blob: 75a2a6bfc4129fb092015f80e662dc900551a5d1 [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.
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 {
int value;
int compareTo(Comparable 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));