mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 04:37:12 +00:00
1b2454b85e
Change-Id: Ib09f268c8a8edffba007cdd4962550a5e78ff808 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151090 Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
30 lines
675 B
Dart
30 lines
675 B
Dart
// 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.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
// This tests a bug in dart2js which caused the compiler to emit bad
|
|
// type assertions for supertypes of String.
|
|
|
|
class A implements Comparable<A> {
|
|
int value;
|
|
|
|
A(this.value);
|
|
|
|
int compareTo(Object other) {
|
|
A o = promote(other);
|
|
return value.compareTo(o.value);
|
|
}
|
|
|
|
A promote(var other) {
|
|
return other;
|
|
}
|
|
}
|
|
|
|
main() {
|
|
var a = new A(1);
|
|
var b = new A(2);
|
|
Expect.equals(-1, a.compareTo(b));
|
|
}
|