| // 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. |
| |
| /// @assertion Future<T> first |
| /// If this stream is empty (a [done] event occurs before the first data event), |
| /// the resulting future completes with a [StateError]. |
| /// @description Checks that [StateError] occurs if the stream is empty |
| /// @author iarkh@unipro.ru |
| |
| import "../../../Utils/expect.dart"; |
| import "dart:io"; |
| |
| run_process() async { |
| await stdin.first.then((_) async { |
| try { |
| await stdin.first; |
| exit(99); |
| } catch (e) { |
| exit(e is StateError ? 0 : 99); |
| } |
| }); |
| } |
| |
| run_main() async { |
| String executable = Platform.resolvedExecutable; |
| String eScript = Platform.script.toString(); |
| int called = 0; |
| |
| await Process.start( |
| executable, [...Platform.executableArguments, eScript, "test"], |
| runInShell: true) |
| .then((Process process) async { |
| process.stdin.writeln("1"); |
| await process.exitCode.then((int code) async { |
| Expect.equals(0, code); |
| called++; |
| }); |
| }); |
| Expect.equals(1, called); |
| } |
| |
| main(List<String> args) { |
| args.length > 0 ? run_process() : run_main(); |
| } |