64>(); }
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void qint64CompareEq_data() { numeric_data<qint64>(); }
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void qint64CompareEq() { compare_eq<qint64>(); }
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};
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template <typename T>
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void tst_toString::numeric_data()
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{
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QTest::addColumn<T>("datum");
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const bool floaty = std::is_floating_point<T>::value;
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QTest::newRow("zero") << T(0);
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QTest::newRow("one") << T(1);
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if (floaty) {
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QTest::newRow("pi") << T(M_PI);
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QTest::newRow("e") << T(M_E);
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// Stress canonicalisation of leading zeros on exponents:
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QTest::newRow("milli") << T(1e-3);
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QTest::newRow("micro") << T(1e-6);
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QTest::newRow("mu0") << T(.4e-6 * M_PI); // Henry/metre
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QTest::newRow("Planck") << T(662.606876e-36); // Joule.second/turn
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}
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QTest::newRow("2e9") << T(2000000000);
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QTest::newRow("c.s/m") << T(299792458);
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QTest::newRow("Avogadro") << T(6.022045e+23); // things/mol (.996 << 79, so ints overflow to max)
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QTest::newRow("lowest") << std::numeric_limits<T>::lowest();
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QTest::newRow("max") << std::numeric_limits<T>::max();
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if (floaty) {
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QTest::newRow("min") << std::numeric_limits<T>::min();
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if (std::numeric_limits<T>::has_infinity) {
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const T uge = std::numeric_limits<T>::infinity();
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QTest::newRow("inf") << uge;
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QTest::newRow("-inf") << -uge;
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}
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if (std::numeric_limits<T>::has_quiet_NaN)
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QTest::newRow("nan") << std::numeric_limits<T>::quiet_NaN();
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}
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}
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template <typename T>
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void tst_toString::numeric()
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{
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QFETCH(T, datum);
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QBENCHMARK {
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auto tst = QTest::toString(datum);
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delete [] tst;
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}
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}
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template <typename T>
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void tst_toString::compare()
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{
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QFETCH(T, datum);
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QBENCHMARK {
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QCOMPARE(datum, datum);
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}
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}
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template <typename T>
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void tst_toString::compare_eq()
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{
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QFETCH(T, datum);
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if constexpr (std::numeric_limits<T>::has_quiet_NaN) {
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if (qIsNaN(datum))
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QSKIP("Unlike QCOMPARE, QCOMPARE_EQ doesn't handle NaN specially");
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}
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QBENCHMARK {
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QCOMPARE_EQ(datum, datum);
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}
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}
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QTEST_MAIN(tst_toString)
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#include "tst_tostring.moc"
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