// 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.functionf(){debugger;debugger;}constDebug=newDebugWrapper();Debug.enable();letbreakEventCount=0;Debug.setListener(function(event,exec_state,event_data,data){if(event!=Debug.DebugEvent.Break)return;breakEventCount++;});assertEquals(0,breakEventCount);f();f();f();assertEquals(6,breakEventCount);