API unit tests from Maemo API test team.

A large number of tweaks and changes to original tests, and refactor
a lot of the mock backends to reduce duplication.

Changed viewfinder test case to use mock service and provider so
that it matches the image capture test case.

Reviewed-by: Jonas Rabbe
(cherry picked from commit e40bef5508a4165cec4a46b97115aed461027fa5)

Also licence header fix:
(cherry picked from commit e9ee9e8c48b45b97d62ee4a82e400fa9d8ea8107)

Change-Id: Ic59891d75563bb2e008a336eea859e8c44d8d831
Reviewed-on: http://codereview.qt.nokia.com/2078
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

tests/auto/qabstractvideobuffer/tst_qabstractvideobuffer.cpp

@@ -62,6 +62,7 @@ private slots:
     void handleType_data();
     void handleType();
     void handle();
+    void mapMode();
 };
 
 class QtTestVideoBuffer : public QAbstractVideoBuffer
@@ -69,7 +70,7 @@ class QtTestVideoBuffer : public QAbstractVideoBuffer
 public:
     QtTestVideoBuffer(QAbstractVideoBuffer::HandleType type) : QAbstractVideoBuffer(type) {}
 
-    MapMode mapMode() const { return NotMapped; }
+    MapMode mapMode() const { return QAbstractVideoBuffer::ReadWrite; }
 
     uchar *map(MapMode, int *, int *) { return 0; }
     void unmap() {}
@@ -107,6 +108,12 @@ void tst_QAbstractVideoBuffer::handleType_data()
             << QAbstractVideoBuffer::NoHandle;
     QTest::newRow("opengl")
             << QAbstractVideoBuffer::GLTextureHandle;
+    QTest::newRow("XvShmImageHandle")
+            << QAbstractVideoBuffer::XvShmImageHandle;
+    QTest::newRow("CoreImageHandle")
+            << QAbstractVideoBuffer::CoreImageHandle;
+    QTest::newRow("QPixmapHandle")
+            << QAbstractVideoBuffer::QPixmapHandle;
     QTest::newRow("user1")
             << QAbstractVideoBuffer::UserHandle;
     QTest::newRow("user2")
@@ -129,6 +136,12 @@ void tst_QAbstractVideoBuffer::handle()
     QVERIFY(buffer.handle().isNull());
 }
 
+void tst_QAbstractVideoBuffer::mapMode()
+{
+    QtTestVideoBuffer maptest(QAbstractVideoBuffer::NoHandle);
+    QVERIFY2(maptest.mapMode() == QAbstractVideoBuffer::ReadWrite, "ReadWrite Failed");
+}
+
 QTEST_MAIN(tst_QAbstractVideoBuffer)
 
 #include "tst_qabstractvideobuffer.moc"