/*
    * Copyright (C) 2008, Google Inc. and others
    *
    * This program and the accompanying materials are made available under the
    * terms of the Eclipse Distribution License v. 1.0 which is available at
    * https://www.eclipse.org/org/documents/edl-v10.php.
    *
    * SPDX-License-Identifier: BSD-3-Clause
    */
  
  package org.eclipse.jgit.treewalk.filter;
  
  import static org.eclipse.jgit.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  import org.eclipse.jgit.junit.RepositoryTestCase;
  import org.eclipse.jgit.treewalk.TreeWalk;
  import org.junit.Test;
  
  public class NotTreeFilterTest extends RepositoryTestCase {
  	@Test
  	public void testWrap() throws Exception {
  		try (TreeWalk tw = new TreeWalk(db)) {
  			final TreeFilter a = TreeFilter.ALL;
  			final TreeFilter n = NotTreeFilter.create(a);
  			assertNotNull(n);
  			assertTrue(a.include(tw));
  			assertFalse(n.include(tw));
  		}
  	}
  
  	@Test
  	public void testNegateIsUnwrap() throws Exception {
  		final TreeFilter a = PathFilter.create("a/b");
  		final TreeFilter n = NotTreeFilter.create(a);
  		assertSame(a, n.negate());
  	}
  
  	@Test
  	public void testShouldBeRecursive_ALL() throws Exception {
  		final TreeFilter a = TreeFilter.ALL;
  		final TreeFilter n = NotTreeFilter.create(a);
  		assertEquals(a.shouldBeRecursive(), n.shouldBeRecursive());
  	}
  
  	@Test
  	public void testShouldBeRecursive_PathFilter() throws Exception {
  		final TreeFilter a = PathFilter.create("a/b");
  		assertTrue(a.shouldBeRecursive());
  		final TreeFilter n = NotTreeFilter.create(a);
  		assertTrue(n.shouldBeRecursive());
  	}
  
  	@Test
  	public void testCloneIsDeepClone() throws Exception {
  		final TreeFilter a = new AlwaysCloneTreeFilter();
  		assertNotSame(a, a.clone());
  		final TreeFilter n = NotTreeFilter.create(a);
  		assertNotSame(n, n.clone());
  	}
  
  	@Test
  	public void testCloneIsSparseWhenPossible() throws Exception {
  		final TreeFilter a = TreeFilter.ALL;
  		assertSame(a, a.clone());
  		final TreeFilter n = NotTreeFilter.create(a);
  		assertSame(n, n.clone());
  	}
  }