qt5base-lts/tests/auto/qatomicint/tst_qatomicint.cpp

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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****************************************************************************/
#include <QtTest/QtTest>
#include <QAtomicInt>
#include <QCoreApplication>
#include <limits.h>
//TESTED_CLASS=
//TESTED_FILES=
class tst_QAtomicInt : public QObject
{
Q_OBJECT
public:
tst_QAtomicInt();
~tst_QAtomicInt();
private slots:
void warningFree();
// QAtomicInt members
void constructor_data();
void constructor();
void copy_constructor_data();
void copy_constructor();
void equality_operator_data();
void equality_operator();
void inequality_operator_data();
void inequality_operator();
void not_operator_data();
void not_operator();
void cast_operator_data();
void cast_operator();
void assignment_operator_data();
void assignment_operator();
void isReferenceCountingNative();
void isReferenceCountingWaitFree();
void ref_data();
void ref();
void deref_data();
void deref();
void isTestAndSetNative();
void isTestAndSetWaitFree();
void testAndSet_data();
void testAndSet();
void isFetchAndStoreNative();
void isFetchAndStoreWaitFree();
void fetchAndStore_data();
void fetchAndStore();
void isFetchAndAddNative();
void isFetchAndAddWaitFree();
void fetchAndAdd_data();
void fetchAndAdd();
// stress tests
void testAndSet_loop();
void fetchAndAdd_loop();
void fetchAndAdd_threadedLoop();
private:
static void warningFreeHelper();
};
tst_QAtomicInt::tst_QAtomicInt()
{ }
tst_QAtomicInt::~tst_QAtomicInt()
{ }
void tst_QAtomicInt::warningFreeHelper()
{
qFatal("This code is bogus, and shouldn't be run. We're looking for compiler warnings only.");
QBasicAtomicInt i = Q_BASIC_ATOMIC_INITIALIZER(0);
int expectedValue = 0;
int newValue = 0;
int valueToAdd = 0;
i.ref();
i.deref();
i.testAndSetRelaxed(expectedValue, newValue);
i.testAndSetAcquire(expectedValue, newValue);
i.testAndSetRelease(expectedValue, newValue);
i.testAndSetOrdered(expectedValue, newValue);
i.fetchAndStoreRelaxed(newValue);
i.fetchAndStoreAcquire(newValue);
i.fetchAndStoreRelease(newValue);
i.fetchAndStoreOrdered(newValue);
i.fetchAndAddRelaxed(valueToAdd);
i.fetchAndAddAcquire(valueToAdd);
i.fetchAndAddRelease(valueToAdd);
i.fetchAndAddOrdered(valueToAdd);
}
void tst_QAtomicInt::warningFree()
{
// This is a compile time check for warnings.
// No need for actual work here.
void (*foo)() = &warningFreeHelper;
(void)foo;
}
void tst_QAtomicInt::constructor_data()
{
QTest::addColumn<int>("value");
QTest::newRow("0") << 31337;
QTest::newRow("1") << 0;
QTest::newRow("2") << 1;
QTest::newRow("3") << -1;
QTest::newRow("4") << 2;
QTest::newRow("5") << -2;
QTest::newRow("6") << 3;
QTest::newRow("7") << -3;
QTest::newRow("8") << INT_MAX;
QTest::newRow("9") << INT_MIN+1;
}
void tst_QAtomicInt::constructor()
{
QFETCH(int, value);
QAtomicInt atomic1(value);
QCOMPARE(int(atomic1), value);
QAtomicInt atomic2 = value;
QCOMPARE(int(atomic2), value);
}
void tst_QAtomicInt::copy_constructor_data()
{ constructor_data(); }
void tst_QAtomicInt::copy_constructor()
{
QFETCH(int, value);
QAtomicInt atomic1(value);
QCOMPARE(int(atomic1), value);
QAtomicInt atomic2(atomic1);
QCOMPARE(int(atomic2), value);
QAtomicInt atomic3 = atomic1;
QCOMPARE(int(atomic3), value);
QAtomicInt atomic4(atomic2);
QCOMPARE(int(atomic4), value);
QAtomicInt atomic5 = atomic2;
QCOMPARE(int(atomic5), value);
}
void tst_QAtomicInt::equality_operator_data()
{
QTest::addColumn<int>("value1");
QTest::addColumn<int>("value2");
QTest::addColumn<int>("result");
QTest::newRow("success0") << 1 << 1 << 1;
QTest::newRow("success1") << -1 << -1 << 1;
QTest::newRow("failure0") << 0 << 1 << 0;
QTest::newRow("failure1") << 1 << 0 << 0;
QTest::newRow("failure2") << 0 << -1 << 0;
QTest::newRow("failure3") << -1 << 0 << 0;
}
void tst_QAtomicInt::equality_operator()
{
QFETCH(int, value1);
QFETCH(int, value2);
QAtomicInt x = value1;
QTEST(x == value2 ? 1 : 0, "result");
}
void tst_QAtomicInt::inequality_operator_data()
{
QTest::addColumn<int>("value1");
QTest::addColumn<int>("value2");
QTest::addColumn<int>("result");
QTest::newRow("failure0") << 1 << 1 << 0;
QTest::newRow("failure1") << -1 << -1 << 0;
QTest::newRow("success0") << 0 << 1 << 1;
QTest::newRow("success1") << 1 << 0 << 1;
QTest::newRow("success2") << 0 << -1 << 1;
QTest::newRow("success3") << -1 << 0 << 1;
}
void tst_QAtomicInt::inequality_operator()
{
QFETCH(int, value1);
QFETCH(int, value2);
QAtomicInt x = value1;
QTEST(x != value2 ? 1 : 0, "result");
}
void tst_QAtomicInt::not_operator_data()
{ constructor_data(); }
void tst_QAtomicInt::not_operator()
{
QFETCH(int, value);
QAtomicInt atomic = value;
QCOMPARE(!atomic, !value);
}
void tst_QAtomicInt::cast_operator_data()
{ constructor_data(); }
void tst_QAtomicInt::cast_operator()
{
QFETCH(int, value);
QAtomicInt atomic = value;
int copy = atomic;
QCOMPARE(copy, value);
}
void tst_QAtomicInt::assignment_operator_data()
{
QTest::addColumn<int>("value");
QTest::addColumn<int>("newval");
QTest::newRow("value0") << 0 << 1;
QTest::newRow("value1") << 1 << 0;
QTest::newRow("value2") << 0 << -1;
QTest::newRow("value3") << -1 << 0;
QTest::newRow("value4") << -1 << 1;
QTest::newRow("value5") << 1 << -1;
}
void tst_QAtomicInt::assignment_operator()
{
QFETCH(int, value);
QFETCH(int, newval);
{
QAtomicInt atomic1 = value;
atomic1 = newval;
QCOMPARE(int(atomic1), newval);
atomic1 = value;
QCOMPARE(int(atomic1), value);
QAtomicInt atomic2 = newval;
atomic1 = atomic2;
QCOMPARE(atomic1, atomic2);
}
}
void tst_QAtomicInt::isReferenceCountingNative()
{
#if defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE)
// the runtime test should say the same thing
QVERIFY(QAtomicInt::isReferenceCountingNative());
# if (defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_SOMETIMES_NATIVE) \
|| defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE))
# error "Define only one of Q_ATOMIC_INT_REFERENCE_COUNTING_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#elif defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_SOMETIMES_NATIVE)
// could be either, just want to make sure the function is implemented
QVERIFY(QAtomicInt::isReferenceCountingNative() || !QAtomicInt::isReferenceCountingNative());
# if (defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE) \
|| defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE))
# error "Define only one of Q_ATOMIC_INT_REFERENCE_COUNTING_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#elif defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE)
// the runtime test should say the same thing
QVERIFY(!QAtomicInt::isReferenceCountingNative());
# if (defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_ALWAYS_NATIVE) \
|| defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_SOMETIMES_NATIVE))
# error "Define only one of Q_ATOMIC_INT_REFERENCE_COUNTING_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#else
# error "Q_ATOMIC_INT_REFERENCE_COUNTING_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE is not defined"
#endif
}
void tst_QAtomicInt::isReferenceCountingWaitFree()
{
#if defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_WAIT_FREE)
// the runtime test should say the same thing
QVERIFY(QAtomicInt::isReferenceCountingWaitFree());
// enforce some invariants
QVERIFY(QAtomicInt::isReferenceCountingNative());
# if defined(Q_ATOMIC_INT_REFERENCE_COUNTING_IS_NOT_NATIVE)
# error "Reference counting cannot be wait-free and unsupported at the same time!"
# endif
#else
// the runtime test should say the same thing
QVERIFY(!QAtomicInt::isReferenceCountingWaitFree());
#endif
}
void tst_QAtomicInt::ref_data()
{
QTest::addColumn<int>("value");
QTest::addColumn<int>("result");
QTest::addColumn<int>("expected");
QTest::newRow("data0") << 0 << 1 << 1;
QTest::newRow("data1") << -1 << 0 << 0;
QTest::newRow("data2") << 1 << 1 << 2;
}
void tst_QAtomicInt::ref()
{
QFETCH(int, value);
QAtomicInt x = value;
QTEST(x.ref() ? 1 : 0, "result");
QTEST(int(x), "expected");
}
void tst_QAtomicInt::deref_data()
{
QTest::addColumn<int>("value");
QTest::addColumn<int>("result");
QTest::addColumn<int>("expected");
QTest::newRow("data0") << 0 << 1 << -1;
QTest::newRow("data1") << 1 << 0 << 0;
QTest::newRow("data2") << 2 << 1 << 1;
}
void tst_QAtomicInt::deref()
{
QFETCH(int, value);
QAtomicInt x = value;
QTEST(x.deref() ? 1 : 0, "result");
QTEST(int(x), "expected");
}
void tst_QAtomicInt::isTestAndSetNative()
{
#if defined(Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE)
// the runtime test should say the same thing
QVERIFY(QAtomicInt::isTestAndSetNative());
# if (defined(Q_ATOMIC_INT_TEST_AND_SET_IS_SOMETIMES_NATIVE) \
|| defined(Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE))
# error "Define only one of Q_ATOMIC_INT_TEST_AND_SET_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#elif defined(Q_ATOMIC_INT_TEST_AND_SET_IS_SOMETIMES_NATIVE)
// could be either, just want to make sure the function is implemented
QVERIFY(QAtomicInt::isTestAndSetNative() || !QAtomicInt::isTestAndSetNative());
# if (defined(Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE) \
|| defined(Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE))
# error "Define only one of Q_ATOMIC_INT_TEST_AND_SET_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#elif defined(Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE)
// the runtime test should say the same thing
QVERIFY(!QAtomicInt::isTestAndSetNative());
# if (defined(Q_ATOMIC_INT_TEST_AND_SET_IS_ALWAYS_NATIVE) \
|| defined(Q_ATOMIC_INT_TEST_AND_SET_IS_SOMETIMES_NATIVE))
# error "Define only one of Q_ATOMIC_INT_TEST_AND_SET_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#else
# error "Q_ATOMIC_INT_TEST_AND_SET_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE is not defined"
#endif
}
void tst_QAtomicInt::isTestAndSetWaitFree()
{
#if defined(Q_ATOMIC_INT_TEST_AND_SET_IS_WAIT_FREE)
// the runtime test should say the same thing
QVERIFY(QAtomicInt::isTestAndSetWaitFree());
// enforce some invariants
QVERIFY(QAtomicInt::isTestAndSetNative());
# if defined(Q_ATOMIC_INT_TEST_AND_SET_IS_NOT_NATIVE)
# error "Reference counting cannot be wait-free and unsupported at the same time!"
# endif
#else
// the runtime test should say the same thing
QVERIFY(!QAtomicInt::isTestAndSetWaitFree());
#endif
}
void tst_QAtomicInt::testAndSet_data()
{
QTest::addColumn<int>("value");
QTest::addColumn<int>("expected");
QTest::addColumn<int>("newval");
QTest::addColumn<int>("result");
// these should succeed
QTest::newRow("success0") << 0 << 0 << 0 << 1;
QTest::newRow("success1") << 0 << 0 << 1 << 1;
QTest::newRow("success2") << 0 << 0 << -1 << 1;
QTest::newRow("success3") << 1 << 1 << 0 << 1;
QTest::newRow("success4") << 1 << 1 << 1 << 1;
QTest::newRow("success5") << 1 << 1 << -1 << 1;
QTest::newRow("success6") << -1 << -1 << 0 << 1;
QTest::newRow("success7") << -1 << -1 << 1 << 1;
QTest::newRow("success8") << -1 << -1 << -1 << 1;
QTest::newRow("success9") << INT_MIN+1 << INT_MIN+1 << INT_MIN+1 << 1;
QTest::newRow("successA") << INT_MIN+1 << INT_MIN+1 << 1 << 1;
QTest::newRow("successB") << INT_MIN+1 << INT_MIN+1 << -1 << 1;
QTest::newRow("successC") << INT_MAX << INT_MAX << INT_MAX << 1;
QTest::newRow("successD") << INT_MAX << INT_MAX << 1 << 1;
QTest::newRow("successE") << INT_MAX << INT_MAX << -1 << 1;
// these should fail
QTest::newRow("failure0") << 0 << 1 << ~0 << 0;
QTest::newRow("failure1") << 0 << -1 << ~0 << 0;
QTest::newRow("failure2") << 1 << 0 << ~0 << 0;
QTest::newRow("failure3") << -1 << 0 << ~0 << 0;
QTest::newRow("failure4") << 1 << -1 << ~0 << 0;
QTest::newRow("failure5") << -1 << 1 << ~0 << 0;
QTest::newRow("failure6") << INT_MIN+1 << INT_MAX << ~0 << 0;
QTest::newRow("failure7") << INT_MAX << INT_MIN+1 << ~0 << 0;
}
void tst_QAtomicInt::testAndSet()
{
QFETCH(int, value);
QFETCH(int, expected);
QFETCH(int, newval);
{
QAtomicInt atomic = value;
QTEST(atomic.testAndSetRelaxed(expected, newval) ? 1 : 0, "result");
}
{
QAtomicInt atomic = value;
QTEST(atomic.testAndSetAcquire(expected, newval) ? 1 : 0, "result");
}
{
QAtomicInt atomic = value;
QTEST(atomic.testAndSetRelease(expected, newval) ? 1 : 0, "result");
}
{
QAtomicInt atomic = value;
QTEST(atomic.testAndSetOrdered(expected, newval) ? 1 : 0, "result");
}
}
void tst_QAtomicInt::isFetchAndStoreNative()
{
#if defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE)
// the runtime test should say the same thing
QVERIFY(QAtomicInt::isFetchAndStoreNative());
# if (defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_SOMETIMES_NATIVE) \
|| defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE))
# error "Define only one of Q_ATOMIC_INT_FETCH_AND_STORE_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#elif defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_SOMETIMES_NATIVE)
// could be either, just want to make sure the function is implemented
QVERIFY(QAtomicInt::isFetchAndStoreNative() || !QAtomicInt::isFetchAndStoreNative());
# if (defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE) \
|| defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE))
# error "Define only one of Q_ATOMIC_INT_FETCH_AND_STORE_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#elif defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE)
// the runtime test should say the same thing
QVERIFY(!QAtomicInt::isFetchAndStoreNative());
# if (defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_ALWAYS_NATIVE) \
|| defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_SOMETIMES_NATIVE))
# error "Define only one of Q_ATOMIC_INT_FETCH_AND_STORE_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#else
# error "Q_ATOMIC_INT_FETCH_AND_STORE_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE is not defined"
#endif
}
void tst_QAtomicInt::isFetchAndStoreWaitFree()
{
#if defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_WAIT_FREE)
// the runtime test should say the same thing
QVERIFY(QAtomicInt::isFetchAndStoreWaitFree());
// enforce some invariants
QVERIFY(QAtomicInt::isFetchAndStoreNative());
# if defined(Q_ATOMIC_INT_FETCH_AND_STORE_IS_NOT_NATIVE)
# error "Reference counting cannot be wait-free and unsupported at the same time!"
# endif
#else
// the runtime test should say the same thing
QVERIFY(!QAtomicInt::isFetchAndStoreWaitFree());
#endif
}
void tst_QAtomicInt::fetchAndStore_data()
{
QTest::addColumn<int>("value");
QTest::addColumn<int>("newval");
QTest::newRow("data0") << 0 << 1;
QTest::newRow("data1") << 1 << 2;
QTest::newRow("data2") << 3 << 8;
}
void tst_QAtomicInt::fetchAndStore()
{
QFETCH(int, value);
QFETCH(int, newval);
{
QAtomicInt atomic = value;
QCOMPARE(atomic.fetchAndStoreRelaxed(newval), value);
QCOMPARE(int(atomic), newval);
}
{
QAtomicInt atomic = value;
QCOMPARE(atomic.fetchAndStoreAcquire(newval), value);
QCOMPARE(int(atomic), newval);
}
{
QAtomicInt atomic = value;
QCOMPARE(atomic.fetchAndStoreRelease(newval), value);
QCOMPARE(int(atomic), newval);
}
{
QAtomicInt atomic = value;
QCOMPARE(atomic.fetchAndStoreOrdered(newval), value);
QCOMPARE(int(atomic), newval);
}
}
void tst_QAtomicInt::isFetchAndAddNative()
{
#if defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE)
// the runtime test should say the same thing
QVERIFY(QAtomicInt::isFetchAndAddNative());
# if (defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_SOMETIMES_NATIVE) \
|| defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE))
# error "Define only one of Q_ATOMIC_INT_FETCH_AND_ADD_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#elif defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_SOMETIMES_NATIVE)
// could be either, just want to make sure the function is implemented
QVERIFY(QAtomicInt::isFetchAndAddNative() || !QAtomicInt::isFetchAndAddNative());
# if (defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE) \
|| defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE))
# error "Define only one of Q_ATOMIC_INT_FETCH_AND_ADD_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#elif defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE)
// the runtime test should say the same thing
QVERIFY(!QAtomicInt::isFetchAndAddNative());
# if (defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_ALWAYS_NATIVE) \
|| defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_SOMETIMES_NATIVE))
# error "Define only one of Q_ATOMIC_INT_FETCH_AND_ADD_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE"
# endif
#else
# error "Q_ATOMIC_INT_FETCH_AND_ADD_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE is not defined"
#endif
}
void tst_QAtomicInt::isFetchAndAddWaitFree()
{
#if defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_WAIT_FREE)
// the runtime test should say the same thing
QVERIFY(QAtomicInt::isFetchAndAddWaitFree());
// enforce some invariants
QVERIFY(QAtomicInt::isFetchAndAddNative());
# if defined(Q_ATOMIC_INT_FETCH_AND_ADD_IS_NOT_NATIVE)
# error "Reference counting cannot be wait-free and unsupported at the same time!"
# endif
#else
// the runtime test should say the same thing
QVERIFY(!QAtomicInt::isFetchAndAddWaitFree());
#endif
}
void tst_QAtomicInt::fetchAndAdd_data()
{
QTest::addColumn<int>("value1");
QTest::addColumn<int>("value2");
QTest::newRow("0+1") << 0 << 1;
QTest::newRow("1+0") << 1 << 0;
QTest::newRow("1+2") << 1 << 2;
QTest::newRow("2+1") << 2 << 1;
QTest::newRow("10+21") << 10 << 21;
QTest::newRow("31+40") << 31 << 40;
QTest::newRow("51+62") << 51 << 62;
QTest::newRow("72+81") << 72 << 81;
QTest::newRow("810+721") << 810 << 721;
QTest::newRow("631+540") << 631 << 540;
QTest::newRow("451+362") << 451 << 362;
QTest::newRow("272+181") << 272 << 181;
QTest::newRow("1810+8721") << 1810 << 8721;
QTest::newRow("3631+6540") << 3631 << 6540;
QTest::newRow("5451+4362") << 5451 << 4362;
QTest::newRow("7272+2181") << 7272 << 2181;
QTest::newRow("0+-1") << 0 << -1;
QTest::newRow("1+0") << 1 << 0;
QTest::newRow("1+-2") << 1 << -2;
QTest::newRow("2+-1") << 2 << -1;
QTest::newRow("10+-21") << 10 << -21;
QTest::newRow("31+-40") << 31 << -40;
QTest::newRow("51+-62") << 51 << -62;
QTest::newRow("72+-81") << 72 << -81;
QTest::newRow("810+-721") << 810 << -721;
QTest::newRow("631+-540") << 631 << -540;
QTest::newRow("451+-362") << 451 << -362;
QTest::newRow("272+-181") << 272 << -181;
QTest::newRow("1810+-8721") << 1810 << -8721;
QTest::newRow("3631+-6540") << 3631 << -6540;
QTest::newRow("5451+-4362") << 5451 << -4362;
QTest::newRow("7272+-2181") << 7272 << -2181;
QTest::newRow("0+1") << 0 << 1;
QTest::newRow("-1+0") << -1 << 0;
QTest::newRow("-1+2") << -1 << 2;
QTest::newRow("-2+1") << -2 << 1;
QTest::newRow("-10+21") << -10 << 21;
QTest::newRow("-31+40") << -31 << 40;
QTest::newRow("-51+62") << -51 << 62;
QTest::newRow("-72+81") << -72 << 81;
QTest::newRow("-810+721") << -810 << 721;
QTest::newRow("-631+540") << -631 << 540;
QTest::newRow("-451+362") << -451 << 362;
QTest::newRow("-272+181") << -272 << 181;
QTest::newRow("-1810+8721") << -1810 << 8721;
QTest::newRow("-3631+6540") << -3631 << 6540;
QTest::newRow("-5451+4362") << -5451 << 4362;
QTest::newRow("-7272+2181") << -7272 << 2181;
}
void tst_QAtomicInt::fetchAndAdd()
{
QFETCH(int, value1);
QFETCH(int, value2);
int result;
{
QAtomicInt atomic = value1;
result = atomic.fetchAndAddRelaxed(value2);
QCOMPARE(result, value1);
QCOMPARE(int(atomic), value1 + value2);
}
{
QAtomicInt atomic = value1;
result = atomic.fetchAndAddAcquire(value2);
QCOMPARE(result, value1);
QCOMPARE(int(atomic), value1 + value2);
}
{
QAtomicInt atomic = value1;
result = atomic.fetchAndAddRelease(value2);
QCOMPARE(result, value1);
QCOMPARE(int(atomic), value1 + value2);
}
{
QAtomicInt atomic = value1;
result = atomic.fetchAndAddOrdered(value2);
QCOMPARE(result, value1);
QCOMPARE(int(atomic), value1 + value2);
}
}
void tst_QAtomicInt::testAndSet_loop()
{
QTime stopWatch;
stopWatch.start();
int iterations = 10000000;
QAtomicInt val=0;
for (int i = 0; i < iterations; ++i) {
QVERIFY(val.testAndSetRelaxed(val, val+1));
if ((i % 1000) == 999) {
if (stopWatch.elapsed() > 60 * 1000) {
// This test shouldn't run for more than two minutes.
qDebug("Interrupted test after %d iterations (%.2f iterations/sec)",
i, (i * 1000.0) / double(stopWatch.elapsed()));
break;
}
}
}
}
void tst_QAtomicInt::fetchAndAdd_loop()
{
int iterations = 10000000;
#if defined (Q_OS_HPUX)
iterations = 1000000;
#endif
QAtomicInt val=0;
for (int i = 0; i < iterations; ++i) {
const int prev = val.fetchAndAddRelaxed(1);
QCOMPARE(prev, int(val) -1);
}
}
class FetchAndAddThread : public QThread
{
public:
void run()
{
for (int i = 0; i < iterations; ++i)
val->fetchAndAddAcquire(1);
for (int i = 0; i < iterations; ++i)
val->fetchAndAddAcquire(-1);
}
QAtomicInt *val;
int iterations;
};
void tst_QAtomicInt::fetchAndAdd_threadedLoop()
{
QAtomicInt val;
FetchAndAddThread t1;
t1.val = &val;
t1.iterations = 1000000;
FetchAndAddThread t2;
t2.val = &val;
t2.iterations = 2000000;
t1.start();
t2.start();
t1.wait();
t2.wait();
QCOMPARE(int(val), 0);
}
QTEST_MAIN(tst_QAtomicInt)
#include "tst_qatomicint.moc"