diff -r 000000000000 -r 1918ee327afb tests/auto/qvector/tst_qvector.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/auto/qvector/tst_qvector.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,224 @@ +/**************************************************************************** +** +** Copyright (C) 2009 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include +#include + +//TESTED_CLASS= +//TESTED_FILES=corelib/tools/qregexp.h corelib/tools/qregexp.cpp + +class tst_QVector : public QObject +{ + Q_OBJECT + +public: + tst_QVector() {} + virtual ~tst_QVector() {} + +private slots: + void outOfMemory(); +}; + +int fooCtor; +int fooDtor; + +struct Foo +{ + int *p; + + Foo() { p = new int; ++fooCtor; } + Foo(const Foo &other) { Q_UNUSED(other); p = new int; ++fooCtor; } + + void operator=(const Foo & /* other */) { } + + ~Foo() { delete p; ++fooDtor; } +}; + +void tst_QVector::outOfMemory() +{ + fooCtor = 0; + fooDtor = 0; + + const int N = 0x7fffffff / sizeof(Foo); + + { + QVector a; + + QSKIP("This test crashes on many of our machines.", SkipSingle); + a.resize(N); + if (a.size() == N) { + QVERIFY(a.capacity() >= N); + QCOMPARE(fooCtor, N); + QCOMPARE(fooDtor, 0); + + for (int i = 0; i < N; i += 35000) + a[i] = Foo(); + } else { + // this is the case we're actually testing + QCOMPARE(a.size(), 0); + QCOMPARE(a.capacity(), 0); + QCOMPARE(fooCtor, 0); + QCOMPARE(fooDtor, 0); + + a.resize(5); + QCOMPARE(a.size(), 5); + QVERIFY(a.capacity() >= 5); + QCOMPARE(fooCtor, 5); + QCOMPARE(fooDtor, 0); + + const int Prealloc = a.capacity(); + a.resize(Prealloc + 1); + QCOMPARE(a.size(), Prealloc + 1); + QVERIFY(a.capacity() >= Prealloc + 1); + QCOMPARE(fooCtor, Prealloc + 6); + QCOMPARE(fooDtor, 5); + + a.resize(0x10000000); + QCOMPARE(a.size(), 0); + QCOMPARE(a.capacity(), 0); + QCOMPARE(fooCtor, Prealloc + 6); + QCOMPARE(fooDtor, Prealloc + 6); + } + } + + fooCtor = 0; + fooDtor = 0; + + { + QVector a(N); + if (a.size() == N) { + QVERIFY(a.capacity() >= N); + QCOMPARE(fooCtor, N); + QCOMPARE(fooDtor, 0); + + for (int i = 0; i < N; i += 35000) + a[i] = Foo(); + } else { + // this is the case we're actually testing + QCOMPARE(a.size(), 0); + QCOMPARE(a.capacity(), 0); + QCOMPARE(fooCtor, 0); + QCOMPARE(fooDtor, 0); + } + } + + Foo foo; + + fooCtor = 0; + fooDtor = 0; + + { + QVector a(N, foo); + if (a.size() == N) { + QVERIFY(a.capacity() >= N); + QCOMPARE(fooCtor, N); + QCOMPARE(fooDtor, 0); + + for (int i = 0; i < N; i += 35000) + a[i] = Foo(); + } else { + // this is the case we're actually testing + QCOMPARE(a.size(), 0); + QCOMPARE(a.capacity(), 0); + QCOMPARE(fooCtor, 0); + QCOMPARE(fooDtor, 0); + } + } + + fooCtor = 0; + fooDtor = 0; + + { + QVector a; + a.resize(10); + QCOMPARE(fooCtor, 10); + QCOMPARE(fooDtor, 0); + + QVector b(a); + QCOMPARE(fooCtor, 10); + QCOMPARE(fooDtor, 0); + + a.resize(N); + if (a.size() == N) { + QCOMPARE(fooCtor, N + 10); + } else { + QCOMPARE(a.size(), 0); + QCOMPARE(a.capacity(), 0); + QCOMPARE(fooCtor, 10); + QCOMPARE(fooDtor, 0); + + QCOMPARE(b.size(), 10); + QVERIFY(b.capacity() >= 10); + } + } + + { + QVector a; + a.resize(10); + + QVector b(a); + + a.resize(N); + if (a.size() == N) { + for (int i = 0; i < N; i += 60000) + a[i] = i; + } else { + QCOMPARE(a.size(), 0); + QCOMPARE(a.capacity(), 0); + + QCOMPARE(b.size(), 10); + QVERIFY(b.capacity() >= 10); + } + + b.resize(N - 1); + if (b.size() == N - 1) { + for (int i = 0; i < N - 1; i += 60000) + b[i] = i; + } else { + QCOMPARE(b.size(), 0); + QCOMPARE(b.capacity(), 0); + } + } +} + +QTEST_APPLESS_MAIN(tst_QVector) +#include "tst_qvector.moc"