unreadableDir.makeUnreadable()

        expect:
        def stat = accessor.stat(fileInDir)
        stat.type == FileType.RegularFile
        assertSameLastModified(stat, fileInDir)
        stat.length == 0
        assertSameAccessType(stat, DIRECT)

        cleanup:
        unreadableDir.makeReadable()
    }

    @Requires(UnitTestPreconditions.FilePermissions)

    def "can visit unreadable #type"() {
        given:
        def rootDir = tmpDir.createDir("root")
        def unreadableFile = rootDir.file('unreadable')
        unreadableFile."create${type.capitalize()}"().makeUnreadable()

        when:
        snapshot(rootDir)

        then:
        def ex = thrown(UncheckedIOException)
        ex.message == String.format(message, unreadableFile)