blob: c1666e80294bc81f2b205bea3aaf1207d491a847 [file] [log] [blame]
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
class A {
const A();
}
class B extends A {
const B();
}
class C extends A {
const C();
const factory C.d() = D;
}
class D extends B implements C {
const D();
}
class Test1 {
final A x = const A(); //# 01: ok
final A x = const B(); //# 02: ok
final B x = const A(); //# 03: compile-time error
final B x = const C(); //# 04: compile-time error
final B x = const C.d(); //# 05: compile-time error
const Test1();
}
// Will be instantiated with U=A and V=B.
class Test2<U, V> {
final U x = const A(); //# 06: compile-time error
final U x = const B(); //# 07: compile-time error
final V x = const A(); //# 08: compile-time error
final V x = const C(); //# 09: compile-time error
final V x = const C.d(); //# 10: compile-time error
const Test2();
}
// Will be instantiated with U=A and V=B.
class Test3<U extends A, V extends B> {
final U x = const A(); //# 11: compile-time error
final U x = const B(); //# 12: compile-time error
final V x = const A(); //# 13: compile-time error
final V x = const C(); //# 14: compile-time error
final V x = const C.d(); //# 15: compile-time error
const Test3();
}
// Will be instantiated with U=A and V=B.
class Test4<U extends A, V extends A> {
final U x = const A(); //# 16: compile-time error
final U x = const B(); //# 17: compile-time error
final V x = const A(); //# 18: compile-time error
final V x = const C(); //# 19: compile-time error
final V x = const C.d(); //# 20: compile-time error
const Test4();
}
// Will be instantiated with U=dynamic and V=dynamic.
class Test5<U extends A, V extends B> {
final U x = const A(); //# 21: compile-time error
final U x = const B(); //# 22: compile-time error
final V x = const A(); //# 23: compile-time error
final V x = const C(); //# 24: compile-time error
final V x = const C.d(); //# 25: compile-time error
const Test5();
}
use(x) => x;
main() {
use(const Test1());
use(const Test2<A, B>());
use(const Test3<A, B>());
use(const Test4<A, B>());
use(const Test5());
}