public void T3()
        {
            // Arrange
            var testConverter = new EmptyDoubleToStringConverter();

            // Act
            var actual = testConverter.ConvertBack(null, typeof(object), null !, InvariantCulture);

            // Assert
            Assert.Equal(default, actual);
        public void T2()
        {
            // Arrange
            var testConverter = new EmptyDoubleToStringConverter();

            // Act
            var actual = testConverter.ConvertBack(50, null, null !, InvariantCulture);

            // Assert
            Assert.Equal(null !, actual);
        }
        public void T1()
        {
            // Arrange
            var          testConverter = new EmptyDoubleToStringConverter();
            const double testValue     = 6.00;

            // Act
            var actual = testConverter.Convert(testValue, typeof(object), null !, InvariantCulture);

            // Assert
            Assert.Equal(testValue.ToString(), actual);
        }