DenisBronx

class FakePreferences : SharedPreferences {

    private val map: MutableMap<String, Any?> = mutableMapOf()
    private val listeners: MutableList<SharedPreferences.OnSharedPreferenceChangeListener> = mutableListOf()

    override fun getAll(): MutableMap<String, *> = map
    override fun getString(key: String, default: String?): String? = map[key] as String? ?: default

    @Suppress("UNCHECKED_CAST")
    override fun getStringSet(key: String, default: MutableSet<String>?): MutableSet<String>? =