blob: 8acf40d5e746ab928b013219212df9e4fde65045 [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:observatory_2/service_io.dart';
import 'package:test/test.dart';
import 'service_test_common.dart';
import 'test_helper.dart';
const LINE_A = 26;
const LINE_B = 19;
const LINE_C = 21;
foobar() async* {
debugger();
yield 1; // LINE_B.
debugger();
yield 2; // LINE_C.
}
helper() async {
debugger();
print('helper'); // LINE_A.
await for (var i in foobar()) {
print('helper $i');
}
}
testMain() {
helper();
}
var tests = <IsolateTest>[
hasStoppedAtBreakpoint,
stoppedAtLine(LINE_A),
(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_B),
(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, extraArgs: extraDebuggingArgs);