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1// Copyright 2014 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Flags: --expose-debug-as debug
6
7Debug = debug.Debug;
8var exception = null;
9var error_count = 0;
10
11function f() {
12  return 0;  // Break
13}            // Break
14
15function listener(event, exec_state, event_data, data) {
16  if (event != Debug.DebugEvent.Break) return;
17  try {
18    if (exec_state.frame(0).sourceLineText().indexOf("Break") <0) {
19      error_count++;
20    }
21    exec_state.prepareStep(Debug.StepAction.StepIn);
22    f();  // We should not break in this call of f().
23  } catch (e) {
24    print(e + e.stack);
25    exception = e;
26  }
27}
28
29Debug.setListener(listener);
30
31debugger;  // Break
32f();       // Break
33
34Debug.setListener(null);  // Break
35
36assertNull(exception);
37assertEquals(0, error_count);
38