Lasse R.H. Nielsen
0b58c4bd10
Retain the old values. Reapply of https://dart-review.googlesource.com/c/sdk/+/20680 with fixes for VM method fingerprints. Change-Id: Ie14e7ccc3194d5561983348e6b6752728913ff4d Reviewed-on: https://dart-review.googlesource.com/20664 Reviewed-by: Erik Ernst <eernst@google.com> Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
59 lines
1.8 KiB
Dart
59 lines
1.8 KiB
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Testing file input stream, VM-only, standalone test.
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import "dart:convert";
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import "dart:io";
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import "package:async_helper/async_helper.dart";
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import "package:expect/expect.dart";
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main() async {
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asyncStart();
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// Reading a script from a named pipe is only supported on Linux and MacOS.
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if (!Platform.isLinux && !Platform.isMacOS) {
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print("This test is only supported on Linux and MacOS.");
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asyncEnd();
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return;
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}
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final String script = 'main() { print("Hello, World!"); }';
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final String stdinPipePath = '/dev/fd/0';
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// If there's no file system access to the pipe, then we can't do a meaningful
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// test.
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if (!await (new File(stdinPipePath).exists())) {
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print("Couldn't find $stdinPipePath.");
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asyncEnd();
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return;
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}
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StringBuffer output = new StringBuffer();
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Process process = await Process.start(Platform.executable, [stdinPipePath]);
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bool stdinWriteFailed = false;
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process.stdout.transform(utf8.decoder).listen(output.write);
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process.stderr.transform(utf8.decoder).listen((data) {
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if (!stdinWriteFailed) {
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Expect.fail(data);
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process.kill();
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}
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});
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process.stdin.done.catchError((e) {
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// If the write to stdin fails, then give up. We can't test the thing we
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// wanted to test.
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stdinWriteFailed = true;
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process.kill();
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});
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process.stdin.writeln(script);
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await process.stdin.flush();
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await process.stdin.close();
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int status = await process.exitCode;
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if (!stdinWriteFailed) {
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Expect.equals(0, status);
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Expect.equals("Hello, World!\n", output.toString());
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}
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asyncEnd();
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}
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