* Clone a {@link CommitFileImpactFilter}
*/
@Test
public void cloneFilter() {
CommitFileImpactFilter filter = new CommitFileImpactFilter();
RevFilter clone = filter.clone();
assertNotNull(clone);
assertTrue(clone instanceof CommitFileImpactFilter);
assertNotSame(filter, clone);
assertEquals(filter.getLimit(),
((CommitFileImpactFilter) clone).getLimit());