Add QHandleManager template and test

With: Paul Lemire

Change-Id: Id269fd051a6a6b4f23a733c8123f11bb63e80aa7
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 197 insertions, 0 deletions

diff --git a/tests/auto/core/handlemanager/tst_handlemanager.cpp b/tests/auto/core/handlemanager/tst_handlemanager.cpp
new file mode 100644
index 000000000..8d603b6ab
--- /dev/null
+++ b/tests/auto/core/handlemanager/tst_handlemanager.cpp
@@ -0,0 +1,197 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+#include <Qt3DCore/qhandlemanager.h>
+#include <Qt3DCore/qhandle.h>
+
+class tst_HandleManager : public QObject
+{
+    Q_OBJECT
+public:
+    tst_HandleManager() {}
+    ~tst_HandleManager() {}
+
+private slots:
+    void construction();
+    void correctPointer();
+    void correctPointers();
+    void correctConstPointer();
+    void nullForRemovedEntry();
+    void validHandleForReplacementEntry();
+    void updateChangesValue();
+    void resetRemovesAllEntries();
+};
+
+class SimpleResource
+{
+public:
+    SimpleResource()
+        : m_value(0)
+    {}
+
+    int m_value;
+};
+
+typedef Qt3D::QHandle<SimpleResource> Handle;
+
+void tst_HandleManager::construction()
+{
+    Qt3D::QHandleManager<SimpleResource> manager;
+    QVERIFY(manager.activeEntries() == 0);
+}
+
+void tst_HandleManager::correctPointer()
+{
+    Qt3D::QHandleManager<SimpleResource> manager;
+    SimpleResource *p1 = (SimpleResource *)0xdeadbeef;
+    const Handle h = manager.acquire(p1);
+
+    bool ok = false;
+    SimpleResource *p2 = manager.data(h, &ok);
+    QVERIFY(ok == true);
+    QVERIFY(p1 == p2);
+}
+
+void tst_HandleManager::correctPointers()
+{
+    Qt3D::QHandleManager<SimpleResource> manager;
+    SimpleResource *p[3];
+    p[0] = (SimpleResource *)0xdeadbeef;
+    p[1] = (SimpleResource *)0x11111111;
+    p[2] = (SimpleResource *)0x22222222;
+
+    for (int i = 0; i < 3; ++i) {
+        const Handle h = manager.acquire(p[i]);
+
+        bool ok = false;
+        SimpleResource *q = manager.data(h, &ok);
+        QVERIFY(ok == true);
+        QVERIFY(p[i] == q);
+    }
+
+    QVERIFY(manager.activeEntries() == 3);
+}
+
+void tst_HandleManager::correctConstPointer()
+{
+    Qt3D::QHandleManager<SimpleResource> manager;
+    QSharedPointer<SimpleResource> p1(new SimpleResource);
+    const Handle h = manager.acquire(p1.data());
+
+    bool ok = false;
+    const SimpleResource *p2 = manager.constData(h, &ok);
+    QVERIFY(ok == true);
+    QVERIFY(p1.data() == p2);
+}
+
+void tst_HandleManager::nullForRemovedEntry()
+{
+    Qt3D::QHandleManager<SimpleResource> manager;
+    QSharedPointer<SimpleResource> p1(new SimpleResource);
+    const Handle h = manager.acquire(p1.data());
+    manager.release(h);
+
+    bool ok = false;
+    SimpleResource *p2 = manager.data(h, &ok);
+    QVERIFY(ok == false);
+    QVERIFY(p2 == Q_NULLPTR);
+}
+
+void tst_HandleManager::validHandleForReplacementEntry()
+{
+    Qt3D::QHandleManager<SimpleResource> manager;
+    QSharedPointer<SimpleResource> p1(new SimpleResource);
+    const Handle h = manager.acquire(p1.data());
+    QVERIFY(manager.activeEntries() == 1);
+    manager.release(h);
+    QVERIFY(manager.activeEntries() == 0);
+
+    QSharedPointer<SimpleResource> p2(new SimpleResource);
+    const Handle h2 = manager.acquire(p2.data());
+    QVERIFY(h2.isNull() == false);
+    QVERIFY(h2.counter() == 2);
+    QVERIFY(manager.activeEntries() == 1);
+
+    bool ok = false;
+    SimpleResource *p3 = manager.data(h2, &ok);
+    QVERIFY(ok == true);
+    QVERIFY(p3 == p2);
+}
+
+void tst_HandleManager::updateChangesValue()
+{
+    Qt3D::QHandleManager<SimpleResource> manager;
+    QSharedPointer<SimpleResource> p1(new SimpleResource);
+    const Handle h = manager.acquire(p1.data());
+
+    QSharedPointer<SimpleResource> p2(new SimpleResource);
+    manager.update(h, p2.data());
+    QVERIFY(manager.activeEntries() == 1);
+
+    bool ok = false;
+    SimpleResource *p3 = manager.data(h, &ok);
+    QVERIFY(ok == true);
+    QVERIFY(p3 == p2);
+}
+
+void tst_HandleManager::resetRemovesAllEntries()
+{
+    Qt3D::QHandleManager<SimpleResource> manager;
+    for (int i = 0; i < 100; ++i) {
+        SimpleResource *p = (SimpleResource *) 0xdead0000 + i;
+        const Handle h = manager.acquire(p);
+
+        bool ok = false;
+        SimpleResource *q = manager.data(h, &ok);
+        QVERIFY(ok == true);
+        QVERIFY(p == q);
+    }
+
+    QVERIFY(manager.activeEntries() == 100);
+
+    manager.reset();
+    QVERIFY(manager.activeEntries() == 0);
+}
+
+QTEST_APPLESS_MAIN(tst_HandleManager)
+
+#include "tst_handlemanager.moc"