_ * tree.displayName >> 'display name'

        FileTreeAdapter adapter = newFileTreeAdapter(tree)

        expect:
        adapter.toString() == 'display name'
    }

    def visitDelegatesToTargetTree() {
        MinimalFileTree tree = Mock()
        FileTreeAdapter adapter = newFileTreeAdapter(tree)
        FileVisitor visitor = Mock()

        when:
        adapter.visit(visitor)

        then: