--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qscopedpointer/tst_qscopedpointer.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,343 @@
+/****************************************************************************
+**
+** 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 <QtTest/QtTest>
+#include <QtCore/QScopedPointer>
+
+/*!
+ \class tst_QScopedPointer
+ \internal
+ \since 4.6
+ \brief Tests class QScopedPointer.
+
+ */
+class tst_QScopedPointer : public QObject
+{
+ Q_OBJECT
+
+private Q_SLOTS:
+ void defaultConstructor();
+ void dataOnDefaultConstructed();
+ void useSubClassInConstructor();
+ void dataOnValue();
+ void dataSignature();
+ void reset();
+ void dereferenceOperator();
+ void dereferenceOperatorSignature();
+ void pointerOperator();
+ void pointerOperatorSignature();
+ void negationOperator();
+ void negationOperatorSignature();
+ void operatorBool();
+ void operatorBoolSignature();
+ void isNull();
+ void isNullSignature();
+ void objectSize();
+ void comparison();
+ // TODO instanciate on const object
+};
+
+void tst_QScopedPointer::defaultConstructor()
+{
+ /* Check that the members, one, is correctly initialized. */
+ QScopedPointer<int> p;
+ QCOMPARE(p.data(), static_cast<int *>(0));
+}
+
+void tst_QScopedPointer::dataOnDefaultConstructed()
+{
+ QScopedPointer<int> p;
+
+ QCOMPARE(p.data(), static_cast<int *>(0));
+}
+
+class MyClass
+{
+};
+
+class MySubClass : public MyClass
+{
+};
+
+void tst_QScopedPointer::useSubClassInConstructor()
+{
+ /* Use a syntax which users typically would do. */
+ QScopedPointer<MyClass> p(new MyClass());
+}
+
+void tst_QScopedPointer::dataOnValue()
+{
+ int *const rawPointer = new int(5);
+ QScopedPointer<int> p(rawPointer);
+
+ QCOMPARE(p.data(), rawPointer);
+}
+
+void tst_QScopedPointer::dataSignature()
+{
+ const QScopedPointer<int> p;
+ /* data() should be const. */
+ p.data();
+}
+
+void tst_QScopedPointer::reset()
+{
+ /* Call reset() on a default constructed value. */
+ {
+ QScopedPointer<int> p;
+ p.reset();
+ QCOMPARE(p.data(), static_cast<int *>(0));
+ }
+
+ /* Call reset() on an active value. */
+ {
+ QScopedPointer<int> p(new int(3));
+ p.reset();
+ QCOMPARE(p.data(), static_cast<int *>(0));
+ }
+
+ /* Call reset() with a value, on an active value. */
+ {
+ QScopedPointer<int> p(new int(3));
+
+ int *const value = new int(9);
+ p.reset(value);
+ QCOMPARE(*p.data(), 9);
+ }
+
+ /* Call reset() with a value, on default constructed value. */
+ {
+ QScopedPointer<int> p;
+
+ int *const value = new int(9);
+ p.reset(value);
+ QCOMPARE(*p.data(), 9);
+ }
+}
+
+class AbstractClass
+{
+public:
+ virtual ~AbstractClass()
+ {
+ }
+
+ virtual int member() const = 0;
+};
+
+class SubClass : public AbstractClass
+{
+public:
+ virtual int member() const
+ {
+ return 5;
+ }
+};
+
+void tst_QScopedPointer::dereferenceOperator()
+{
+ /* Dereference a basic value. */
+ {
+ QScopedPointer<int> p(new int(5));
+
+ const int value2 = *p;
+ QCOMPARE(value2, 5);
+ }
+
+ /* Dereference a pointer to an abstract class. This verifies
+ * that the operator returns a reference, when compiling
+ * with MSVC 2005. */
+ {
+ QScopedPointer<AbstractClass> p(new SubClass());
+
+ QCOMPARE((*p).member(), 5);
+ }
+}
+
+void tst_QScopedPointer::dereferenceOperatorSignature()
+{
+ /* The operator should be const. */
+ {
+ const QScopedPointer<int> p(new int(5));
+ *p;
+ }
+
+ /* A reference should be returned, not a value. */
+ {
+ const QScopedPointer<int> p(new int(5));
+ Q_UNUSED(static_cast<int &>(*p));
+ }
+
+ /* Instantiated on a const object, the returned object is a const reference. */
+ {
+ const QScopedPointer<const int> p(new int(5));
+ Q_UNUSED(static_cast<const int &>(*p));
+ }
+}
+
+class AnyForm
+{
+public:
+ int value;
+};
+
+void tst_QScopedPointer::pointerOperator()
+{
+ QScopedPointer<AnyForm> p(new AnyForm());
+ p->value = 5;
+
+ QCOMPARE(p->value, 5);
+}
+
+void tst_QScopedPointer::pointerOperatorSignature()
+{
+ /* The operator should be const. */
+ const QScopedPointer<AnyForm> p(new AnyForm);
+ p->value = 5;
+
+ QVERIFY(p->value);
+}
+
+void tst_QScopedPointer::negationOperator()
+{
+ /* Invoke on default constructed value. */
+ {
+ QScopedPointer<int> p;
+ QVERIFY(!p);
+ }
+
+ /* Invoke on a value. */
+ {
+ QScopedPointer<int> p(new int(2));
+ QCOMPARE(!p, false);
+ }
+}
+
+void tst_QScopedPointer::negationOperatorSignature()
+{
+ /* The signature should be const. */
+ const QScopedPointer<int> p;
+ !p;
+
+ /* The return value should be bool. */
+ static_cast<bool>(!p);
+}
+
+void tst_QScopedPointer::operatorBool()
+{
+ /* Invoke on default constructed value. */
+ {
+ QScopedPointer<int> p;
+ QCOMPARE(bool(p), false);
+ }
+
+ /* Invoke on active value. */
+ {
+ QScopedPointer<int> p(new int(3));
+ QVERIFY(p);
+ }
+}
+
+void tst_QScopedPointer::operatorBoolSignature()
+{
+ /* The signature should be const and return bool. */
+ const QScopedPointer<int> p;
+
+ (void)static_cast<bool>(p);
+}
+
+void tst_QScopedPointer::isNull()
+{
+ /* Invoke on default constructed value. */
+ {
+ QScopedPointer<int> p;
+ QVERIFY(p.isNull());
+ }
+
+ /* Invoke on a set value. */
+ {
+ QScopedPointer<int> p(new int(69));
+ QVERIFY(!p.isNull());
+ }
+}
+
+void tst_QScopedPointer::isNullSignature()
+{
+ const QScopedPointer<int> p(new int(69));
+
+ /* The signature should be const and return bool. */
+ static_cast<bool>(p.isNull());
+}
+
+void tst_QScopedPointer::objectSize()
+{
+ /* The size of QScopedPointer should be the same as one pointer. */
+ QCOMPARE(sizeof(QScopedPointer<int>), sizeof(void *));
+}
+
+void tst_QScopedPointer::comparison()
+{
+ int *a = new int(42);
+ int *b = new int(43);
+
+ QScopedPointer<int> pa(a);
+ QScopedPointer<int> pa2(a);
+ QScopedPointer<int> pb(b);
+
+ // test equality on equal pointers
+ QVERIFY(pa == pa2);
+ QVERIFY(pa2 == pa);
+
+ // test unequality on equal pointers
+ QVERIFY(!(pa != pa2));
+ QVERIFY(!(pa2 != pa));
+
+ // test on unequal pointers
+ QVERIFY(!(pa == pb));
+ QVERIFY(!(pb == pa));
+ QVERIFY(pb != pa);
+ QVERIFY(pa != pb);
+
+ pa2.take();
+}
+
+QTEST_MAIN(tst_QScopedPointer)
+#include "tst_qscopedpointer.moc"