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-rw-r--r--tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp155
1 files changed, 76 insertions, 79 deletions
diff --git a/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp b/tests/auto/corelib/global/qnumeric/tst_qnumeric.cpp
index 5dbe6663b9..d21fabd74e 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
#include <QTest>
@@ -116,7 +91,7 @@ void tst_QNumeric::fuzzyCompare_data()
QTest::addColumn<bool>("isEqual");
const F zero(0), one(1), ten(10);
const F huge = Fuzzy<F>::scale, tiny = one / huge;
- const F deci(.1), giga(1e9), nano(1e-9), big(1e7), small(1e-10);
+ const F deci(.1f), giga(1e9f), nano(1e-9f), big(1e7f), small(1e-10f);
QTest::newRow("zero") << zero << zero << true;
QTest::newRow("ten") << ten << ten << true;
@@ -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>
@@ -332,8 +321,11 @@ void tst_QNumeric::classifyfp()
QCOMPARE(qFpClassify(inf), FP_INFINITE);
QCOMPARE(qFpClassify(-inf), FP_INFINITE);
+ QT_WARNING_PUSH;
+ QT_WARNING_DISABLE_MSVC(4056);
QCOMPARE(qFpClassify(huge * two), FP_INFINITE);
QCOMPARE(qFpClassify(huge * -two), FP_INFINITE);
+ QT_WARNING_POP;
QCOMPARE(qFpClassify(one), FP_NORMAL);
QCOMPARE(qFpClassify(huge), FP_NORMAL);
@@ -402,6 +394,11 @@ 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);
}
@@ -440,33 +437,33 @@ template <typename Int> static void addOverflow_template()
#define ADD_COMPARE_NONOVF(v1, v2, expected) \
do { \
- QCOMPARE(add_overflow(Int(v1), Int(v2), &r), false); \
+ QCOMPARE(qAddOverflow(Int(v1), Int(v2), &r), false); \
QCOMPARE(r, Int(expected)); \
- QCOMPARE(add_overflow(Int(v1), (std::integral_constant<Int, Int(v2)>()), &r), false); \
+ QCOMPARE(qAddOverflow(Int(v1), (std::integral_constant<Int, Int(v2)>()), &r), false); \
QCOMPARE(r, Int(expected)); \
- QCOMPARE(add_overflow<v2>(Int(v1), &r), false); \
+ QCOMPARE(qAddOverflow<v2>(Int(v1), &r), false); \
QCOMPARE(r, Int(expected)); \
} while (false)
#define ADD_COMPARE_OVF(v1, v2) \
do { \
- QCOMPARE(add_overflow(Int(v1), Int(v2), &r), true); \
- QCOMPARE(add_overflow(Int(v1), (std::integral_constant<Int, Int(v2)>()), &r), true); \
- QCOMPARE(add_overflow<v2>(Int(v1), &r), true); \
+ QCOMPARE(qAddOverflow(Int(v1), Int(v2), &r), true); \
+ QCOMPARE(qAddOverflow(Int(v1), (std::integral_constant<Int, Int(v2)>()), &r), true); \
+ QCOMPARE(qAddOverflow<v2>(Int(v1), &r), true); \
} while (false)
#define SUB_COMPARE_NONOVF(v1, v2, expected) \
do { \
- QCOMPARE(sub_overflow(Int(v1), Int(v2), &r), false); \
+ QCOMPARE(qSubOverflow(Int(v1), Int(v2), &r), false); \
QCOMPARE(r, Int(expected)); \
- QCOMPARE(sub_overflow(Int(v1), (std::integral_constant<Int, Int(v2)>()), &r), false); \
+ QCOMPARE(qSubOverflow(Int(v1), (std::integral_constant<Int, Int(v2)>()), &r), false); \
QCOMPARE(r, Int(expected)); \
- QCOMPARE(sub_overflow<v2>(Int(v1), &r), false); \
+ QCOMPARE(qSubOverflow<v2>(Int(v1), &r), false); \
QCOMPARE(r, Int(expected)); \
} while (false)
#define SUB_COMPARE_OVF(v1, v2) \
do { \
- QCOMPARE(sub_overflow(Int(v1), Int(v2), &r), true); \
- QCOMPARE(sub_overflow(Int(v1), (std::integral_constant<Int, Int(v2)>()), &r), true); \
- QCOMPARE(sub_overflow<v2>(Int(v1), &r), true); \
+ QCOMPARE(qSubOverflow(Int(v1), Int(v2), &r), true); \
+ QCOMPARE(qSubOverflow(Int(v1), (std::integral_constant<Int, Int(v2)>()), &r), true); \
+ QCOMPARE(qSubOverflow<v2>(Int(v1), &r), true); \
} while (false)
// basic values
@@ -617,18 +614,18 @@ template <typename Int> static void mulOverflow_template()
#define MUL_COMPARE_NONOVF(v1, v2, expected) \
do { \
- QCOMPARE(mul_overflow(Int(v1), Int(v2), &r), false); \
+ QCOMPARE(qMulOverflow(Int(v1), Int(v2), &r), false); \
QCOMPARE(r, Int(expected)); \
- QCOMPARE(mul_overflow(Int(v1), (std::integral_constant<Int, v2>()), &r), false); \
+ QCOMPARE(qMulOverflow(Int(v1), (std::integral_constant<Int, v2>()), &r), false); \
QCOMPARE(r, Int(expected)); \
- QCOMPARE(mul_overflow<v2>(Int(v1), &r), false); \
+ QCOMPARE(qMulOverflow<v2>(Int(v1), &r), false); \
QCOMPARE(r, Int(expected)); \
} while (false);
#define MUL_COMPARE_OVF(v1, v2) \
do { \
- QCOMPARE(mul_overflow(Int(v1), Int(v2), &r), true); \
- QCOMPARE(mul_overflow(Int(v1), (std::integral_constant<Int, v2>()), &r), true); \
- QCOMPARE(mul_overflow<v2>(Int(v1), &r), true); \
+ QCOMPARE(qMulOverflow(Int(v1), Int(v2), &r), true); \
+ QCOMPARE(qMulOverflow(Int(v1), (std::integral_constant<Int, v2>()), &r), true); \
+ QCOMPARE(qMulOverflow<v2>(Int(v1), &r), true); \
} while (false);
// basic multiplications
@@ -729,28 +726,28 @@ void tst_QNumeric::signedOverflow()
const int maxInt = std::numeric_limits<int>::max();
int r;
- QCOMPARE(add_overflow(minInt + 1, int(-1), &r), false);
- QCOMPARE(add_overflow(minInt, int(-1), &r), true);
- QCOMPARE(add_overflow(minInt, minInt, &r), true);
- QCOMPARE(add_overflow(maxInt - 1, int(1), &r), false);
- QCOMPARE(add_overflow(maxInt, int(1), &r), true);
- QCOMPARE(add_overflow(maxInt, maxInt, &r), true);
-
- QCOMPARE(sub_overflow(minInt + 1, int(1), &r), false);
- QCOMPARE(sub_overflow(minInt, int(1), &r), true);
- QCOMPARE(sub_overflow(minInt, maxInt, &r), true);
- QCOMPARE(sub_overflow(maxInt - 1, int(-1), &r), false);
- QCOMPARE(sub_overflow(maxInt, int(-1), &r), true);
- QCOMPARE(sub_overflow(maxInt, minInt, &r), true);
-
- QCOMPARE(mul_overflow(minInt, int(1), &r), false);
- QCOMPARE(mul_overflow(minInt, int(-1), &r), true);
- QCOMPARE(mul_overflow(minInt, int(2), &r), true);
- QCOMPARE(mul_overflow(minInt, minInt, &r), true);
- QCOMPARE(mul_overflow(maxInt, int(1), &r), false);
- QCOMPARE(mul_overflow(maxInt, int(-1), &r), false);
- QCOMPARE(mul_overflow(maxInt, int(2), &r), true);
- QCOMPARE(mul_overflow(maxInt, maxInt, &r), true);
+ QCOMPARE(qAddOverflow(minInt + 1, int(-1), &r), false);
+ QCOMPARE(qAddOverflow(minInt, int(-1), &r), true);
+ QCOMPARE(qAddOverflow(minInt, minInt, &r), true);
+ QCOMPARE(qAddOverflow(maxInt - 1, int(1), &r), false);
+ QCOMPARE(qAddOverflow(maxInt, int(1), &r), true);
+ QCOMPARE(qAddOverflow(maxInt, maxInt, &r), true);
+
+ QCOMPARE(qSubOverflow(minInt + 1, int(1), &r), false);
+ QCOMPARE(qSubOverflow(minInt, int(1), &r), true);
+ QCOMPARE(qSubOverflow(minInt, maxInt, &r), true);
+ QCOMPARE(qSubOverflow(maxInt - 1, int(-1), &r), false);
+ QCOMPARE(qSubOverflow(maxInt, int(-1), &r), true);
+ QCOMPARE(qSubOverflow(maxInt, minInt, &r), true);
+
+ QCOMPARE(qMulOverflow(minInt, int(1), &r), false);
+ QCOMPARE(qMulOverflow(minInt, int(-1), &r), true);
+ QCOMPARE(qMulOverflow(minInt, int(2), &r), true);
+ QCOMPARE(qMulOverflow(minInt, minInt, &r), true);
+ QCOMPARE(qMulOverflow(maxInt, int(1), &r), false);
+ QCOMPARE(qMulOverflow(maxInt, int(-1), &r), false);
+ QCOMPARE(qMulOverflow(maxInt, int(2), &r), true);
+ QCOMPARE(qMulOverflow(maxInt, maxInt, &r), true);
}
QTEST_APPLESS_MAIN(tst_QNumeric)