blob: f8a2e3a76d54a8bdafddbb213084a03fab609781 [file] [log] [blame]
// Copyright (c) 2012, 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.
// Test compile time error for factories with parameterized types.
import "dart:collection";
abstract class A<T> {
factory A.create() = AFactory<T>.create; // //# 01: compile-time error
}
class AFactory {
// Compile time error: should be AFactory<T> to match abstract class above
factory A.create() { // //# 01: compile-time error
return null;// //# 01: continued
} // //# 01: continued
}
abstract class Link<T> extends IterableBase<T> {
// does not match constructor for LinkFactory
factory Link(T head, [Link<T> tail]) = LinkFactory<T>; //# 03: compile-time error
Link<T> prepend(T element);
}
abstract class EmptyLink<T> extends Link<T> {
const factory EmptyLink() = LinkTail<T>;
}
class LinkFactory<T> {
factory LinkFactory(head, [Link tail]) {}
}
// Does not implement all of Iterable
class AbstractLink<T> implements Link<T> { /*@compile-error=unspecified*/
const AbstractLink();
Link<T> prepend(T element) {
return new Link<T>(element, this);
}
}
// Does not implement all of Iterable
class LinkTail<T> extends AbstractLink<T> implements EmptyLink<T> { /*@compile-error=unspecified*/
const LinkTail();
}
// Does not implement all of Iterable
class LinkEntry<T> extends AbstractLink<T> { /*@compile-error=unspecified*/
LinkEntry(T head, Link<T> realTail);
}
class Fisk {
// instantiation of abstract class
Link<String> nodes = const EmptyLink(); /*@compile-error=unspecified*/
}
main() {
// Equivalent to new Link<dynamic>.create().
var a = new A.create(); // //# none: compile-time error
var a = new A.create(); // //# 01: continued
new Fisk();
// instantiation of abstract class
new EmptyLink<String>().prepend('hest'); //# compile-time error
// instantiation of abstract class
const EmptyLink<String>().prepend('fisk'); //# compile-time error
}