| // 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. |
| |
| |
| "use strict"; |
| |
| var Debug = debug.Debug; |
| var exception = null; |
| var super_called = false; |
| var step_count = 0; |
| |
| function listener(event, execState, eventData, data) { |
| if (event != Debug.DebugEvent.Break) return; |
| try { |
| execState.prepareStep(Debug.StepAction.StepIn); |
| var s = execState.frame().sourceLineText(); |
| step_count++; |
| assertTrue(s.indexOf('// ' + step_count + '.') >= 0); |
| } catch (e) { |
| exception = e; |
| } |
| } |
| |
| class Base { |
| constructor() { |
| var x = 1; // 2. |
| } // 3. |
| } |
| |
| class Derived extends Base {} // 1. // 4. |
| |
| Debug.setListener(listener); |
| var bp = Debug.setBreakPoint(Derived, 0); |
| |
| new Derived(); |
| |
| Debug.setListener(null); // 5. |
| |
| assertNull(exception); |
| assertEquals(5, step_count); |