Files
sdk/tests/standalone/io/process_inherit_stdio_test.dart
T
Jonas Termansen 3433d8cfc3 [nnbd] Migrate standalone/io to NNBD.
The tests are also now dartfmt.

Bug: https://github.com/dart-lang/sdk/issues/40040
Change-Id: I8dece8097b37b70d47a5374dae2f3fadb0fc4b90
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134338
Commit-Queue: Jonas Termansen <sortie@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2020-02-07 14:41:36 +00:00

41 lines
1.3 KiB
Dart

// Copyright (c) 2018, 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.
// OtherResources=process_inherit_stdio_script.dart
// Process test program to test 'inherit stdio' processes.
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import "package:async_helper/async_helper.dart";
import "package:expect/expect.dart";
import "process_test_util.dart";
main() {
asyncStart();
// process_inherit_stdio_script.dart spawns a process in inheritStdio mode
// that prints to its stdout. Since that child process inherits the stdout
// of the process spawned here, we should see it.
var script =
Platform.script.resolve('process_inherit_stdio_script.dart').toFilePath();
var future = Process.start(Platform.executable,
[]..addAll(Platform.executableArguments)..addAll([script, "foo"]));
Completer<String> s = new Completer();
future.then((process) {
StringBuffer buf = new StringBuffer();
process.stdout.transform(utf8.decoder).listen((data) {
buf.write(data);
}, onDone: () {
s.complete(buf.toString());
});
});
s.future.then((String result) {
Expect.isTrue(result.contains("foo"));
asyncEnd();
});
}