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// 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.
// @dart = 2.9
/// @assertion Future(dynamic computation())
/// Creates a future containing the result of calling computation
/// asynchronously with
/// if the result of executing computation throws, the returned future is
/// completed with the error.
/// If the returned value is itself a Future, completion of the created
/// future will wait until the returned future completes, and will then
/// complete with the same result.
/// If a non-future value is returned, the returned future is completed with
/// that value.
/// @description Checks that if computation() returns a future, the returned
/// future is completed first and then created future is completed with the same
/// result.
/// @author ilya
import "dart:async";
import "../../../Utils/expect.dart";
main() {
var value = [1, 2, 3];
Future future = new Future(() => new Future.value(value));
Future future2 = new Future(() => new Future.error(value));
(x) {
Expect.identical(value, x);
(_) {"Created future should complete with error");
onError: (x) {
Expect.identical(value, x);