blob: 2aaa237ea49128f3add3b36d6d070b353c094251 [file] [log] [blame]
// Copyright (c) 2019, 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.
/// @assertion All opted-in libraries upstream from the legacy library are
/// viewed by the legacy library with nullability related features erased from
/// their APIs. In particular:
/// - All types of the form T? in the opted-in API are treated as T.
/// - All required named parameters are treated as optional named parameters.
/// - The type Never is treated as the type Null
/// @description Check that all types of the form T? in the opted-in API are
/// treated as T
/// @author
// @dart=2.6
// Requirements=nnbd-weak
import '../../../Utils/expect.dart';
import 'opted_in_aliases_lib.dart';
main() {
AAliasNonNullable a1 = null;
AAliasNullable a2 = null;
StringAliasNonNullable s1 = null;
StringAliasNullable s2 = null;
IntAliasNonNullable i1 = null;
IntAliasNullable i2 = null;
a1 = new A();
a2 = new A();
s1 = "Lily was here";
s2 = "Show must go on";
i1 = 42;
i2 = 13;
Expect.isTrue(a1 is A);
Expect.isTrue(s1 is String);
Expect.isTrue(i1 is int);
Expect.isTrue(a2 is A);
Expect.isTrue(s2 is String);
Expect.isTrue(i2 is int);