1// Copyright 2009 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --expose-debug-as debug 29// Get the Debug object exposed from the debug context global object. 30Debug = debug.Debug 31 32var exception = null; 33var break_break_point_hit_count = 0; 34 35function listener(event, exec_state, event_data, data) { 36 try { 37 if (event == Debug.DebugEvent.Break) { 38 if (break_break_point_hit_count == 0) { 39 assertEquals(' debugger;', 40 event_data.sourceLineText()); 41 assertEquals('runDoWhile', event_data.func().name()); 42 } else if (break_break_point_hit_count == 1) { 43 assertEquals(' } while(condition());', 44 event_data.sourceLineText()); 45 assertEquals('runDoWhile', event_data.func().name()); 46 } 47 48 break_break_point_hit_count++; 49 // Continue stepping until returned to bottom frame. 50 if (exec_state.frameCount() > 1) { 51 exec_state.prepareStep(Debug.StepAction.StepNext); 52 } 53 54 } 55 } catch(e) { 56 exception = e; 57 } 58}; 59 60// Add the debug event listener. 61Debug.setListener(listener); 62 63function condition() { 64 return false; 65} 66 67function runDoWhile() { 68 do { 69 debugger; 70 } while(condition()); 71}; 72 73break_break_point_hit_count = 0; 74runDoWhile(); 75assertNull(exception); 76assertEquals(4, break_break_point_hit_count); 77 78// Get rid of the debug event listener. 79Debug.setListener(null); 80