mirror of
https://github.com/dart-lang/sdk
synced 2024-09-16 04:27:17 +00:00
c959c9aba7
Change-Id: I3f67dd79ff2ee745cc2ea161ce7150630e805c97 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/150186 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com>
27 lines
804 B
Dart
27 lines
804 B
Dart
// Copyright (c) 2013, 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.
|
|
|
|
// Regression test for dart2js's type inferrer that used to not
|
|
// propagate default types in synthesized calls.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
class A {
|
|
final x;
|
|
A([this.x = 'foo']);
|
|
}
|
|
|
|
class B extends A {
|
|
// The synthesized constructor was not saying that it would call
|
|
// [A]'s constructor with its default type.
|
|
}
|
|
|
|
main() {
|
|
// By calling [B]'s constructor with an int parameter, the inferrer
|
|
// used to only see this call and consider the [A.x] field to always
|
|
// be int.
|
|
Expect.equals(84, new A(42).x + 42);
|
|
Expect.throwsTypeError(() => new B().x + 42);
|
|
}
|