final String selectedChildPath

    VirtualFileSystemTestSpec(List<String> childPaths, String relativeSearchedPath, @Nullable String selectedChildPath) {
        this.childPaths = childPaths
        this.searchedPath = VfsRelativePath.of("${ABSOLUTE_PATH_PREFIX}/${relativeSearchedPath}").pathFromChild(VfsRelativePath.of(ABSOLUTE_PATH_PREFIX).asString)
        this.selectedChildPath = selectedChildPath
    }

    @Override

        this.children = createChildren(spec.childPaths)
        this.initialRoot = createInitialRootNode(children)
        this.searchedPath = spec.searchedPath
        this.selectedChildPath = spec.selectedChildPath
        if (selectedChildPath != null) {
            def selectedChildIndex = indexOfSelectedChild
            this.selectedChild = selectedChildIndex == -1 ? null : childEntries().get(selectedChildIndex).value
        }

        node instanceof PartialDirectoryNode
    }

    @Override
    boolean isAllowEmptyChildren() {
        return true
    }

    def "invalidate #vfsSpec.searchedPath removes child #vfsSpec.selectedChildPath (#vfsSpec)"() {
        setupTest(vfsSpec)

        when:
        def resultRoot = initialRoot.invalidate(searchedPath, CASE_SENSITIVE, diffListener).get()
        then:

        where:
        vfsSpec << NO_COMMON_PREFIX.findAll { allowEmptyChildren || !it.childPaths.empty }
    }

    def "store parent #vfsSpec.searchedPath replaces child #vfsSpec.selectedChildPath (#vfsSpec)"() {
        setupTest(vfsSpec)
        def newChildPath = searchedPath.asString
        def snapshot = Mock(MetadataSnapshot)
        def parent = mockChild()

        when:

        return node instanceof UnknownFileSystemNode
    }

    @Override
    boolean isAllowEmptyChildren() {
        return false
    }

    def "invalidate #vfsSpec.searchedPath removes child #vfsSpec.selectedChildPath (#vfsSpec)"() {
        setupTest(vfsSpec)

        when:
        def resultRoot = initialRoot.invalidate(searchedPath, CASE_SENSITIVE, diffListener).get()
        then:

        interaction { noMoreInteractions() }

        where:
        vfsSpec << onlyDirectChildren(SAME_PATH)
    }

    def "invalidate descendant #vfsSpec.searchedPath of child #vfsSpec.selectedChildPath creates a partial directory node with the invalidated child (#vfsSpec)"() {
        setupTest(vfsSpec)
        def invalidatedChild = mockChild()

        when: