1// Copyright 2015 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"use strict"; 8 9var Debug = debug.Debug; 10var exception = null; 11var super_called = false; 12var step_count = 0; 13 14function listener(event, execState, eventData, data) { 15 if (event != Debug.DebugEvent.Break) return; 16 try { 17 execState.prepareStep(Debug.StepAction.StepIn); 18 var s = execState.frame().sourceLineText(); 19 step_count++; 20 assertTrue(s.indexOf('// ' + step_count + '.') >= 0); 21 } catch (e) { 22 exception = e; 23 } 24} 25 26class Base { 27 constructor() { 28 var x = 1; // 2. 29 } // 3. 30} 31 32class Derived extends Base {} // 1. // 4. 33 34Debug.setListener(listener); 35var bp = Debug.setBreakPoint(Derived, 0); 36 37new Derived(); 38 39Debug.setListener(null); // 5. 40 41assertNull(exception); 42assertEquals(5, step_count); 43