/
generic-virtual.2.cs
86 lines (70 loc) · 1.54 KB
/
generic-virtual.2.cs
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using System;
public class ClassA {}
public class ClassB {}
public delegate string[] StringArrayDelegate ();
public class Gen<T> {
static bool checkArr<S> (Array arr, int length) {
if (arr.GetType () != typeof (S[]))
return false;
if (arr.Length != length)
return false;
return true;
}
public bool test () {
return checkArr<ClassB> (newArr<ClassB> (), myLength ());
}
public virtual int myLength () {
return 3;
}
public virtual S[] newArr<S> () {
return new S[3];
}
}
public class GenSub<T> : Gen<T> {
public override int myLength () {
return 4;
}
public override S[] newArr<S> () {
return new S[4];
}
}
public class GenSubSub : GenSub<ClassA> {
public override int myLength () {
return 5;
}
public override S[] newArr<S> () {
return new S[5];
}
public static S[] staticNewArr<S> () {
return new S[5];
}
}
public class main {
public static int Main () {
Gen<ClassA> ga = new Gen<ClassA> ();
Gen<ClassA> gsa = new GenSub<ClassA> ();
Gen<ClassA> gss = new GenSubSub ();
int i;
for (i = 0; i < 100; ++i) {
if (!ga.test ())
return 1;
if (!gsa.test ())
return 1;
if (!gss.test ())
return 1;
StringArrayDelegate sad = new StringArrayDelegate (GenSubSub.staticNewArr<string>);
string[] arr = sad ();
if (arr.GetType () != typeof (string[]))
return 1;
if (arr.Length != 5)
return 1;
sad = new StringArrayDelegate (gss.newArr<string>);
arr = sad ();
if (arr.GetType () != typeof (string[]))
return 1;
if (arr.Length != 5)
return 1;
}
return 0;
}
}