// 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=--error_on_bad_type --error_on_bad_override  --verbose_debug

import 'dart:developer';
import 'package:observatory/service_io.dart';
import 'package:unittest/unittest.dart';
import 'service_test_common.dart';
import 'test_helper.dart';

const LINE_C = 18;
const LINE_A = 23;
const LINE_B = 29;

foobar() {
  debugger();
  print('foobar');  // LINE_C.
}

helper() async {
  debugger();
  print('helper');  // LINE_A.
  foobar();
}

testMain() {
  debugger();
  helper();  // LINE_B.
}

var tests = [
  hasStoppedAtBreakpoint,
  stoppedAtLine(LINE_B),
  (Isolate isolate) async {
    ServiceMap stack = await isolate.getStack();
    // No causal frames because we are in a completely synchronous stack.
    expect(stack['asyncCausalFrames'], isNull);
  },
  resumeIsolate,
  hasStoppedAtBreakpoint,
  stoppedAtLine(LINE_A),

  (Isolate isolate) async {
    ServiceMap stack = await isolate.getStack();
    // Has causal frames (we are inside an async function)
    expect(stack['asyncCausalFrames'], isNotNull);
  },

  resumeIsolate,
  hasStoppedAtBreakpoint,
  stoppedAtLine(LINE_C),

  (Isolate isolate) async {
    ServiceMap stack = await isolate.getStack();
    // Has causal frames (we are inside a function called by an async function)
    expect(stack['asyncCausalFrames'], isNotNull);
  },
];

main(args) => runIsolateTestsSynchronous(args,
                                         tests,
                                         testeeConcurrent: testMain);