// Copyright 2015 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-syntaxvarDebug=debug.Debug;varexpected=["debugger;","","debugger;"];functionlistener(event,exec_state,event_data,data){if(event!=Debug.DebugEvent.Break)return;try{assertEquals(expected.shift(),exec_state.frame(0).sourceLineText());