void DualQuaternionTransformationTest::setTransformation() {
    Object3D o;

    /* Can't transform with non-rigid transformation */
    std::ostringstream out;
    Error redirectError{&out};
    o.setTransformation(DualQuaternion({{1.0f, 2.0f, 3.0f}, 4.0f}, {}));
    CORRADE_COMPARE(out.str(), "SceneGraph::DualQuaternionTransformation::setTransformation(): the dual quaternion is not normalized\n");

    /* Dirty after setting transformation */
    o.setClean();
    CORRADE_VERIFY(!o.isDirty());
    o.setTransformation(DualQuaternion::rotation(Deg(17.0f), Vector3::xAxis()));
    CORRADE_VERIFY(o.isDirty());
    CORRADE_COMPARE(o.transformationMatrix(), Matrix4::rotationX(Deg(17.0f)));

    /* Scene cannot be transformed */
    Scene3D s;
    s.setClean();
    CORRADE_VERIFY(!s.isDirty());
    s.setTransformation(DualQuaternion::rotation(Deg(17.0f), Vector3::xAxis()));
    CORRADE_VERIFY(!s.isDirty());
    CORRADE_COMPARE(s.transformationMatrix(), Matrix4());
}
void RigidMatrixTransformation3DTest::setTransformation() {
    Object3D o;

    /* Can't transform with non-rigid transformation */
    std::ostringstream out;
    Error::setOutput(&out);
    o.setTransformation(Matrix4::scaling(Vector3(3.0f)));
    CORRADE_COMPARE(out.str(), "SceneGraph::RigidMatrixTransformation3D::setTransformation(): the matrix doesn't represent rigid transformation\n");

    /* Dirty after setting transformation */
    o.setClean();
    CORRADE_VERIFY(!o.isDirty());
    o.setTransformation(Matrix4::rotationX(Deg(17.0f)));
    CORRADE_VERIFY(o.isDirty());
    CORRADE_COMPARE(o.transformationMatrix(), Matrix4::rotationX(Deg(17.0f)));

    /* Scene cannot be transformed */
    Scene3D s;
    s.setClean();
    CORRADE_VERIFY(!s.isDirty());
    s.setTransformation(Matrix4::rotationX(Deg(17.0f)));
    CORRADE_VERIFY(!s.isDirty());
    CORRADE_COMPARE(s.transformationMatrix(), Matrix4());
}