public void Cast_Test()
{
var nullClass2 = null as Class2;
var nullClass1 = nullClass2.Cast <Class1>();
Assert.AreEqual(nullClass1, null);
Assert.AreEqual(nullClass2, null);
Class1 class3 = new Class3();
{ var result = class3.Cast <Class1>(); }
Class2 class2 = new Class2();
Assert.ThrowsException <InvalidCastException>(() => { class2.Cast <Class3>(); });
Assert.ThrowsException <InvalidCastException>(() => { var a = (int)(object)class2; });
Assert.ThrowsException <InvalidCastException>(() => { var a = class2.Cast <int>(); });
Assert.ThrowsException <InvalidCastException>(() => { class2.Cast <short>(); });
Assert.ThrowsException <InvalidCastException>(() => { class2.Cast <double>(); });
Assert.ThrowsException <InvalidCastException>(() => { class2.Cast <char>(); });
}
