@Test
public void testEmptyMultiLines() throws Exception {

    SimpleFeatureCollection features = fsMultilines.getFeatures();
    ClipProcess cp = new ClipProcess();
    SimpleFeatureCollection result = cp.execute(features,
            new WKTReader().read("POLYGON((-10 -10, -10 -5, -5 -5, -5 -10, -10 -10))"), true);
    assertEquals(0, result.size());
    SimpleFeatureIterator fi = result.features();
    assertFalse(fi.hasNext());
    fi.close();
}