public void ToZpl_Default3_Successful()
        {
            var command    = new GraphicFieldCommand('A', 4, 4, 2, "A1B2C3D4");
            var zplCommand = command.ToZpl();

            Assert.AreEqual("^GFA,4,4,2,A1B2C3D4", zplCommand);
        }
        public void ToZpl_Default1_Successful()
        {
            var command    = new GraphicFieldCommand();
            var zplCommand = command.ToZpl();

            Assert.AreEqual("^GFA,0,0,0,", zplCommand);
        }
        public void ToZpl_Default2_Successful()
        {
            var command    = new GraphicFieldCommand('A', 1, 1, 1, "AB");
            var zplCommand = command.ToZpl();

            Assert.AreEqual("^GFA,1,1,1,AB", zplCommand);
        }