public void Convert_PassedNullValue_ShouldReturnNull()
        {
            // Arrange
            var converter = new ExtendedMouseActionToVisibilityConverter();

            // Act
            var result = converter.Convert(null, typeof(Visibility), null, CultureInfo.CurrentCulture);

            // Assert
            Assert.Null(result);
        }
        public void Convert_PassedKnownValue_ShouldReturnCorrectValue(ExtendedMouseAction input, Visibility expected)
        {
            // Arrange
            var converter = new ExtendedMouseActionToVisibilityConverter();

            // Act
            var result = converter.Convert(input, typeof(Visibility), null, CultureInfo.CurrentCulture);

            // Assert
            Assert.Equal(expected, result);
        }