Jens Johansen
73a059d406
Also add functionality for the tool to do offsets. Finally run in on the pkg/vm_service/test/ folder. Change-Id: Ifa4ca60ed0707e6211baf4b9df140802d5cecf6f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/404881 Commit-Queue: Jens Johansen <jensj@google.com> Reviewed-by: Slava Egorov <vegorov@google.com>
107 lines
2.6 KiB
Dart
107 lines
2.6 KiB
Dart
// Copyright (c) 2023, 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 'dart:developer';
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import 'package:test/test.dart';
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import 'package:vm_service/vm_service.dart';
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import 'common/service_test_common.dart';
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import 'common/test_helper.dart';
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// AUTOGENERATED START
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//
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// Update these constants by running:
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//
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// dart pkg/vm_service/test/update_line_numbers.dart pkg/vm_service/test/rewind_optimized_out_test.dart
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//
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const LINE_0 = 39;
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const LINE_A = 41;
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const LINE_B = 46;
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const LINE_C = 49;
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const LINE_D = 53;
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// AUTOGENERATED END
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int global = 0;
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@pragma('vm:never-inline')
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int b3(int x) {
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int sum = 0;
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try {
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for (int i = 0; i < x; i++) {
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sum += x;
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}
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} catch (e) {
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print('caught $e');
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}
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if (global >= 100) {
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debugger(); // LINE_0.
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}
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global = global + 1; // LINE_A.
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return sum;
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}
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@pragma('vm:prefer-inline')
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int b2(x) => b3(x); // LINE_B.
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@pragma('vm:prefer-inline')
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int b1(x) => b2(x); // LINE_C.
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void test() {
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while (true) {
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b1(10000); // LINE_D.
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}
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}
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final tests = <IsolateTest>[
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hasStoppedAtBreakpoint,
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stoppedAtLine(LINE_0),
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stepOver,
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hasStoppedAtBreakpoint,
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stoppedAtLine(LINE_A),
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(VmService service, IsolateRef isolateRef) async {
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final isolateId = isolateRef.id!;
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final isolate = await service.getIsolate(isolateId);
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// We are at our breakpoint with global=100.
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final result = await service.evaluate(
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isolateId,
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isolate.rootLib!.id!,
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'global',
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) as InstanceRef;
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expect(result.valueAsString, '100');
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// Rewind the top stack frame.
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bool caughtException = false;
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try {
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await service.resume(isolateId, step: StepOption.kRewind);
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fail('Unreachable');
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} on RPCError catch (e) {
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caughtException = true;
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expect(e.code, RPCErrorKind.kIsolateCannotBeResumed.code);
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expect(
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e.details,
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startsWith('Cannot rewind to frame 1 due to conflicting compiler '
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'optimizations. Run the vm with --no-prune-dead-locals '
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'to disallow these optimizations. Next valid rewind '
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'frame is '),
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);
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}
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expect(caughtException, true);
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},
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];
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void main([args = const <String>[]]) => runIsolateTests(
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args,
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tests,
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'rewind_optimized_out_test.dart',
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testeeConcurrent: test,
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extraArgs: [
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'--trace-rewind',
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'--prune-dead-locals',
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'--no-background-compilation',
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'--optimization-counter-threshold=10',
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],
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);
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