class DefaultCompositeFileTreeTest extends WorkspaceTest {

    private DefaultCompositeFileTree newCompositeFileTree(List<? extends FileTreeInternal> fileTrees) {
        new DefaultCompositeFileTree(TestFiles.taskDependencyFactory(), TestFiles.patternSetFactory, fileTrees)
    }

    def "can be empty"() {
        when:
        def ft = newCompositeFileTree([])

        then:
        ft.files.isEmpty()
    }