Martin Kustermann
b2083248a1
Also share (almost identicial) code between error_at_exit_spawn_test.dart error_at_exit_spawnuri_test.dart in error_at_exit_spawning_shared.dart Converted 3 tests away from package:unittest to use package:async_helper/package:expect. Change-Id: I1b9bf7c895eb21f3c5be9246e69b784296610ce3 Reviewed-on: https://dart-review.googlesource.com/5261 Commit-Queue: Martin Kustermann <kustermann@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
72 lines
2.0 KiB
Dart
72 lines
2.0 KiB
Dart
// Copyright (c) 2014, 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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library handle_error_test;
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import "dart:isolate";
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import "dart:async";
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import "package:async_helper/async_helper.dart";
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import "package:expect/expect.dart";
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isomain1(replyPort) {
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RawReceivePort port = new RawReceivePort();
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port.handler = (v) {
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switch (v) {
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case 0:
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replyPort.send(42);
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break;
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case 1:
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throw new ArgumentError("whoops");
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case 2:
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throw new RangeError.value(37);
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case 3:
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port.close();
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}
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};
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replyPort.send(port.sendPort);
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}
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main() {
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asyncStart();
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RawReceivePort reply = new RawReceivePort(null);
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// Start paused so we have time to set up the error handler.
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Isolate.spawn(isomain1, reply.sendPort, paused: true).then((Isolate isolate) {
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isolate.setErrorsFatal(false);
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Stream errors = isolate.errors; // Broadcast stream, never a done message.
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SendPort sendPort;
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StreamSubscription subscription;
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int state = 0;
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reply.handler = (port) {
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sendPort = port;
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port.send(state);
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reply.handler = (v) {
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Expect.equals(0, state);
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Expect.equals(42, v);
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state++;
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sendPort.send(state);
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};
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};
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subscription = errors.listen(null, onError: (error, stack) {
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switch (state) {
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case 1:
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Expect.equals(new ArgumentError("whoops").toString(), "$error");
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state++;
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sendPort.send(state);
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break;
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case 2:
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Expect.equals(new RangeError.value(37).toString(), "$error");
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state++;
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sendPort.send(state);
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reply.close();
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subscription.cancel();
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asyncEnd();
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break;
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default:
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throw "Bad state for error: $state: $error";
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}
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});
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isolate.resume(isolate.pauseCapability);
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});
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}
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