pkg/vm_service/test/awaiter_async_stack_contents_2_test.dart

// 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.
//
// VMOptions=--async-debugger --verbose-debug

import 'package:test/test.dart';
import 'package:vm_service/vm_service.dart';

import 'awaiter_async_stack_contents_2_lib.dart' as testee_lib;
import 'common/service_test_common.dart';
import 'common/test_helper.dart';

void main([args = const <String>[]]) =>
    IsolateTestHarness('awaiter_async_stack_contents_2_lib.dart', args)
        .hasStoppedAtBreakpoint()
        .stoppedAtLine('LINE_0')
        .stepOver()
        .hasStoppedAtBreakpoint()
        .stoppedAtLine('LINE_A')
        .addCustomTest((VmService service, IsolateRef isolate) async {
      final isolateId = isolate.id!;
      // Verify awaiter stack trace is the current frame + the awaiter.
      final Stack stack = await service.getStack(isolateId);
      expect(stack.asyncCausalFrames, isNotNull);
      final List<Frame> asyncCausalFrames = stack.asyncCausalFrames!;
      expect(asyncCausalFrames.length, greaterThanOrEqualTo(4));
      expect(asyncCausalFrames[0].function!.name, 'foobar');
      expect(asyncCausalFrames[1].kind, FrameKind.kAsyncSuspensionMarker);
      expect(asyncCausalFrames[2].function!.name, 'helper');
      expect(asyncCausalFrames[3].kind, FrameKind.kAsyncSuspensionMarker);
    }).run(testeeMain: testee_lib.main, extraArgs: extraDebuggingArgs);