|  | // 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. | 
|  |  | 
|  |  | 
|  | var exception = null; | 
|  |  | 
|  | function listener(event, exec_state, event_data, data) { | 
|  | if (event != debug.Debug.DebugEvent.Break) return; | 
|  | try { | 
|  | var all_scopes = exec_state.frame().allScopes(); | 
|  | assertEquals([ debug.ScopeType.Block, | 
|  | debug.ScopeType.Local, | 
|  | debug.ScopeType.Script, | 
|  | debug.ScopeType.Global ], | 
|  | all_scopes.map(scope => scope.scopeType())); | 
|  | } catch (e) { | 
|  | exception = e; | 
|  | print(e); | 
|  | } | 
|  | } | 
|  |  | 
|  | debug.Debug.setListener(listener); | 
|  |  | 
|  | (function(arg, ...rest) { | 
|  | var one = 1; | 
|  | function inner() { | 
|  | one; | 
|  | arg; | 
|  | } | 
|  | debugger; | 
|  | })(); | 
|  |  | 
|  | debug.Debug.setListener(null); | 
|  | assertNull(exception); |