Jaime Wren
31e5cab243
- negative tests merged into non-negative tests - lots of factory tests Change-Id: I825e3ab6153f0dce243c3b8f1c4d223ab8ec5f9b Reviewed-on: https://dart-review.googlesource.com/12126 Reviewed-by: Janice Collins <jcollins@google.com> Reviewed-by: Jaime Wren <jwren@google.com>
68 lines
2.0 KiB
Dart
68 lines
2.0 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Test compile time error for factories with parameterized types.
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import "dart:collection";
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abstract class A<T> {
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factory A.create() = AFactory<T>.create; // //# 01: compile-time error
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}
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class AFactory {
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// Compile time error: should be AFactory<T> to match abstract class above
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factory A.create() { // //# 01: compile-time error
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return null;// //# 01: continued
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} // //# 01: continued
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}
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abstract class Link<T> extends IterableBase<T> {
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// does not match constructor for LinkFactory
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factory Link(T head, [Link<T> tail]) = LinkFactory<T>; //# 03: compile-time error
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Link<T> prepend(T element);
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}
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abstract class EmptyLink<T> extends Link<T> {
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const factory EmptyLink() = LinkTail<T>;
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}
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class LinkFactory<T> {
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factory LinkFactory(head, [Link tail]) {}
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}
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// Does not implement all of Iterable
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class AbstractLink<T> implements Link<T> { /*@compile-error=unspecified*/
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const AbstractLink();
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Link<T> prepend(T element) {
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return new Link<T>(element, this);
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}
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}
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// Does not implement all of Iterable
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class LinkTail<T> extends AbstractLink<T> implements EmptyLink<T> { /*@compile-error=unspecified*/
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const LinkTail();
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}
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// Does not implement all of Iterable
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class LinkEntry<T> extends AbstractLink<T> { /*@compile-error=unspecified*/
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LinkEntry(T head, Link<T> realTail);
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}
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class Fisk {
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// instantiation of abstract class
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Link<String> nodes = const EmptyLink(); /*@compile-error=unspecified*/
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}
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main() {
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// Equivalent to new Link<dynamic>.create().
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var a = new A.create(); // //# none: compile-time error
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var a = new A.create(); // //# 01: continued
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new Fisk();
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// instantiation of abstract class
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new EmptyLink<String>().prepend('hest'); //# compile-time error
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// instantiation of abstract class
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const EmptyLink<String>().prepend('fisk'); //# compile-time error
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}
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