// Copyright (c) 2017, 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.

/*@testedFeatures=inference*/
library test;

import "dart:async";

m1() {
  Future<int> f;
  var /*@type=Future<Future<List<int*>*>*>**/ x = f. /*@target=Future.then*/ then<
          Future<List<int>>>(
      /*error:ARGUMENT_TYPE_NOT_ASSIGNABLE*/
      /*@returnType=FutureOr<Future<List<int*>*>*>*/ (/*@type=int**/ x) => /*@typeArgs=dynamic*/ []);
  Future<List<int>> y = x;
}

m2() {
  Future<int> f;
  var /*@type=Future<List<int*>*>**/ x = f. /*@target=Future.then*/ then<
          List<int>>(
      /*@returnType=List<int*>**/ (/*@type=int**/ x) => /*@typeArgs=int**/ []);
  Future<List<int>> y = x;
}

main() {}
