dart-sdk/tests/language_2/operator3_test.dart
Ben Konyi 8253f51b64 Migrated test block 140 to Dart 2.0.
Bug:
Change-Id: I935b29026125e0318cc977a7d5c6fd45479a0d56
Reviewed-on: https://dart-review.googlesource.com/7853
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Leaf Petersen <leafp@google.com>
2017-09-25 14:53:02 +00:00

21 lines
621 B
Dart

// Copyright (c) 2011, 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";
class A {
operator -() => this;
toString() => "5";
abs() => "correct";
}
// This triggered a bug in Dart2Js: the speculative type optimization assigned
// type "number" to 'a' and then to '-a'. In the bailout version the type for
// 'a' was removed, but the type for '-a' was kept.
foo(a) => -(-a);
main() {
Expect.equals("correct", foo(new A()).abs());
}