diff options
Diffstat (limited to 'tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp')
| -rw-r--r-- | tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp | 70 |
1 files changed, 32 insertions, 38 deletions
diff --git a/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp b/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp index 5dbe6663b9..03acf5c074 100644 --- a/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp +++ b/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp @@ -1,31 +1,6 @@ -/**************************************************************************** -** -** Copyright (C) 2021 The Qt Company Ltd. -** Copyright (C) 2016 Intel Corporation. -** 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2022 The Qt Company Ltd. +// Copyright (C) 2016 Intel Corporation. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 #include <QTest> @@ -179,6 +154,15 @@ void tst_QNumeric::fuzzyIsNull() QCOMPARE(::qFuzzyIsNull(-value), isNull); } +static void clearFpExceptions() +{ + // Call after any functions that exercise floating-point exceptions, such as + // sqrt(-1) or log(0). +#ifdef Q_OS_WIN + _clearfp(); +#endif +} + #if defined __FAST_MATH__ && (__GNUC__ * 100 + __GNUC_MINOR__ >= 404) // turn -ffast-math off # pragma GCC optimize "no-fast-math" @@ -187,6 +171,7 @@ void tst_QNumeric::fuzzyIsNull() template<typename F> void tst_QNumeric::checkNaN(F nan) { + const auto cleanup = qScopeGuard([]() { clearFpExceptions(); }); #define CHECKNAN(value) \ do { \ const F v = (value); \ @@ -195,21 +180,23 @@ void tst_QNumeric::checkNaN(F nan) QVERIFY(!qIsFinite(v)); \ QVERIFY(!qIsInf(v)); \ } while (0) + const F zero(0), one(1), two(2); - QVERIFY(!(0 > nan)); - QVERIFY(!(0 < nan)); - QVERIFY(!(0 == nan)); + QVERIFY(!(zero > nan)); + QVERIFY(!(zero < nan)); + QVERIFY(!(zero == nan)); QVERIFY(!(nan == nan)); CHECKNAN(nan); - CHECKNAN(nan + 1); - CHECKNAN(nan - 1); + CHECKNAN(nan + one); + CHECKNAN(nan - one); CHECKNAN(-nan); - CHECKNAN(nan * 2.0); - CHECKNAN(nan / 2.0); - CHECKNAN(1.0 / nan); - CHECKNAN(0.0 / nan); - CHECKNAN(0.0 * nan); + CHECKNAN(nan * two); + CHECKNAN(nan / two); + CHECKNAN(one / nan); + CHECKNAN(zero / nan); + CHECKNAN(zero * nan); + CHECKNAN(sqrt(-one)); // When any NaN is expected, any NaN will do: QCOMPARE(nan, nan); @@ -297,6 +284,7 @@ void tst_QNumeric::generalNaN() template<typename F> void tst_QNumeric::infinity() { + const auto cleanup = qScopeGuard([]() { clearFpExceptions(); }); const F inf = qInf(); const F zero(0), one(1), two(2); QVERIFY(inf > zero); @@ -319,6 +307,7 @@ void tst_QNumeric::infinity() QCOMPARE(one / -inf, zero); QVERIFY(qIsNaN(zero * inf)); QVERIFY(qIsNaN(zero * -inf)); + QCOMPARE(log(zero), -inf); } template<typename F> @@ -402,6 +391,11 @@ void tst_QNumeric::distance() QFETCH(F, from); QFETCH(F, stop); QFETCH(Count, expectedDistance); + if constexpr (std::numeric_limits<F>::has_denorm != std::denorm_present) { + if (qstrcmp(QTest::currentDataTag(), "denormal") == 0) { + QSKIP("Skipping 'denorm' as this type lacks denormals on this system"); + } + } QCOMPARE(qFloatDistance(from, stop), expectedDistance); QCOMPARE(qFloatDistance(stop, from), expectedDistance); } |