public void T2()
        {
            // Arrange
            var testConverter = new DoubleToBrushConverter();

            // Act
            var actual = testConverter.Convert(-20.00, typeof(object), null !, InvariantCulture);

            // Assert
            Assert.Equal(Brushes.OrangeRed, actual);
        }
        public void T1()
        {
            // Arrange
            var testConverter = new DoubleToBrushConverter();

            // Act
            var actual = testConverter.Convert(55.00, typeof(object), null !, InvariantCulture);

            // Assert
            Assert.Equal(Brushes.LawnGreen, actual);
        }
        public void T3()
        {
            var testConverter = new DoubleToBrushConverter();

            Assert.Throws <NotSupportedException>(() => testConverter.ConvertBack(null !, typeof(object), null !, InvariantCulture));
        }