Ryan Macnak
37ed87b038
Port the service tests and Observatory to Dart 3. Change-Id: I8a8b20d8f90acd3b5f741c93f10ba99971aa0c52 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/154825 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com>
106 lines
2.9 KiB
Dart
106 lines
2.9 KiB
Dart
// Copyright (c) 2015, 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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import 'package:observatory/service_io.dart';
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import 'package:test/test.dart';
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import 'test_helper.dart';
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import 'dart:async';
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doThrow() {
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throw "TheException"; // Line 13.
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}
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doCaught() {
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try {
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doThrow();
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} catch (e) {}
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return "end of doCaught";
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}
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doUncaught() {
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doThrow();
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return "end of doUncaught";
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}
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var tests = <IsolateTest>[
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(Isolate isolate) async {
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Library lib = await isolate.rootLibrary.reload() as Library;
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var onPaused = null;
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var onResume = null;
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var stream = await isolate.vm.getEventStream(VM.kDebugStream);
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var subscription;
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subscription = stream.listen((ServiceEvent event) {
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print("Event $event");
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if (event.kind == ServiceEvent.kPauseException) {
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if (onPaused == null) throw "Unexpected pause event $event";
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var t = onPaused;
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onPaused = null;
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t.complete(event);
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}
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if (event.kind == ServiceEvent.kResume) {
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if (onResume == null) throw "Unexpected resume event $event";
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var t = onResume;
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onResume = null;
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t.complete(event);
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}
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});
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test(String pauseMode, String expression, bool shouldPause,
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bool shouldBeCaught) async {
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print("Evaluating $expression with pause on $pauseMode exception");
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expect((await isolate.setExceptionPauseMode(pauseMode)) is DartError,
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isFalse);
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var t;
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if (shouldPause) {
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t = new Completer();
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onPaused = t;
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}
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var fres = lib.evaluate(expression);
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if (shouldPause) {
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await t.future;
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var stack = await isolate.getStack();
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expect(stack['frames'][0].function.name, equals('doThrow'));
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// Ugh, no .line. expect(stack['frames'][0].location.line, equals(17));
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t = new Completer();
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onResume = t;
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isolate.resume();
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await t.future;
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}
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dynamic res = await fres;
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print(res);
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if (shouldBeCaught) {
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expect(res.isInstance, isTrue);
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expect(res.isString, isTrue);
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expect(res.valueAsString, equals("end of doCaught"));
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} else {
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expect(res.isError, isTrue);
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await res.load(); // Weird?
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expect(res.exception.isInstance, isTrue);
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expect(res.exception.isString, isTrue);
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expect(res.exception.valueAsString, equals("TheException"));
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}
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}
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await test("All", "doCaught()", true, true);
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await test("All", "doUncaught()", true, false);
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await test("Unhandled", "doCaught()", false, true);
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await test("Unhandled", "doUncaught()", true, false);
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await test("None", "doCaught()", false, true);
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await test("None", "doUncaught()", false, false);
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subscription.cancel();
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},
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];
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main(args) => runIsolateTests(args, tests);
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