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// 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.
// @dart = 2.9
/// @assertion CLASS Stdout
/// In some situations this blocking behavior is undesirable as it does not
/// provide the same non-blocking behavior as [dart:io] in general exposes. Use
/// the property [nonBlocking] to get an [IOSink] which has the non-blocking
/// behavior.
/// @description Checks that stream is not blocked if [nonBlocking] [IOSink] is
/// used.
/// @author iarkh@unipro.ru
import "dart:async";
import "dart:io";
test(Stdout sink) async {
Stream<List> stream = new Stream<List<int>>.fromIterable(
[[1, 2, 3, 4, 5], [12], [3, 22]]);
sink.nonBlocking.addStream(stream).then((x) {
new Future.delayed(new Duration(seconds: 3));
});
sink.writeln();
sink.writeAll([1, 2, 48, "abc"], ",");
sink.write("This is a test");
sink.writeln("This is a test1");
sink.add([1, 2, 3]);
}
main() async {
test(stdout);
test(stderr);
}