LibTest/async/Stream/first_A03_t01.test.dart

// 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.

/**
 * @assertion Future<T> first
 * If an error event occurs before the first data event, the resulting
 * future is completed with that error.
 * @description Checks that if error event occurs before the first data
 * event, the future completes with that error.
 * @author ilya
 */
library first_A03_t01;

import "dart:async";
import "../../../Utils/expect.dart";

void test(CreateStreamWithErrorsFunction create) {
  Stream s = create([1, 2, 3], isError: (_) => true, defVal: 42);
  AsyncExpect.error(1, s.first);
}