{"overlayfiles", 0, true},
				{"parentoverwritten", 0, true},
				{"subdir1", 0, true},
				{"subdir10", 0, true},
				{"subdir11", 0, false},
				{"subdir2", 0, true},
				{"subdir3", 0, true},
				{"subdir4", 2, false},
				// no subdir5.
				{"subdir6", 0, true},
				{"subdir7", 0, true},
				{"subdir8", 0, true},
				{"subdir9", 0, true},
				{"textfile.txt", 0, true},
			},
		},
		{

        rootDir.file("subdir/file1.txt").write("content");
        rootDir.file("subdir2/file2.txt").write("content");
        rootDir.tgzTo(tgz);

        TarFileTree tree = tarTree(tgz);

        assertVisits(tree, toList("subdir/file1.txt", "subdir2/file2.txt"), toList("subdir", "subdir2"));
        assertSetContainsForAllTypes(tree, toList("subdir/file1.txt", "subdir2/file2.txt"));
    }

    @Test

        touch(new File(srcDir1, 'subdir/file1.txt'))
        touch(new File(srcDir1, 'subdir/file2.txt'))
        touch(new File(srcDir1, 'subdir/ignored.txt'))
        File srcDir2 = new File(testDir, 'dir2')
        touch(new File(srcDir2, 'subdir2/file1.txt'))
        touch(new File(srcDir2, 'subdir2/file2.txt'))
        touch(new File(srcDir2, 'subdir2/ignored.txt'))

        when:
        set.srcDir 'dir1'

        assertSetContainsForAllTypes(filtered, 'subDir/included1', 'subDir2/included2')
        assertVisits(filtered, ['subDir/included1', 'subDir2/included2'], ['subDir', 'subDir2'])
        filtered.contains(included1)
        !filtered.contains(excluded1)
        !filtered.contains(ignored1)
    }

    def testCanFilterMatchingFilesUsingPatternSet() {
        File included1 = new File(testDir, 'subDir/included1')

			[]string{
				"dir/",
				"dir/subdir1/",
				"dir/dir2/",
				"dir/dir2/subdir2/",
				"dir/dir2/mount/",
				"dir/dir2/mount/subdir3/",
			},
			true,
		},
		{
			"error",
			[]string{
				"dir/",
				"dir/subdir1/",
				"dir2/",
				"err/",
				"err/subdir3/",
			},
			true,
		},
	}

	for _, test := range tests {

        createTar('test1.tar') {
            subdir1 {
                file ('file.txt').text = 'original text 1'
            }
            subdir2 {
                file('file2.txt').text = 'original text 2'
                file ('file3.txt').text =  'original text 3'
            }
        }
        createTar('test2.tar') {
            subdir1 {

        rootDir.file("subdir/file1.txt").write("content");
        rootDir.file("subdir2/file2.txt").write("content");
        archiveFileToRoot(getArchiveFile());

        assertVisits(getTree(), toList("subdir/file1.txt", "subdir2/file2.txt"), toList("subdir", "subdir2"));
        assertSetContainsForAllTypes(getTree(), toList("subdir/file1.txt", "subdir2/file2.txt"));
    }

    @Test

        result.assertTaskExecuted(":copy")
        file('dest').assertHasDescendants('subdir1/file1.txt', 'subdir2/file2.txt')

        when:
        run 'copy'

        then:
        result.assertTasksSkipped(":copy")

        when:
        createZip('test.zip') {
            subdir1 {
                file 'file1.txt'
            }
            subdir2 {
                file 'file2.xml'
            }

        0 * _
    }

    def "can visit directory hierarchy"() {
        given:
        def root = tmpDir.createDir("root")
        def subDir1 = root.createDir("sub-dir-1")
        subDir1.createFile("file.txt")
        def subDir2 = root.createDir("sub-dir-2")
        subDir2.createFile("file.txt")

        when:
        snapshot(root)

        then:
        1 * statisticsCollector.recordVisitHierarchy()

        when:
        execute(task)

        then:
        new File(testDir, "subdir").isDirectory()
    }

    def validationActionSucceedsWhenSpecifiedOutputFilesDoesNotExist() {
        given:
        def task = expectTaskCreated(TaskWithOutputFiles, [new File(testDir, "subdir/output.txt"), new File(testDir, "subdir2/output.txt")] as List)

        when: