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-rw-r--r--tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp70
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);
}