// Copyright 2016 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Flags: --expose-debug-as debug --allow-natives-syntax --harmony-async-await var Debug = debug.Debug; var step_count = 0; function listener(event, execState, eventData, data) { if (event != Debug.DebugEvent.Break) return; try { var line = execState.frame(0).sourceLineText(); print(line); var [match, expected_count, step] = /\/\/ B(\d) (\w+)$/.exec(line); assertEquals(step_count++, parseInt(expected_count)); if (step != "Continue") execState.prepareStep(Debug.StepAction[step]); } catch (e) { print(e, e.stack); quit(1); } } Debug.setListener(listener); var late_resolve; function g() { return new Promise( // B4 StepOut function(res, rej) { late_resolve = res; } ); } async function f1() { var a = 1; debugger; // B0 StepNext a += // B1 StepNext await // B6 StepNext f2(); // B2 StepIn return a; // B7 StepNext } // B8 Continue async function f2() { var b = await // B5 StepOut g(); // B3 StepIn return b; } f1(); late_resolve(3); %RunMicrotasks(); assertEquals(9, step_count);