public static void InheritanceTest01()
{
TestCls cls = new TestCls();
TestCls2 cls2 = new TestCls2();
TestCls3 cls3 = new TestCls3();
Console.WriteLine("Test invoking from sub type...");
Console.WriteLine(cls.ToString());
cls.TestAbstract();
cls.TestVirtual();
cls.TestField();
Console.WriteLine(cls2.ToString());
cls2.TestAbstract();
cls2.TestVirtual();
cls2.TestField();
Console.WriteLine(cls3.ToString());
cls3.TestAbstract();
cls3.TestVirtual();
cls3.TestField();
Test01Sub(cls);
Test01Sub(cls2);
Console.WriteLine("TestCls.TestVal2 = " + cls.TestVal2);
ClassInheritanceTest.Test3(cls);
ClassInheritanceTest.Test3(cls2);
ClassInheritanceTest.Test3(cls3);
}
public static void InheritanceTest23()
{
TestClass cls = new TestClass();
if (cls is InterfaceTest2)
{
throw new Exception();
}
InterfaceTest2 cls2 = cls as InterfaceTest2;
if (cls2 is InterfaceTest2)
{
throw new Exception();
}
TestClass3 cls3 = (TestClass3)(cls as InterfaceTest2);
if (cls3 != null)
{
throw new Exception();
}
cls2 = new TestCls3();
var cls4 = (TestCls3)cls2;
if (cls4 == null)
{
throw new Exception();
}
InterfaceTest2 cls5 = (InterfaceTest2)cls;
if (cls5 is InterfaceTest2)
{
throw new Exception();
}
}
public static void InheritanceTest_Interface()
{
TestCls3 cls3 = new TestCls3();
Console.WriteLine(cls3.ToString());
cls3.TestAbstract();
((InterfaceTest2)cls3).TestVirtual();
cls3.TestField();
}
