blob: 48bf16e0748038a9d6e98156e33992b1afbb9536 [file] [log] [blame]
// Copyright (c) 2017, 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=--lazy-async-stacks --verbose_debug
import 'dart:developer';
import 'package:test/test.dart';
import 'package:vm_service/vm_service.dart';
import 'common/service_test_common.dart';
import 'common/test_helper.dart';
const LINE_C = 19;
const LINE_A = 25;
const LINE_B = 31;
foobar() {
debugger();
print('foobar'); // LINE_C.
}
helper() async {
await 0; // Yield. The rest will run async.
debugger();
print('helper'); // LINE_A.
foobar();
}
testMain() {
debugger();
helper(); // LINE_B.
}
var tests = <IsolateTest>[
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_B),
(VmService service, IsolateRef isolateRef) async {
Stack stack = await service.getStack(isolateRef.id!);
// No causal frames because we are in a completely synchronous stack.
// Async function hasn't yielded yet.
expect(stack.asyncCausalFrames, isNull);
},
resumeIsolate,
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_A),
(VmService service, IsolateRef isolateRef) async {
Stack stack = await service.getStack(isolateRef.id!);
// Async function has yielded once, so it's now running async.
expect(stack.asyncCausalFrames, isNotNull);
},
resumeIsolate,
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_C),
(VmService service, IsolateRef isolateRef) async {
Stack stack = await service.getStack(isolateRef.id!);
// Has causal frames (we are inside a function called by an async function)
expect(stack.asyncCausalFrames, isNotNull);
},
];
main(args) => runIsolateTestsSynchronous(
args,
tests,
'causal_async_stack_presence_test.dart',
testeeConcurrent: testMain,
extraArgs: extraDebuggingArgs,
);