public void TestJoinWin()
{
var p1 = new MyPath("C:/test");
var p2 = p1.Join("is");
var p3 = p2.Join("over");
Assert.AreEqual("C:/test", p1.PathStr);
Assert.AreEqual("C:/test/is", p2.PathStr);
Assert.AreEqual("C:/test/is/over", p3.PathStr);
}
