@Option(
        names = ["--device"], split = ",", description = ["""A list of DIMENSION=VALUE pairs which specify a target
        |device to test against. This flag may be repeated to specify multiple devices. The four device dimensions are:
        | model, version, locale, and orientation. If any dimensions are omitted, they will use a default value. Omitting
        |  all of the preceding dimension-related flags will run tests against a single device using defaults for all four
        |   device dimensions."""]
    )
    fun deviceMap(map: Map<String, String>?) {
        if (map.isNullOrEmpty()) return
        val androidDevice = Device(
            model = map.getOrDefault("model", defaultAndroidModel),
            version = map.getOrDefault("version", defaultAndroidVersion),
            locale = map.getOrDefault("locale", defaultLocale),
            orientation = map.getOrDefault("orientation", defaultOrientation)
        )

        if (device == null) device = mutableListOf()
        device?.add(androidDevice)
    }

    var device: MutableList<Device>? = null

    @Test
    fun cli_device_repeat() {
        val cli = AndroidRunCommand()
        CommandLine(cli).parse(
            "--device=model=shamu,version=22,locale=zh_CN,orientation=default " +
                "--device=model=shamu,version=22,locale=zh_CN,orientation=default")

        val yaml = """
        gcloud:
          app: $appApk
          test: $testApk
      """
        val androidArgs = AndroidArgs.load(yaml, cli)
        val expectedDevice = Device("shamu", "22", "zh_CN", "default")
        val actualDevices = androidArgs.devices
        assertThat(actualDevices.size).isEqualTo(2)
        assertThat(actualDevices[0]).isEqualTo(expectedDevice)
        assertThat(actualDevices[1]).isEqualTo(expectedDevice)
    }