@Test
public void getOpaqueRegionChangesWhenFillChanged() {
RectBounds or = shape.getOpaqueRegion();
assertNotNull(or);
shape.setFillPaint(null);
assertNull(shape.getOpaqueRegion());
shape.setFillPaint(Color.BLACK);
assertNotNull(shape.getOpaqueRegion());
assertEquals(or, shape.getOpaqueRegion());
}
@Test
public void getOpaqueRegionChangesWhenModeChanged() {
RectBounds or = shape.getOpaqueRegion();
assertNotNull(or);
shape.setMode(NGShape.Mode.EMPTY);
assertNull(shape.getOpaqueRegion());
shape.setMode(NGShape.Mode.FILL);
assertNotNull(shape.getOpaqueRegion());
assertEquals(or, shape.getOpaqueRegion());
shape.setMode(NGShape.Mode.STROKE);
assertNull(shape.getOpaqueRegion());
shape.setMode(NGShape.Mode.STROKE_FILL);
assertNotNull(shape.getOpaqueRegion());
assertEquals(or, shape.getOpaqueRegion());
}