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3bed0647a0
Based heavily on https://codereview.chromium.org/3007803002, but built from scratch with the updated migration script. Change-Id: I52ecd5dd97a73ec2f5fc524de532c5605c5d0a7d Reviewed-on: https://dart-review.googlesource.com/9360 Commit-Queue: Janice Collins <jcollins@google.com> Reviewed-by: Janice Collins <jcollins@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
76 lines
1.6 KiB
Dart
76 lines
1.6 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 of parameterized factory methods.
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class Foo<T extends num> {
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Foo();
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factory Foo.bad() = XFoo; // //# 00: compile-time error
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factory Foo.good() = Foo<T>;
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factory Foo.IFoo() {
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return null;
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}
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}
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abstract class IFoo<T extends num> {
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factory IFoo() = Foo<T>; //# 11: compile-time error
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}
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// String is not a subtype of num.
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class Baz
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extends Foo<String> //# 01: compile-time error
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{}
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class Biz extends Foo<int> {}
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Foo<int> fi;
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// String is not a subtype of num.
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Foo
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<String> //# 02: compile-time error
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fs;
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class Box<T> {
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// Box.T is not guaranteed to be a subtype of num.
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Foo<T> t; //# 03: compile-time error
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makeFoo() {
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// Box.T is not guaranteed to be a subtype of num.
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return new Foo<T>(); //# 04: compile-time error
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}
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}
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main() {
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// String is not a subtype of num.
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var v1 = new Foo<String>(); //# 05: compile-time error
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// String is not a subtype of num.
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Foo<String> v2 = null; //# 06: compile-time error
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new Baz();
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new Biz();
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fi = new Foo();
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fs = new Foo();
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new Box().makeFoo();
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new Box<int>().makeFoo();
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new Box<String>().makeFoo();
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// Fisk does not exist.
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new Box<Fisk>(); //# 07: compile-time error
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// Too many type arguments.
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new Box<Object, Object>(); //# 08: compile-time error
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// Fisk does not exist.
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Box<Fisk> box = null; //# 09: compile-time error
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// Too many type arguments.
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Box<Object, Object> box = null; //# 10: compile-time error
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}
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