Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame^] | 1 | // Copyright 2016 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 | |
| 7 | // Test that debug-evaluate doesn't crash when this is used before super() call |
| 8 | // in constructor. |
| 9 | |
| 10 | Debug = debug.Debug |
| 11 | |
| 12 | var result; |
| 13 | |
| 14 | function listener(event, exec_state, event_data, data) |
| 15 | { |
| 16 | try { |
| 17 | if (event == Debug.DebugEvent.Break) { |
| 18 | result = exec_state.frame(0).evaluate("this.a").value(); |
| 19 | } |
| 20 | } catch (e) { |
| 21 | result = e.message; |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | Debug.setListener(listener); |
| 26 | |
| 27 | class A { constructor () { this.a = 239; } } |
| 28 | class B extends A { |
| 29 | constructor () { |
| 30 | debugger; |
| 31 | assertEquals("Cannot read property 'a' of undefined", result); |
| 32 | super(); |
| 33 | debugger; |
| 34 | assertEquals(239, result); |
| 35 | } |
| 36 | } |
| 37 | new B(); |
| 38 | |
| 39 | Debug.setListener(null); |