1// Copyright 2008 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 32// Simple debug event handler which just counts the number of break points hit. 33var break_point_hit_count; 34 35function listener(event, exec_state, event_data, data) { 36 if (event == Debug.DebugEvent.Break) { 37 break_point_hit_count++; 38 } 39}; 40 41// Add the debug event listener. 42Debug.setListener(listener); 43 44// Test function. 45function f() {a=1;b=2;}; 46 47// This tests enabeling and disabling of break points including the case 48// with several break points in the same location. 49break_point_hit_count = 0; 50 51// Set a breakpoint in f. 52bp1 = Debug.setBreakPoint(f); 53f(); 54assertEquals(1, break_point_hit_count); 55 56// Disable the breakpoint. 57Debug.disableBreakPoint(bp1); 58f(); 59assertEquals(1, break_point_hit_count); 60 61// Enable the breakpoint. 62Debug.enableBreakPoint(bp1); 63f(); 64assertEquals(2, break_point_hit_count); 65 66// Set another breakpoint in f at the same place. 67bp2 = Debug.setBreakPoint(f); 68f(); 69assertEquals(3, break_point_hit_count); 70 71// Disable the second breakpoint. 72Debug.disableBreakPoint(bp2); 73f(); 74assertEquals(4, break_point_hit_count); 75 76// Disable the first breakpoint. 77Debug.disableBreakPoint(bp1); 78f(); 79assertEquals(4, break_point_hit_count); 80 81// Enable both breakpoints. 82Debug.enableBreakPoint(bp1); 83Debug.enableBreakPoint(bp2); 84f(); 85assertEquals(5, break_point_hit_count); 86 87// Disable the first breakpoint. 88Debug.disableBreakPoint(bp1); 89f(); 90assertEquals(6, break_point_hit_count); 91