public void Test_Const()
        {
            var node = new ConstantNode <long> (123L);

            var map          = TileFactoryTestUtils.createMapping();
            var instructions = TileFactory.ConstTile <long>().Cover(node);

            TileFactoryTestUtils.updateMapping(instructions, map);

            var got      = TileFactoryTestUtils.getASM(instructions, map);
            var expected =
                "mov " + TileFactoryTestUtils.SPECIAL + ", 123\n";

            Assert.AreEqual(expected, got);
        }