LanguageFeatures/nnbd/exports_A01_typedef2_t05.dart

/*
 * Copyright (c) 2020, 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 If an unmigrated library re-exports a migrated library, the
 * re-exported symbols retain their migrated status (that is, downstream
 * migrated libraries will see their migrated types).
 * @description Check that if non-nullable type alias exported from opted-in
 * library to legacy library and then back to the opted in code, its variable
 * can be assigned to non-null object.
 * @author iarkh@unipro.ru
 */
// SharedOptions=--enable-experiment=non-nullable,nonfunction-type-aliases
// Requirements=nnbd-strong

import "../../Utils/expect.dart";
import "exports_A01_legacy_aliases_lib.dart";

void testme() {}

main() {
  AAlias           a = A()   ;
  IntAlias         i = 0     ;
  FunctionAlias    f = testme;
  ObjectAlias      o = 1     ;
  FutureOrIntAlias x = 4     ;

  Expect.isNotNull(a);
  Expect.isNotNull(i);
  Expect.isNotNull(f);
  Expect.isNotNull(o);
  Expect.isNotNull(x);
}