Long live Qt 4.5!

1 files changed, 252 insertions, 0 deletions

diff --git a/tests/auto/qvarlengtharray/tst_qvarlengtharray.cpp b/tests/auto/qvarlengtharray/tst_qvarlengtharray.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+#include <qvarlengtharray.h>
+
+const int N = 1;
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QVarLengthArray : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QVarLengthArray() {}
+    virtual ~tst_QVarLengthArray() {}
+
+private slots:
+    void append();
+    void removeLast();
+    void oldTests();
+    void task214223();
+};
+
+int fooCtor = 0;
+int fooDtor = 0;
+
+struct Foo
+{
+    int *p;
+
+    Foo() { p = new int; ++fooCtor; }
+    Foo(const Foo &other) { p = new int; ++fooCtor; }
+
+    void operator=(const Foo & /* other */) { }
+
+    ~Foo() { delete p; ++fooDtor; }
+};
+
+void tst_QVarLengthArray::append()
+{
+    QVarLengthArray<QString> v;
+    v.append(QString("hello"));
+
+    QVarLengthArray<int> v2; // rocket!
+    v2.append(5);
+}
+
+void tst_QVarLengthArray::removeLast()
+{
+    {
+        QVarLengthArray<char, 2> v;
+        v.append(0);
+        v.append(1);
+        QCOMPARE(v.size(), 2);
+        v.append(2);
+        v.append(3);
+        QCOMPARE(v.size(), 4);
+        v.removeLast();
+        QCOMPARE(v.size(), 3);
+        v.removeLast();
+        QCOMPARE(v.size(), 2);
+    }
+
+    {
+        QVarLengthArray<QString, 2> v;
+        v.append("0");
+        v.append("1");
+        QCOMPARE(v.size(), 2);
+        v.append("2");
+        v.append("3");
+        QCOMPARE(v.size(), 4);
+        v.removeLast();
+        QCOMPARE(v.size(), 3);
+        v.removeLast();
+        QCOMPARE(v.size(), 2);
+    }
+}
+
+void tst_QVarLengthArray::oldTests()
+{
+    {
+	QVarLengthArray<int, 256> sa(128);
+	QVERIFY(sa.data() == &sa[0]);
+	sa[0] = 0xfee;
+	sa[10] = 0xff;
+	QVERIFY(sa[0] == 0xfee);
+	QVERIFY(sa[10] == 0xff);
+	sa.resize(512);
+	QVERIFY(sa.data() == &sa[0]);
+	QVERIFY(sa[0] == 0xfee);
+	QVERIFY(sa[10] == 0xff);
+	QVERIFY(sa.size() == 512);
+	sa.reserve(1024);
+	QVERIFY(sa.capacity() == 1024);
+	QVERIFY(sa.size() == 512);
+    }
+    {
+	QVarLengthArray<QString> sa(10);
+	sa[0] = "Hello";
+	sa[9] = "World";
+	QVERIFY(*sa.data() == "Hello");
+	QVERIFY(sa[9] == "World");
+	sa.reserve(512);
+	QVERIFY(*sa.data() == "Hello");
+	QVERIFY(sa[9] == "World");
+	sa.resize(512);
+	QVERIFY(*sa.data() == "Hello");
+	QVERIFY(sa[9] == "World");
+    }
+    {
+        int arr[2] = {1, 2};
+        QVarLengthArray<int> sa(10);
+        QCOMPARE(sa.size(), 10);
+        sa.append(arr, 2);
+        QCOMPARE(sa.size(), 12);
+        QCOMPARE(sa[10], 1);
+        QCOMPARE(sa[11], 2);
+    }
+    {
+        QString arr[2] = { QString("hello"), QString("world") };
+        QVarLengthArray<QString> sa(10);
+        QCOMPARE(sa.size(), 10);
+        sa.append(arr, 2);
+        QCOMPARE(sa.size(), 12);
+        QCOMPARE(sa[10], QString("hello"));
+        QCOMPARE(sa[11], QString("world"));
+
+        sa.append(arr, 1);
+        QCOMPARE(sa.size(), 13);
+        QCOMPARE(sa[12], QString("hello"));
+
+        sa.append(arr, 0);
+        QCOMPARE(sa.size(), 13);
+    }
+    {
+        // assignment operator and copy constructor
+
+        QVarLengthArray<int> sa(10);
+        sa[5] = 5;
+
+        QVarLengthArray<int> sa2(10);
+        sa2[5] = 6;
+        sa2 = sa;
+        QCOMPARE(sa2[5], 5);
+
+        QVarLengthArray<int> sa3(sa);
+        QCOMPARE(sa3[5], 5);
+    }
+
+    QSKIP("This test causes the machine to crash when allocating too much memory.", SkipSingle);
+    {
+        QVarLengthArray<Foo> a;
+        const int N = 0x7fffffff / sizeof(Foo);
+        const int Prealloc = a.capacity();
+        const Foo *data0 = a.constData();
+
+        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(), Prealloc);
+            QCOMPARE(a.constData(), data0);
+            QCOMPARE(fooCtor, 0);
+            QCOMPARE(fooDtor, 0);
+
+            a.resize(5);
+            QCOMPARE(a.size(), 5);
+            QCOMPARE(a.capacity(), Prealloc);
+            QCOMPARE(a.constData(), data0);
+            QCOMPARE(fooCtor, 5);
+            QCOMPARE(fooDtor, 0);
+
+            a.resize(Prealloc + 1);
+            QCOMPARE(a.size(), Prealloc + 1);
+            QVERIFY(a.capacity() >= Prealloc + 1);
+            QVERIFY(a.constData() != data0);
+            QCOMPARE(fooCtor, Prealloc + 6);
+            QCOMPARE(fooDtor, 5);
+
+            const Foo *data1 = a.constData();
+
+            a.resize(0x10000000);
+            QCOMPARE(a.size(), 0);
+            QVERIFY(a.capacity() >= Prealloc + 1);
+            QVERIFY(a.constData() == data1);
+            QCOMPARE(fooCtor, Prealloc + 6);
+            QCOMPARE(fooDtor, Prealloc + 6);
+        }
+    }
+}
+
+void tst_QVarLengthArray::task214223()
+{
+    //creating a QVarLengthArray of the same size as the prealloc size
+    // will make the next call to append(const T&) corrupt the memory
+    // you should get a segfault pretty soon after that :-)
+    QVarLengthArray<float, 1> d(1);
+    for (int i=0; i<30; i++) 
+        d.append(i);
+}
+
+QTEST_APPLESS_MAIN(tst_QVarLengthArray)
+#include "tst_qvarlengtharray.moc"