public void Then_write_only_properties_should_be_skipped()
        {
            var settings = new AppSettings("filename", FileOption.None);
            var mySettings = new SettingsWithWriteOnlyProperty();
            mySettings.NonEmptyStringValue = "abc";

            settings.ReadFrom(mySettings);

            Assert.AreEqual("abc", settings.GetValue("NonEmptyStringValue"));
            Assert.IsFalse(settings.HasAppSetting("DoubleValue"));
        }