| // Copyright 2014 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. |
| |
| |
| Debug = debug.Debug |
| var exception = null; |
| |
| function listener(event, exec_state, event_data, data) { |
| try { |
| if (event == Debug.DebugEvent.Break) { |
| exec_state.prepareStep(Debug.StepAction.StepIn); |
| } |
| } catch (e) { |
| exception = e; |
| } |
| } |
| |
| Debug.setListener(listener); |
| |
| function f(x) { |
| if (x > 0) %_Call(f, null, x-1); |
| } |
| |
| debugger; |
| f(2); |
| |
| Debug.setListener(null); |
| assertNull(exception); |