void TranslationTransformationTest::setTransformation() {
    Object2D o;

    /* Dirty after setting transformation */
    o.setClean();
    CORRADE_VERIFY(!o.isDirty());
    o.setTransformation({1.0f, -0.3f});
    CORRADE_VERIFY(o.isDirty());
    CORRADE_COMPARE(o.transformationMatrix(), Matrix3::translation({1.0f, -0.3f}));

    /* Scene cannot be transformed */
    Scene2D s;
    s.setClean();
    s.setTransformation({1.0f, -0.3f});
    CORRADE_VERIFY(!s.isDirty());
    CORRADE_COMPARE(s.transformationMatrix(), Matrix3());
}
void DualComplexTransformationTest::setTransformation() {
    Object2D o;

    /* Can't transform with non-rigid transformation */
    std::ostringstream out;
    Error::setOutput(&out);
    o.setTransformation(DualComplex({1.0f, 2.0f}, {}));
    CORRADE_COMPARE(out.str(), "SceneGraph::DualComplexTransformation::setTransformation(): the dual complex number is not normalized\n");

    /* Dirty after setting transformation */
    o.setClean();
    CORRADE_VERIFY(!o.isDirty());
    o.setTransformation(DualComplex::rotation(Deg(17.0f)));
    CORRADE_VERIFY(o.isDirty());
    CORRADE_COMPARE(o.transformationMatrix(), Matrix3::rotation(Deg(17.0f)));

    /* Scene cannot be transformed */
    Scene2D s;
    s.setClean();
    s.setTransformation(DualComplex::rotation(Deg(17.0f)));
    CORRADE_VERIFY(!s.isDirty());
    CORRADE_COMPARE(s.transformationMatrix(), Matrix3());
}
void RigidMatrixTransformation2DTest::setTransformation() {
    Object2D o;

    /* Can't transform with non-rigid transformation */
    std::ostringstream out;
    Error::setOutput(&out);
    o.setTransformation(Matrix3::scaling(Vector2(3.0f)));
    CORRADE_COMPARE(out.str(), "SceneGraph::RigidMatrixTransformation2D::setTransformation(): the matrix doesn't represent rigid transformation\n");

    /* Dirty after setting transformation */
    o.setClean();
    CORRADE_VERIFY(!o.isDirty());
    o.setTransformation(Matrix3::rotation(Deg(17.0f)));
    CORRADE_VERIFY(o.isDirty());
    CORRADE_COMPARE(o.transformationMatrix(), Matrix3::rotation(Deg(17.0f)));

    /* Scene cannot be transformed */
    Scene2D s;
    s.setClean();
    s.setTransformation(Matrix3::rotation(Deg(17.0f)));
    CORRADE_VERIFY(!s.isDirty());
    CORRADE_COMPARE(s.transformationMatrix(), Matrix3());
}