public static void TestUseCase() { var c = new Bridge606C(); c.Example1(y: "a", x: "b"); Assert.AreEqual(c.X, "b", "Bridge606 C X"); Assert.AreEqual(c.Y, "a", "Bridge606 C Y"); var b = new Bridge606B(y: "a", x: "b"); Assert.AreEqual(b.X, "b", "Bridge606 B X"); Assert.AreEqual(b.Y, "a", "Bridge606 B Y"); var s = "123".Example2(y: "a", x: "b"); Assert.AreEqual(s, "123 - b - a", "Bridge606 123"); }