@Test
public void testGetOvalIfInnerCornerNotExist() throws Exception {

  RectF topLeft = createBorderCorner(TOP_LEFT, 50, 10, 50, borderBox).getOvalIfInnerCornerNotExist();
  assertThat(topLeft, is(new RectF(25, 25, 75, 75)));
  RectF topRight = createBorderCorner(TOP_RIGHT, 50, 10, 50, borderBox).getOvalIfInnerCornerNotExist();
  assertThat(topRight, is(new RectF(325, 25, 375, 75)));
  RectF bottomRight = createBorderCorner(BOTTOM_RIGHT, 50, 10, 50, borderBox).getOvalIfInnerCornerNotExist();
  assertThat(bottomRight, is(new RectF(325, 325, 375, 375)));
  RectF bottomLeft = createBorderCorner(BOTTOM_LEFT, 50, 10, 50, borderBox)
      .getOvalIfInnerCornerNotExist();
  assertThat(bottomLeft, is(new RectF(25, 325, 75, 375)));
}