dart-sdk/tests/language_2/mixin/proto_test.dart
Robert Nystrom fc1b1ecc71 Move files under language_2 into subdirectories.
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
2019-12-11 19:18:00 +00:00

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1 KiB
Dart

// Copyright (c) 2016, 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.
// Tests that a program in csp mode doesn't access the prototype chain
// on platforms that don't support direct access to __proto__.
// This test is most useful with --csp and on a platform that doesn't support
// __proto__ access (such as Rhino).
// See http://dartbug.com/27290 .
import 'package:expect/expect.dart';
class A {
var x;
foo() => 44;
bar() => 22;
}
class B {
var y;
foo() => 42;
}
class C extends A with B {
var z;
bar() => 499;
}
@pragma('dart2js:noInline')
@pragma('dart2js:assumeDynamic')
confuse(x) => x;
main() {
var all = [new A(), new B(), new C()];
Expect.equals(44, confuse(all[0]).foo());
Expect.equals(22, confuse(all[0]).bar());
Expect.equals(42, confuse(all[1]).foo());
Expect.equals(42, confuse(all[2]).foo());
Expect.equals(499, confuse(all[2]).bar());
}