public void testCompose1() {
    AffineTransformation t0 = AffineTransformation.translationInstance(10, 0);
    t0.rotate(Math.PI / 2);
    t0.translate(0, -10);

    AffineTransformation t1 = AffineTransformation.translationInstance(0, 0);
    t1.rotate(Math.PI / 2);

    checkTransformation(t0, t1);
  }
  public void testComposeRotation1() {
    AffineTransformation t0 = AffineTransformation.rotationInstance(1, 10, 10);

    AffineTransformation t1 = AffineTransformation.translationInstance(-10, -10);
    t1.rotate(1);
    t1.translate(10, 10);

    checkTransformation(t0, t1);
  }