/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** 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 either Technology Preview License Agreement or the ** Beta Release License Agreement. ** ** 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 1.0, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at http://qt.nokia.com/contact. ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include #include //TESTED_CLASS= //TESTED_FILES= class tst_QAtomicPointer : public QObject { Q_OBJECT public: tst_QAtomicPointer(); ~tst_QAtomicPointer(); private slots: void constructor(); void copy_constructor(); void equality_operator(); void inequality_operator(); void assignment_operator(); void star_operator(); void dereference_operator(); void isTestAndSetNative(); void isTestAndSetWaitFree(); void testAndSet(); void isFetchAndStoreNative(); void isFetchAndStoreWaitFree(); void fetchAndStore(); void isFetchAndAddNative(); void isFetchAndAddWaitFree(); void fetchAndAdd_data(); void fetchAndAdd(); }; tst_QAtomicPointer::tst_QAtomicPointer() { } tst_QAtomicPointer::~tst_QAtomicPointer() { } void tst_QAtomicPointer::constructor() { void *one = this; QAtomicPointer atomic1 = one; QVERIFY(atomic1 == one); void *two = &one; QAtomicPointer atomic2 = two; QVERIFY(atomic2 == two); void *three = &two; QAtomicPointer atomic3 = three; QVERIFY(atomic3 == three); } void tst_QAtomicPointer::copy_constructor() { void *one = this; QAtomicPointer atomic1 = one; QAtomicPointer atomic1_copy = atomic1; QVERIFY(atomic1_copy == one); QCOMPARE(atomic1_copy, atomic1); void *two = &one; QAtomicPointer atomic2 = two; QAtomicPointer atomic2_copy = atomic2; QVERIFY(atomic2_copy == two); QCOMPARE(atomic2_copy, atomic2); void *three = &two; QAtomicPointer atomic3 = three; QAtomicPointer atomic3_copy = atomic3; QVERIFY(atomic3_copy == three); QCOMPARE(atomic3_copy, atomic3); } void tst_QAtomicPointer::equality_operator() { void *one = this; void *two = &one; void *three = &two; QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(!(atomic1 == two)); QVERIFY(!(atomic1 == three)); QVERIFY(!(atomic2 == one)); QVERIFY(atomic2 == two); QVERIFY(!(atomic2 == three)); QVERIFY(!(atomic3 == one)); QVERIFY(!(atomic3 == two)); QVERIFY(atomic3 == three); } void tst_QAtomicPointer::inequality_operator() { void *one = this; void *two = &one; void *three = &two; QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(!(atomic1 != one)); QVERIFY(atomic1 != two); QVERIFY(atomic1 != three); QVERIFY(atomic2 != one); QVERIFY(!(atomic2 != two)); QVERIFY(atomic2 != three); QVERIFY(atomic3 != one); QVERIFY(atomic3 != two); QVERIFY(!(atomic3 != three)); } void tst_QAtomicPointer::assignment_operator() { void *one = this; void *two = &one; void *three = &two; QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(atomic2 == two); QVERIFY(atomic3 == three); atomic1 = two; atomic2 = three; atomic3 = one; QVERIFY(atomic1 == two); QVERIFY(atomic2 == three); QVERIFY(atomic3 == one); } struct Type { inline const Type *self() const { return this; } }; void tst_QAtomicPointer::star_operator() { Type t; QAtomicPointer p = &t; QCOMPARE((*p).self(), t.self()); } void tst_QAtomicPointer::dereference_operator() { Type t; QAtomicPointer p = &t; QCOMPARE(p->self(), t.self()); } void tst_QAtomicPointer::isTestAndSetNative() { #if defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE) // the runtime test should say the same thing QVERIFY(QAtomicPointer::isTestAndSetNative()); # if (defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_SOMETIMES_NATIVE) \ || defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE)) # error "Define only one of Q_ATOMIC_POINTER_TEST_AND_SET_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE" # endif #elif defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_SOMETIMES_NATIVE) // could be either, just want to make sure the function is implemented QVERIFY(QAtomicPointer::isTestAndSetNative() || !QAtomicPointer::isTestAndSetNative()); # if (defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE) \ || defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE)) # error "Define only one of Q_ATOMIC_POINTER_TEST_AND_SET_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE" # endif #elif defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_NOT_NATIVE) // the runtime test should say the same thing QVERIFY(!QAtomicPointer::isTestAndSetNative()); # if (defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_ALWAYS_NATIVE) \ || defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_SOMETIMES_NATIVE)) # error "Define only one of Q_ATOMIC_POINTER_TEST_AND_SET_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE" # endif #else # error "Q_ATOMIC_POINTER_TEST_AND_SET_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE is not defined" #endif } void tst_QAtomicPointer::isTestAndSetWaitFree() { #if defined(Q_ATOMIC_POINTER_TEST_AND_SET_IS_WAIT_FREE) // the runtime test should say the same thing QVERIFY(QAtomicPointer::isTestAndSetWaitFree()); // enforce some invariants QVERIFY(QAtomicPointer::isTestAndSetNative()); # if defined(Q_ATOMIC_POINTER_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(!QAtomicPointer::isTestAndSetWaitFree()); #endif } void tst_QAtomicPointer::testAndSet() { void *one = this; void *two = &one; void *three = &two; { QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(atomic2 == two); QVERIFY(atomic3 == three); QVERIFY(atomic1.testAndSetRelaxed(one, two)); QVERIFY(atomic2.testAndSetRelaxed(two, three)); QVERIFY(atomic3.testAndSetRelaxed(three, one)); QVERIFY(atomic1 == two); QVERIFY(atomic2 == three); QVERIFY(atomic3 == one); } { QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(atomic2 == two); QVERIFY(atomic3 == three); QVERIFY(atomic1.testAndSetAcquire(one, two)); QVERIFY(atomic2.testAndSetAcquire(two, three)); QVERIFY(atomic3.testAndSetAcquire(three, one)); QVERIFY(atomic1 == two); QVERIFY(atomic2 == three); QVERIFY(atomic3 == one); } { QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(atomic2 == two); QVERIFY(atomic3 == three); QVERIFY(atomic1.testAndSetRelease(one, two)); QVERIFY(atomic2.testAndSetRelease(two, three)); QVERIFY(atomic3.testAndSetRelease(three, one)); QVERIFY(atomic1 == two); QVERIFY(atomic2 == three); QVERIFY(atomic3 == one); } { QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(atomic2 == two); QVERIFY(atomic3 == three); QVERIFY(atomic1.testAndSetOrdered(one, two)); QVERIFY(atomic2.testAndSetOrdered(two, three)); QVERIFY(atomic3.testAndSetOrdered(three, one)); QVERIFY(atomic1 == two); QVERIFY(atomic2 == three); QVERIFY(atomic3 == one); } } void tst_QAtomicPointer::isFetchAndStoreNative() { #if defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE) // the runtime test should say the same thing QVERIFY(QAtomicPointer::isFetchAndStoreNative()); # if (defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_SOMETIMES_NATIVE) \ || defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE)) # error "Define only one of Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE" # endif #elif defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_SOMETIMES_NATIVE) // could be either, just want to make sure the function is implemented QVERIFY(QAtomicPointer::isFetchAndStoreNative() || !QAtomicPointer::isFetchAndStoreNative()); # if (defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE) \ || defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE)) # error "Define only one of Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE" # endif #elif defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_NOT_NATIVE) // the runtime test should say the same thing QVERIFY(!QAtomicPointer::isFetchAndStoreNative()); # if (defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_ALWAYS_NATIVE) \ || defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_SOMETIMES_NATIVE)) # error "Define only one of Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE" # endif #else # error "Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE is not defined" #endif } void tst_QAtomicPointer::isFetchAndStoreWaitFree() { #if defined(Q_ATOMIC_POINTER_FETCH_AND_STORE_IS_WAIT_FREE) // the runtime test should say the same thing QVERIFY(QAtomicPointer::isFetchAndStoreWaitFree()); // enforce some invariants QVERIFY(QAtomicPointer::isFetchAndStoreNative()); # if defined(Q_ATOMIC_POINTER_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(!QAtomicPointer::isFetchAndStoreWaitFree()); #endif } void tst_QAtomicPointer::fetchAndStore() { void *one = this; void *two = &one; void *three = &two; { QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(atomic2 == two); QVERIFY(atomic3 == three); QCOMPARE(atomic1.fetchAndStoreRelaxed(two), one); QCOMPARE(atomic2.fetchAndStoreRelaxed(three), two); QCOMPARE(atomic3.fetchAndStoreRelaxed(one), three); QVERIFY(atomic1 == two); QVERIFY(atomic2 == three); QVERIFY(atomic3 == one); } { QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(atomic2 == two); QVERIFY(atomic3 == three); QCOMPARE(atomic1.fetchAndStoreAcquire(two), one); QCOMPARE(atomic2.fetchAndStoreAcquire(three), two); QCOMPARE(atomic3.fetchAndStoreAcquire(one), three); QVERIFY(atomic1 == two); QVERIFY(atomic2 == three); QVERIFY(atomic3 == one); } { QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(atomic2 == two); QVERIFY(atomic3 == three); QCOMPARE(atomic1.fetchAndStoreRelease(two), one); QCOMPARE(atomic2.fetchAndStoreRelease(three), two); QCOMPARE(atomic3.fetchAndStoreRelease(one), three); QVERIFY(atomic1 == two); QVERIFY(atomic2 == three); QVERIFY(atomic3 == one); } { QAtomicPointer atomic1 = one; QAtomicPointer atomic2 = two; QAtomicPointer atomic3 = three; QVERIFY(atomic1 == one); QVERIFY(atomic2 == two); QVERIFY(atomic3 == three); QCOMPARE(atomic1.fetchAndStoreOrdered(two), one); QCOMPARE(atomic2.fetchAndStoreOrdered(three), two); QCOMPARE(atomic3.fetchAndStoreOrdered(one), three); QVERIFY(atomic1 == two); QVERIFY(atomic2 == three); QVERIFY(atomic3 == one); } } void tst_QAtomicPointer::isFetchAndAddNative() { #if defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE) // the runtime test should say the same thing QVERIFY(QAtomicPointer::isFetchAndAddNative()); # if (defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_SOMETIMES_NATIVE) \ || defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE)) # error "Define only one of Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE" # endif #elif defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_SOMETIMES_NATIVE) // could be either, just want to make sure the function is implemented QVERIFY(QAtomicPointer::isFetchAndAddNative() || !QAtomicPointer::isFetchAndAddNative()); # if (defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE) \ || defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE)) # error "Define only one of Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE" # endif #elif defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_NOT_NATIVE) // the runtime test should say the same thing QVERIFY(!QAtomicPointer::isFetchAndAddNative()); # if (defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_ALWAYS_NATIVE) \ || defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_SOMETIMES_NATIVE)) # error "Define only one of Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE" # endif #else # error "Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_{ALWAYS,SOMTIMES,NOT}_NATIVE is not defined" #endif } void tst_QAtomicPointer::isFetchAndAddWaitFree() { #if defined(Q_ATOMIC_POINTER_FETCH_AND_ADD_IS_WAIT_FREE) // the runtime test should say the same thing QVERIFY(QAtomicPointer::isFetchAndAddWaitFree()); // enforce some invariants QVERIFY(QAtomicPointer::isFetchAndAddNative()); # if defined(Q_ATOMIC_POINTER_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(!QAtomicPointer::isFetchAndAddWaitFree()); #endif } void tst_QAtomicPointer::fetchAndAdd_data() { QTest::addColumn("valueToAdd"); QTest::newRow("0") << 0; QTest::newRow("1") << 1; QTest::newRow("2") << 2; QTest::newRow("10") << 10; QTest::newRow("31") << 31; QTest::newRow("51") << 51; QTest::newRow("72") << 72; QTest::newRow("810") << 810; QTest::newRow("631") << 631; QTest::newRow("451") << 451; QTest::newRow("272") << 272; QTest::newRow("1810") << 1810; QTest::newRow("3631") << 3631; QTest::newRow("5451") << 5451; QTest::newRow("7272") << 7272; QTest::newRow("-1") << -1; QTest::newRow("-2") << -2; QTest::newRow("-10") << -10; QTest::newRow("-31") << -31; QTest::newRow("-51") << -51; QTest::newRow("-72") << -72; QTest::newRow("-810") << -810; QTest::newRow("-631") << -631; QTest::newRow("-451") << -451; QTest::newRow("-272") << -272; QTest::newRow("-1810") << -1810; QTest::newRow("-3631") << -3631; QTest::newRow("-5451") << -5451; QTest::newRow("-7272") << -7272; } void tst_QAtomicPointer::fetchAndAdd() { QFETCH(int, valueToAdd); char c; char *pc = &c; short s; short *ps = &s; int i; int *pi = &i; { QAtomicPointer pointer1 = pc; QCOMPARE(quintptr(pointer1.fetchAndAddRelaxed(valueToAdd)), quintptr(pc)); QCOMPARE(quintptr(pointer1.fetchAndAddRelaxed(-valueToAdd)), quintptr(pc + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer1)), quintptr(pc)); QAtomicPointer pointer2 = ps; QCOMPARE(quintptr(pointer2.fetchAndAddRelaxed(valueToAdd)), quintptr(ps)); QCOMPARE(quintptr(pointer2.fetchAndAddRelaxed(-valueToAdd)), quintptr(ps + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer2)), quintptr(ps)); QAtomicPointer pointer3 = pi; QCOMPARE(quintptr(pointer3.fetchAndAddRelaxed(valueToAdd)), quintptr(pi)); QCOMPARE(quintptr(pointer3.fetchAndAddRelaxed(-valueToAdd)), quintptr(pi + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer3)), quintptr(pi)); } { QAtomicPointer pointer1 = pc; QCOMPARE(quintptr(pointer1.fetchAndAddAcquire(valueToAdd)), quintptr(pc)); QCOMPARE(quintptr(pointer1.fetchAndAddAcquire(-valueToAdd)), quintptr(pc + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer1)), quintptr(pc)); QAtomicPointer pointer2 = ps; QCOMPARE(quintptr(pointer2.fetchAndAddAcquire(valueToAdd)), quintptr(ps)); QCOMPARE(quintptr(pointer2.fetchAndAddAcquire(-valueToAdd)), quintptr(ps + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer2)), quintptr(ps)); QAtomicPointer pointer3 = pi; QCOMPARE(quintptr(pointer3.fetchAndAddAcquire(valueToAdd)), quintptr(pi)); QCOMPARE(quintptr(pointer3.fetchAndAddAcquire(-valueToAdd)), quintptr(pi + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer3)), quintptr(pi)); } { QAtomicPointer pointer1 = pc; QCOMPARE(quintptr(pointer1.fetchAndAddRelease(valueToAdd)), quintptr(pc)); QCOMPARE(quintptr(pointer1.fetchAndAddRelease(-valueToAdd)), quintptr(pc + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer1)), quintptr(pc)); QAtomicPointer pointer2 = ps; QCOMPARE(quintptr(pointer2.fetchAndAddRelease(valueToAdd)), quintptr(ps)); QCOMPARE(quintptr(pointer2.fetchAndAddRelease(-valueToAdd)), quintptr(ps + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer2)), quintptr(ps)); QAtomicPointer pointer3 = pi; QCOMPARE(quintptr(pointer3.fetchAndAddRelease(valueToAdd)), quintptr(pi)); QCOMPARE(quintptr(pointer3.fetchAndAddRelease(-valueToAdd)), quintptr(pi + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer3)), quintptr(pi)); } { QAtomicPointer pointer1 = pc; QCOMPARE(quintptr(pointer1.fetchAndAddOrdered(valueToAdd)), quintptr(pc)); QCOMPARE(quintptr(pointer1.fetchAndAddOrdered(-valueToAdd)), quintptr(pc + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer1)), quintptr(pc)); QAtomicPointer pointer2 = ps; QCOMPARE(quintptr(pointer2.fetchAndAddOrdered(valueToAdd)), quintptr(ps)); QCOMPARE(quintptr(pointer2.fetchAndAddOrdered(-valueToAdd)), quintptr(ps + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer2)), quintptr(ps)); QAtomicPointer pointer3 = pi; QCOMPARE(quintptr(pointer3.fetchAndAddOrdered(valueToAdd)), quintptr(pi)); QCOMPARE(quintptr(pointer3.fetchAndAddOrdered(-valueToAdd)), quintptr(pi + valueToAdd)); QCOMPARE(quintptr(static_cast(pointer3)), quintptr(pi)); } } QTEST_APPLESS_MAIN(tst_QAtomicPointer) #include "tst_qatomicpointer.moc"